diff options
Diffstat (limited to 'sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core')
266 files changed, 28028 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/AbstractLocalTargetInvoker.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/AbstractLocalTargetInvoker.java new file mode 100644 index 0000000000..7727759a88 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/AbstractLocalTargetInvoker.java @@ -0,0 +1,77 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.binding.local; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.InvocationRuntimeException; +import org.apache.tuscany.spi.wire.Message; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.TargetInvoker; + +/** + * Base class for dispatching to a composite reference using the local binding + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractLocalTargetInvoker implements TargetInvoker { + protected boolean cacheable; + + public boolean isCacheable() { + return cacheable; + } + + public void setCacheable(boolean cacheable) { + this.cacheable = cacheable; + } + + public boolean isOptimizable() { + return isCacheable(); // we only need to check if the scopes are correct + } + + public Object invokeTarget(final Object payload, short sequence) throws InvocationTargetException { + throw new InvocationTargetException(new UnsupportedOperationException()); + } + + protected Message invoke(OutboundInvocationChain chain, TargetInvoker invoker, Message msg) throws Throwable { + Interceptor headInterceptor = chain.getHeadInterceptor(); + if (headInterceptor == null) { + try { + // short-circuit the dispatch and invoke the target directly + if (invoker == null) { + String name = chain.getOperation().getName(); + throw new AssertionError("No target invoker [" + name + "]"); + } + return invoker.invoke(msg); + } catch (InvocationRuntimeException e) { + // the cause was thrown by the target so throw it + throw e.getCause(); + } + } else { + msg.setTargetInvoker(invoker); + return headInterceptor.invoke(msg); + } + } + + @Override + public AbstractLocalTargetInvoker clone() throws CloneNotSupportedException { + return (AbstractLocalTargetInvoker) super.clone(); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalBindingBuilder.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalBindingBuilder.java new file mode 100644 index 0000000000..1841af679e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalBindingBuilder.java @@ -0,0 +1,56 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.binding.local; + +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.ReferenceBinding; +import org.apache.tuscany.spi.component.ServiceBinding; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.BindingBuilderExtension; +import org.apache.tuscany.spi.model.BoundReferenceDefinition; +import org.apache.tuscany.spi.model.BoundServiceDefinition; + +/** + * Creates runtime artifacts for the local binding + * + * @version $Rev$ $Date$ + */ +public class LocalBindingBuilder extends BindingBuilderExtension<LocalBindingDefinition> { + + protected Class<LocalBindingDefinition> getBindingType() { + return LocalBindingDefinition.class; + } + + public ServiceBinding build(CompositeComponent parent, + BoundServiceDefinition boundServiceDefinition, + LocalBindingDefinition bindingDefinition, + DeploymentContext deploymentContext) + throws BuilderException { + return new LocalServiceBinding(boundServiceDefinition.getName(), parent); + } + + + public ReferenceBinding build(CompositeComponent parent, + BoundReferenceDefinition boundReferenceDefinition, + LocalBindingDefinition bindingDefinition, + DeploymentContext deploymentContext) throws BuilderException { + return new LocalReferenceBinding(boundReferenceDefinition.getName(), parent); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalBindingDefinition.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalBindingDefinition.java new file mode 100644 index 0000000000..9317a47457 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalBindingDefinition.java @@ -0,0 +1,39 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.binding.local; + +import java.net.URI; + +import org.apache.tuscany.spi.model.BindingDefinition; + + +/** + * Represents the local by-reference binding + * + * @version $Rev$ $Date$ + */ +public class LocalBindingDefinition extends BindingDefinition { + + public LocalBindingDefinition() { + } + + public LocalBindingDefinition(URI targetUri) { + super(targetUri); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalBindingLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalBindingLoader.java new file mode 100644 index 0000000000..777beeb00e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalBindingLoader.java @@ -0,0 +1,70 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.binding.local; + +import java.net.URI; +import java.net.URISyntaxException; +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.wire.Wire; + +/** + * Loader responsible for handling the local binding + * + * @version $Rev$ $Date$ + */ +public class LocalBindingLoader extends LoaderExtension<LocalBindingDefinition> { + + /** + * Constructor specifies the registry to register with. + * + * @param registry the LoaderRegistry this loader should register with + */ + public LocalBindingLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return Wire.LOCAL_BINDING; + } + + public LocalBindingDefinition load(CompositeComponent parent, + ModelObject object, + XMLStreamReader reader, + DeploymentContext deploymentContext) throws XMLStreamException, LoaderException { + String uri = reader.getAttributeValue(null, "uri"); + if (uri != null) { + try { + return new LocalBindingDefinition(new URI(uri)); + } catch (URISyntaxException e) { + throw new LoaderException(e); + } + } + return new LocalBindingDefinition(); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalCallbackTargetInvoker.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalCallbackTargetInvoker.java new file mode 100644 index 0000000000..03f42ca99c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalCallbackTargetInvoker.java @@ -0,0 +1,74 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.binding.local; + +import java.util.Map; + +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.InvocationRuntimeException; +import org.apache.tuscany.spi.wire.Message; +import org.apache.tuscany.spi.wire.MessageImpl; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.TargetInvoker; + +/** + * Dispatches a callback invocation to the callback instance + * + * @version $Rev$ $Date$ + */ +public class LocalCallbackTargetInvoker extends AbstractLocalTargetInvoker { + private Operation operation; + private InboundWire inboundWire; + + public LocalCallbackTargetInvoker(Operation operation, InboundWire inboundWire) { + assert operation != null : "Operation method cannot be null"; + this.operation = operation; + this.inboundWire = inboundWire; + } + + public Message invoke(Message msg) throws InvocationRuntimeException { + try { + return invoke(operation, msg); + } catch (Throwable e) { + Message faultMsg = new MessageImpl(); + faultMsg.setBodyWithFault(e); + return faultMsg; + } + } + + private Message invoke(Operation operation, Message msg) throws Throwable { + Object targetAddress = msg.popFromAddress(); + if (targetAddress == null) { + throw new AssertionError("Popped a null from address from message"); + } + //TODO optimize as this is slow in local invocations + Map<Operation<?>, OutboundInvocationChain> sourceCallbackInvocationChains = + inboundWire.getSourceCallbackInvocationChains(targetAddress); + OutboundInvocationChain chain = sourceCallbackInvocationChains.get(operation); + TargetInvoker invoker = chain.getTargetInvoker(); + return invoke(chain, invoker, msg); + } + + @Override + public LocalCallbackTargetInvoker clone() throws CloneNotSupportedException { + return (LocalCallbackTargetInvoker) super.clone(); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalReferenceBinding.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalReferenceBinding.java new file mode 100644 index 0000000000..9117fe903e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalReferenceBinding.java @@ -0,0 +1,61 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.binding.local; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.spi.CoreRuntimeException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.TargetInvokerCreationException; +import org.apache.tuscany.spi.extension.ReferenceBindingExtension; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.Wire; + +/** + * The runtime representaion of the local reference binding + * + * @version $Rev$ $Date$ + */ +public class LocalReferenceBinding extends ReferenceBindingExtension { + + public LocalReferenceBinding(String name, CompositeComponent parent) throws CoreRuntimeException { + super(name, parent); + } + + public QName getBindingType() { + return Wire.LOCAL_BINDING; + } + + public TargetInvoker createTargetInvoker(ServiceContract contract, Operation operation) + throws TargetInvokerCreationException { + if (operation.isCallback()) { + return new LocalCallbackTargetInvoker(operation, inboundWire); + } else { + return new LocalTargetInvoker(operation, outboundWire); + } + } + + public TargetInvoker createCallbackTargetInvoker(ServiceContract contract, Operation operation) + throws TargetInvokerCreationException { + return new LocalCallbackTargetInvoker(operation, inboundWire); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalServiceBinding.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalServiceBinding.java new file mode 100644 index 0000000000..6205172d7b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalServiceBinding.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.binding.local; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.spi.CoreRuntimeException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.TargetInvokerCreationException; +import org.apache.tuscany.spi.extension.ServiceBindingExtension; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.Wire; + +/** + * The runtime representaion of the local service binding + * + * @version $Rev$ $Date$ + */ +public class LocalServiceBinding extends ServiceBindingExtension { + + public LocalServiceBinding(String name, CompositeComponent parent) throws CoreRuntimeException { + super(name, parent); + } + + public QName getBindingType() { + return Wire.LOCAL_BINDING; + } + + public TargetInvoker createTargetInvoker(ServiceContract contract, Operation operation) + throws TargetInvokerCreationException { + if (operation.isCallback()) { + return new LocalCallbackTargetInvoker(operation, getInboundWire()); + } else { + return new LocalTargetInvoker(operation, outboundWire); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalTargetInvoker.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalTargetInvoker.java new file mode 100644 index 0000000000..5b564c93b8 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/binding/local/LocalTargetInvoker.java @@ -0,0 +1,73 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.binding.local; + +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.InvocationRuntimeException; +import org.apache.tuscany.spi.wire.Message; +import org.apache.tuscany.spi.wire.MessageImpl; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; + +/** + * Dispatches an invocation through a composite service or reference using the local binding + * + * @version $Rev$ $Date$ + */ +public class LocalTargetInvoker extends AbstractLocalTargetInvoker { + private OutboundInvocationChain chain; + private Object fromAddress; + private boolean contractHasCallback; + + public LocalTargetInvoker(Operation operation, OutboundWire outboundWire) { + assert operation != null; + chain = outboundWire.getInvocationChains().get(operation); + assert chain != null; + fromAddress = (outboundWire.getContainer() == null) ? null : outboundWire.getContainer().getName(); + contractHasCallback = outboundWire.getServiceContract().getCallbackClass() != null; + } + + @Override + public LocalTargetInvoker clone() throws CloneNotSupportedException { + return (LocalTargetInvoker) super.clone(); + } + + public Message invoke(Message msg) throws InvocationRuntimeException { + try { + TargetInvoker invoker = chain.getTargetInvoker(); + assert invoker != null; + // Pushing the from address only needs to happen in the outbound (forward) direction for callbacks + if (contractHasCallback) { + msg.pushFromAddress(fromAddress); + } + + return invoke(chain, invoker, msg); + } catch (Throwable e) { + Message faultMsg = new MessageImpl(); + faultMsg.setBodyWithFault(e); + return faultMsg; + } + } + + + public boolean isOptimizable() { + return true; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/Bootstrapper.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/Bootstrapper.java new file mode 100644 index 0000000000..0f6b4a2c92 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/Bootstrapper.java @@ -0,0 +1,88 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.bootstrap; + +import org.apache.tuscany.host.MonitorFactory; +import org.apache.tuscany.spi.bootstrap.RuntimeComponent; +import org.apache.tuscany.spi.builder.Connector; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.deployer.Deployer; +import org.apache.tuscany.spi.implementation.java.Introspector; +import org.apache.tuscany.spi.loader.Loader; +import org.apache.tuscany.spi.loader.PropertyObjectFactory; + +/** + * Interface that abstracts the process used to create a running Tuscany system. Implementation of this may provide + * different mechanisms for creating the primoridal system components used to boot the core to the level where it can + * support end-user applications. + * + * @version $Rev$ $Date$ + */ +public interface Bootstrapper { + /** + * Return the MonitorFactory being used by the implementation to provide monitor interfaces for the primordial + * components. + * + * @return the MonitorFactory being used by the bootstrapper + */ + MonitorFactory getMonitorFactory(); + + /** + * Create the RuntimeComponent that forms the fundamental root of the component assembly. This component has two + * children: a {@link org.apache.tuscany.spi.component.CompositeComponent} that is the root for all system + * components, and a {@link org.apache.tuscany.spi.component.CompositeComponent} that is the root for all + * application components. + * + * @return a new RuntimeComponent; basically a new Tuscany instance + */ + RuntimeComponent createRuntime(); + + /** + * Create a Deployer that can be used to deploy the system definition. This will most likely only support a small + * subset of the available programming model. + * + * @return a new primordial Deployer + */ + Deployer createDeployer(); + + /** + * Create a Loader for parsing a system definition represented as a XML SCDL file. + * + * @param propertyFactory the StAXPropertyFactory to be used to parse property values + * @param introspector the introspector to be used to extract component type information from a Java class + * @return a new prmordial Loader + */ + Loader createLoader(PropertyObjectFactory propertyFactory, Introspector introspector); + + /** + * Create a ScopeRegistry that supports the Scopes supported for primordial components + * + * @param workContext the WorkContext the Scopes should use + * @return a new primordial ScopeRegistry + */ + ScopeRegistry createScopeRegistry(WorkContext workContext); + + /** + * Create a Connector that can wire together primordial components. + * + * @return a new primordial Connector + */ + Connector createConnector(); +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultBootstrapper.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultBootstrapper.java new file mode 100644 index 0000000000..762568eb01 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultBootstrapper.java @@ -0,0 +1,262 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.bootstrap; + +import javax.xml.stream.XMLInputFactory; + +import org.apache.tuscany.spi.bootstrap.ComponentNames; +import org.apache.tuscany.spi.bootstrap.RuntimeComponent; +import org.apache.tuscany.spi.builder.Builder; +import org.apache.tuscany.spi.builder.Connector; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.deployer.Deployer; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessorRegistry; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorService; +import org.apache.tuscany.spi.implementation.java.Introspector; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.PropertyObjectFactory; +import org.apache.tuscany.spi.services.management.TuscanyManagementService; + +import org.apache.tuscany.core.binding.local.LocalBindingBuilder; +import org.apache.tuscany.core.binding.local.LocalBindingDefinition; +import org.apache.tuscany.core.binding.local.LocalBindingLoader; +import org.apache.tuscany.core.builder.BuilderRegistryImpl; +import org.apache.tuscany.core.builder.ConnectorImpl; +import org.apache.tuscany.core.component.WorkContextImpl; +import org.apache.tuscany.core.component.scope.CompositeScopeObjectFactory; +import org.apache.tuscany.core.component.scope.ScopeRegistryImpl; +import org.apache.tuscany.core.deployer.DeployerImpl; +import org.apache.tuscany.core.idl.java.InterfaceJavaLoader; +import org.apache.tuscany.core.idl.java.JavaInterfaceProcessorRegistryImpl; +import org.apache.tuscany.core.implementation.IntrospectionRegistryImpl; +import org.apache.tuscany.core.implementation.composite.CompositeComponentImpl; +import org.apache.tuscany.core.implementation.composite.CompositeLoader; +import org.apache.tuscany.core.implementation.processor.ConstructorProcessor; +import org.apache.tuscany.core.implementation.processor.DestroyProcessor; +import org.apache.tuscany.core.implementation.processor.EagerInitProcessor; +import org.apache.tuscany.core.implementation.processor.HeuristicPojoProcessor; +import org.apache.tuscany.core.implementation.processor.ImplementationProcessorServiceImpl; +import org.apache.tuscany.core.implementation.processor.InitProcessor; +import org.apache.tuscany.core.implementation.processor.MonitorProcessor; +import org.apache.tuscany.core.implementation.processor.PropertyProcessor; +import org.apache.tuscany.core.implementation.processor.ReferenceProcessor; +import org.apache.tuscany.core.implementation.processor.ResourceProcessor; +import org.apache.tuscany.core.implementation.processor.ScopeProcessor; +import org.apache.tuscany.core.implementation.processor.ServiceProcessor; +import org.apache.tuscany.core.implementation.system.builder.SystemComponentBuilder; +import org.apache.tuscany.core.implementation.composite.SystemCompositeBuilder; +import org.apache.tuscany.core.implementation.system.loader.SystemComponentTypeLoader; +import org.apache.tuscany.core.implementation.system.loader.SystemCompositeComponentTypeLoader; +import org.apache.tuscany.core.implementation.system.loader.SystemImplementationLoader; +import org.apache.tuscany.core.implementation.system.model.SystemCompositeImplementation; +import org.apache.tuscany.core.implementation.system.model.SystemImplementation; +import org.apache.tuscany.core.loader.ComponentLoader; +import org.apache.tuscany.core.loader.ComponentTypeElementLoader; +import org.apache.tuscany.core.loader.IncludeLoader; +import org.apache.tuscany.core.loader.LoaderRegistryImpl; +import org.apache.tuscany.core.loader.PropertyLoader; +import org.apache.tuscany.core.loader.ReferenceLoader; +import org.apache.tuscany.core.loader.ServiceLoader; +import org.apache.tuscany.core.property.PropertyObjectFactoryImpl; +import org.apache.tuscany.core.wire.jdk.JDKWireService; +import org.apache.tuscany.host.MonitorFactory; + +/** + * A default implementation of a Bootstrapper. Please see the documentation on the individual methods for how the + * primordial components are created. + * + * @version $Rev$ $Date$ + */ +public class DefaultBootstrapper implements Bootstrapper { + private final MonitorFactory monitorFactory; + private final XMLInputFactory xmlFactory; + private final TuscanyManagementService managementService; + + /** + * Create a default bootstrapper. + * + * @param monitorFactory the MonitorFactory to be used to create monitors for the primordial components + * @param xmlFactory the XMLInputFactory to be used by the components to load XML artifacts + * @param managementService management service used by the runtime. + */ + public DefaultBootstrapper(MonitorFactory monitorFactory, + XMLInputFactory xmlFactory, + TuscanyManagementService managementService) { + this.monitorFactory = monitorFactory; + this.xmlFactory = xmlFactory; + this.managementService = managementService; + } + + /** + * Returns the MonitorFactory being used by this bootstrapper. + * + * @return the MonitorFactory being used by this bootstrapper + */ + public MonitorFactory getMonitorFactory() { + return monitorFactory; + } + + /** + * Create the RuntimeComponent that will form the root of the component tree. Returns an new instance of a {@link + * DefaultRuntime} with the system and application root components initialized with default composite components. + * + * @return a newly created root for the component tree + */ + public RuntimeComponent createRuntime() { + DefaultRuntime runtime = new DefaultRuntime(); + CompositeComponent systemComponent = + new CompositeComponentImpl(ComponentNames.TUSCANY_SYSTEM_ROOT, runtime, null, true); + runtime.setSystemComponent(systemComponent); + CompositeComponent rootComponent = + new CompositeComponentImpl(ComponentNames.TUSCANY_APPLICATION_ROOT, runtime, null, null); + runtime.setRootComponent(rootComponent); + return runtime; + } + + /** + * Create primordial deployer that can be used to load the system definition. + * + * @return the primordial deployer + */ + public Deployer createDeployer() { + ScopeRegistry scopeRegistry = createScopeRegistry(new WorkContextImpl()); + Builder builder = createBuilder(scopeRegistry); + JavaInterfaceProcessorRegistry interfaceIntrospector = new JavaInterfaceProcessorRegistryImpl(); + Introspector introspector = createIntrospector(interfaceIntrospector); + LoaderRegistry loader = createLoader(new PropertyObjectFactoryImpl(), introspector); + DeployerImpl deployer = new DeployerImpl(xmlFactory, loader, builder); + deployer.setMonitor(getMonitorFactory().getMonitor(ScopeContainerMonitor.class)); + return deployer; + } + + /** + * Create a basic ScopeRegistry containing the ScopeContainers that are available to components in the system + * definition. The implementation returned only support COMPOSITE scope. + * + * @param workContext the WorkContext the scopes should use + * @return a new ScopeRegistry + */ + public ScopeRegistry createScopeRegistry(WorkContext workContext) { + ScopeRegistry scopeRegistry = new ScopeRegistryImpl(); + new CompositeScopeObjectFactory(scopeRegistry, monitorFactory.getMonitor(ScopeContainerMonitor.class)); + return scopeRegistry; + } + + /** + * Create a Loader that can be used to parse an XML file containing the SCDL for the system definition. The + * following Implementation types are supported: <ul> <li>SystemImplementation</li> + * <li>SystemCompositeImplementation</li> </ul> and the following SCDL elements are supported: <ul> + * <li>composite</li> <li>component</li> <li>componentType</li> <li>interface.java</li> <li>property</li> + * <li>reference</li> <li>service</li> <li>implementation.system</li> </ul> Note the Java component type and the + * WSDL interface type are not supported. + * + * @param propertyFactory the StAXPropertyFactory to be used for parsing Property values + * @param introspector the Introspector to be used to inspect component implementations + * @return a new StAX XML loader + */ + public LoaderRegistry createLoader(PropertyObjectFactory propertyFactory, Introspector introspector) { + LoaderRegistryImpl loaderRegistry = + new LoaderRegistryImpl(monitorFactory.getMonitor(LoaderRegistryImpl.Monitor.class)); + + // register component type loaders + loaderRegistry.registerLoader(SystemImplementation.class, new SystemComponentTypeLoader(introspector)); + loaderRegistry.registerLoader(SystemCompositeImplementation.class, + new SystemCompositeComponentTypeLoader(loaderRegistry)); + + // register element loaders + registerLoader(loaderRegistry, new ComponentLoader(loaderRegistry, propertyFactory)); + registerLoader(loaderRegistry, new ComponentTypeElementLoader(loaderRegistry)); + registerLoader(loaderRegistry, new CompositeLoader(loaderRegistry, null)); + registerLoader(loaderRegistry, new IncludeLoader(loaderRegistry)); + JavaInterfaceProcessorRegistryImpl processorRegistry = new JavaInterfaceProcessorRegistryImpl(); + registerLoader(loaderRegistry, new InterfaceJavaLoader(loaderRegistry, processorRegistry)); + registerLoader(loaderRegistry, new PropertyLoader(loaderRegistry)); + registerLoader(loaderRegistry, new ReferenceLoader(loaderRegistry)); + registerLoader(loaderRegistry, new ServiceLoader(loaderRegistry)); + registerLoader(loaderRegistry, new SystemImplementationLoader(loaderRegistry)); + registerLoader(loaderRegistry, new LocalBindingLoader(loaderRegistry)); + return loaderRegistry; + } + + /** + * Create new Introspector for extracting a ComponentType definition from a Java class. + * + * @return a new Introspector + */ + public Introspector createIntrospector(JavaInterfaceProcessorRegistry registry) { + ImplementationProcessorService service = new ImplementationProcessorServiceImpl(registry); + IntrospectionRegistryImpl.Monitor monitor = monitorFactory.getMonitor(IntrospectionRegistryImpl.Monitor.class); + IntrospectionRegistryImpl introspectionRegistry = new IntrospectionRegistryImpl(monitor); + introspectionRegistry.registerProcessor(new ConstructorProcessor(service)); + introspectionRegistry.registerProcessor(new DestroyProcessor()); + introspectionRegistry.registerProcessor(new InitProcessor()); + introspectionRegistry.registerProcessor(new EagerInitProcessor()); + introspectionRegistry.registerProcessor(new ScopeProcessor()); + introspectionRegistry.registerProcessor(new PropertyProcessor(service)); + introspectionRegistry.registerProcessor(new ReferenceProcessor(registry)); + introspectionRegistry.registerProcessor(new ResourceProcessor()); + introspectionRegistry.registerProcessor(new ServiceProcessor(service)); + introspectionRegistry.registerProcessor(new HeuristicPojoProcessor(service)); + introspectionRegistry.registerProcessor(new MonitorProcessor(monitorFactory, service)); + return introspectionRegistry; + } + + /** + * Create a new Connector that can be used to wire primordial components together. + * + * @return a new Connector + */ + public Connector createConnector() { + return new ConnectorImpl(); + } + + /** + * Helper method for registering a loader with the registry. The Loader is registered once for the QName returned by + * its {@link LoaderExtension#getXMLType()} method. + * + * @param registry the LoaderRegistry to register with + * @param loader the Loader to register + */ + protected void registerLoader(LoaderRegistry registry, LoaderExtension<?> loader) { + registry.registerLoader(loader.getXMLType(), loader); + } + + /** + * Create a Builder that can be used to build the components in the system definition. The default implementation + * only supports implementations from the system programming model. + * + * @param scopeRegistry the ScopeRegistry defining the component scopes that will be supported + * @return a new Builder + */ + private Builder createBuilder(ScopeRegistry scopeRegistry) { + BuilderRegistryImpl builderRegistry = + new BuilderRegistryImpl(scopeRegistry, new JDKWireService()); + SystemCompositeBuilder builder = + new SystemCompositeBuilder(builderRegistry, createConnector(), managementService); + builderRegistry.register(SystemCompositeImplementation.class, builder); + builderRegistry.register(SystemImplementation.class, new SystemComponentBuilder()); + builderRegistry.register(LocalBindingDefinition.class, new LocalBindingBuilder()); + return builderRegistry; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultRuntime.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultRuntime.java new file mode 100644 index 0000000000..978d10fc37 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultRuntime.java @@ -0,0 +1,83 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.bootstrap; + +import java.util.HashMap; +import java.util.Map; + +import org.w3c.dom.Document; + +import org.apache.tuscany.spi.bootstrap.ComponentNames; +import org.apache.tuscany.spi.bootstrap.RuntimeComponent; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.deployer.Deployer; +import org.apache.tuscany.spi.wire.InboundWire; + +import org.apache.tuscany.core.implementation.composite.CompositeComponentImpl; + +/** + * The default implementation of the Tuscany runtime component + * + * @version $Rev$ $Date$ + */ +public class DefaultRuntime extends CompositeComponentImpl implements RuntimeComponent { + private CompositeComponent rootComponent; + private CompositeComponent systemComponent; + + /** + * Initialize a default runtime with an empty set of Property values. + */ + public DefaultRuntime() { + this(new HashMap<String, Document>()); + } + + /** + * Initialize a runtime with the a set of properties + * + * @param runtimeProperties Property values for the runtime itself + */ + public DefaultRuntime(Map<String, Document> runtimeProperties) { + super(ComponentNames.TUSCANY_RUNTIME, null, null, runtimeProperties); + } + + protected void setRootComponent(CompositeComponent rootComponent) { + this.rootComponent = rootComponent; + } + + protected void setSystemComponent(CompositeComponent systemComponent) { + this.systemComponent = systemComponent; + } + + public CompositeComponent getRootComponent() { + return rootComponent; + } + + public CompositeComponent getSystemComponent() { + return systemComponent; + } + + public Deployer getDeployer() throws TargetResolutionException { + InboundWire wire = systemComponent.resolveExternalAutowire(Deployer.class); + if (wire != null) { + return (Deployer) wire.getTargetService(); + } + return null; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/BuilderRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/BuilderRegistryImpl.java new file mode 100644 index 0000000000..3a1501c98d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/BuilderRegistryImpl.java @@ -0,0 +1,241 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import java.net.URI; +import java.util.HashMap; +import java.util.Map; + +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.builder.BindingBuilder; +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.builder.BuilderRegistry; +import org.apache.tuscany.spi.builder.ComponentBuilder; +import org.apache.tuscany.spi.builder.MissingWireTargetException; +import org.apache.tuscany.spi.builder.ScopeNotFoundException; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.Reference; +import org.apache.tuscany.spi.component.ReferenceBinding; +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.component.ServiceBinding; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.model.BindingDefinition; +import org.apache.tuscany.spi.model.BoundReferenceDefinition; +import org.apache.tuscany.spi.model.BoundServiceDefinition; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.ComponentType; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.InteractionScope; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.model.ServiceDefinition; +import org.apache.tuscany.spi.wire.WireService; + +import org.apache.tuscany.core.binding.local.LocalBindingDefinition; +import org.apache.tuscany.core.implementation.composite.ReferenceImpl; +import org.apache.tuscany.core.implementation.composite.ServiceImpl; + +/** + * The default builder registry in the runtime + * + * @version $Rev$ $Date$ + */ +@EagerInit +public class BuilderRegistryImpl implements BuilderRegistry { + protected WireService wireService; + protected ScopeRegistry scopeRegistry; + + private final Map<Class<? extends Implementation<?>>, ComponentBuilder<? extends Implementation<?>>> + componentBuilders = + new HashMap<Class<? extends Implementation<?>>, ComponentBuilder<? extends Implementation<?>>>(); + private final Map<Class<? extends BindingDefinition>, BindingBuilder<? extends BindingDefinition>> bindingBuilders = + new HashMap<Class<? extends BindingDefinition>, BindingBuilder<? extends BindingDefinition>>(); + + public BuilderRegistryImpl(@Autowire + ScopeRegistry scopeRegistry, @Autowire + WireService wireService) { + this.scopeRegistry = scopeRegistry; + this.wireService = wireService; + } + + public <I extends Implementation<?>> void register(Class<I> implClass, ComponentBuilder<I> builder) { + componentBuilders.put(implClass, builder); + } + + public <I extends Implementation<?>> void unregister(Class<I> implClass) { + componentBuilders.remove(implClass); + } + + public <B extends BindingDefinition> void register(Class<B> implClass, BindingBuilder<B> builder) { + bindingBuilders.put(implClass, builder); + } + + @SuppressWarnings("unchecked") + public <I extends Implementation<?>> Component build(CompositeComponent parent, + ComponentDefinition<I> componentDefinition, + DeploymentContext context) throws BuilderException { + Class<?> implClass = componentDefinition.getImplementation().getClass(); + // noinspection SuspiciousMethodCalls + ComponentBuilder<I> componentBuilder = (ComponentBuilder<I>) componentBuilders.get(implClass); + try { + if (componentBuilder == null) { + String name = implClass.getName(); + throw new NoRegisteredBuilderException("No builder registered for implementation", name); + } + + Component component = componentBuilder.build(parent, componentDefinition, context); + if (component != null) { + component.setDefaultPropertyValues(componentDefinition.getPropertyValues()); + Scope scope = componentDefinition.getImplementation().getComponentType().getImplementationScope(); + if (scope == Scope.SYSTEM || scope == Scope.COMPOSITE) { + component.setScopeContainer(context.getCompositeScope()); + } else { + // Check for conversational contract if conversational scope + if (scope == Scope.CONVERSATION) { + boolean hasConversationalContract = false; + ComponentType<ServiceDefinition, ReferenceDefinition, ?> componentType = + componentDefinition.getImplementation().getComponentType(); + Map<String, ServiceDefinition> services = componentType.getServices(); + for (ServiceDefinition serviceDef : services.values()) { + InteractionScope intScope = serviceDef.getServiceContract().getInteractionScope(); + if (intScope == InteractionScope.CONVERSATIONAL) { + hasConversationalContract = true; + break; + } + } + if (!hasConversationalContract) { + Map<String, ReferenceDefinition> references = componentType.getReferences(); + for (ReferenceDefinition refDef : references.values()) { + // TODO check for a conversational callback contract + // refDef.getServiceContract() ... + } + } + if (!hasConversationalContract) { + String name = implClass.getName(); + throw new NoConversationalContractException("No conversational contract for conversational implementation", name); + } + } + // Now it's ok to set the scope container + ScopeContainer scopeContainer = scopeRegistry.getScopeContainer(scope); + if (scopeContainer == null) { + throw new ScopeNotFoundException(scope.toString()); + } + component.setScopeContainer(scopeContainer); + } + } + ComponentType<?, ?, ?> componentType = componentDefinition.getImplementation().getComponentType(); + assert componentType != null : "Component type must be set"; + // create wires for the component + if (wireService != null && component instanceof AtomicComponent) { + wireService.createWires((AtomicComponent) component, componentDefinition); + } + return component; + } catch (BuilderException e) { + e.addContextName(componentDefinition.getName()); + throw e; + } + } + + @SuppressWarnings({"unchecked"}) + public Service build(CompositeComponent parent, + BoundServiceDefinition boundServiceDefinition, + DeploymentContext deploymentContext) throws BuilderException { + String name = boundServiceDefinition.getName(); + ServiceContract<?> serviceContract = boundServiceDefinition.getServiceContract(); + if (boundServiceDefinition.getBindings().isEmpty()) { + // if no bindings are configured, default to the local binding. + // this should be changed to allow runtime selection + if (boundServiceDefinition.getBindings().isEmpty()) { + // TODO JFM implement capability for the runtime to choose a binding + boundServiceDefinition.addBinding(new LocalBindingDefinition()); + } + } + boolean system = parent.isSystem(); + URI targetUri = boundServiceDefinition.getTarget(); + Service service = new ServiceImpl(name, parent, serviceContract, targetUri, system); + for (BindingDefinition definition : boundServiceDefinition.getBindings()) { + Class<?> bindingClass = definition.getClass(); + // noinspection SuspiciousMethodCalls + BindingBuilder bindingBuilder = bindingBuilders.get(bindingClass); + if (bindingBuilder == null) { + throw new NoRegisteredBuilderException("No builder registered for type", bindingClass.getName()); + } + ServiceBinding binding = + bindingBuilder.build(parent, boundServiceDefinition, definition, deploymentContext); + if (wireService != null) { + URI uri = boundServiceDefinition.getTarget(); + if (uri == null) { + throw new MissingWireTargetException("Service uri not specified"); + } + String path = uri.getPath(); + ServiceContract<?> contract = boundServiceDefinition.getServiceContract(); + wireService.createWires(binding, contract, path); + } + service.addServiceBinding(binding); + } + return service; + } + + @SuppressWarnings("unchecked") + public Reference build(CompositeComponent parent, + BoundReferenceDefinition referenceDefinition, + DeploymentContext context) throws BuilderException { + String name = referenceDefinition.getName(); + ServiceContract<?> contract = referenceDefinition.getServiceContract(); + if (referenceDefinition.getBindings().isEmpty()) { + // if no bindings are configured, default to the local binding. + // this should be changed to allow runtime selection + if (referenceDefinition.getBindings().isEmpty()) { + // TODO JFM implement capability for the runtime to choose a binding + referenceDefinition.addBinding(new LocalBindingDefinition()); + } + } + + Reference reference = new ReferenceImpl(name, parent, contract); + for (BindingDefinition bindingDefinition : referenceDefinition.getBindings()) { + Class<?> bindingClass = bindingDefinition.getClass(); + // noinspection SuspiciousMethodCalls + BindingBuilder bindingBuilder = bindingBuilders.get(bindingClass); + ReferenceBinding binding = bindingBuilder.build(parent, referenceDefinition, bindingDefinition, context); + // create wires for the component + if (wireService != null) { + URI targetUri = bindingDefinition.getTargetUri(); + // it is possible for a binding to not have a URI + QualifiedName targetName = null; + if (targetUri != null) { + targetName = new QualifiedName(targetUri.getPath()); + } + wireService.createWires(binding, contract, targetName); + + } + reference.addReferenceBinding(binding); + + } + return reference; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/ConnectorImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/ConnectorImpl.java new file mode 100644 index 0000000000..1fb5c9f0f5 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/ConnectorImpl.java @@ -0,0 +1,609 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import java.util.List; +import java.util.Map; + +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.builder.Connector; +import org.apache.tuscany.spi.builder.MissingWireTargetException; +import org.apache.tuscany.spi.builder.WiringException; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.Reference; +import org.apache.tuscany.spi.component.ReferenceBinding; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.component.ServiceBinding; +import org.apache.tuscany.spi.component.TargetInvokerCreationException; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.idl.java.JavaServiceContract; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.services.work.WorkScheduler; +import org.apache.tuscany.spi.wire.InboundInvocationChain; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.IncompatibleServiceContractException; +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.WirePostProcessorRegistry; +import org.apache.tuscany.spi.wire.WireService; + +import org.apache.tuscany.core.wire.LoopBackWire; +import org.apache.tuscany.core.wire.NonBlockingBridgingInterceptor; +import org.apache.tuscany.core.wire.SynchronousBridgingInterceptor; +import org.apache.tuscany.core.wire.WireUtils; + +/** + * The default connector implmentation + * + * @version $$Rev$$ $$Date$$ + */ +public class ConnectorImpl implements Connector { + private WirePostProcessorRegistry postProcessorRegistry; + private WireService wireService; + private WorkContext workContext; + private WorkScheduler scheduler; + + public ConnectorImpl() { + } + + @Constructor + public ConnectorImpl(@Autowire WireService wireService, + @Autowire WirePostProcessorRegistry processorRegistry, + @Autowire WorkScheduler scheduler, + @Autowire WorkContext workContext) { + this.postProcessorRegistry = processorRegistry; + this.wireService = wireService; + this.scheduler = scheduler; + this.workContext = workContext; + } + + public void connect(SCAObject source) throws WiringException { + if (source instanceof Component) { + handleComponent((Component) source); + } else if (source instanceof Reference) { + handleReference((Reference) source); + } else if (source instanceof Service) { + handleService((Service) source); + } else { + throw new AssertionError("Invalid source type"); + } + } + + public void connect(InboundWire sourceWire, OutboundWire targetWire, boolean optimizable) + throws WiringException { + Map<Operation<?>, OutboundInvocationChain> targetChains = targetWire.getInvocationChains(); + if (sourceWire.getContainer() != null && sourceWire.getContainer().isSystem()) { + sourceWire.setTargetWire(targetWire); + // system services do not need to have their chains processed, return + return; + } + for (InboundInvocationChain inboundChain : sourceWire.getInvocationChains().values()) { + // match invocation chains + OutboundInvocationChain outboundChain = targetChains.get(inboundChain.getOperation()); + if (outboundChain == null) { + throw new IncompatibleInterfacesException(sourceWire, targetWire); + } + connect(inboundChain, outboundChain); + } + if (postProcessorRegistry != null) { + // run wire post-processors + postProcessorRegistry.process(sourceWire, targetWire); + } + if (optimizable && WireUtils.isOptimizable(sourceWire) && WireUtils.isOptimizable(targetWire)) { + sourceWire.setOptimizable(true); + sourceWire.setTargetWire(targetWire); + } + } + + /** + * Connects the source outbound wire to a corresponding target inbound wire + * + * @param sourceWire the source wire to connect + * @param targetWire the target wire to connect to + * @param optimizable true if the wire connection can be optimized + * @throws WiringException + */ + public void connect(OutboundWire sourceWire, InboundWire targetWire, boolean optimizable) + throws WiringException { + SCAObject source = sourceWire.getContainer(); + assert source != null; + SCAObject target = targetWire.getContainer(); + assert target != null; + Map<Operation<?>, InboundInvocationChain> targetChains = targetWire.getInvocationChains(); + if (sourceWire.getContainer() != null && sourceWire.getContainer().isSystem()) { + sourceWire.setTargetWire(targetWire); + // system services do not need to have their chains processed, return + return; + } + // match outbound to inbound chains + for (OutboundInvocationChain outboundChain : sourceWire.getInvocationChains().values()) { + Operation<?> operation = outboundChain.getOperation(); + InboundInvocationChain inboundChain = targetChains.get(operation); + if (inboundChain == null) { + throw new IncompatibleInterfacesException(sourceWire, targetWire); + } + Operation<?> inboundOperation = inboundChain.getOperation(); + boolean isOneWayOperation = operation.isNonBlocking(); + TargetInvoker invoker; + if (target instanceof Component) { + Component component = (Component) target; + QualifiedName wireTargetName = sourceWire.getTargetName(); + String portName = null; + if (wireTargetName != null) { + portName = wireTargetName.getPortName(); + } + try { + invoker = component.createTargetInvoker(portName, inboundOperation, targetWire); + } catch (TargetInvokerCreationException e) { + throw new WireConnectException("Error connecting source and target", sourceWire, targetWire, e); + } + } else if (target instanceof ReferenceBinding) { + ReferenceBinding referenceBinding = (ReferenceBinding) target; + try { + invoker = referenceBinding.createTargetInvoker(targetWire.getServiceContract(), inboundOperation); + } catch (TargetInvokerCreationException e) { + String targetName = targetWire.getContainer().getName(); + throw new WireConnectException("Error processing inbound wire", null, null, targetName, null, e); + } + } else if (target instanceof ServiceBinding) { + ServiceBinding binding = (ServiceBinding) target; + try { + invoker = binding.createTargetInvoker(targetWire.getServiceContract(), inboundChain.getOperation()); + } catch (TargetInvokerCreationException e) { + String targetName = targetWire.getContainer().getName(); + throw new WireConnectException("Error processing inbound wire", null, null, targetName, null, e); + } + } else { + throw new AssertionError(); + } + + if (source instanceof ServiceBinding) { + // services are a special case: invoker must go on the inbound and outbound chains + if (target instanceof Component && isOneWayOperation) { + // if the target is a component and the operation is non-blocking + connect(outboundChain, inboundChain, invoker, true); + } else { + connect(outboundChain, inboundChain, invoker, false); + } + ServiceBinding binding = (ServiceBinding) source; + InboundInvocationChain chain = binding.getInboundWire().getInvocationChains().get(operation); + chain.setTargetInvoker(invoker); + } else { + if (target instanceof Component && isOneWayOperation) { + // if the target is a component and the operation is non-blocking + connect(outboundChain, inboundChain, invoker, true); + } else { + connect(outboundChain, inboundChain, invoker, false); + } + } + } + + // create source callback chains and connect them if target callback chains exist + Map<Operation<?>, OutboundInvocationChain> sourceCallbackChains = + targetWire.getSourceCallbackInvocationChains(source.getName()); + for (InboundInvocationChain inboundChain : sourceWire.getTargetCallbackInvocationChains().values()) { + Operation<?> operation = inboundChain.getOperation(); + if (sourceCallbackChains != null && sourceCallbackChains.get(operation) != null) { + String opName = operation.getName(); + throw new IllegalCallbackException("Source callback chain should not exist for operation", + opName, + sourceWire, + targetWire); + } + + ServiceContract<?> targetContract = targetWire.getServiceContract(); + assert targetContract != null; + String opName = operation.getName(); + assert opName != null; + Operation targetOp = targetContract.getCallbackOperations().get(opName); + OutboundInvocationChain outboundChain = wireService.createOutboundChain(targetOp); + targetWire.addSourceCallbackInvocationChain(source.getName(), targetOp, outboundChain); + if (source instanceof Component) { + Component component = (Component) source; + TargetInvoker invoker; + try { + invoker = component.createTargetInvoker(targetOp.getName(), operation, null); + } catch (TargetInvokerCreationException e) { + throw new WireConnectException("Error connecting source and target", sourceWire, targetWire, e); + } + boolean isOneWayOperation = targetOp.isNonBlocking(); + if (target instanceof Component && isOneWayOperation) { + // if the target is a component and the operation is non-blocking + connect(outboundChain, inboundChain, invoker, true); + } else { + connect(outboundChain, inboundChain, invoker, false); + } + } else if (source instanceof ReferenceBinding) { + ReferenceBinding binding = (ReferenceBinding) source; + ServiceContract sourceContract = sourceWire.getServiceContract(); + TargetInvoker invoker; + try { + invoker = binding.createTargetInvoker(sourceContract, operation); + } catch (TargetInvokerCreationException e) { + throw new WireConnectException("Error connecting source and target", sourceWire, targetWire, e); + } + connect(outboundChain, inboundChain, invoker, false); + } else if (source instanceof ServiceBinding) { + ServiceBinding binding = (ServiceBinding) source; + ServiceContract sourceContract = sourceWire.getServiceContract(); + TargetInvoker invoker; + try { + invoker = binding.createTargetInvoker(sourceContract, operation); + } catch (TargetInvokerCreationException e) { + String targetName = sourceWire.getContainer().getName(); + throw new WireConnectException("Error processing callback wire", null, null, targetName, null, e); + } + connect(outboundChain, inboundChain, invoker, false); + } else { + throw new AssertionError(); + } + } + if (postProcessorRegistry != null) { + // run wire post-processors + postProcessorRegistry.process(sourceWire, targetWire); + } + // perform optimization, if possible + if (optimizable && WireUtils.isOptimizable(sourceWire) && WireUtils.isOptimizable(targetWire)) { + sourceWire.setOptimizable(true); + sourceWire.setTargetWire(targetWire); + } + } + + /** + * Connects a source to target chain + * + * @param sourceChain the source chain + * @param targetChain the target chain + * @param invoker the invoker to place on the source chain for dispatching invocations + * @param nonBlocking true if the operation is non-blocking + */ + protected void connect(OutboundInvocationChain sourceChain, + InboundInvocationChain targetChain, + TargetInvoker invoker, + boolean nonBlocking) throws WireConnectException { + Interceptor head = targetChain.getHeadInterceptor(); + if (head == null) { + throw new WireConnectException("Inbound chain must contain at least one interceptor"); + } + if (nonBlocking) { + sourceChain.setTargetInterceptor(new NonBlockingBridgingInterceptor(scheduler, workContext, head)); + } else { + sourceChain.setTargetInterceptor(new SynchronousBridgingInterceptor(head)); + } + sourceChain.prepare(); + sourceChain.setTargetInvoker(invoker); + } + + + /** + * Connects an inbound source chain to an outbound target chain + * + * @param sourceChain the source chain to connect + * @param targetChain the target chain to connect + */ + protected void connect(InboundInvocationChain sourceChain, OutboundInvocationChain targetChain) + throws WireConnectException { + Interceptor head = targetChain.getHeadInterceptor(); + if (head == null) { + throw new WireConnectException("Outbound chain must contain at least one interceptor"); + } + // invocations from inbound to outbound chains are always synchronous as they occur in services and references + sourceChain.addInterceptor(new SynchronousBridgingInterceptor(head)); + } + + /** + * Connects an outbound wire to its target in a composite. + * + * @param sourceWire the source wire to connect + * @throws WiringException + */ + protected void connect(SCAObject source, OutboundWire sourceWire, SCAObject target) throws WiringException { + assert sourceWire.getTargetName() != null; + QualifiedName targetName = sourceWire.getTargetName(); + if (target instanceof Component) { + connect(source, sourceWire, (Component) target); + } else if (target instanceof Reference) { + connect(source, sourceWire, (Reference) target); + } else if (target instanceof Service) { + connect(source, sourceWire, (Service) target); + } else if (target == null) { + String sourceName = sourceWire.getContainer().getName(); + String sourceReference = sourceWire.getReferenceName(); + throw new TargetServiceNotFoundException("Target service not found", + sourceName, + sourceReference, + targetName.getPartName(), + targetName.getPortName()); + } else { + String sourceName = sourceWire.getContainer().getName(); + String sourceRef = sourceWire.getReferenceName(); + String partName = targetName.getPartName(); + String portName = targetName.getPortName(); + throw new InvalidTargetTypeException("Invalid target type", sourceName, sourceRef, partName, portName); + } + } + + protected void connect(SCAObject source, OutboundWire sourceWire, Reference target) throws WiringException { + assert sourceWire.getTargetName() != null; + QualifiedName targetName = sourceWire.getTargetName(); + InboundWire targetWire = null; + for (ReferenceBinding binding : target.getReferenceBindings()) { + InboundWire candidate = binding.getInboundWire(); + if (sourceWire.getBindingType().equals(candidate.getBindingType())) { + targetWire = candidate; + break; + } + } + if (targetWire == null) { + if (target.getReferenceBindings().size() > 0 && source instanceof Component) { + // TODO create a pluggable algorithm for selecting the binding type + targetWire = target.getReferenceBindings().get(0).getInboundWire(); + } + if (targetWire == null) { + throw new NoCompatibleBindingsException(source.getName(), + targetName.getPartName(), + targetName.getPortName()); + } + } + checkIfWireable(sourceWire, targetWire); + boolean optimizable = isOptimizable(source.getScope(), target.getScope()); + connect(sourceWire, targetWire, optimizable); + } + + protected void connect(SCAObject source, OutboundWire sourceWire, Service target) throws WiringException { + assert sourceWire.getTargetName() != null; + QualifiedName targetName = sourceWire.getTargetName(); + InboundWire targetWire = null; + for (ServiceBinding binding : target.getServiceBindings()) { + InboundWire candidate = binding.getInboundWire(); + if (sourceWire.getBindingType().equals(candidate.getBindingType())) { + targetWire = candidate; + break; + } + } + if (targetWire == null) { + throw new NoCompatibleBindingsException(source.getName(), + targetName.getPartName(), + targetName.getPortName()); + } + checkIfWireable(sourceWire, targetWire); + boolean optimizable = isOptimizable(source.getScope(), target.getScope()); + connect(sourceWire, targetWire, optimizable); + } + + protected void connect(SCAObject source, OutboundWire sourceWire, Component target) + throws WiringException { + assert sourceWire.getTargetName() != null; + QualifiedName targetName = sourceWire.getTargetName(); + InboundWire targetWire; + // FIXME JFM should we move getInboundSystemWire up to Component? + if (target instanceof CompositeComponent && source.isSystem()) { + targetWire = ((CompositeComponent) target).getInboundSystemWire(targetName.getPortName()); + } else { + targetWire = target.getInboundWire(targetName.getPortName()); + } + if (targetWire == null) { + String sourceName = sourceWire.getContainer().getName(); + String sourceReference = sourceWire.getReferenceName(); + throw new TargetServiceNotFoundException("Target service does not exist or is not configured with a " + + "local binding", + sourceName, + sourceReference, + targetName.getPartName(), + targetName.getPortName()); + } + checkIfWireable(sourceWire, targetWire); + boolean optimizable = isOptimizable(source.getScope(), target.getScope()); + connect(sourceWire, targetWire, optimizable); + } + + protected void autowire(OutboundWire outboundWire, CompositeComponent parent) + throws WiringException { + // JFM FIXME test coverage for this method + InboundWire targetWire; + try { + Class interfaze = outboundWire.getServiceContract().getInterfaceClass(); + if (CompositeComponent.class.equals(interfaze)) { + JavaServiceContract contract = new JavaServiceContract(CompositeComponent.class); + targetWire = new LoopBackWire(); + targetWire.setServiceContract(contract); + targetWire.setContainer(parent); + outboundWire.setTargetWire(targetWire); + return; + } + if (outboundWire.getContainer().isSystem()) { + targetWire = parent.resolveSystemAutowire(interfaze); + } else { + targetWire = parent.resolveAutowire(interfaze); + } + } catch (TargetResolutionException e) { + String sourceReference = outboundWire.getReferenceName(); + String sourceName = outboundWire.getContainer().getName(); + throw new WireConnectException("Error resolving autowire target", + sourceName, + sourceReference, + null, + null, + e); + } + if (targetWire == null) { + // autowire may return null if it is optional. The client must decide if an error should be thrown + return; + } + Scope sourceScope = outboundWire.getContainer().getScope(); + Scope targetScope = targetWire.getContainer().getScope(); + boolean optimizable = isOptimizable(sourceScope, targetScope); + connect(outboundWire, targetWire, optimizable); + } + + protected void checkIfWireable(OutboundWire sourceWire, InboundWire targetWire) + throws IncompatibleInterfacesException { + if (wireService == null) { + Class<?> sourceInterface = sourceWire.getServiceContract().getInterfaceClass(); + Class<?> targetInterface = targetWire.getServiceContract().getInterfaceClass(); + if (!sourceInterface.isAssignableFrom(targetInterface)) { + throw new IncompatibleInterfacesException(sourceWire, targetWire); + } + } else { + try { + ServiceContract sourceContract = sourceWire.getServiceContract(); + ServiceContract targetContract = targetWire.getServiceContract(); + wireService.checkCompatibility(sourceContract, targetContract, false); + } catch (IncompatibleServiceContractException e) { + throw new IncompatibleInterfacesException(sourceWire, targetWire, e); + } + } + } + + protected boolean isOptimizable(Scope pReferrer, Scope pReferee) { + if (pReferrer == Scope.UNDEFINED + || pReferee == Scope.UNDEFINED + || pReferrer == Scope.CONVERSATION + || pReferee == Scope.CONVERSATION) { + return false; + } + if (pReferee == pReferrer) { + return true; + } else if (pReferrer == Scope.STATELESS) { + return true; + } else if (pReferee == Scope.STATELESS) { + return false; + } else if (pReferrer == Scope.REQUEST && pReferee == Scope.SESSION) { + return true; + } else if (pReferrer == Scope.REQUEST && pReferee == Scope.COMPOSITE) { + return true; + } else if (pReferrer == Scope.REQUEST && pReferee == Scope.SYSTEM) { + return true; + } else if (pReferrer == Scope.SESSION && pReferee == Scope.COMPOSITE) { + return true; + } else if (pReferrer == Scope.SESSION && pReferee == Scope.SYSTEM) { + return true; + } else //noinspection SimplifiableIfStatement + if (pReferrer == Scope.SYSTEM && pReferee == Scope.COMPOSITE) { + // case where a service context points to a composite scoped component + return true; + } else { + return pReferrer == Scope.COMPOSITE && pReferee == Scope.SYSTEM; + } + } + + /** + * Connects wires from a service to a target + * + * @param service the service + * @throws WiringException if an exception connecting the service wires is encountered + */ + private void handleService(Service service) throws WiringException { + CompositeComponent parent = service.getParent(); + assert parent != null; + for (ServiceBinding binding : service.getServiceBindings()) { + InboundWire inboundWire = binding.getInboundWire(); + OutboundWire outboundWire = binding.getOutboundWire(); + // For a composite reference only, since its outbound wire comes from its parent composite, + // the corresponding target would not lie in its parent but rather in its parent's parent + SCAObject target; + if (service.isSystem()) { + target = parent.getSystemChild(outboundWire.getTargetName().getPartName()); + } else { + target = parent.getChild(outboundWire.getTargetName().getPartName()); + } + // connect the outbound service wire to the target + connect(binding, outboundWire, target); + // NB: this connect must be done after the outbound service chain is connected to its target above + connect(inboundWire, outboundWire, true); + } + } + + private void handleReference(Reference reference) throws WiringException { + CompositeComponent parent = reference.getParent(); + assert parent != null; + for (ReferenceBinding binding : reference.getReferenceBindings()) { + InboundWire inboundWire = binding.getInboundWire(); + Map<Operation<?>, InboundInvocationChain> inboundChains = inboundWire.getInvocationChains(); + for (InboundInvocationChain chain : inboundChains.values()) { + // add target invoker on inbound side + ServiceContract contract = inboundWire.getServiceContract(); + Operation operation = chain.getOperation(); + TargetInvoker invoker; + try { + invoker = binding.createTargetInvoker(contract, operation); + } catch (TargetInvokerCreationException e) { + String targetName = inboundWire.getContainer().getName(); + throw new WireConnectException("Error processing inbound wire", + null, + null, + targetName, + null, + e); + } + chain.setTargetInvoker(invoker); + chain.prepare(); + } + OutboundWire outboundWire = binding.getOutboundWire(); + // connect the reference's inbound and outbound wires + connect(inboundWire, outboundWire, true); + } + } + + private void handleComponent(Component component) throws WiringException { + CompositeComponent parent = component.getParent(); + assert parent != null; + // connect outbound wires for component references to their targets + for (List<OutboundWire> referenceWires : component.getOutboundWires().values()) { + for (OutboundWire outboundWire : referenceWires) { + try { + if (component.isSystem()) { + if (outboundWire.isAutowire()) { + autowire(outboundWire, parent); + + } else { + SCAObject target = parent.getSystemChild(outboundWire.getTargetName().getPartName()); + connect(component, outboundWire, target); + } + } else { + if (outboundWire.isAutowire()) { + autowire(outboundWire, parent); + } else { + if (outboundWire.getTargetName() == null) { + String referenceName = outboundWire.getReferenceName(); + throw new MissingWireTargetException("Target name was null", referenceName); + } + SCAObject target = parent.getChild(outboundWire.getTargetName().getPartName()); + connect(component, outboundWire, target); + } + } + } catch (WiringException e) { + e.addContextName(component.getName()); + e.addContextName(parent.getName()); + throw e; + } + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/IllegalCallbackException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/IllegalCallbackException.java new file mode 100644 index 0000000000..5ca843e198 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/IllegalCallbackException.java @@ -0,0 +1,54 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import org.apache.tuscany.spi.builder.WiringException; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Denotes an illegal callback + * + * @version $Rev$ $Date$ + */ +public class IllegalCallbackException extends WiringException { + + public IllegalCallbackException(String message, + String identifier, + String sourceName, + String referenceName, + String targetName, + String serviceName) { + super(message, identifier); + setSourceName(sourceName); + setReferenceName(referenceName); + setTargetName(targetName); + setTargetServiceName(serviceName); + } + + + public IllegalCallbackException(String message, String identifier, OutboundWire source, InboundWire target) { + super(message, identifier); + setSourceName(source.getContainer().getName()); + setReferenceName(source.getReferenceName()); + setTargetName(target.getContainer().getName()); + setTargetServiceName(target.getServiceName()); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/IncompatibleInterfacesException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/IncompatibleInterfacesException.java new file mode 100644 index 0000000000..4b94983c34 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/IncompatibleInterfacesException.java @@ -0,0 +1,93 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import org.apache.tuscany.spi.builder.WiringException; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Denotes an attempt to wire incompatible interfaces + * + * @version $Rev$ $Date$ + */ +public class IncompatibleInterfacesException extends WiringException { + + + public IncompatibleInterfacesException(String message, + String sourceName, + String referenceName, + String targetName, + String targetServiceName) { + super(message); + setSourceName(sourceName); + setReferenceName(referenceName); + setTargetName(targetName); + setTargetServiceName(targetServiceName); + } + + public IncompatibleInterfacesException(String message, String sourceName, + String referenceName, + String targetName, + String serviceName, + Throwable cause) { + super(message, cause); + setSourceName(sourceName); + setReferenceName(referenceName); + setTargetName(targetName); + setTargetServiceName(serviceName); + } + + public IncompatibleInterfacesException(InboundWire source, OutboundWire target) { + super("Incompatible source and target interfaces"); + setTargetServiceName(source.getServiceName()); + if (source.getContainer() != null) { + setSourceName(source.getContainer().getName()); + } + setReferenceName(target.getReferenceName()); + if (target.getContainer() != null) { + setTargetName(target.getContainer().getName()); + } + } + + public IncompatibleInterfacesException(OutboundWire source, InboundWire target) { + super("Incompatible source and target interfaces"); + setTargetServiceName(target.getServiceName()); + if (source.getContainer() != null) { + setSourceName(source.getContainer().getName()); + } + setReferenceName(source.getReferenceName()); + if (target.getContainer() != null) { + setTargetName(target.getContainer().getName()); + } + } + + public IncompatibleInterfacesException(OutboundWire source, InboundWire target, Throwable throwable) { + super("Incompatible source and target interfaces", throwable); + setTargetServiceName(target.getServiceName()); + if (source.getContainer() != null) { + setSourceName(source.getContainer().getName()); + } + setReferenceName(source.getReferenceName()); + if (target.getContainer() != null) { + setTargetName(target.getContainer().getName()); + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/InvalidTargetTypeException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/InvalidTargetTypeException.java new file mode 100644 index 0000000000..e96fb764a0 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/InvalidTargetTypeException.java @@ -0,0 +1,41 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import org.apache.tuscany.spi.builder.WiringException; + +/** + * Denotes an invalid target service for a wire + * + * @version $Rev$ $Date$ + */ +public class InvalidTargetTypeException extends WiringException { + + public InvalidTargetTypeException(String message, + String sourceName, + String referenceName, + String targetName, + String serviceName) { + super(message); + setSourceName(sourceName); + setReferenceName(referenceName); + setTargetName(targetName); + setTargetServiceName(serviceName); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/NoCompatibleBindingsException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/NoCompatibleBindingsException.java new file mode 100644 index 0000000000..620fbf6694 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/NoCompatibleBindingsException.java @@ -0,0 +1,36 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import org.apache.tuscany.spi.builder.WiringException; + +/** + * @version $Rev$ $Date$ + */ +public class NoCompatibleBindingsException extends WiringException { + public NoCompatibleBindingsException(String sourceName, + String targetName, + String serviceName) { + super("No compatible bindings for source and target"); + setSourceName(sourceName); + setTargetName(targetName); + setTargetServiceName(serviceName); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/NoConversationalContractException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/NoConversationalContractException.java new file mode 100644 index 0000000000..71eb9ebd26 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/NoConversationalContractException.java @@ -0,0 +1,37 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.builder;
+
+import org.apache.tuscany.spi.builder.BuilderException;
+
+/**
+ * Raised when a component has conversational scope but no conversational contract
+ *
+ * @version $Rev: 487877 $ $Date: 2006-12-16 15:32:16 -0500 (Sat, 16 Dec 2006) $
+ */
+public class NoConversationalContractException extends BuilderException {
+
+ public NoConversationalContractException(String message, String identifier) {
+ super(message, identifier);
+ }
+
+ public NoConversationalContractException(String message) {
+ super(message);
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/NoRegisteredBuilderException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/NoRegisteredBuilderException.java new file mode 100644 index 0000000000..340a20f239 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/NoRegisteredBuilderException.java @@ -0,0 +1,38 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import org.apache.tuscany.spi.builder.BuilderException; + +/** + * Raised when a builder cannot be found for a SCDL entry type + * + * @version $Rev$ $Date$ + */ +public class NoRegisteredBuilderException extends BuilderException { + + public NoRegisteredBuilderException(String message, String identifier) { + super(message, identifier); + } + + public NoRegisteredBuilderException(String message) { + super(message); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/TargetServiceNotFoundException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/TargetServiceNotFoundException.java new file mode 100644 index 0000000000..873bf619b0 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/TargetServiceNotFoundException.java @@ -0,0 +1,42 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import org.apache.tuscany.spi.builder.WiringException; + +/** + * Indicates the target service of a reference was not found + * + * @version $Rev$ $Date$ + */ +public class TargetServiceNotFoundException extends WiringException { + + public TargetServiceNotFoundException(String message, + String sourceName, + String referenceName, + String targetName, + String serviceName) { + super(message); + setSourceName(sourceName); + setReferenceName(referenceName); + setTargetName(targetName); + setTargetServiceName(serviceName); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/WireConnectException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/WireConnectException.java new file mode 100644 index 0000000000..89105d27b4 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/WireConnectException.java @@ -0,0 +1,58 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import org.apache.tuscany.spi.builder.WiringException; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Denotes a general error connecting two wires + * + * @version $Rev$ $Date$ + */ +public class WireConnectException extends WiringException { + + public WireConnectException(String message) { + super(message); + } + + public WireConnectException(String message, + String sourceName, + String referenceName, + String targetName, + String serviceName, + Throwable throwable) { + super(message, throwable); + setSourceName(sourceName); + setReferenceName(referenceName); + setTargetName(targetName); + setTargetServiceName(serviceName); + } + + + public WireConnectException(String message, OutboundWire source, InboundWire target, Throwable throwable) { + super(message, throwable); + setSourceName(source.getContainer().getName()); + setReferenceName(source.getReferenceName()); + setTargetName(target.getContainer().getName()); + setTargetServiceName(target.getServiceName()); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/WirePostProcessorRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/WirePostProcessorRegistryImpl.java new file mode 100644 index 0000000000..3bc617066a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/WirePostProcessorRegistryImpl.java @@ -0,0 +1,57 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.spi.wire.WirePostProcessor; +import org.apache.tuscany.spi.wire.WirePostProcessorRegistry; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * The default implementation of a <code>WirePostProcessor</code> + * + * @version $Rev$ $Date$ + */ +public class WirePostProcessorRegistryImpl implements WirePostProcessorRegistry { + + private final List<WirePostProcessor> processors = new ArrayList<WirePostProcessor>(); + + public void process(OutboundWire source, InboundWire target) { + for (WirePostProcessor processor : processors) { + processor.process(source, target); + } + } + + public void process(InboundWire source, OutboundWire target) { + for (WirePostProcessor processor : processors) { + processor.process(source, target); + } + } + + public void register(WirePostProcessor processor) { + processors.add(processor); + } + + public void unregister(WirePostProcessor processor) { + processors.remove(processor); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/WiringExceptionFormatter.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/WiringExceptionFormatter.java new file mode 100644 index 0000000000..16cf27048a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/builder/WiringExceptionFormatter.java @@ -0,0 +1,72 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.builder; + +import java.io.PrintWriter; + +import org.osoa.sca.annotations.Destroy; +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.builder.WiringException; + +import org.apache.tuscany.host.monitor.ExceptionFormatter; +import org.apache.tuscany.host.monitor.FormatterRegistry; + +/** + * Formats {@link WiringException}s + * + * @version $Rev$ $Date$ + */ +@EagerInit +public class WiringExceptionFormatter implements ExceptionFormatter { + private FormatterRegistry factory; + + public WiringExceptionFormatter(@Autowire FormatterRegistry factory) { + this.factory = factory; + factory.register(this); + } + + public boolean canFormat(Class<?> type) { + return WiringException.class.isAssignableFrom(type); + } + + @Destroy + public void destroy() { + factory.unregister(this); + } + + public PrintWriter write(PrintWriter writer, Throwable exception) { + assert exception instanceof WiringException; + WiringException e = (WiringException) exception; + e.appendBaseMessage(writer); + if (e.getSourceName() != null && e.getReferenceName() != null) { + writer.write("\nSource : " + e.getSourceName() + "/" + e.getReferenceName()); + } else if (e.getSourceName() != null) { + writer.write("\nSource : " + e.getSourceName()); + } + if (e.getTargetName() != null && e.getTargetServiceName() != null) { + writer.write("\nTarget : " + e.getTargetName() + "/" + e.getTargetServiceName()); + } else if (e.getTargetName() != null) { + writer.write("\nTarget : " + e.getTargetName()); + } + e.appendContextStack(writer).append("\n"); + return writer; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/ScopeIdentifier.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/ScopeIdentifier.java new file mode 100644 index 0000000000..35125b85ef --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/ScopeIdentifier.java @@ -0,0 +1,35 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component; + +/** + * Implementations enable lazy retrieval of a scope id associated with a request, i.e. an id (and presumably a context) + * do not have to be generated if the scope is never accessed. Identifiers are associated with the current request + * thread and keyed on scope type. + * + * @version $Rev$ $Date$ + * @see org.apache.tuscany.spi.component.WorkContext + */ +public interface ScopeIdentifier { + + /** + * Returns the scope id for the request. + */ + Object getIdentifier(); +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/WorkContextImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/WorkContextImpl.java new file mode 100644 index 0000000000..8d2afc35d9 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/WorkContextImpl.java @@ -0,0 +1,211 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component; + +import java.util.ArrayList; +import java.util.IdentityHashMap; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.WorkContext; + +/** + * An implementation of an {@link org.apache.tuscany.spi.component.WorkContext} that handles event-to-thread + * associations using an <code>InheritableThreadLocal</code> + * + * @version $Rev$ $Date$ + */ +public class WorkContextImpl implements WorkContext { + private static final Object REMOTE_CONTEXT = new Object(); + private static final Object CORRELATION_ID = new Object(); + private static final Object CALLBACK_ROUTING_CHAIN = new Object(); + private static final Object CURRENT_ATOMIC = new Object(); + private static final Object CURRENT_SERVICE_NAMES = new Object(); + + // [rfeng] We cannot use InheritableThreadLocal for message ids here since it's shared by parent and children + private ThreadLocal<Map<Object, Object>> workContext = new ThreadLocal<Map<Object, Object>>(); + + // [rfeng] Session id requires InheritableThreadLocal + private ThreadLocal<Map<Object, Object>> inheritableContext = new InheritableThreadLocal<Map<Object, Object>>(); + + public WorkContextImpl() { + super(); + } + + public Object getCurrentCorrelationId() { + Map<Object, Object> map = workContext.get(); + if (map == null) { + return null; + } + return map.get(CORRELATION_ID); + } + + public void setCurrentCorrelationId(Object correlationId) { + Map<Object, Object> map = getWorkContextMap(); + map.put(CORRELATION_ID, correlationId); + } + + public AtomicComponent getCurrentAtomicComponent() { + Map<Object, Object> map = workContext.get(); + if (map == null) { + return null; + } + return (AtomicComponent) map.get(CURRENT_ATOMIC); + } + + public void setCurrentAtomicComponent(AtomicComponent component) { + Map<Object, Object> map = getWorkContextMap(); + map.put(CURRENT_ATOMIC, component); + } + + @SuppressWarnings("unchecked") + public LinkedList<Object> getCurrentCallbackRoutingChain() { + Map<Object, Object> map = workContext.get(); + if (map == null) { + return null; + } + return (LinkedList<Object>) map.get(CALLBACK_ROUTING_CHAIN); + } + + public void setCurrentCallbackRoutingChain(LinkedList<Object> callbackRoutingChain) { + Map<Object, Object> map = getWorkContextMap(); + map.put(CALLBACK_ROUTING_CHAIN, callbackRoutingChain); + } + + public CompositeComponent getRemoteComponent() { + Map<Object, Object> map = workContext.get(); + if (map == null) { + return null; + } + return (CompositeComponent) map.get(REMOTE_CONTEXT); + } + + + public void setRemoteComponent(CompositeComponent component) { + Map<Object, Object> map = getWorkContextMap(); + map.put(REMOTE_CONTEXT, component); + } + + public Object getIdentifier(Object type) { + Map<Object, Object> map = inheritableContext.get(); + if (map == null) { + return null; + } + Object currentId = map.get(type); + if (currentId instanceof ScopeIdentifier) { + currentId = ((ScopeIdentifier) currentId).getIdentifier(); + // once we have accessed the id, replace the lazy wrapper + map.put(type, currentId); + } + return currentId; + } + + public void setIdentifier(Object type, Object identifier) { + Map<Object, Object> map = inheritableContext.get(); + if (map == null) { + map = new IdentityHashMap<Object, Object>(); + inheritableContext.set(map); + } + map.put(type, identifier); + } + + public void clearIdentifier(Object type) { + if (type == null) { + return; + } + Map map = inheritableContext.get(); + if (map != null) { + map.remove(type); + } + } + + public void clearIdentifiers() { + inheritableContext.remove(); + } + + @SuppressWarnings({"unchecked"}) + public String popServiceName() { + Map<Object, Object> map = inheritableContext.get(); + if (map == null) { + return null; + } + List<String> stack = (List) map.get(CURRENT_SERVICE_NAMES); + if (stack == null || stack.size() < 1) { + return null; + } + String name = stack.remove(stack.size() - 1); + if (stack.size() == 0) { + // cleanup to avoid leaks + map.remove(CURRENT_SERVICE_NAMES); + } + return name; + } + + @SuppressWarnings({"unchecked"}) + public String getCurrentServiceName() { + Map<Object, Object> map = inheritableContext.get(); + if (map == null) { + return null; + } + List<String> stack = (List) map.get(CURRENT_SERVICE_NAMES); + if (stack == null || stack.size() < 1) { + return null; + } + return stack.get(stack.size() - 1); + } + + @SuppressWarnings({"unchecked"}) + public void pushServiceName(String name) { + Map<Object, Object> map = inheritableContext.get(); + List<String> names; + if (map == null) { + map = new IdentityHashMap<Object, Object>(); + inheritableContext.set(map); + names = new ArrayList<String>(); + map.put(CURRENT_SERVICE_NAMES, names); + } else { + names = (List<String>) map.get(CURRENT_SERVICE_NAMES); + if (names == null) { + names = new ArrayList<String>(); + map.put(CURRENT_SERVICE_NAMES, names); + } + } + names.add(name); + } + + public void clearServiceNames() { + Map<Object, Object> map = inheritableContext.get(); + if (map == null) { + return; + } + map.remove(CURRENT_SERVICE_NAMES); + } + + private Map<Object, Object> getWorkContextMap() { + Map<Object, Object> map = workContext.get(); + if (map == null) { + map = new IdentityHashMap<Object, Object>(); + workContext.set(map); + } + return map; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractEvent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractEvent.java new file mode 100644 index 0000000000..6d026ca08c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractEvent.java @@ -0,0 +1,39 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +import org.apache.tuscany.spi.event.Event; + +/** + * A basic implementation of a runtime event + * + * @version $$Rev$$ $$Date$$ + */ +public abstract class AbstractEvent implements Event { + protected Object source; + + public AbstractEvent(Object source) { + assert source != null : "Source id was null"; + this.source = source; + } + + public Object getSource() { + return source; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractRequestEvent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractRequestEvent.java new file mode 100644 index 0000000000..762b917600 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractRequestEvent.java @@ -0,0 +1,38 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +/** + * Base implementation of a request event + * + * @version $$Rev$$ $$Date$$ + */ +public abstract class AbstractRequestEvent extends AbstractEvent implements RequestEvent { + + /** + * Creates a new event + * + * @param source the source of the event + */ + public AbstractRequestEvent(Object source) { + super(source); + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeEvent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeEvent.java new file mode 100644 index 0000000000..ce058404da --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeEvent.java @@ -0,0 +1,33 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.event.Event; + +/** + * Implemented by runtime events associated with a composite, e.g. lifecycle events + * + * @version $$Rev$$ $$Date$$ + */ +public interface CompositeEvent extends Event { + + CompositeComponent getComposite(); + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStart.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStart.java new file mode 100644 index 0000000000..fba36feaf6 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStart.java @@ -0,0 +1,47 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +import org.apache.tuscany.spi.component.CompositeComponent; + +/** + * Propagated when a composite starts + * + * @version $$Rev$$ $$Date$$ + */ +public class CompositeStart extends AbstractEvent implements CompositeEvent { + + private CompositeComponent component; + + /** + * Creates a composite stop event + * + * @param source the source of the event + * @param component the composite component associated the composite being stopped + */ + public CompositeStart(Object source, CompositeComponent component) { + super(source); + this.component = component; + } + + public CompositeComponent getComposite() { + return component; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStop.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStop.java new file mode 100644 index 0000000000..6b3e37f619 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStop.java @@ -0,0 +1,46 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +import org.apache.tuscany.spi.component.CompositeComponent; + +/** + * Propagated when a composite stops + * + * @version $$Rev$$ $$Date$$ + */ +public class CompositeStop extends AbstractEvent implements CompositeEvent { + + private CompositeComponent component; + + /** + * Creates a composite stop event + * + * @param source the source of the event + * @param component the composite component associated the composite being stopped + */ + public CompositeStop(Object source, CompositeComponent component) { + super(source); + this.component = component; + } + + public CompositeComponent getComposite() { + return component; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/ConversationEnd.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/ConversationEnd.java new file mode 100644 index 0000000000..4a51d970c3 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/ConversationEnd.java @@ -0,0 +1,31 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.component.event;
+
+/**
+ * Propagated when a conversation session is expired
+ *
+ * @version $$Rev: 430937 $$ $$Date: 2006-08-11 21:17:56 -0400 (Fri, 11 Aug 2006) $$
+ */
+public class ConversationEnd extends ConversationalEvent {
+
+ public ConversationEnd(Object source, Object id) {
+ super(source, id);
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/ConversationStart.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/ConversationStart.java new file mode 100644 index 0000000000..5725369bf6 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/ConversationStart.java @@ -0,0 +1,31 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.component.event;
+
+/**
+ * Propagated when a conversation session has started
+ *
+ * @version $$Rev: 430937 $$ $$Date: 2006-08-11 21:17:56 -0400 (Fri, 11 Aug 2006) $$
+ */
+public class ConversationStart extends ConversationalEvent {
+
+ public ConversationStart(Object source, Object id) {
+ super(source, id);
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/ConversationalEvent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/ConversationalEvent.java new file mode 100644 index 0000000000..a75086e745 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/ConversationalEvent.java @@ -0,0 +1,39 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.component.event;
+
+/**
+ * A base implementation of conversational session events in the runtime
+ *
+ * @version $$Rev: 430937 $$ $$Date: 2006-08-11 21:17:56 -0400 (Fri, 11 Aug 2006) $$
+ */
+public class ConversationalEvent extends AbstractEvent {
+
+ private Object id;
+
+ public ConversationalEvent(Object source, Object id) {
+ super(source);
+ assert id != null : "Conversation id was null";
+ this.id = id;
+ }
+
+ public Object getId() {
+ return id;
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpRequestEnded.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpRequestEnded.java new file mode 100644 index 0000000000..01bd769031 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpRequestEnded.java @@ -0,0 +1,38 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.component.event;
+
+/**
+ * Propagated when an HTTP-based request has ended.
+ *
+ * @version $$Rev: 430937 $$ $$Date: 2006-08-11 21:17:56 -0400 (Fri, 11 Aug 2006) $$
+ */
+public class HttpRequestEnded extends HttpSessionEvent {
+
+ /**
+ * Creates a new event
+ *
+ * @param source the source of the event
+ * @param id the id of the HTTP session being ended
+ */
+ public HttpRequestEnded(Object source, Object id) {
+ super(source, id);
+ }
+
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpRequestStart.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpRequestStart.java new file mode 100644 index 0000000000..9d0ff80dd7 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpRequestStart.java @@ -0,0 +1,38 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.component.event;
+
+/**
+ * Propagated when an HTTP-based request has started
+ *
+ * @version $$Rev: 430937 $$ $$Date: 2006-08-11 21:17:56 -0400 (Fri, 11 Aug 2006) $$
+ */
+public class HttpRequestStart extends HttpSessionEvent {
+
+ /**
+ * Creates a new event
+ *
+ * @param source the source of the event
+ * @param id the id of the HTTP session being ended
+ */
+ public HttpRequestStart(Object source, Object id) {
+ super(source, id);
+ }
+
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionEnd.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionEnd.java new file mode 100644 index 0000000000..7f2bebe94a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionEnd.java @@ -0,0 +1,38 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +/** + * Propagated when an HTTP-based session is expired + * + * @version $$Rev$$ $$Date$$ + */ +public class HttpSessionEnd extends HttpSessionEvent { + + /** + * Creates a new event + * + * @param source the source of the event + * @param id the id of the HTTP session being ended + */ + public HttpSessionEnd(Object source, Object id) { + super(source, id); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionEvent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionEvent.java new file mode 100644 index 0000000000..ed245d0930 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionEvent.java @@ -0,0 +1,45 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +/** + * A base implementation of HTTP-based session events in the runtime + * + * @version $$Rev$$ $$Date$$ + */ +public abstract class HttpSessionEvent extends AbstractEvent { + + private Object id; + + public HttpSessionEvent(Object source, Object id) { + super(source); + assert id != null : "Session id was null"; + this.id = id; + } + + + public Object getSource() { + return source; + } + + public Object getId() { + return id; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionStart.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionStart.java new file mode 100644 index 0000000000..7f9c0fadea --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionStart.java @@ -0,0 +1,38 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +/** + * Propagated when an HTTP-based session has started + * + * @version $$Rev$$ $$Date$$ + */ +public class HttpSessionStart extends HttpSessionEvent { + + /** + * Creates a new event + * + * @param source the source of the event + * @param id the id of the HTTP session being ended + */ + public HttpSessionStart(Object source, Object id) { + super(source, id); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestEnd.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestEnd.java new file mode 100644 index 0000000000..25856e86f8 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestEnd.java @@ -0,0 +1,38 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +/** + * Propagated when a request completes or is ended + * + * @version $$Rev$$ $$Date$$ + */ +public class RequestEnd extends AbstractRequestEvent { + + /** + * Creates a new event + * + * @param source the source of the event + */ + public RequestEnd(Object source) { + super(source); + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestEvent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestEvent.java new file mode 100644 index 0000000000..9a6d767236 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestEvent.java @@ -0,0 +1,28 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +/** + * Implemented by runtime events associated request + * + * @version $$Rev$$ $$Date$$ + */ +public interface RequestEvent { + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestStart.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestStart.java new file mode 100644 index 0000000000..466f52551a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestStart.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.event; + +/** + * Propagated when a request is started in the runtime + * + * @version $$Rev$$ $$Date$$ + */ +public class RequestStart extends AbstractRequestEvent { + + /** + * Creates a new event + * + * @param source the source of the event + */ + public RequestStart(Object source) { + super(source); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/AbstractScopeContainer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/AbstractScopeContainer.java new file mode 100644 index 0000000000..cde61eaa5a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/AbstractScopeContainer.java @@ -0,0 +1,158 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + + +import java.util.List; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.CopyOnWriteArrayList; + +import org.apache.tuscany.spi.AbstractLifecycle; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.PersistenceException; +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.TargetNotFoundException; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.event.Event; +import org.apache.tuscany.spi.event.EventFilter; +import org.apache.tuscany.spi.event.RuntimeEventListener; +import org.apache.tuscany.spi.event.TrueFilter; + +/** + * Implements functionality common to scope contexts. + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractScopeContainer extends AbstractLifecycle implements ScopeContainer { + private static final EventFilter TRUE_FILTER = new TrueFilter(); + + protected WorkContext workContext; + protected ScopeContainerMonitor monitor; + private Map<EventFilter, List<RuntimeEventListener>> listeners; + + public AbstractScopeContainer(WorkContext workContext, ScopeContainerMonitor monitor) { + this.workContext = workContext; + this.monitor = monitor; + } + + public void addListener(RuntimeEventListener listener) { + addListener(TRUE_FILTER, listener); + } + + public void removeListener(RuntimeEventListener listener) { + assert listener != null; + synchronized (getListeners()) { + for (List<RuntimeEventListener> currentList : getListeners().values()) { + for (RuntimeEventListener current : currentList) { + if (current == listener) { + currentList.remove(current); + return; + } + } + } + } + } + + public void addListener(EventFilter filter, RuntimeEventListener listener) { + assert listener != null; + synchronized (getListeners()) { + List<RuntimeEventListener> list = getListeners().get(filter); + if (list == null) { + list = new CopyOnWriteArrayList<RuntimeEventListener>(); + listeners.put(filter, list); + } + list.add(listener); + } + } + + public void publish(Event event) { + assert event != null; + for (Map.Entry<EventFilter, List<RuntimeEventListener>> entry : getListeners().entrySet()) { + if (entry.getKey().match(event)) { + for (RuntimeEventListener listener : entry.getValue()) { + listener.onEvent(event); + } + } + } + } + + public Object getInstance(AtomicComponent component) throws TargetResolutionException { + InstanceWrapper ctx = getInstanceWrapper(component, true); + if (ctx != null) { + if (!ctx.isStarted()) { + ctx.start(); + } + return ctx.getInstance(); + } + return null; + } + + public Object getAssociatedInstance(AtomicComponent component) throws TargetResolutionException { + InstanceWrapper ctx = getInstanceWrapper(component, false); + if (ctx != null) { + if (!ctx.isStarted()) { + ctx.start(); + } + return ctx.getInstance(); + } + throw new TargetNotFoundException(component.getName()); + } + + public void persistNew(AtomicComponent component, String id, Object instance, long expiration) + throws PersistenceException { + throw new UnsupportedOperationException("Scope does not support persistence"); + + } + + public void persist(AtomicComponent component, String id, Object instance, long expiration) + throws PersistenceException { + throw new UnsupportedOperationException("Scope does not support persistence"); + } + + public void remove(AtomicComponent component) throws PersistenceException { + throw new UnsupportedOperationException("Scope does not support persistence"); + } + + protected Map<EventFilter, List<RuntimeEventListener>> getListeners() { + if (listeners == null) { + listeners = new ConcurrentHashMap<EventFilter, List<RuntimeEventListener>>(); + } + return listeners; + } + + protected void checkInit() { + if (getLifecycleState() != RUNNING) { + throw new IllegalStateException("Scope container not running [" + getLifecycleState() + "]"); + } + } + + protected WorkContext getWorkContext() { + return workContext; + } + + public String toString() { + return "In state [" + super.toString() + ']'; + } + + protected abstract InstanceWrapper getInstanceWrapper(AtomicComponent component, boolean create) + throws TargetResolutionException; +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/CompositeScopeContainer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/CompositeScopeContainer.java new file mode 100644 index 0000000000..21ff792282 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/CompositeScopeContainer.java @@ -0,0 +1,189 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.Comparator; +import java.util.List; +import java.util.ListIterator; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.TargetDestructionException; +import org.apache.tuscany.spi.component.TargetInitializationException; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.event.Event; +import org.apache.tuscany.spi.model.Scope; + +import org.apache.tuscany.core.component.event.CompositeStart; +import org.apache.tuscany.core.component.event.CompositeStop; + +/** + * A scope context which manages atomic component instances keyed by composite + * + * @version $Rev$ $Date$ + */ +public class CompositeScopeContainer extends AbstractScopeContainer { + private static final InstanceWrapper EMPTY = new EmptyWrapper(); + private static final ComponentInitComparator COMPARATOR = new ComponentInitComparator(); + + private final Map<AtomicComponent, InstanceWrapper> instanceWrappers; + // the queue of instanceWrappers to destroy, in the order that their instances were created + private final List<InstanceWrapper> destroyQueue; + + public CompositeScopeContainer(ScopeContainerMonitor monitor) { + super(null, monitor); + instanceWrappers = new ConcurrentHashMap<AtomicComponent, InstanceWrapper>(); + destroyQueue = new ArrayList<InstanceWrapper>(); + } + + public Scope getScope() { + return Scope.COMPOSITE; + } + + public void onEvent(Event event) { + checkInit(); + if (event instanceof CompositeStart) { + try { + eagerInitComponents(); + } catch (ObjectCreationException e) { + monitor.eagerInitializationError(e); + } catch (TargetResolutionException e) { + monitor.eagerInitializationError(e); + } + lifecycleState = RUNNING; + } else if (event instanceof CompositeStop) { + shutdownContexts(); + } + } + + public synchronized void start() { + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]"); + } + lifecycleState = RUNNING; + } + + public synchronized void stop() { + checkInit(); + instanceWrappers.clear(); + synchronized (destroyQueue) { + destroyQueue.clear(); + } + lifecycleState = STOPPED; + } + + /** + * Notifies instanceWrappers of a shutdown in reverse order to which they were started + */ + private void shutdownContexts() { + if (destroyQueue.size() == 0) { + return; + } + synchronized (destroyQueue) { + // shutdown destroyable instances in reverse instantiation order + ListIterator<InstanceWrapper> iter = destroyQueue.listIterator(destroyQueue.size()); + while (iter.hasPrevious()) { + try { + iter.previous().stop(); + } catch (TargetDestructionException e) { + monitor.destructionError(e); + } + } + destroyQueue.clear(); + } + } + + public void register(AtomicComponent component) { + checkInit(); + instanceWrappers.put(component, EMPTY); + } + + protected InstanceWrapper getInstanceWrapper(AtomicComponent component, boolean create) + throws TargetResolutionException { + checkInit(); + InstanceWrapper ctx = instanceWrappers.get(component); + assert ctx != null; + if (ctx == EMPTY && !create) { + return null; + } + if (ctx == EMPTY) { + ctx = new InstanceWrapperImpl(component, component.createInstance()); + ctx.start(); + instanceWrappers.put(component, ctx); + synchronized (destroyQueue) { + destroyQueue.add(ctx); + } + } + return ctx; + } + + private void eagerInitComponents() throws ObjectCreationException, TargetResolutionException { + List<AtomicComponent> componentList = new ArrayList<AtomicComponent>(instanceWrappers.keySet()); + Collections.sort(componentList, COMPARATOR); + // start each group + for (AtomicComponent component : componentList) { + if (component.getInitLevel() <= 0) { + // Don't eagerly init + continue; + } + // the instance could have been created from a depth-first traversal + InstanceWrapper ctx = instanceWrappers.get(component); + if (ctx == EMPTY) { + try { + ctx = new InstanceWrapperImpl(component, component.createInstance()); + } catch (ObjectCreationException e) { + e.addContextName(component.getName()); + throw e; + } + ctx.start(); + instanceWrappers.put(component, ctx); + destroyQueue.add(ctx); + } + } + } + + private static class ComponentInitComparator implements Comparator<AtomicComponent> { + public int compare(AtomicComponent o1, AtomicComponent o2) { + return o1.getInitLevel() - o2.getInitLevel(); + } + } + + private static class EmptyWrapper implements InstanceWrapper { + public Object getInstance() { + return null; + } + + public boolean isStarted() { + return true; + } + + public void start() throws TargetInitializationException { + + } + + public void stop() throws TargetDestructionException { + + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/CompositeScopeObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/CompositeScopeObjectFactory.java new file mode 100644 index 0000000000..a761f05d4b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/CompositeScopeObjectFactory.java @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.model.Scope; + +import org.apache.tuscany.api.annotation.Monitor; + +/** + * Creates a new composite scope context + * + * @version $$Rev$$ $$Date$$ + */ +@EagerInit +public class CompositeScopeObjectFactory implements ObjectFactory<CompositeScopeContainer> { + private ScopeContainerMonitor monitor; + + public CompositeScopeObjectFactory(@Autowire ScopeRegistry registry, + @Monitor ScopeContainerMonitor monitor) { + registry.registerFactory(Scope.COMPOSITE, this); + this.monitor = monitor; + } + + public CompositeScopeContainer getInstance() throws ObjectCreationException { + return new CompositeScopeContainer(monitor); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ConversationalScopeContainer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ConversationalScopeContainer.java new file mode 100644 index 0000000000..1a77f3ecb3 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ConversationalScopeContainer.java @@ -0,0 +1,217 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.component.scope;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.tuscany.spi.component.AtomicComponent;
+import org.apache.tuscany.spi.component.PersistenceException;
+import org.apache.tuscany.spi.component.SCAObject;
+import org.apache.tuscany.spi.component.ScopeContainer;
+import org.apache.tuscany.spi.component.ScopeContainerMonitor;
+import org.apache.tuscany.spi.component.TargetDestructionException;
+import org.apache.tuscany.spi.component.TargetNotFoundException;
+import org.apache.tuscany.spi.component.TargetResolutionException;
+import org.apache.tuscany.spi.component.WorkContext;
+import org.apache.tuscany.spi.event.Event;
+import org.apache.tuscany.spi.event.RuntimeEventListener;
+import org.apache.tuscany.spi.model.Scope;
+import org.apache.tuscany.spi.services.store.Store;
+import org.apache.tuscany.spi.services.store.StoreExpirationEvent;
+import org.apache.tuscany.spi.services.store.StoreReadException;
+import org.apache.tuscany.spi.services.store.StoreWriteException;
+
+/**
+ * A scope context which manages atomic component instances keyed on a conversation session
+ *
+ * @version $Rev: 452655 $ $Date: 2006-10-03 18:09:02 -0400 (Tue, 03 Oct 2006) $
+ */
+public class ConversationalScopeContainer extends AbstractScopeContainer implements ScopeContainer {
+ private Store nonDurableStore;
+ private Map<AtomicComponent, AtomicComponent> components;
+
+ public ConversationalScopeContainer(Store store, WorkContext workContext, final ScopeContainerMonitor monitor) {
+ super(workContext, monitor);
+ this.nonDurableStore = store;
+ if (store != null) {
+ store.addListener(new ExpirationListener(monitor));
+ }
+ components = new ConcurrentHashMap<AtomicComponent, AtomicComponent>();
+ }
+
+ public Scope getScope() {
+ return Scope.CONVERSATION;
+ }
+
+ public void onEvent(Event event) {
+ checkInit();
+ }
+
+ public synchronized void start() {
+ if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) {
+ throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]");
+ }
+ lifecycleState = RUNNING;
+ }
+
+ public synchronized void stop() {
+ lifecycleState = STOPPED;
+ }
+
+ public void register(AtomicComponent component) {
+ components.put(component, component);
+ component.addListener(this);
+ }
+
+ @Override
+ public Object getInstance(AtomicComponent component) throws TargetResolutionException {
+ String conversationId = getConversationId();
+ try {
+ workContext.setCurrentAtomicComponent(component);
+ Object instance = nonDurableStore.readRecord(component, conversationId);
+ if (instance != null) {
+ if (component.getMaxIdleTime() > 0) {
+ // update expiration
+ long expire = System.currentTimeMillis() + component.getMaxIdleTime();
+ nonDurableStore.updateRecord(component, conversationId, instance, expire);
+ }
+ } else {
+ instance = component.createInstance();
+ long expire = calculateExpiration(component);
+ nonDurableStore.insertRecord(component, conversationId, instance, expire);
+ component.init(instance);
+ }
+ return instance;
+ } catch (StoreReadException e) {
+ throw new TargetResolutionException("Error retrieving target instance", e);
+ } catch (StoreWriteException e) {
+ throw new TargetResolutionException("Error persisting target instance", e);
+ } finally {
+ workContext.setCurrentAtomicComponent(null);
+ }
+ }
+
+ public Object getAssociatedInstance(AtomicComponent component) throws TargetResolutionException {
+ String conversationId = getConversationId();
+ try {
+ workContext.setCurrentAtomicComponent(component);
+ Object instance = nonDurableStore.readRecord(component, conversationId);
+ if (instance != null) {
+ if (component.getMaxIdleTime() > 0) {
+ // update expiration
+ long expire = System.currentTimeMillis() + component.getMaxIdleTime();
+ nonDurableStore.updateRecord(component, conversationId, instance, expire);
+ }
+ return instance;
+ } else {
+ throw new TargetNotFoundException(component.getName());
+ }
+ } catch (StoreReadException e) {
+ throw new TargetResolutionException("Error retrieving target instance", e);
+ } catch (StoreWriteException e) {
+ throw new TargetResolutionException("Error persisting target instance", e);
+ } finally {
+ workContext.setCurrentAtomicComponent(null);
+ }
+ }
+
+ public void persistNew(AtomicComponent component, String id, Object instance, long expiration)
+ throws PersistenceException {
+ try {
+ nonDurableStore.insertRecord(component, id, instance, expiration);
+ } catch (StoreWriteException e) {
+ throw new PersistenceException(e);
+ }
+ }
+
+ public void persist(AtomicComponent component, String id, Object instance, long expiration)
+ throws PersistenceException {
+ try {
+ nonDurableStore.updateRecord(component, id, instance, expiration);
+ } catch (StoreWriteException e) {
+ throw new PersistenceException(e);
+ }
+ }
+
+ public void remove(AtomicComponent component) throws PersistenceException {
+ String conversationId = getConversationId();
+ try {
+ workContext.setCurrentAtomicComponent(component);
+ Object instance = nonDurableStore.readRecord(component, conversationId);
+ if (instance != null) {
+ nonDurableStore.removeRecord(component, conversationId);
+ }
+ } catch (StoreReadException e) {
+ throw new PersistenceException(e);
+ } catch (StoreWriteException e) {
+ throw new PersistenceException(e);
+ }
+ }
+
+ protected InstanceWrapper getInstanceWrapper(AtomicComponent component, boolean create) {
+ throw new UnsupportedOperationException();
+ }
+
+ /**
+ * Returns the conversation id associated with the current invocation context
+ */
+ private String getConversationId() {
+ String conversationId = (String) workContext.getIdentifier(Scope.CONVERSATION);
+ assert conversationId != null;
+ return conversationId;
+ }
+
+ private long calculateExpiration(AtomicComponent component) {
+ if (component.getMaxAge() > 0) {
+ long now = System.currentTimeMillis();
+ return now + component.getMaxAge();
+ } else if (component.getMaxIdleTime() > 0) {
+ long now = System.currentTimeMillis();
+ return now + component.getMaxIdleTime();
+ } else {
+ return Store.DEFAULT_EXPIRATION_OFFSET;
+ }
+ }
+
+ /**
+ * Receives expiration events from the store and notifies the corresponding atomic component
+ */
+ private static class ExpirationListener implements RuntimeEventListener {
+ private final ScopeContainerMonitor monitor;
+
+ public ExpirationListener(ScopeContainerMonitor monitor) {
+ this.monitor = monitor;
+ }
+
+ public void onEvent(Event event) {
+ if (event instanceof StoreExpirationEvent) {
+ StoreExpirationEvent expiration = (StoreExpirationEvent) event;
+ SCAObject object = expiration.getOwner();
+ assert object instanceof AtomicComponent;
+ AtomicComponent owner = (AtomicComponent) object;
+ try {
+ owner.destroy(expiration.getInstance());
+ } catch (TargetDestructionException e) {
+ monitor.destructionError(e);
+ }
+ }
+ }
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ConversationalScopeObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ConversationalScopeObjectFactory.java new file mode 100644 index 0000000000..32dfaed8d9 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ConversationalScopeObjectFactory.java @@ -0,0 +1,58 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.component.scope;
+
+import org.osoa.sca.annotations.EagerInit;
+
+import org.apache.tuscany.spi.ObjectCreationException;
+import org.apache.tuscany.spi.ObjectFactory;
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.component.ScopeContainerMonitor;
+import org.apache.tuscany.spi.component.ScopeRegistry;
+import org.apache.tuscany.spi.component.WorkContext;
+import org.apache.tuscany.spi.model.Scope;
+import org.apache.tuscany.spi.services.store.Store;
+
+import org.apache.tuscany.api.annotation.Monitor;
+
+/**
+ * Creates a new Session Scope context
+ *
+ * @version $$Rev: 450456 $$ $$Date: 2006-09-27 10:28:36 -0400 (Wed, 27 Sep 2006) $$
+ */
+@EagerInit
+public class ConversationalScopeObjectFactory implements ObjectFactory<ConversationalScopeContainer> {
+ private WorkContext context;
+ private Store store;
+ private ScopeContainerMonitor monitor;
+
+ public ConversationalScopeObjectFactory(@Autowire ScopeRegistry registry,
+ @Autowire WorkContext context,
+ @Autowire Store store,
+ @Monitor ScopeContainerMonitor monitor) {
+ registry.registerFactory(Scope.CONVERSATION, this);
+ this.context = context;
+ this.store = store;
+ this.monitor = monitor;
+ }
+
+ public ConversationalScopeContainer getInstance() throws ObjectCreationException {
+ return new ConversationalScopeContainer(store, context, monitor);
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java new file mode 100644 index 0000000000..83c79b2367 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java @@ -0,0 +1,135 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import java.util.ArrayList; +import java.util.List; +import java.util.ListIterator; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.TargetDestructionException; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.event.Event; +import org.apache.tuscany.spi.model.Scope; + +import org.apache.tuscany.core.component.event.HttpSessionEnd; + +/** + * A scope context which manages atomic component instances keyed on HTTP session + * + * @version $Rev$ $Date$ + */ +public class HttpSessionScopeContainer extends AbstractScopeContainer { + private final Map<AtomicComponent, Map<Object, InstanceWrapper>> contexts; + private final Map<Object, List<InstanceWrapper>> destroyQueues; + + public HttpSessionScopeContainer(WorkContext workContext, ScopeContainerMonitor monitor) { + super(workContext, monitor); + contexts = new ConcurrentHashMap<AtomicComponent, Map<Object, InstanceWrapper>>(); + destroyQueues = new ConcurrentHashMap<Object, List<InstanceWrapper>>(); + } + + public Scope getScope() { + return Scope.SESSION; + } + + public void onEvent(Event event) { + checkInit(); + if (event instanceof HttpSessionEnd) { + Object key = ((HttpSessionEnd) event).getId(); + shutdownInstances(key); + workContext.clearIdentifier(key); + } + } + + public synchronized void start() { + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]"); + } + lifecycleState = RUNNING; + } + + public synchronized void stop() { + contexts.clear(); + synchronized (destroyQueues) { + destroyQueues.clear(); + } + lifecycleState = STOPPED; + } + + public void register(AtomicComponent component) { + contexts.put(component, new ConcurrentHashMap<Object, InstanceWrapper>()); + component.addListener(this); + } + + protected InstanceWrapper getInstanceWrapper(AtomicComponent component, boolean create) + throws TargetResolutionException { + Object key = workContext.getIdentifier(Scope.SESSION); + assert key != null : "HTTP session key not bound in work context"; + return getInstance(component, key, create); + } + + private InstanceWrapper getInstance(AtomicComponent component, Object key, boolean create) + throws TargetResolutionException { + Map<Object, InstanceWrapper> wrappers = contexts.get(component); + InstanceWrapper ctx = wrappers.get(key); + if (ctx == null && !create) { + return null; + } + if (ctx == null) { + ctx = new InstanceWrapperImpl(component, component.createInstance()); + ctx.start(); + wrappers.put(key, ctx); + List<InstanceWrapper> destroyQueue = destroyQueues.get(key); + if (destroyQueue == null) { + destroyQueue = new ArrayList<InstanceWrapper>(); + destroyQueues.put(key, destroyQueue); + } + synchronized (destroyQueue) { + destroyQueue.add(ctx); + } + } + return ctx; + + } + + private void shutdownInstances(Object key) { + List<InstanceWrapper> destroyQueue = destroyQueues.remove(key); + if (destroyQueue != null) { + for (Map<Object, InstanceWrapper> map : contexts.values()) { + map.remove(key); + } + ListIterator<InstanceWrapper> iter = destroyQueue.listIterator(destroyQueue.size()); + synchronized (destroyQueue) { + while (iter.hasPrevious()) { + try { + iter.previous().stop(); + } catch (TargetDestructionException e) { + monitor.destructionError(e); + } + } + } + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeObjectFactory.java new file mode 100644 index 0000000000..14713f9144 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeObjectFactory.java @@ -0,0 +1,54 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.model.Scope; + +import org.apache.tuscany.api.annotation.Monitor; + +/** + * Creates a new HTTP session scope context + * + * @version $$Rev$$ $$Date$$ + */ +@EagerInit +public class HttpSessionScopeObjectFactory implements ObjectFactory<HttpSessionScopeContainer> { + private WorkContext context; + private ScopeContainerMonitor monitor; + + public HttpSessionScopeObjectFactory(@Autowire ScopeRegistry registry, + @Autowire WorkContext context, + @Monitor ScopeContainerMonitor monitor) { + registry.registerFactory(Scope.SESSION, this); + this.context = context; + this.monitor = monitor; + } + + public HttpSessionScopeContainer getInstance() throws ObjectCreationException { + return new HttpSessionScopeContainer(context, monitor); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapper.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapper.java new file mode 100644 index 0000000000..50f4a31128 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapper.java @@ -0,0 +1,41 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import org.apache.tuscany.spi.component.TargetDestructionException; +import org.apache.tuscany.spi.component.TargetInitializationException; + +/** + * Provides lifecycle management for an implementation instance associated with an {@link + * org.apache.tuscany.spi.component.AtomicComponent} for use by the atomic component's associated {@link + * org.apache.tuscany.spi.component.ScopeContainer} + * + * @version $Rev$ $Date$ + */ +public interface InstanceWrapper { + + Object getInstance(); + + boolean isStarted(); + + void start() throws TargetInitializationException; + + void stop() throws TargetDestructionException; + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapperImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapperImpl.java new file mode 100644 index 0000000000..c4648d1e7b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapperImpl.java @@ -0,0 +1,63 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.TargetDestructionException; +import org.apache.tuscany.spi.component.TargetInitializationException; + +/** + * Default implementation of an <code>InstanceWrapper</code> + * + * @version $$Rev$$ $$Date$$ + */ +public class InstanceWrapperImpl implements InstanceWrapper { + private Object instance; + private AtomicComponent component; + private boolean started; + + public InstanceWrapperImpl(AtomicComponent component, Object instance) { + assert component != null; + assert instance != null; + this.component = component; + this.instance = instance; + } + + public boolean isStarted() { + return started; + } + + public Object getInstance() { + if (!started) { + throw new IllegalStateException("Instance not started"); + } + return instance; + } + + public void start() throws TargetInitializationException { + component.init(instance); + started = true; + } + + public void stop() throws TargetDestructionException { + component.destroy(instance); + started = false; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeContainer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeContainer.java new file mode 100644 index 0000000000..22beaae740 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeContainer.java @@ -0,0 +1,126 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import java.util.ArrayList; +import java.util.List; +import java.util.ListIterator; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.TargetDestructionException; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.event.Event; +import org.apache.tuscany.spi.model.Scope; + +import org.apache.tuscany.core.component.event.RequestEnd; + +/** + * A scope context which manages atomic component instances keyed on the current request context + * + * @version $Rev$ $Date$ + */ +public class RequestScopeContainer extends AbstractScopeContainer { + private final Map<AtomicComponent, Map<Thread, InstanceWrapper>> contexts; + private final Map<Thread, List<InstanceWrapper>> destroyQueues; + + public RequestScopeContainer(WorkContext workContext, ScopeContainerMonitor monitor) { + super(workContext, monitor); + contexts = new ConcurrentHashMap<AtomicComponent, Map<Thread, InstanceWrapper>>(); + destroyQueues = new ConcurrentHashMap<Thread, List<InstanceWrapper>>(); + } + + public Scope getScope() { + return Scope.REQUEST; + } + + public void onEvent(Event event) { + checkInit(); + if (event instanceof RequestEnd) { + shutdownInstances(Thread.currentThread()); + } + } + + public synchronized void start() { + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]"); + } + lifecycleState = RUNNING; + } + + public synchronized void stop() { + contexts.clear(); + synchronized (destroyQueues) { + destroyQueues.clear(); + } + lifecycleState = STOPPED; + } + + public void register(AtomicComponent component) { + contexts.put(component, new ConcurrentHashMap<Thread, InstanceWrapper>()); + } + + protected InstanceWrapper getInstanceWrapper(AtomicComponent component, boolean create) + throws TargetResolutionException { + Map<Thread, InstanceWrapper> instanceContextMap = contexts.get(component); + assert instanceContextMap != null : "Atomic component not registered"; + InstanceWrapper ctx = instanceContextMap.get(Thread.currentThread()); + if (ctx == null && !create) { + return null; + } + if (ctx == null) { + ctx = new InstanceWrapperImpl(component, component.createInstance()); + ctx.start(); + instanceContextMap.put(Thread.currentThread(), ctx); + List<InstanceWrapper> destroyQueue = destroyQueues.get(Thread.currentThread()); + if (destroyQueue == null) { + destroyQueue = new ArrayList<InstanceWrapper>(); + destroyQueues.put(Thread.currentThread(), destroyQueue); + } + synchronized (destroyQueue) { + destroyQueue.add(ctx); + } + } + return ctx; + } + + private void shutdownInstances(Thread key) { + List<InstanceWrapper> destroyQueue = destroyQueues.remove(key); + if (destroyQueue != null && destroyQueue.size() > 0) { + Thread thread = Thread.currentThread(); + for (Map<Thread, InstanceWrapper> map : contexts.values()) { + map.remove(thread); + } + ListIterator<InstanceWrapper> iter = destroyQueue.listIterator(destroyQueue.size()); + synchronized (destroyQueue) { + while (iter.hasPrevious()) { + try { + iter.previous().stop(); + } catch (TargetDestructionException e) { + monitor.destructionError(e); + } + } + } + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeObjectFactory.java new file mode 100644 index 0000000000..0377bcd548 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeObjectFactory.java @@ -0,0 +1,47 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.WorkContext; + +import org.apache.tuscany.api.annotation.Monitor; + +/** + * Creates a new request scope context + * + * @version $$Rev$$ $$Date$$ + */ +public class RequestScopeObjectFactory implements ObjectFactory<RequestScopeContainer> { + private WorkContext context; + private ScopeContainerMonitor monitor; + + + public RequestScopeObjectFactory(@Autowire WorkContext context, @Monitor ScopeContainerMonitor monitor) { + this.context = context; + this.monitor = monitor; + } + + public RequestScopeContainer getInstance() throws ObjectCreationException { + return new RequestScopeContainer(context, monitor); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ScopeRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ScopeRegistryImpl.java new file mode 100644 index 0000000000..da338dd0ef --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ScopeRegistryImpl.java @@ -0,0 +1,63 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.model.Scope; + +/** + * The default implementation of a scope registry + * + * @version $Rev$ $Date$ + */ +public class ScopeRegistryImpl implements ScopeRegistry { + private final Map<Scope, ScopeContainer> scopeCache = + new ConcurrentHashMap<Scope, ScopeContainer>(); + private final Map<Scope, ObjectFactory<? extends ScopeContainer>> factoryCache = + new ConcurrentHashMap<Scope, ObjectFactory<? extends ScopeContainer>>(); + + public ScopeContainer getScopeContainer(Scope scope) { + assert Scope.COMPOSITE != scope; + ScopeContainer container = scopeCache.get(scope); + if (container == null) { + ObjectFactory<? extends ScopeContainer> factory = factoryCache.get(scope); + if (factory != null) { + container = factory.getInstance(); + container.start(); + scopeCache.put(scope, container); + } + } + return container; + } + + public <T extends ScopeContainer> void registerFactory(Scope scope, ObjectFactory<T> factory) { + factoryCache.put(scope, factory); + } + + public void deregisterFactory(Scope scope) { + factoryCache.remove(scope); + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeContainer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeContainer.java new file mode 100644 index 0000000000..cbd47b6cdd --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeContainer.java @@ -0,0 +1,75 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.event.Event; +import org.apache.tuscany.spi.model.Scope; + +/** + * A scope context which manages stateless atomic component instances in a non-pooled fashion + * + * @version $Rev$ $Date$ + */ +public class StatelessScopeContainer extends AbstractScopeContainer { + + public StatelessScopeContainer(WorkContext workContext, ScopeContainerMonitor monitor) { + super(workContext, monitor); + } + + public Scope getScope() { + return Scope.STATELESS; + } + + public synchronized void start() { + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Scope must be in UNINITIALIZED or STOPPED state [" + lifecycleState + "]"); + } + lifecycleState = RUNNING; + } + + public synchronized void stop() { + if (lifecycleState != RUNNING) { + throw new IllegalStateException("Scope in wrong state [" + lifecycleState + "]"); + } + lifecycleState = STOPPED; + } + + public void onEvent(Event event) { + } + + public void register(AtomicComponent component) { + checkInit(); + } + + protected InstanceWrapper getInstanceWrapper(AtomicComponent component, boolean create) + throws TargetResolutionException { + // there never is a previously associated instance, return null + if (!create) { + return null; + } + InstanceWrapper ctx = new InstanceWrapperImpl(component, component.createInstance()); + ctx.start(); + return ctx; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeObjectFactory.java new file mode 100644 index 0000000000..8e05510723 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeObjectFactory.java @@ -0,0 +1,54 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.component.scope; + +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.model.Scope; + +import org.apache.tuscany.api.annotation.Monitor; + +/** + * Creates a new stateless scope context + * + * @version $$Rev$$ $$Date$$ + */ +@EagerInit +public class StatelessScopeObjectFactory implements ObjectFactory<StatelessScopeContainer> { + private WorkContext context; + private ScopeContainerMonitor monitor; + + public StatelessScopeObjectFactory(@Autowire ScopeRegistry registry, + @Autowire WorkContext context, + @Monitor ScopeContainerMonitor monitor) { + registry.registerFactory(Scope.STATELESS, this); + this.context = context; + this.monitor = monitor; + } + + public StatelessScopeContainer getInstance() throws ObjectCreationException { + return new StatelessScopeContainer(context, monitor); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingInteceptor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingInteceptor.java new file mode 100644 index 0000000000..dcc772d01c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingInteceptor.java @@ -0,0 +1,130 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.databinding.impl; + +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.databinding.Mediator; +import org.apache.tuscany.spi.model.DataType; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.Message; +import org.apache.tuscany.spi.wire.Wire; + +/** + * An interceptor to transform data accross databindings on the wire + * + * @version $Rev$ $Date$ + */ +public class DataBindingInteceptor implements Interceptor { + private Interceptor next; + + private CompositeComponent compositeComponent; + + private Operation<?> sourceOperation; + + private Operation<?> targetOperation; + + private Mediator mediator; + + public DataBindingInteceptor(Wire sourceWire, Operation<?> sourceOperation, Operation<?> targetOperation) { + super(); + // this.sourceWire = sourceWire; + this.sourceOperation = sourceOperation; + // this.targetWire = targetWire; + this.targetOperation = targetOperation; + this.compositeComponent = sourceWire.getContainer().getParent(); + } + + /** + * @see org.apache.tuscany.spi.wire.Interceptor#getNext() + */ + public Interceptor getNext() { + return next; + } + + /** + * @see org.apache.tuscany.spi.wire.Interceptor#invoke(org.apache.tuscany.spi.wire.Message) + */ + public Message invoke(Message msg) { + Object input = transform(msg.getBody(), sourceOperation.getInputType(), targetOperation.getInputType()); + msg.setBody(input); + Message resultMsg = next.invoke(msg); + Object result = resultMsg.getBody(); + // FIXME: How to deal with faults? + if (resultMsg.isFault()) { + // We need to figure out what fault type it is and then transform it back the source fault type + // throw new InvocationRuntimeException((Throwable) result); + return resultMsg; + } else { + if (sourceOperation.isNonBlocking()) { + // Not to reset the message body + return resultMsg; + } + // FIXME: Should we fix the Operation model so that getOutputType returns DataType<DataType<T>>? + DataType<DataType> targetType = + new DataType<DataType>("idl:output", Object.class, targetOperation.getOutputType()); + + targetType.setOperation(targetOperation.getOutputType().getOperation()); + DataType<DataType> sourceType = + new DataType<DataType>("idl:output", Object.class, sourceOperation.getOutputType()); + sourceType.setOperation(sourceOperation.getOutputType().getOperation()); + + Object newResult = transform(result, targetType, sourceType); + if (newResult != result) { + resultMsg.setBody(newResult); + } + } + return resultMsg; + } + + private Object transform(Object source, DataType sourceType, DataType targetType) { + if (sourceType == targetType || (sourceType != null && sourceType.equals(targetType))) { + return source; + } + Map<Class<?>, Object> metadata = new HashMap<Class<?>, Object>(); + metadata.put(CompositeComponent.class, compositeComponent); + return mediator.mediate(source, sourceType, targetType, metadata); + } + + /** + * @see org.apache.tuscany.spi.wire.Interceptor#isOptimizable() + */ + public boolean isOptimizable() { + return false; + } + + /** + * @see org.apache.tuscany.spi.wire.Interceptor#setNext(org.apache.tuscany.spi.wire.Interceptor) + */ + public void setNext(Interceptor next) { + this.next = next; + } + + /** + * @param mediator the mediator to set + */ + public void setMediator(Mediator mediator) { + this.mediator = mediator; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingJavaInterfaceProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingJavaInterfaceProcessor.java new file mode 100644 index 0000000000..046578ae66 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingJavaInterfaceProcessor.java @@ -0,0 +1,121 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.databinding.impl; + +import java.lang.reflect.Method; +import java.lang.reflect.Type; +import java.math.BigDecimal; +import java.math.BigInteger; +import java.util.Arrays; +import java.util.Calendar; +import java.util.Date; +import java.util.GregorianCalendar; +import java.util.HashSet; +import java.util.Map; +import java.util.Set; +import javax.xml.datatype.Duration; +import javax.xml.datatype.XMLGregorianCalendar; + +import org.apache.tuscany.spi.idl.InvalidServiceContractException; +import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessorExtension; +import org.apache.tuscany.spi.idl.java.JavaServiceContract; +import org.apache.tuscany.spi.model.Operation; + +import org.apache.tuscany.api.annotation.DataContext; +import org.apache.tuscany.api.annotation.DataType; + +/** + * The databinding annotation processor for java interfaces + * + * @version $Rev$ $Date$ + */ +public class DataBindingJavaInterfaceProcessor extends JavaInterfaceProcessorExtension { + + private static final String SIMPLE_JAVA_OBJECTS = "java.lang.Object"; + + private static final Class[] SIMPLE_JAVA_TYPES = + {Byte.class, Character.class, Short.class, Integer.class, Long.class, Float.class, Double.class, Date.class, + Calendar.class, GregorianCalendar.class, Duration.class, XMLGregorianCalendar.class, BigInteger.class, + BigDecimal.class}; + + private static final Set<Class> SIMPLE_TYPE_SET = new HashSet<Class>(Arrays.asList(SIMPLE_JAVA_TYPES)); + + public void visitInterface(Class<?> clazz, Class<?> callbackClass, JavaServiceContract contract) + throws InvalidServiceContractException { + Map<String, Operation<Type>> operations = contract.getOperations(); + processInterface(clazz, contract, operations); + if (callbackClass != null) { + Map<String, Operation<Type>> callbackOperations = contract.getCallbackOperations(); + processInterface(callbackClass, contract, callbackOperations); + } + } + + private void processInterface(Class<?> clazz, + JavaServiceContract contract, + Map<String, Operation<Type>> operations) { + DataType interfaceDataType = clazz.getAnnotation(DataType.class); + if (interfaceDataType != null) { + contract.setDataBinding(interfaceDataType.name()); + // FIXME: [rfeng] Keep data context as metadata? + for (DataContext c : interfaceDataType.context()) { + contract.setMetaData(c.key(), c.value()); + } + } + for (Method method : clazz.getMethods()) { + Operation<?> operation = operations.get(method.getName()); + DataType operationDataType = method.getAnnotation(DataType.class); + + if (operationDataType != null) { + operation.setDataBinding(operationDataType.name()); + // FIXME: [rfeng] Keep data context as metadata? + for (DataContext c : operationDataType.context()) { + operation.setMetaData(c.key(), c.value()); + } + } + + String dataBinding = operation.getDataBinding(); + + // FIXME: We need a better way to identify simple java types + for (org.apache.tuscany.spi.model.DataType<?> d : operation.getInputType().getLogical()) { + adjustSimpleType(d, dataBinding); + } + if (operation.getOutputType() != null) { + adjustSimpleType(operation.getOutputType(), dataBinding); + } + for (org.apache.tuscany.spi.model.DataType<?> d : operation.getFaultTypes()) { + adjustSimpleType(d, dataBinding); + } + } + } + + private void adjustSimpleType(org.apache.tuscany.spi.model.DataType<?> dataType, String dataBinding) { + Type type = dataType.getPhysical(); + if (!(type instanceof Class)) { + return; + } + Class cls = (Class) dataType.getPhysical(); + if (cls.isPrimitive() || SIMPLE_TYPE_SET.contains(cls)) { + dataType.setDataBinding(SIMPLE_JAVA_OBJECTS); + } else if (cls == String.class && (dataBinding == null || !dataBinding.equals(String.class.getName()))) { + // Identify the String as a simple type + dataType.setDataBinding(SIMPLE_JAVA_OBJECTS); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingRegistryImpl.java new file mode 100644 index 0000000000..4fe7a4efa7 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingRegistryImpl.java @@ -0,0 +1,80 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.databinding.impl; + +import java.util.HashMap; +import java.util.Map; + +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.databinding.DataBinding; +import org.apache.tuscany.spi.databinding.DataBindingRegistry; +import org.apache.tuscany.spi.model.DataType; + +/** + * The default implementation of a data binding registry + * + * @version $Rev$ $Date$ + */ +@EagerInit +public class DataBindingRegistryImpl implements DataBindingRegistry { + private final Map<String, DataBinding> bindings = new HashMap<String, DataBinding>(); + + public DataBinding getDataBinding(String id) { + if (id == null) { + return null; + } + return bindings.get(id.toLowerCase()); + } + + public void register(DataBinding dataBinding) { + bindings.put(dataBinding.getName().toLowerCase(), dataBinding); + } + + public DataBinding unregister(String id) { + if (id == null) { + return null; + } + return bindings.remove(id.toLowerCase()); + } + + public DataType introspectType(Class<?> javaType) { + DataType dataType; + for (DataBinding binding : bindings.values()) { + dataType = binding.introspect(javaType); + if (dataType != null) { + return dataType; + } + } + return null; + } + + public DataType introspectType(Object value) { + DataType dataType; + for (DataBinding binding : bindings.values()) { + dataType = binding.introspect(value); + if (dataType != null) { + return dataType; + } + } + return null; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingWirePostProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingWirePostProcessor.java new file mode 100644 index 0000000000..e687a161eb --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingWirePostProcessor.java @@ -0,0 +1,157 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.databinding.impl; + +import java.util.Map; +import java.util.Set; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.ReferenceBinding; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.databinding.Mediator; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.InboundInvocationChain; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.WirePostProcessorExtension; +import org.osoa.sca.annotations.Constructor; + +/** + * This processor is responsible to add an interceptor to invocation chain if the source and target operations have + * different databinding requirements + * + * @version $Rev$ $Date$ + */ +public class DataBindingWirePostProcessor extends WirePostProcessorExtension { + private Mediator mediator; + + @Constructor({"mediator"}) + public DataBindingWirePostProcessor(@Autowire Mediator mediator) { + super(); + this.mediator = mediator; + } + + public void process(OutboundWire source, InboundWire target) { + Map<Operation<?>, OutboundInvocationChain> chains = source.getInvocationChains(); + for (Map.Entry<Operation<?>, OutboundInvocationChain> entry : chains.entrySet()) { + Operation<?> sourceOperation = entry.getKey(); + Operation<?> targetOperation = + getTargetOperation(target.getInvocationChains().keySet(), sourceOperation.getName()); + String sourceDataBinding = sourceOperation.getDataBinding(); + String targetDataBinding = targetOperation.getDataBinding(); + if (sourceDataBinding == null && targetDataBinding == null) { + continue; + } + if (sourceDataBinding == null || targetDataBinding == null + || !sourceDataBinding.equals(targetDataBinding)) { + // Add the interceptor to the source side because multiple + // references can be wired + // to the same service + DataBindingInteceptor interceptor = + new DataBindingInteceptor(source, sourceOperation, targetOperation); + interceptor.setMediator(mediator); + entry.getValue().addInterceptor(0, interceptor); + } + } + + // Check if there's a callback + Map callbackOperations = source.getServiceContract().getCallbackOperations(); + if (callbackOperations == null || callbackOperations.isEmpty()) { + return; + } + Object targetAddress = source.getContainer().getName(); + Map<Operation<?>, OutboundInvocationChain> callbackChains = + target.getSourceCallbackInvocationChains(targetAddress); + if (callbackChains == null) { + // callback chains could be null + return; + } + for (Map.Entry<Operation<?>, OutboundInvocationChain> entry : callbackChains.entrySet()) { + Operation<?> sourceOperation = entry.getKey(); + Operation<?> targetOperation = + getTargetOperation(source.getTargetCallbackInvocationChains().keySet(), sourceOperation + .getName()); + String sourceDataBinding = sourceOperation.getDataBinding(); + String targetDataBinding = targetOperation.getDataBinding(); + if (sourceDataBinding == null && targetDataBinding == null) { + continue; + } + if (sourceDataBinding == null || targetDataBinding == null + || !sourceDataBinding.equals(targetDataBinding)) { + // Add the interceptor to the source side because multiple + // references can be wired + // to the same service + DataBindingInteceptor interceptor = + new DataBindingInteceptor(source, sourceOperation, targetOperation); + interceptor.setMediator(mediator); + entry.getValue().addInterceptor(0, interceptor); + } + } + } + + public void process(InboundWire source, OutboundWire target) { + SCAObject container = source.getContainer(); + // Either Service or Reference + boolean isReference = container instanceof ReferenceBinding; + + Map<Operation<?>, InboundInvocationChain> chains = source.getInvocationChains(); + for (Map.Entry<Operation<?>, InboundInvocationChain> entry : chains.entrySet()) { + Operation<?> sourceOperation = entry.getKey(); + Operation<?> targetOperation = + getTargetOperation(target.getInvocationChains().keySet(), sourceOperation.getName()); + String sourceDataBinding = sourceOperation.getDataBinding(); + String targetDataBinding = targetOperation.getDataBinding(); + if (sourceDataBinding == null && targetDataBinding == null) { + continue; + } + if (sourceDataBinding == null || targetDataBinding == null + || !sourceDataBinding.equals(targetDataBinding)) { + // Add the interceptor to the source side + DataBindingInteceptor interceptor = + new DataBindingInteceptor(source, sourceOperation, targetOperation); + interceptor.setMediator(mediator); + if (isReference) { + // FIXME: We need a better way to position the interceptors + target.getInvocationChains().get(targetOperation).addInterceptor(0, interceptor); + Interceptor tail = entry.getValue().getTailInterceptor(); + if (tail != null) { + // HACK to relink the bridging interceptor + tail.setNext(interceptor); + } + } else { + entry.getValue().addInterceptor(0, interceptor); + } + + } + } + } + + private Operation getTargetOperation(Set<Operation<?>> operations, String operationName) { + for (Operation<?> op : operations) { + if (op.getName().equals(operationName)) { + return op; + } + } + return null; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataTypeLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataTypeLoader.java new file mode 100644 index 0000000000..10731f8c53 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataTypeLoader.java @@ -0,0 +1,67 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.impl; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.InvalidValueException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.LoaderUtil; +import org.apache.tuscany.spi.model.DataType; +import org.apache.tuscany.spi.model.ModelObject; + +import org.osoa.sca.annotations.Constructor; + +/** + * The StAX loader for data type + */ +public class DataTypeLoader extends LoaderExtension<DataType> { + public static final QName DATA_BINDING = + new QName("http://tuscany.apache.org/xmlns/sca/databinding/1.0", "databinding"); + + @Constructor({"registry"}) + public DataTypeLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + @Override + public QName getXMLType() { + return DATA_BINDING; + } + + public DataType load(CompositeComponent parent, + ModelObject object, XMLStreamReader reader, + DeploymentContext deploymentContext) throws XMLStreamException, LoaderException { + assert DATA_BINDING.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + LoaderUtil.skipToEndElement(reader); + if (name == null) { + throw new InvalidValueException("The 'name' attrbiute is required"); + } + DataType dataType = new DataType<Class>(name, Object.class, Object.class); + return dataType; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DirectedGraph.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DirectedGraph.java new file mode 100755 index 0000000000..02adf5860c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DirectedGraph.java @@ -0,0 +1,357 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.impl; + +import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; +import java.util.Set; + +/** + * Directed, weighted graph + * + * @param <V> The type of vertex object + * @param <E> The type of edge object + */ +public class DirectedGraph<V, E> { + private final Map<V, Vertex> vertices = new HashMap<V, Vertex>(); + + /** + * Key for the shortest path cache + */ + private final class VertexPair { + private Vertex source; + + private Vertex target; + + /** + * @param source + * @param target + */ + private VertexPair(Vertex source, Vertex target) { + super(); + this.source = source; + this.target = target; + } + + public boolean equals(Object object) { + if (!VertexPair.class.isInstance(object)) { + return false; + } + VertexPair pair = (VertexPair)object; + return source == pair.source && target == pair.target; + } + + public int hashCode() { + int x = source == null ? 0 : source.hashCode(); + int y = target == null ? 0 : target.hashCode(); + return x ^ y; + } + + } + + private final Map<VertexPair, Path> paths = new HashMap<VertexPair, Path>(); + + /** + * Vertex of a graph + */ + public final class Vertex { + private V value; + + // TODO: Do we want to support multiple edges for a vertex pair? If so, + // we should use a List instead of Map + private Map<Vertex, Edge> outEdges = new HashMap<Vertex, Edge>(); + + private Vertex(V value) { + this.value = value; + } + + public String toString() { + return "(" + value + ")"; + } + + public V getValue() { + return value; + } + + public Map<Vertex, Edge> getOutEdges() { + return outEdges; + } + + } + + /** + * An Edge connects two vertices in one direction + */ + public final class Edge { + private Vertex sourceVertex; + + private Vertex targetVertex; + + private E value; + + private int weight; + + public Edge(Vertex source, Vertex target, E value, int weight) { + this.sourceVertex = source; + this.targetVertex = target; + this.value = value; + this.weight = weight; + } + + public String toString() { + return sourceVertex + "->" + targetVertex + "[" + value + "," + weight + "]"; + } + + public E getValue() { + return value; + } + + public void setValue(E value) { + this.value = value; + } + + public Vertex getTargetVertex() { + return targetVertex; + } + + public void setTargetVertex(Vertex vertex) { + this.targetVertex = vertex; + } + + public int getWeight() { + return weight; + } + + public void setWeight(int weight) { + this.weight = weight; + } + + public Vertex getSourceVertex() { + return sourceVertex; + } + + public void setSourceVertex(Vertex sourceVertex) { + this.sourceVertex = sourceVertex; + } + } + + private final class Node implements Comparable<Node> { + + private long distance = Integer.MAX_VALUE; + + private Node previous; // NOPMD by rfeng on 9/26/06 9:17 PM + + private Vertex vertex; // NOPMD by rfeng on 9/26/06 9:17 PM + + private Node(Vertex vertex) { + this.vertex = vertex; + } + + public int compareTo(Node o) { + return (distance > o.distance) ? 1 : ((distance == o.distance) ? 0 : -1); + } + } + + public void addEdge(V source, V target, E edgeValue, int weight) { + Vertex s = getVertex(source); + if (s == null) { + s = new Vertex(source); + vertices.put(source, s); + } + Vertex t = getVertex(target); + if (t == null) { + t = new Vertex(target); + vertices.put(target, t); + } + Edge edge = new Edge(s, t, edgeValue, weight); + s.outEdges.put(t, edge); + } + + public Vertex getVertex(V source) { + Vertex s = vertices.get(source); + return s; + } + + public boolean removeEdge(V source, V target) { + Vertex s = getVertex(source); + if (s == null) { + return false; + } + + Vertex t = getVertex(target); + if (t == null) { + return false; + } + + return s.outEdges.remove(t) != null; + + } + + public Edge getEdge(Vertex source, Vertex target) { + return source.outEdges.get(target); + } + + public Edge getEdge(V source, V target) { + return getEdge(getVertex(source), getVertex(target)); + } + + /** + * Get the shortes path from the source vertex to the target vertex using + * Dijkstra's algorithm. If there's no path, null will be returned. If the + * source is the same as the target, it returns a path with empty edges with + * weight 0. + * + * @param sourceValue The value identifies the source + * @param targetValue The value identifies the target + * @return The shortest path + */ + public Path getShortestPath(V sourceValue, V targetValue) { + Vertex source = getVertex(sourceValue); + if (source == null) { + return null; + } + Vertex target = getVertex(targetValue); + if (target == null) { + return null; + } + + VertexPair pair = new VertexPair(source, target); + if (paths.containsKey(pair)) { + return paths.get(pair); + } + + // HACK: To support same vertex + if (source == target) { + Path path = new Path(); + Edge edge = getEdge(source, target); + if (edge != null) { + path.addEdge(edge); + } + paths.put(pair, path); + return path; + } + + Map<Vertex, Node> nodes = new HashMap<Vertex, Node>(); + for (Vertex v : vertices.values()) { + Node node = new Node(v); + if (v == source) { + node.distance = 0; + } + nodes.put(v, node); + } + + Set<Node> otherNodes = new HashSet<Node>(nodes.values()); + Set<Node> nodesOnPath = new HashSet<Node>(); + while (!otherNodes.isEmpty()) { + Node nextNode = extractMin(otherNodes); + if (nextNode.vertex == target) { + Path path = getPath(nextNode); + paths.put(pair, path); // Cache it + return path; + } + nodesOnPath.add(nextNode); + for (Edge edge : nextNode.vertex.outEdges.values()) { + Node adjacentNode = nodes.get(edge.targetVertex); + if (nextNode.distance + edge.weight < adjacentNode.distance) { + adjacentNode.distance = nextNode.distance + edge.weight; + adjacentNode.previous = nextNode; + } + } + } + paths.put(pair, null); // Cache it + return null; + } + + /** + * Searches for the vertex u in the vertex set Q that has the least d[u] + * value. That vertex is removed from the set Q and returned to the user. + * + * @param nodes + * @return + */ + private Node extractMin(Set<Node> nodes) { + Node node = Collections.min(nodes); + nodes.remove(node); + return node; + } + + /** + * The path between two vertices + */ + public final class Path { + private List<Edge> edges = new LinkedList<Edge>(); + + private int weight; + + public int getWeight() { + return weight; + } + + public List<Edge> getEdges() { + return edges; + } + + public void addEdge(Edge edge) { + edges.add(0, edge); + weight += edge.weight; + } + + public String toString() { + return edges + ", " + weight; + } + } + + private Path getPath(Node t) { + if (t.distance == Integer.MAX_VALUE) { + return null; + } + Path path = new Path(); + Node u = t; + while (u.previous != null) { + Edge edge = getEdge(u.previous.vertex, u.vertex); + path.addEdge(edge); + u = u.previous; + } + return path; + } + + public String toString() { + StringBuffer sb = new StringBuffer(); + for (Vertex v : vertices.values()) { + sb.append(v.outEdges.values()).append("\n"); + } + return sb.toString(); + } + + public Map<V, Vertex> getVertices() { + return vertices; + } + + public void addGraph(DirectedGraph<V, E> otherGraph) { + for (Vertex v : otherGraph.vertices.values()) { + for (Edge e : v.outEdges.values()) { + addEdge(e.sourceVertex.value, e.targetVertex.value, e.value, e.weight); + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Input2InputTransformer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Input2InputTransformer.java new file mode 100644 index 0000000000..8bfeb534f3 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Input2InputTransformer.java @@ -0,0 +1,217 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.databinding.impl; + +import java.util.List; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.databinding.DataBinding; +import org.apache.tuscany.spi.databinding.DataBindingRegistry; +import org.apache.tuscany.spi.databinding.Mediator; +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.WrapperHandler; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.apache.tuscany.spi.idl.ElementInfo; +import org.apache.tuscany.spi.model.WrapperInfo; +import org.apache.tuscany.spi.model.DataType; +import org.apache.tuscany.spi.model.Operation; + +import org.osoa.sca.annotations.Service; + +/** + * This is a special transformer to transform the input from one IDL to the + * other one + */ +@Service(Transformer.class) +public class Input2InputTransformer extends TransformerExtension<Object[], Object[]> implements + PullTransformer<Object[], Object[]> { + + private static final String IDL_INPUT = "idl:input"; + + protected DataBindingRegistry dataBindingRegistry; + + protected Mediator mediator; + + public Input2InputTransformer() { + super(); + } + + @Override + public String getSourceDataBinding() { + return IDL_INPUT; + } + + @Override + public String getTargetDataBinding() { + return IDL_INPUT; + } + + /** + * @param mediator the mediator to set + */ + @Autowire + public void setMediator(Mediator mediator) { + this.mediator = mediator; + } + + /** + * @param dataBindingRegistry the dataBindingRegistry to set + */ + @Autowire + public void setDataBindingRegistry(DataBindingRegistry dataBindingRegistry) { + this.dataBindingRegistry = dataBindingRegistry; + } + + /** + * @see org.apache.tuscany.spi.databinding.extension.TransformerExtension#getSourceType() + */ + @Override + protected Class getSourceType() { + return Object[].class; + } + + /** + * @see org.apache.tuscany.spi.databinding.extension.TransformerExtension#getTargetType() + */ + @Override + protected Class getTargetType() { + return Object[].class; + } + + /** + * @see org.apache.tuscany.spi.databinding.Transformer#getWeight() + */ + public int getWeight() { + return 10000; + } + + @SuppressWarnings("unchecked") + public Object[] transform(Object[] source, TransformationContext context) { + DataType<List<DataType<?>>> sourceType = context.getSourceDataType(); + Operation<?> sourceOp = (Operation<?>)sourceType.getOperation(); + boolean sourceWrapped = sourceOp != null && sourceOp.isWrapperStyle(); + + WrapperHandler sourceWrapperHandler = null; + if (sourceWrapped) { + sourceWrapperHandler = getWapperHandler(sourceType.getOperation().getDataBinding(), true); + } + + DataType<List<DataType<QName>>> targetType = context.getTargetDataType(); + Operation<?> targetOp = (Operation<?>)targetType.getOperation(); + boolean targetWrapped = targetOp != null && targetOp.isWrapperStyle(); + WrapperHandler targetWrapperHandler = null; + if (targetWrapped) { + targetWrapperHandler = getWapperHandler(targetType.getOperation().getDataBinding(), true); + } + + if ((!sourceWrapped) && targetWrapped) { + // Unwrapped --> Wrapped + WrapperInfo wrapper = targetOp.getWrapper(); + ElementInfo wrapperElement = wrapper.getInputWrapperElement(); + + // If the source can be wrapped, wrapped it first + if (sourceWrapperHandler != null) { + Object sourceWrapper = sourceWrapperHandler.create(wrapperElement, context); + for (int i = 0; i < source.length; i++) { + ElementInfo argElement = wrapper.getInputChildElements().get(i); + sourceWrapperHandler.setChild(sourceWrapper, i, argElement, source[0]); + } + } + Object targetWrapper = targetWrapperHandler.create(wrapperElement, context); + if (source == null) { + return new Object[] {targetWrapper}; + } + List<DataType<QName>> argTypes = wrapper.getUnwrappedInputType().getLogical(); + + for (int i = 0; i < source.length; i++) { + ElementInfo argElement = wrapper.getInputChildElements().get(i); + DataType<QName> argType = argTypes.get(i); + Object child = source[i]; + child = + mediator.mediate(source[i], sourceType.getLogical().get(i), argType, context + .getMetadata()); + targetWrapperHandler.setChild(targetWrapper, i, argElement, child); + } + return new Object[] {targetWrapper}; + } else if (sourceWrapped && (!targetWrapped)) { + // Wrapped to Unwrapped + Object sourceWrapper = source[0]; + List<ElementInfo> childElements = sourceOp.getWrapper().getInputChildElements(); + Object[] target = new Object[childElements.size()]; + + targetWrapperHandler = getWapperHandler(targetType.getOperation().getDataBinding(), false); + if (targetWrapperHandler != null) { + ElementInfo wrapperElement = sourceOp.getWrapper().getInputWrapperElement(); + // Object targetWrapper = + // targetWrapperHandler.create(wrapperElement, context); + DataType<QName> targetWrapperType = + new DataType<QName>(targetType.getOperation().getDataBinding(), Object.class, + wrapperElement.getQName()); + Object targetWrapper = + mediator.mediate(sourceWrapper, + sourceType.getLogical().get(0), + targetWrapperType, + context.getMetadata()); + for (int i = 0; i < childElements.size(); i++) { + ElementInfo childElement = childElements.get(i); + target[i] = targetWrapperHandler.getChild(targetWrapper, i, childElement); + } + } else { + for (int i = 0; i < childElements.size(); i++) { + ElementInfo childElement = childElements.get(i); + Object child = sourceWrapperHandler.getChild(sourceWrapper, i, childElement); + DataType<QName> childType = + sourceOp.getWrapper().getUnwrappedInputType().getLogical().get(i); + target[i] = + mediator.mediate(child, childType, targetType.getLogical().get(i), context + .getMetadata()); + } + } + return target; + } else { + // Assuming wrapper to wrapper conversion can be handled here as + // well + Object[] newArgs = new Object[source.length]; + for (int i = 0; i < source.length; i++) { + Object child = + mediator.mediate(source[i], sourceType.getLogical().get(i), targetType.getLogical() + .get(i), context.getMetadata()); + newArgs[i] = child; + } + return newArgs; + } + } + + private WrapperHandler getWapperHandler(String dataBindingId, boolean required) { + DataBinding dataBinding = dataBindingRegistry.getDataBinding(dataBindingId); + WrapperHandler wrapperHandler = dataBinding == null ? null : dataBinding.getWrapperHandler(); + if (wrapperHandler == null && required) { + throw new TransformationException( + "No wrapper handler is provided for databinding: " + dataBindingId); + } + return wrapperHandler; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/MediatorImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/MediatorImpl.java new file mode 100644 index 0000000000..0093c0de91 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/MediatorImpl.java @@ -0,0 +1,171 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.impl; + +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.databinding.DataBindingRegistry; +import org.apache.tuscany.spi.databinding.DataPipe; +import org.apache.tuscany.spi.databinding.Mediator; +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.TransformerRegistry; +import org.apache.tuscany.spi.model.DataType; +import org.osoa.sca.annotations.Scope; + +/** + * Default Mediator implementation + */ +@Scope("COMPOSITE") +public class MediatorImpl implements Mediator { + + private DataBindingRegistry dataBindingRegistry; + + private TransformerRegistry transformerRegistry; + + @Autowire + public void setTransformerRegistry(TransformerRegistry transformerRegistry) { + this.transformerRegistry = transformerRegistry; + } + + /** + * @param dataBindingRegistry the dataBindingRegistry to set + */ + @Autowire + public void setDataBindingRegistry(DataBindingRegistry dataBindingRegistry) { + this.dataBindingRegistry = dataBindingRegistry; + } + + /** + * @see org.apache.tuscany.spi.databinding.Mediator#mediate(java.lang.Object, + * org.apache.tuscany.spi.model.DataType, + * org.apache.tuscany.spi.model.DataType, Map) + */ + @SuppressWarnings("unchecked") + public Object mediate(Object source, + DataType sourceDataType, + DataType targetDataType, + Map<Class<?>, Object> metadata) { + if (sourceDataType == null) { + sourceDataType = dataBindingRegistry.introspectType(source); + } + if (sourceDataType == null) { + return source; + } else if (sourceDataType.equals(targetDataType)) { + return source; + } + + List<Transformer> path = getTransformerChain(sourceDataType, targetDataType); + + Object result = source; + int size = path.size(); + int i = 0; + while (i < size) { + Transformer transformer = path.get(i); + TransformationContext context = + createTransformationContext(sourceDataType, targetDataType, size, i, transformer, metadata); + // the source and target type + if (transformer instanceof PullTransformer) { + // For intermediate node, set data type to null + result = ((PullTransformer)transformer).transform(result, context); + } else if (transformer instanceof PushTransformer) { + DataPipe dataPipe = (i < size - 1) ? (DataPipe)path.get(++i) : null; + ((PushTransformer)transformer).transform(result, dataPipe.getSink(), context); + result = dataPipe.getResult(); + } + i++; + } + + return result; + } + + private TransformationContext createTransformationContext(DataType sourceDataType, + DataType targetDataType, + int size, + int index, + Transformer transformer, + Map<Class<?>, Object> metadata) { + DataType sourceType = + (index == 0) ? sourceDataType : new DataType<Object>(transformer.getSourceDataBinding(), + Object.class, null); + DataType targetType = + (index == size - 1) ? targetDataType : new DataType<Object>(transformer.getTargetDataBinding(), + Object.class, null); + ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); + TransformationContext context = + new TransformationContextImpl(sourceType, targetType, classLoader, metadata); + return context; + } + + @SuppressWarnings("unchecked") + public void mediate(Object source, + Object target, + DataType sourceDataType, + DataType targetDataType, + Map<Class<?>, Object> metadata) { + if (source == null) { + // Shortcut for null value + return; + } + if (sourceDataType == null) { + sourceDataType = dataBindingRegistry.introspectType(source); + } + if (sourceDataType == null) { + return; + } else if (sourceDataType.equals(targetDataType)) { + return; + } + + List<Transformer> path = getTransformerChain(sourceDataType, targetDataType); + Object result = source; + int size = path.size(); + for (int i = 0; i < size; i++) { + Transformer transformer = path.get(i); + TransformationContext context = + createTransformationContext(sourceDataType, targetDataType, size, i, transformer, metadata); + + if (transformer instanceof PullTransformer) { + result = ((PullTransformer)transformer).transform(result, context); + } else if (transformer instanceof PushTransformer) { + DataPipe dataPipe = (i < size - 1) ? (DataPipe)path.get(++i) : null; + Object sink = dataPipe != null ? dataPipe.getSink() : target; + ((PushTransformer)transformer).transform(result, sink, context); + result = (dataPipe != null) ? dataPipe.getResult() : null; + } + } + } + + private List<Transformer> getTransformerChain(DataType sourceDataType, DataType targetDataType) { + String sourceId = sourceDataType.getDataBinding(); + String targetId = targetDataType.getDataBinding(); + List<Transformer> path = transformerRegistry.getTransformerChain(sourceId, targetId); + if (path == null) { + TransformationException ex = new TransformationException("No path found for the transformation"); + ex.addContextName("Source: " + sourceId); + ex.addContextName("Target: " + targetId); + throw ex; + } + return path; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Output2OutputTransformer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Output2OutputTransformer.java new file mode 100644 index 0000000000..aaca7d2b9c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Output2OutputTransformer.java @@ -0,0 +1,201 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.databinding.impl; + +import java.util.List; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.databinding.DataBinding; +import org.apache.tuscany.spi.databinding.DataBindingRegistry; +import org.apache.tuscany.spi.databinding.Mediator; +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.WrapperHandler; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.apache.tuscany.spi.idl.ElementInfo; +import org.apache.tuscany.spi.model.WrapperInfo; +import org.apache.tuscany.spi.model.DataType; +import org.apache.tuscany.spi.model.Operation; +import org.osoa.sca.annotations.Service; + +/** + * This is a special transformer to transform the output from one IDL to the + * other one + */ +@Service(Transformer.class) +public class Output2OutputTransformer extends TransformerExtension<Object, Object> implements + PullTransformer<Object, Object> { + private static final String IDL_OUTPUT = "idl:output"; + + protected DataBindingRegistry dataBindingRegistry; + + protected Mediator mediator; + + /** + * @param wrapperHandler + */ + public Output2OutputTransformer() { + super(); + } + + /** + * @param mediator the mediator to set + */ + @Autowire + public void setMediator(Mediator mediator) { + this.mediator = mediator; + } + + /** + * @param dataBindingRegistry the dataBindingRegistry to set + */ + @Autowire + public void setDataBindingRegistry(DataBindingRegistry dataBindingRegistry) { + this.dataBindingRegistry = dataBindingRegistry; + } + + @Override + public String getSourceDataBinding() { + return IDL_OUTPUT; + } + + @Override + public String getTargetDataBinding() { + return IDL_OUTPUT; + } + + /** + * @see org.apache.tuscany.spi.databinding.extension.TransformerExtension#getSourceType() + */ + @Override + protected Class getSourceType() { + return Object.class; + } + + /** + * @see org.apache.tuscany.spi.databinding.extension.TransformerExtension#getTargetType() + */ + @Override + protected Class getTargetType() { + return Object.class; + } + + /** + * @see org.apache.tuscany.spi.databinding.Transformer#getWeight() + */ + public int getWeight() { + return 10; + } + + private WrapperHandler getWapperHandler(Operation<?> operation) { + String dataBindingId; + dataBindingId = operation.getDataBinding(); + DataBinding dataBinding = dataBindingRegistry.getDataBinding(dataBindingId); + WrapperHandler wrapperHandler = dataBinding == null ? null : dataBinding.getWrapperHandler(); + if (wrapperHandler == null) { + throw new TransformationException( + "No wrapper handler is provided for databinding: " + dataBindingId); + } + return wrapperHandler; + } + + private WrapperHandler getWapperHandler(String dataBindingId) { + DataBinding dataBinding = dataBindingRegistry.getDataBinding(dataBindingId); + return dataBinding == null ? null : dataBinding.getWrapperHandler(); + } + + @SuppressWarnings("unchecked") + public Object transform(Object response, TransformationContext context) { + try { + DataType<DataType> sourceType = context.getSourceDataType(); + Operation<?> sourceOp = (Operation<?>)sourceType.getOperation(); + boolean sourceWrapped = sourceOp != null && sourceOp.isWrapperStyle(); + WrapperHandler sourceWrapperHandler = null; + if (sourceWrapped) { + sourceWrapperHandler = getWapperHandler(sourceOp); + } + + DataType<DataType> targetType = context.getTargetDataType(); + Operation<?> targetOp = (Operation<?>)targetType.getOperation(); + boolean targetWrapped = targetOp != null && targetOp.isWrapperStyle(); + WrapperHandler targetWrapperHandler = null; + if (targetWrapped) { + targetWrapperHandler = getWapperHandler(targetOp); + } + + if ((!sourceWrapped) && targetWrapped) { + // Unwrapped --> Wrapped + WrapperInfo wrapper = targetOp.getWrapper(); + Object targetWrapper = + targetWrapperHandler.create(wrapper.getOutputWrapperElement(), context); + + List<ElementInfo> childElements = wrapper.getOutputChildElements(); + if (childElements.isEmpty()) { + // void output + return targetWrapper; + } + ElementInfo argElement = childElements.get(0); + DataType<QName> argType = wrapper.getUnwrappedOutputType(); + Object child = response; + child = mediator.mediate(response, sourceType.getLogical(), argType, context.getMetadata()); + targetWrapperHandler.setChild(targetWrapper, 0, argElement, child); + return targetWrapper; + } else if (sourceWrapped && (!targetWrapped)) { + // Wrapped to Unwrapped + Object sourceWrapper = response; + List<ElementInfo> childElements = sourceOp.getWrapper().getOutputChildElements(); + if (childElements.isEmpty()) { + // The void output + return null; + } + ElementInfo childElement = childElements.get(0); + + targetWrapperHandler = getWapperHandler(targetType.getLogical().getDataBinding()); + if (targetWrapperHandler != null) { + ElementInfo wrapperElement = sourceOp.getWrapper().getInputWrapperElement(); + // Object targetWrapper = + // targetWrapperHandler.create(wrapperElement, context); + DataType<QName> targetWrapperType = + new DataType<QName>(targetType.getLogical().getDataBinding(), Object.class, + wrapperElement.getQName()); + Object targetWrapper = + mediator.mediate(sourceWrapper, sourceType.getLogical(), targetWrapperType, context + .getMetadata()); + return targetWrapperHandler.getChild(targetWrapper, 0, childElement); + } else { + Object child = sourceWrapperHandler.getChild(sourceWrapper, 0, childElement); + DataType<?> childType = sourceOp.getWrapper().getUnwrappedOutputType(); + return mediator.mediate(child, childType, targetType.getLogical(), context.getMetadata()); + } + } else { + // FIXME: Do we want to handle wrapped to wrapped? + return mediator.mediate(response, sourceType.getLogical(), targetType.getLogical(), context + .getMetadata()); + } + } catch (Exception e) { + throw new TransformationException(e); + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PassByValueInterceptor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PassByValueInterceptor.java new file mode 100644 index 0000000000..1252885244 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PassByValueInterceptor.java @@ -0,0 +1,244 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.core.databinding.impl;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.ObjectStreamClass;
+import java.io.OutputStream;
+import java.io.Serializable;
+import java.util.IdentityHashMap;
+import java.util.Map;
+
+import org.apache.tuscany.spi.databinding.DataBinding;
+import org.apache.tuscany.spi.wire.Interceptor;
+import org.apache.tuscany.spi.wire.Message;
+
+import org.apache.tuscany.core.util.JavaIntrospectionHelper;
+
+/**
+ * An interceptor to enforce pass-by-value semantics for remotable interfaces
+ *
+ * @version $Rev$ $Date$
+ */
+public class PassByValueInterceptor implements Interceptor {
+ private DataBinding[] argsDataBindings;
+ private DataBinding resultDataBinding;
+
+ private DataBinding dataBinding;
+
+ private Interceptor next;
+
+ public Interceptor getNext() {
+ return next;
+ }
+
+ public boolean isOptimizable() {
+ return false;
+ }
+
+ public void setNext(Interceptor next) {
+ this.next = next;
+ }
+
+ public Message invoke(Message msg) {
+ Object obj = msg.getBody();
+ msg.setBody(copy((Object[]) obj));
+ Message result = getNext().invoke(msg);
+
+ if (!result.isFault()) {
+ result.setBody(copy(result.getBody(), getResultDataBinding()));
+ }
+ return result;
+ }
+
+
+ public Object[] copy(Object[] args) {
+ if (args == null) {
+ return null;
+ }
+ Object[] copiedArgs = new Object[args.length];
+ Map<Object, Object> map = new IdentityHashMap<Object, Object>();
+ for (int i = 0; i < args.length; i++) {
+ if (args[i] == null) {
+ copiedArgs[i] = null;
+ } else {
+ Object copiedArg = map.get(args[i]);
+ if (copiedArg != null) {
+ copiedArgs[i] = copiedArg;
+ } else {
+ DataBinding dataBinding =
+ (getArgsDataBindings() != null) ? getArgsDataBindings()[i] : null;
+ copiedArg = copy(args[i], dataBinding);
+ map.put(args[i], copiedArg);
+ copiedArgs[i] = copiedArg;
+ }
+ }
+ }
+ return copiedArgs;
+ }
+
+ public Object copy(Object arg, DataBinding argDataBinding) {
+ if (arg == null) {
+ return null;
+ }
+ Object copiedArg;
+ if (dataBinding != null) {
+ copiedArg = dataBinding.copy(arg);
+ } else {
+ if (argDataBinding != null) {
+ copiedArg = argDataBinding.copy(arg);
+ } else {
+ final Class clazz = arg.getClass();
+ if (JavaIntrospectionHelper.isImmutable(clazz)) {
+ // Immutable classes
+ return arg;
+ }
+ copiedArg = copyJavaObject(arg);
+ }
+ }
+ return copiedArg;
+ }
+
+ private Object copyJavaObject(Object arg) {
+ try {
+ return deserializeJavaObject(serializeJavaObject(arg));
+ } catch (IllegalArgumentException e) {
+ throw e;
+ //System.out.println("Problem serializing...");
+ //return arg;
+ }
+ }
+
+ public byte[] serializeJavaObject(Object arg) throws IllegalArgumentException {
+ if (arg == null) {
+ return null;
+ }
+
+ ByteArrayOutputStream bos = null;
+ ObjectOutputStream oos = null;
+
+ try {
+ if (arg instanceof Serializable) {
+ bos = new ByteArrayOutputStream();
+ oos = getObjectOutputStream(bos);
+ oos.writeObject(arg);
+
+ return bos.toByteArray();
+ } else {
+ throw new IllegalArgumentException("Unable to serialize using Java Serialization");
+ }
+ } catch (IOException e) {
+ throw new IllegalArgumentException("Exception while serializing argument ", e);
+ } finally {
+ try {
+ if (oos != null) {
+ oos.close();
+ }
+ if (bos != null) {
+ bos.close();
+ }
+ } catch (IOException e) {
+ throw new IllegalArgumentException("Exception while serializing argument ", e);
+ }
+ }
+ }
+
+ public Object deserializeJavaObject(byte[] arg) {
+ if (arg == null) {
+ return null;
+ }
+ final Class clazz = arg.getClass();
+ if (JavaIntrospectionHelper.isImmutable(clazz)) {
+ // Immutable classes
+ return arg;
+ }
+
+ ByteArrayInputStream bis = null;
+ ObjectInputStream ois = null;
+
+ try {
+ bis = new ByteArrayInputStream(arg);
+ ois = getObjectInputStream(bis, clazz.getClassLoader());
+
+ return ois.readObject();
+ } catch (IOException e) {
+ throw new IllegalArgumentException("Exception when attempting to Java Deserialization of object ", e);
+ } catch (ClassNotFoundException e) {
+ throw new IllegalArgumentException("Exception when attempting to Java Deserialization of object ", e);
+ } finally {
+ try {
+ if (ois != null) {
+ ois.close();
+ }
+ assert bis != null;
+ bis.close();
+ } catch (IOException e) {
+ throw new IllegalArgumentException("Exception when attempting to Java Deserialization of object ", e);
+ }
+ }
+ }
+
+ protected ObjectOutputStream getObjectOutputStream(OutputStream os) throws IOException {
+ return new ObjectOutputStream(os);
+ }
+
+ protected ObjectInputStream getObjectInputStream(InputStream is, final ClassLoader cl) throws IOException {
+ return new ObjectInputStream(is) {
+ @Override
+ protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
+ try {
+ return Class.forName(desc.getName(), false, cl);
+ } catch (ClassNotFoundException e) {
+ return super.resolveClass(desc);
+ }
+ }
+
+ };
+ }
+
+ public DataBinding getDataBinding() {
+ return dataBinding;
+ }
+
+ public void setDataBinding(DataBinding dataBinding) {
+ this.dataBinding = dataBinding;
+ }
+
+ public DataBinding[] getArgsDataBindings() {
+ return argsDataBindings;
+ }
+
+ public void setArgsDataBindings(DataBinding[] argsDataBindings) {
+ this.argsDataBindings = argsDataBindings;
+ }
+
+ public DataBinding getResultDataBinding() {
+ return resultDataBinding;
+ }
+
+ public void setResultDataBinding(DataBinding retDataBinding) {
+ this.resultDataBinding = retDataBinding;
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PassByValueWirePostProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PassByValueWirePostProcessor.java new file mode 100644 index 0000000000..c5a9a66731 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PassByValueWirePostProcessor.java @@ -0,0 +1,190 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.core.databinding.impl;
+
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.databinding.DataBinding;
+import org.apache.tuscany.spi.databinding.DataBindingRegistry;
+import org.apache.tuscany.spi.extension.AtomicComponentExtension;
+import org.apache.tuscany.spi.model.DataType;
+import org.apache.tuscany.spi.model.Operation;
+import org.apache.tuscany.spi.model.ServiceContract;
+import org.apache.tuscany.spi.wire.InboundInvocationChain;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.Interceptor;
+import org.apache.tuscany.spi.wire.OutboundWire;
+import org.apache.tuscany.spi.wire.WirePostProcessorExtension;
+
+/**
+ * This processor is responsible for enforcing the pass-by-value semantics required of Remotable interfaces. This is
+ * done by adding a pass-by-value interceptor to the inbound invocation chain of a target if the target interface is
+ * Remotable.
+ *
+ * @version $Rev$ $Date$
+ */
+public class PassByValueWirePostProcessor extends WirePostProcessorExtension {
+
+ private DataBindingRegistry dataBindingRegistry;
+
+ public PassByValueWirePostProcessor() {
+ super();
+
+ }
+
+ /**
+ * @param dataBindingRegistry the dataBindingRegistry to set
+ */
+ @Autowire
+ public void setDataBindingRegistry(DataBindingRegistry dataBindingRegistry) {
+ this.dataBindingRegistry = dataBindingRegistry;
+ }
+
+ public void process(OutboundWire source, InboundWire target) {
+ Interceptor tailInterceptor;
+ PassByValueInterceptor passByValueInterceptor;
+ Operation<?> targetOperation;
+ Operation<?> sourceOperation;
+ DataBinding[] argsDataBindings;
+ DataBinding resultDataBinding;
+
+ boolean allowsPassByReference = false;
+ if (target.getContainer() instanceof AtomicComponentExtension) {
+ allowsPassByReference =
+ ((AtomicComponentExtension) target.getContainer()).isAllowsPassByReference();
+ }
+ if (target.getServiceContract().isRemotable()
+ && !allowsPassByReference) {
+ Map<Operation<?>, InboundInvocationChain> chains = target.getInvocationChains();
+ for (Map.Entry<Operation<?>, InboundInvocationChain> entry : chains.entrySet()) {
+ targetOperation = entry.getKey();
+ sourceOperation =
+ getSourceOperation(source.getInvocationChains().keySet(), targetOperation.getName());
+
+
+ if (null != sourceOperation) {
+ argsDataBindings = resolveArgsDataBindings(targetOperation);
+ resultDataBinding = resolveResultDataBinding(targetOperation);
+ passByValueInterceptor = new PassByValueInterceptor();
+ passByValueInterceptor.setDataBinding(getDataBinding(targetOperation));
+ passByValueInterceptor.setArgsDataBindings(argsDataBindings);
+ passByValueInterceptor.setResultDataBinding(resultDataBinding);
+ entry.getValue().addInterceptor(0, passByValueInterceptor);
+ tailInterceptor = source.getInvocationChains().get(sourceOperation).getTailInterceptor();
+ if (tailInterceptor != null) {
+ tailInterceptor.setNext(passByValueInterceptor);
+ }
+ }
+ }
+ }
+
+ // Check if there's a callback
+ Map callbackOperations = source.getServiceContract().getCallbackOperations();
+ allowsPassByReference = false;
+ if (source.getContainer() instanceof AtomicComponentExtension) {
+ allowsPassByReference =
+ ((AtomicComponentExtension) source.getContainer()).isAllowsPassByReference();
+ }
+
+ if (source.getServiceContract().isRemotable()
+ && !allowsPassByReference
+ && callbackOperations != null
+ && !callbackOperations.isEmpty()) {
+ Object targetAddress = source.getContainer().getName();
+ Map<Operation<?>, InboundInvocationChain> callbackChains = source.getTargetCallbackInvocationChains();
+ for (Map.Entry<Operation<?>, InboundInvocationChain> entry : callbackChains.entrySet()) {
+ targetOperation = entry.getKey();
+ sourceOperation =
+ getSourceOperation(target.getSourceCallbackInvocationChains(targetAddress).keySet(),
+ targetOperation.getName());
+
+ argsDataBindings = resolveArgsDataBindings(targetOperation);
+ resultDataBinding = resolveResultDataBinding(targetOperation);
+
+ passByValueInterceptor = new PassByValueInterceptor();
+ passByValueInterceptor.setDataBinding(getDataBinding(targetOperation));
+ passByValueInterceptor.setArgsDataBindings(argsDataBindings);
+ passByValueInterceptor.setResultDataBinding(resultDataBinding);
+
+ entry.getValue().addInterceptor(0, passByValueInterceptor);
+ tailInterceptor =
+ target.getSourceCallbackInvocationChains(targetAddress).get(sourceOperation)
+ .getTailInterceptor();
+ if (tailInterceptor != null) {
+ tailInterceptor.setNext(passByValueInterceptor);
+ }
+ }
+ }
+ }
+
+ public void process(InboundWire source, OutboundWire target) {
+ //to be done if required..
+ }
+
+ private Operation getSourceOperation(Set<Operation<?>> operations, String operationName) {
+ for (Operation<?> op : operations) {
+ if (op.getName().equals(operationName)) {
+ return op;
+ }
+ }
+ return null;
+ }
+
+ private DataBinding getDataBinding(Operation<?> operation) {
+ String dataBinding = operation.getDataBinding();
+ if (dataBinding == null) {
+ ServiceContract<?> serviceContract = operation.getServiceContract();
+ dataBinding = serviceContract.getDataBinding();
+ }
+ return dataBindingRegistry.getDataBinding(dataBinding);
+
+ }
+
+ @SuppressWarnings("unchecked")
+ private DataBinding[] resolveArgsDataBindings(Operation operation) {
+ List<DataType<?>> argumentTypes = (List<DataType<?>>) operation.getInputType().getLogical();
+ DataBinding[] argDataBindings = new DataBinding[argumentTypes.size()];
+ int count = 0;
+ for (DataType argType : argumentTypes) {
+ argDataBindings[count] = null;
+ if (argType != null) {
+ if (argType.getLogical() instanceof Class) {
+ argDataBindings[count] =
+ dataBindingRegistry.getDataBinding(((Class) argType.getLogical()).getName());
+ }
+ }
+ ++count;
+ }
+ return argDataBindings;
+ }
+
+ private DataBinding resolveResultDataBinding(Operation operation) {
+ DataType<?> resultType = (DataType<?>) operation.getOutputType();
+ DataBinding resultBinding = null;
+ if (resultType != null && resultType.getLogical() instanceof Class) {
+ Class<?> logical = (Class<?>) resultType.getLogical();
+ resultBinding = dataBindingRegistry.getDataBinding(logical.getName());
+ }
+ return resultBinding;
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PipedTransformer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PipedTransformer.java new file mode 100755 index 0000000000..388ea710a7 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PipedTransformer.java @@ -0,0 +1,66 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.impl; + +import org.apache.tuscany.spi.databinding.DataPipe; +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; + +/** + * A utility class to connect PushTransformer and DataPipe to create a + * PullTransformer + * + * @param <S> Source type + * @param <I> Intermidate type + * @param <R> Result type + */ +public class PipedTransformer<S, I, R> implements PullTransformer<S, R> { + private PushTransformer<S, I> pusher; + + private DataPipe<I, R> pipe; + + /** + * @param pumper + * @param pipe + */ + public PipedTransformer(PushTransformer<S, I> pumper, DataPipe<I, R> pipe) { + super(); + this.pusher = pumper; + this.pipe = pipe; + } + + public R transform(S source, TransformationContext context) { + pusher.transform(source, pipe.getSink(), context); + return pipe.getResult(); + } + + public String getSourceDataBinding() { + return pusher.getSourceDataBinding(); + } + + public String getTargetDataBinding() { + return pipe.getTargetDataBinding(); + } + + public int getWeight() { + return pusher.getWeight() + pipe.getWeight(); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/SimpleDataBinding.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/SimpleDataBinding.java new file mode 100644 index 0000000000..b1550c9f0a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/SimpleDataBinding.java @@ -0,0 +1,61 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.databinding.impl; + +import org.osoa.sca.annotations.Property; + +import org.apache.tuscany.spi.databinding.extension.DataBindingExtension; +import org.apache.tuscany.spi.loader.MissingResourceException; + +/** + * Simple databinding represented by a base java type. A SCDL property className is used to customize this component. + * <p/> + * The following illustrates how a simple data binding can be registered as a SCA component. + * <p/> + * <pre> + * <component name="databinding.MyDataBinding"><br> + * <system:implementation.java + * class="org.apache.tuscany.databinding.impl.SimpleDataBinding"/><br> + * <property name="className">my.Type</property><br> + * </component> + * </pre> + * + * @version $Rv$ $Date$ + */ +public class SimpleDataBinding extends DataBindingExtension { + + public SimpleDataBinding(@Property(name = "className")String className) throws MissingResourceException { + super(resolve(className)); + } + + private static Class<?> resolve(String className) throws MissingResourceException { + ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); + try { + return Class.forName(className, false, classLoader); + } catch (ClassNotFoundException e) { + classLoader = SimpleDataBinding.class.getClassLoader(); + try { + return Class.forName(className, false, classLoader); + } catch (ClassNotFoundException e1) { + throw new MissingResourceException(className, e1); + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformationContextImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformationContextImpl.java new file mode 100755 index 0000000000..47f340097b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformationContextImpl.java @@ -0,0 +1,83 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.impl; + +import java.lang.ref.WeakReference; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.model.DataType; + +public class TransformationContextImpl implements TransformationContext { + private DataType sourceDataType; + + private DataType targetDataType; + + private final Map<Class<?>, Object> metadata = new HashMap<Class<?>, Object>(); + + private WeakReference<ClassLoader> classLoaderRef; + + public TransformationContextImpl() { + super(); + setClassLoader(Thread.currentThread().getContextClassLoader()); + } + + public TransformationContextImpl(DataType sourceDataType, + DataType targetDataType, + ClassLoader classLoader, + Map<Class<?>, Object> metadata) { + super(); + this.sourceDataType = sourceDataType; + this.targetDataType = targetDataType; + setClassLoader(classLoader); + if (metadata != null) { + this.metadata.putAll(metadata); + } + } + + public DataType getSourceDataType() { + return sourceDataType; + } + + public DataType getTargetDataType() { + return targetDataType; + } + + public void setSourceDataType(DataType sourceDataType) { + this.sourceDataType = sourceDataType; + } + + public void setTargetDataType(DataType targetDataType) { + this.targetDataType = targetDataType; + } + + public final void setClassLoader(ClassLoader classLoader) { + this.classLoaderRef = new WeakReference<ClassLoader>(classLoader); + } + + public ClassLoader getClassLoader() { + return classLoaderRef.get(); + } + + public Map<Class<?>, Object> getMetadata() { + return metadata; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformerRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformerRegistryImpl.java new file mode 100755 index 0000000000..c8bfa1cc8c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformerRegistryImpl.java @@ -0,0 +1,73 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.impl; + +import java.util.ArrayList; +import java.util.List; + +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.TransformerRegistry; + +/** + * @version $Rev$ $Date$ + */ +@EagerInit +public class TransformerRegistryImpl implements TransformerRegistry { + + private final DirectedGraph<Object, Transformer> graph = new DirectedGraph<Object, Transformer>(); + + public void registerTransformer(String sourceType, String resultType, int weight, Transformer transformer) { + graph.addEdge(sourceType, resultType, transformer, weight); + } + + public void registerTransformer(Transformer transformer) { + graph.addEdge(transformer.getSourceDataBinding(), + transformer.getTargetDataBinding(), + transformer, + transformer.getWeight()); + } + + public boolean unregisterTransformer(String sourceType, String resultType) { + return graph.removeEdge(sourceType, resultType); + } + + public Transformer getTransformer(String sourceType, String resultType) { + DirectedGraph<Object, Transformer>.Edge edge = graph.getEdge(sourceType, resultType); + return (edge == null) ? null : edge.getValue(); + } + + public List<Transformer> getTransformerChain(String sourceType, String resultType) { + List<Transformer> transformers = new ArrayList<Transformer>(); + DirectedGraph<Object, Transformer>.Path path = graph.getShortestPath(sourceType, resultType); + if (path == null) { + return null; + } + for (DirectedGraph<Object, Transformer>.Edge edge : path.getEdges()) { + transformers.add(edge.getValue()); + } + return transformers; + } + + public String toString() { + return graph.toString(); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMDataBinding.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMDataBinding.java new file mode 100644 index 0000000000..d2df8cf888 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMDataBinding.java @@ -0,0 +1,56 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + + +import org.w3c.dom.Node; + +import org.apache.tuscany.spi.databinding.WrapperHandler; +import org.apache.tuscany.spi.databinding.extension.DataBindingExtension; + +/** + * DOM DataBinding + * + * @version $Rev$ $Date$ + */ +public class DOMDataBinding extends DataBindingExtension { + public static final String NAME = Node.class.getName(); + + public DOMDataBinding() { + super(Node.class); + } + + @Override + public WrapperHandler getWrapperHandler() { + return new DOMWrapperHandler(); + } + + public Object copy(Object source) { + if (Node.class.isAssignableFrom(source.getClass())) { + Node nodeSource = (Node) source; + Node2String strTransformer = new Node2String(); + String stringCopy = strTransformer.transform(nodeSource, null); + + String2Node nodeTransformer = new String2Node(); + return nodeTransformer.transform(stringCopy, null); + } + + return super.copy(source); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMWrapperHandler.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMWrapperHandler.java new file mode 100644 index 0000000000..0373ebcdfe --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMWrapperHandler.java @@ -0,0 +1,79 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.namespace.QName; +import javax.xml.parsers.ParserConfigurationException; + +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.WrapperHandler; +import org.apache.tuscany.spi.databinding.extension.DOMHelper; +import org.apache.tuscany.spi.idl.ElementInfo; +import org.w3c.dom.Document; +import org.w3c.dom.Node; +import org.w3c.dom.NodeList; + +public class DOMWrapperHandler implements WrapperHandler<Node> { + + private Document document; + + public DOMWrapperHandler() { + super(); + try { + this.document = DOMHelper.newDocument(); + } catch (ParserConfigurationException e) { + throw new TransformationException(e); + } + } + + public Node create(ElementInfo element, TransformationContext context) { + QName name = element.getQName(); + return DOMHelper.createElement(document, name); + } + + public Object getChild(Node wrapper, int i, ElementInfo element) { + int index = 0; + NodeList nodes = wrapper.getChildNodes(); + for (int j = 0; j < nodes.getLength(); j++) { + Node node = nodes.item(j); + if (node.getNodeType() != Node.ELEMENT_NODE) { + continue; + } + if (index != i) { + index++; + } else { + QName name = DOMHelper.getQName(node); + if (name.equals(element.getQName())) { + return node; + } + } + } + return null; + } + + public void setChild(Node wrapper, int i, ElementInfo childElement, Object value) { + Node node = (Node) value; + if (node.getNodeType() == Node.DOCUMENT_NODE) { + node = ((Document) node).getDocumentElement(); + } + wrapper.appendChild(wrapper.getOwnerDocument().importNode(node, true)); + } +}
\ No newline at end of file diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMXMLStreamReader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMXMLStreamReader.java new file mode 100644 index 0000000000..f94ddd545f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMXMLStreamReader.java @@ -0,0 +1,1415 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import javax.xml.XMLConstants; +import javax.xml.namespace.NamespaceContext; +import javax.xml.namespace.QName; +import javax.xml.stream.Location; +import javax.xml.stream.XMLStreamException; + +import org.w3c.dom.Attr; +import org.w3c.dom.CharacterData; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.NamedNodeMap; +import org.w3c.dom.Node; +import org.w3c.dom.NodeList; + +import org.apache.tuscany.core.databinding.xml.StAXHelper.XMLFragmentStreamReader; + +public class DOMXMLStreamReader implements XMLFragmentStreamReader { + protected static class DelegatingNamespaceContext implements NamespaceContext { + private int counter; + + private NamespaceContext parent; + + private Map<String, String> prefixToNamespaceMapping = new HashMap<String, String>(); + + public DelegatingNamespaceContext(NamespaceContext parent) { + super(); + this.parent = parent; + + prefixToNamespaceMapping.put("xml", "http://www.w3.org/XML/1998/namespace"); + prefixToNamespaceMapping.put("xmlns", "http://www.w3.org/2000/xmlns/"); + prefixToNamespaceMapping.put("xsi", "http://www.w3.org/2001/XMLSchema-instance"); + } + + public synchronized QName createQName(String nsURI, String name) { + String prefix = nsURI != null ? (String) getPrefix(nsURI) : null; + if (prefix == null && nsURI != null && !nsURI.equals("")) { + prefix = "p" + (counter++); + } + if (prefix == null) { + prefix = ""; + } + if (nsURI != null) { + prefixToNamespaceMapping.put(prefix, nsURI); + } + return new QName(nsURI, name, prefix); + } + + public String getNamespaceURI(String prefix) { + if (prefix == null) { + throw new IllegalArgumentException("Prefix is null"); + } + + String ns = (String) prefixToNamespaceMapping.get(prefix); + if (ns != null) { + return ns; + } else if (parent != null) { + return parent.getNamespaceURI(prefix); + } else { + return null; + } + } + + public String getPrefix(String nsURI) { + if (nsURI == null) { + throw new IllegalArgumentException("Namespace is null"); + } + for (Map.Entry<String, String> entry1 : prefixToNamespaceMapping.entrySet()) { + Map.Entry entry = entry1; + if (entry.getValue().equals(nsURI)) { + return (String) entry.getKey(); + } + } + if (parent != null) { + return parent.getPrefix(nsURI); + } else { + return null; + } + } + + public Iterator getPrefixes(String nsURI) { + List<String> prefixList = new ArrayList<String>(); + for (Map.Entry<String, String> entry : prefixToNamespaceMapping.entrySet()) { + if (entry.getValue().equals(nsURI)) { + prefixList.add(entry.getKey()); + } + } + if (parent != null) { + for (Iterator i = parent.getPrefixes(nsURI); i.hasNext();) { + prefixList.add((String) i.next()); + } + } + return prefixList.iterator(); + } + + public void registerMapping(String prefix, String nsURI) { + prefixToNamespaceMapping.put(prefix, nsURI); + } + + public void removeMapping(String prefix) { + prefixToNamespaceMapping.remove(prefix); + } + + public void setParent(NamespaceContext parent) { + this.parent = parent; + } + } + + protected static class NameValuePair implements Map.Entry { + private Object key; + + private Object value; + + public NameValuePair(Object key, Object value) { + this.key = key; + this.value = value; + } + + public Object getKey() { + return key; + } + + public Object getValue() { + return value; + } + + public Object setValue(Object value) { + Object v = this.value; + this.value = value; + return v; + } + + } + + protected static class SimpleElementStreamReader implements XMLFragmentStreamReader { + + private static final int END_ELEMENT_STATE = 2; + + private static final int START_ELEMENT_STATE = 0; + + private static final int START_ELEMENT_STATE_WITH_NULL = 3; + + private static final int TEXT_STATE = 1; + + private static final QName XSI_NIL_QNAME = + new QName("http://www.w3.org/2001/XMLSchema-instance", "nil", "xsi"); + + private QName name; + + private DelegatingNamespaceContext namespaceContext = new DelegatingNamespaceContext(null); + + private int state = START_ELEMENT_STATE; + + private String value; + + public SimpleElementStreamReader(QName name, String value) { + this.name = name; + this.value = value; + if (value == null) { + state = START_ELEMENT_STATE_WITH_NULL; + } + } + + public void close() throws XMLStreamException { + // Do nothing - we've nothing to free here + } + + public int getAttributeCount() { + if (state == START_ELEMENT_STATE_WITH_NULL) { + return 1; + } + if (state == START_ELEMENT_STATE) { + return 0; + } else { + throw new IllegalStateException(); + } + + } + + public String getAttributeLocalName(int i) { + if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { + return XSI_NIL_QNAME.getLocalPart(); + } + if (state == START_ELEMENT_STATE) { + return null; + } else { + throw new IllegalStateException(); + } + } + + public QName getAttributeName(int i) { + if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { + return XSI_NIL_QNAME; + } + if (state == START_ELEMENT_STATE) { + return null; + } else { + throw new IllegalStateException(); + } + } + + public String getAttributeNamespace(int i) { + if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { + return XSI_NIL_QNAME.getNamespaceURI(); + } + if (state == START_ELEMENT_STATE) { + return null; + } else { + throw new IllegalStateException(); + } + } + + public String getAttributePrefix(int i) { + if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { + return XSI_NIL_QNAME.getPrefix(); + } + if (state == START_ELEMENT_STATE) { + return null; + } else { + throw new IllegalStateException(); + } + } + + public String getAttributeType(int i) { + return null; // not implemented + } + + public String getAttributeValue(int i) { + if (state == START_ELEMENT_STATE_WITH_NULL && i == 0) { + return "true"; + } + if (state == START_ELEMENT_STATE) { + return null; + } else { + throw new IllegalStateException(); + } + } + + public String getAttributeValue(String string, String string1) { + if (state == TEXT_STATE) { + // todo something + return null; + } else { + return null; + } + + } + + public String getCharacterEncodingScheme() { + return null; + } + + public String getElementText() throws XMLStreamException { + if (state == START_ELEMENT) { + // move to the end state and return the value + state = END_ELEMENT_STATE; + return value; + } else { + throw new XMLStreamException(); + } + + } + + public String getEncoding() { + return "UTF-8"; + } + + public int getEventType() { + switch (state) { + case START_ELEMENT_STATE: + case START_ELEMENT_STATE_WITH_NULL: + return START_ELEMENT; + case END_ELEMENT_STATE: + return END_ELEMENT; + case TEXT_STATE: + return CHARACTERS; + default: + throw new UnsupportedOperationException(); + // we've no idea what this is!!!!! + } + + } + + public String getLocalName() { + if (state != TEXT_STATE) { + return name.getLocalPart(); + } else { + return null; + } + } + + public Location getLocation() { + return new Location() { + public int getCharacterOffset() { + return 0; + } + + public int getColumnNumber() { + return 0; + } + + public int getLineNumber() { + return 0; + } + + public String getPublicId() { + return null; + } + + public String getSystemId() { + return null; + } + }; + } + + public QName getName() { + if (state != TEXT_STATE) { + return name; + } else { + return null; + } + } + + public NamespaceContext getNamespaceContext() { + return this.namespaceContext; + } + + public int getNamespaceCount() { + if (state == START_ELEMENT_STATE_WITH_NULL && isXsiNamespacePresent()) { + return 1; + } else { + return 0; + } + + } + + public String getNamespacePrefix(int i) { + if (state == START_ELEMENT_STATE_WITH_NULL && isXsiNamespacePresent() && i == 0) { + return XSI_NIL_QNAME.getPrefix(); + } else { + return null; + } + } + + public String getNamespaceURI() { + if (state != TEXT_STATE) { + return name.getNamespaceURI(); + } else { + return null; + } + + } + + public String getNamespaceURI(int i) { + if (state == START_ELEMENT_STATE_WITH_NULL && isXsiNamespacePresent() && i == 0) { + return XSI_NIL_QNAME.getNamespaceURI(); + } else { + return null; + } + } + + public String getNamespaceURI(String prefix) { + return namespaceContext.getNamespaceURI(prefix); + } + + public String getPIData() { + return null; + } + + public String getPITarget() { + return null; + } + + public String getPrefix() { + if (state != TEXT_STATE) { + return name.getPrefix(); + } else { + return null; + } + } + + public Object getProperty(String key) throws IllegalArgumentException { + return null; + } + + public String getText() { + if (state == TEXT_STATE) { + return value; + } else { + throw new IllegalStateException(); + } + } + + public char[] getTextCharacters() { + if (state == TEXT_STATE) { + return value.toCharArray(); + } else { + throw new IllegalStateException(); + } + } + + public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { + // not implemented + throw new UnsupportedOperationException(); + } + + public int getTextLength() { + if (state == TEXT_STATE) { + return value.length(); + } else { + throw new IllegalStateException(); + } + + } + + public int getTextStart() { + if (state == TEXT_STATE) { + return 0; + } else { + throw new IllegalStateException(); + } + } + + public String getVersion() { + return null; // todo 1.0 ? + } + + public boolean hasName() { + return state != TEXT_STATE; + + } + + public boolean hasNext() throws XMLStreamException { + return state != END_ELEMENT_STATE; + } + + public boolean hasText() { + return state == TEXT_STATE; + } + + public void init() { + // just add the current elements namespace and prefix to the this + // elements nscontext + registerNamespace(name.getPrefix(), name.getNamespaceURI()); + + } + + public boolean isAttributeSpecified(int i) { + return false; // no attribs here + } + + public boolean isCharacters() { + return state == TEXT_STATE; + } + + public boolean isEndElement() { + return state == END_ELEMENT_STATE; + } + + public boolean isEndOfFragment() { + return state == END_ELEMENT_STATE; + } + + public boolean isStandalone() { + return false; + } + + public boolean isStartElement() { + return state == START_ELEMENT_STATE || state == START_ELEMENT_STATE_WITH_NULL; + } + + public boolean isWhiteSpace() { + return false; // no whitespaces here + } + + /** + * Test whether the xsi namespace is present + * + * @return + */ + private boolean isXsiNamespacePresent() { + return namespaceContext.getNamespaceURI(XSI_NIL_QNAME.getPrefix()) != null; + } + + public int next() throws XMLStreamException { + switch (state) { + case START_ELEMENT_STATE: + state = TEXT_STATE; + return CHARACTERS; + case START_ELEMENT_STATE_WITH_NULL: + state = END_ELEMENT_STATE; + return END_ELEMENT; + case END_ELEMENT_STATE: + // oops, not supposed to happen! + throw new XMLStreamException("end already reached!"); + case TEXT_STATE: + state = END_ELEMENT_STATE; + return END_ELEMENT; + default: + throw new XMLStreamException("unknown event type!"); + } + } + + public int nextTag() throws XMLStreamException { + return 0; // todo + } + + /** + * @param prefix + * @param uri + */ + private void registerNamespace(String prefix, String uri) { + // todo - need to fix this up to cater for cases where + // namespaces are having no prefixes + if (!uri.equals(namespaceContext.getNamespaceURI(prefix))) { + // this namespace is not there. Need to declare it + namespaceContext.registerMapping(prefix, uri); + } + } + + public void require(int i, String string, String string1) throws XMLStreamException { + // not implemented + } + + public void setParentNamespaceContext(NamespaceContext nsContext) { + this.namespaceContext.setParent(nsContext); + } + + public boolean standaloneSet() { + return false; + } + + } + + private static final int DELEGATED_STATE = 2; + + private static final int END_ELEMENT_STATE = 1; + + // states for this pullparser - it can only have three states + private static final int START_ELEMENT_STATE = 0; + + private static final int TEXT_STATE = 3; + + private Map.Entry[] attributes; + + // reference to the child reader + private XMLFragmentStreamReader childReader; + + // current property index + private int currentPropertyIndex; + + private Map<String, String> declaredNamespaceMap = new HashMap<String, String>(); + + private QName elementQName; + + // we always create a new namespace context + private DelegatingNamespaceContext namespaceContext = new DelegatingNamespaceContext(null); + + private Map.Entry[] properties; + + private Element rootElement; + + private String rootElementName; + + private String rootElementURI; + + // integer field that keeps the state of this + // parser. + private int state = START_ELEMENT_STATE; + + public DOMXMLStreamReader(Node node) { + switch (node.getNodeType()) { + case Node.DOCUMENT_NODE: + this.rootElement = ((Document) node).getDocumentElement(); + break; + case Node.ELEMENT_NODE: + this.rootElement = (Element) node; + break; + default: + throw new IllegalArgumentException("Illegal Node"); + } + this.rootElementName = rootElement.getLocalName(); + this.rootElementURI = rootElement.getNamespaceURI(); + + declaredNamespaceMap.put("xml", "http://www.w3.org/XML/1998/namespace"); + declaredNamespaceMap.put("xmlns", "http://www.w3.org/2000/xmlns/"); + declaredNamespaceMap.put("xsi", "http://www.w3.org/2001/XMLSchema-instance"); + + populateProperties(); + } + + /* + * we need to pass in a namespace context since when delegated, we've no + * idea of the current namespace context. So it needs to be passed on here! + */ + protected DOMXMLStreamReader(QName elementQName, Map.Entry[] properties, Map.Entry[] attributes) { + // validate the lengths, since both the arrays are supposed + // to have + this.properties = properties; + this.elementQName = elementQName; + this.attributes = attributes; + + } + + public void close() throws XMLStreamException { + // do nothing here - we have no resources to free + } + + public int getAttributeCount() { + return (state == DELEGATED_STATE) ? childReader.getAttributeCount() + : ((attributes != null) && (state == START_ELEMENT_STATE) ? attributes.length : 0); + } + + public String getAttributeLocalName(int i) { + if (state == DELEGATED_STATE) { + return childReader.getAttributeLocalName(i); + } else if (state == START_ELEMENT_STATE) { + QName name = getAttributeName(i); + if (name == null) { + return null; + } else { + return name.getLocalPart(); + } + } else { + throw new IllegalStateException(); + } + } + + /** + * @param i + * @return + */ + public QName getAttributeName(int i) { + if (state == DELEGATED_STATE) { + return childReader.getAttributeName(i); + } else if (state == START_ELEMENT_STATE) { + if (attributes == null) { + return null; + } else { + if ((i >= (attributes.length)) || i < 0) { // out of range + return null; + } else { + // get the attribute pointer + Object attribPointer = attributes[i].getKey(); + // case one - attrib name is null + // this should be the pointer to the OMAttribute then + if (attribPointer instanceof String) { + return new QName((String) attribPointer); + } else if (attribPointer instanceof QName) { + return (QName) attribPointer; + } else { + return null; + } + } + } + } else { + throw new IllegalStateException(); // as per the api contract + } + + } + + public String getAttributeNamespace(int i) { + if (state == DELEGATED_STATE) { + return childReader.getAttributeNamespace(i); + } else if (state == START_ELEMENT_STATE) { + QName name = getAttributeName(i); + if (name == null) { + return null; + } else { + return name.getNamespaceURI(); + } + } else { + throw new IllegalStateException(); + } + } + + public String getAttributePrefix(int i) { + if (state == DELEGATED_STATE) { + return childReader.getAttributePrefix(i); + } else if (state == START_ELEMENT_STATE) { + QName name = getAttributeName(i); + if (name == null) { + return null; + } else { + return name.getPrefix(); + } + } else { + throw new IllegalStateException(); + } + } + + public String getAttributeType(int i) { + return null; // not supported + } + + public String getAttributeValue(int i) { + if (state == DELEGATED_STATE) { + return childReader.getAttributeValue(i); + } else if (state == START_ELEMENT_STATE) { + if (attributes == null) { + return null; + } else { + if ((i >= (attributes.length)) || i < 0) { // out of range + return null; + } else { + // get the attribute pointer + Object attribPointer = attributes[i].getKey(); + Object omAttribObj = attributes[i].getValue(); + // case one - attrib name is null + // this should be the pointer to the OMAttribute then + if (attribPointer instanceof String) { + return (String) omAttribObj; + } else if (attribPointer instanceof QName) { + return (String) omAttribObj; + } else { + return null; + } + } + } + } else { + throw new IllegalStateException(); + } + + } + + public String getAttributeValue(String nsUri, String localName) { + + int attribCount = getAttributeCount(); + String returnValue = null; + QName attribQualifiedName; + for (int i = 0; i < attribCount; i++) { + attribQualifiedName = getAttributeName(i); + if (nsUri == null) { + if (localName.equals(attribQualifiedName.getLocalPart())) { + returnValue = getAttributeValue(i); + break; + } + } else { + if (localName.equals(attribQualifiedName.getLocalPart()) && nsUri.equals(attribQualifiedName + .getNamespaceURI())) { + returnValue = getAttributeValue(i); + break; + } + } + + } + + return returnValue; + } + + public String getCharacterEncodingScheme() { + return null; // todo - should we return something for this ? + } + + /** + * todo implement the right contract for this + * + * @return + * @throws XMLStreamException + */ + public String getElementText() throws XMLStreamException { + if (state == DELEGATED_STATE) { + return childReader.getElementText(); + } else { + return null; + } + + } + + public String getEncoding() { + if (state == DELEGATED_STATE) { + return childReader.getEncoding(); + } else { + // we've no idea what the encoding is going to be in this case + // perhaps we ought to return some constant here, which the user + // might + // have access to change! + return null; + } + } + + // ///////////////////////////////////////////////////////////////////////// + // / attribute handling + // ///////////////////////////////////////////////////////////////////////// + + public int getEventType() { + if (state == START_ELEMENT_STATE) { + return START_ELEMENT; + } else if (state == END_ELEMENT_STATE) { + return END_ELEMENT; + } else { // this is the delegated state + return childReader.getEventType(); + } + + } + + public String getLocalName() { + if (state == DELEGATED_STATE) { + return childReader.getLocalName(); + } else if (state != TEXT_STATE) { + return elementQName.getLocalPart(); + } else { + throw new IllegalStateException(); + } + } + + /** + * @return + */ + public Location getLocation() { + // return a default location + return new Location() { + public int getCharacterOffset() { + return 0; + } + + public int getColumnNumber() { + return 0; + } + + public int getLineNumber() { + return 0; + } + + public String getPublicId() { + return null; + } + + public String getSystemId() { + return null; + } + }; + } + + public QName getName() { + if (state == DELEGATED_STATE) { + return childReader.getName(); + } else if (state != TEXT_STATE) { + return elementQName; + } else { + throw new IllegalStateException(); + } + + } + + public NamespaceContext getNamespaceContext() { + if (state == DELEGATED_STATE) { + return childReader.getNamespaceContext(); + } else { + return namespaceContext; + } + + } + + public int getNamespaceCount() { + if (state == DELEGATED_STATE) { + return childReader.getNamespaceCount(); + } else { + return declaredNamespaceMap.size(); + } + } + + /** + * @param i + * @return + */ + public String getNamespacePrefix(int i) { + if (state == DELEGATED_STATE) { + return childReader.getNamespacePrefix(i); + } else if (state != TEXT_STATE) { + // order the prefixes + String[] prefixes = makePrefixArray(); + if ((i >= prefixes.length) || (i < 0)) { + return null; + } else { + return prefixes[i]; + } + + } else { + throw new IllegalStateException(); + } + + } + + public String getNamespaceURI() { + if (state == DELEGATED_STATE) { + return childReader.getNamespaceURI(); + } else if (state == TEXT_STATE) { + return null; + } else { + return elementQName.getNamespaceURI(); + } + } + + public String getNamespaceURI(int i) { + if (state == DELEGATED_STATE) { + return childReader.getNamespaceURI(i); + } else if (state != TEXT_STATE) { + String namespacePrefix = getNamespacePrefix(i); + return namespacePrefix == null ? null : (String) declaredNamespaceMap.get(namespacePrefix); + } else { + throw new IllegalStateException(); + } + + } + + // ///////////////////////////////////////////////////////////////////////// + // //////////// end of attribute handling + // ///////////////////////////////////////////////////////////////////////// + + // ////////////////////////////////////////////////////////////////////////// + // //////////// namespace handling + // ////////////////////////////////////////////////////////////////////////// + + public String getNamespaceURI(String prefix) { + return namespaceContext.getNamespaceURI(prefix); + } + + public String getPIData() { + throw new UnsupportedOperationException("Yet to be implemented !!"); + } + + public String getPITarget() { + throw new UnsupportedOperationException("Yet to be implemented !!"); + } + + public String getPrefix() { + if (state == DELEGATED_STATE) { + return childReader.getPrefix(); + } else if (state == TEXT_STATE) { + return null; + } else { + return elementQName.getPrefix(); + } + } + + /** + * @param key + * @return + * @throws IllegalArgumentException + */ + public Object getProperty(String key) throws IllegalArgumentException { + if (state == START_ELEMENT_STATE || state == END_ELEMENT_STATE) { + return null; + } else if (state == TEXT_STATE) { + return null; + } else if (state == DELEGATED_STATE) { + return childReader.getProperty(key); + } else { + return null; + } + + } + + // ///////////////////////////////////////////////////////////////////////// + // /////// end of namespace handling + // ///////////////////////////////////////////////////////////////////////// + + public String getText() { + if (state == DELEGATED_STATE) { + return childReader.getText(); + } else if (state == TEXT_STATE) { + return (String) properties[currentPropertyIndex - 1].getValue(); + } else { + throw new IllegalStateException(); + } + } + + public char[] getTextCharacters() { + if (state == DELEGATED_STATE) { + return childReader.getTextCharacters(); + } else if (state == TEXT_STATE) { + return properties[currentPropertyIndex - 1].getValue() == null ? new char[0] + : ((String) properties[currentPropertyIndex - 1].getValue()).toCharArray(); + } else { + throw new IllegalStateException(); + } + } + + public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { + if (state == DELEGATED_STATE) { + return childReader.getTextCharacters(i, chars, i1, i2); + } else if (state == TEXT_STATE) { + // todo - implement this + return 0; + } else { + throw new IllegalStateException(); + } + } + + public int getTextLength() { + if (state == DELEGATED_STATE) { + return childReader.getTextLength(); + } else if (state == TEXT_STATE) { + return 0; // assume text always starts at 0 + } else { + throw new IllegalStateException(); + } + } + + public int getTextStart() { + if (state == DELEGATED_STATE) { + return childReader.getTextStart(); + } else if (state == TEXT_STATE) { + return 0; // assume text always starts at 0 + } else { + throw new IllegalStateException(); + } + } + + public String getVersion() { + return null; + } + + public boolean hasName() { + // since this parser always has a name, the hasname + // has to return true if we are still navigating this element + // if not we should ask the child reader for it. + if (state == DELEGATED_STATE) { + return childReader.hasName(); + } else { + return state != TEXT_STATE; + } + } + + /** + * @return + * @throws XMLStreamException + */ + public boolean hasNext() throws XMLStreamException { + if (state == DELEGATED_STATE) { + if (childReader.isEndOfFragment()) { + // the child reader is done. We shouldn't be getting the + // hasnext result from the child pullparser then + return true; + } else { + return childReader.hasNext(); + } + } else { + return state == START_ELEMENT_STATE || state == TEXT_STATE; + + } + } + + /** + * check the validity of this implementation + * + * @return + */ + public boolean hasText() { + if (state == DELEGATED_STATE) { + return childReader.hasText(); + } else { + return state == TEXT_STATE; + } + } + + /** + * we need to split out the calling to the populate namespaces seperately since this needs to be done *after* + * setting the parent namespace context. We cannot assume it will happen at construction! + */ + public void init() { + // here we have an extra issue to attend to. we need to look at the + // prefixes and uris (the combination) and populate a hashmap of + // namespaces. The hashmap of namespaces will be used to serve the + // namespace context + + populateNamespaceContext(); + } + + public boolean isAttributeSpecified(int i) { + return false; // not supported + } + + public boolean isCharacters() { + if (state == START_ELEMENT_STATE || state == END_ELEMENT_STATE) { + return false; + } + return childReader.isCharacters(); + } + + public boolean isEndElement() { + if (state == START_ELEMENT_STATE) { + return false; + } else if (state == END_ELEMENT_STATE) { + return true; + } + return childReader.isEndElement(); + } + + /** + * are we done ? + * + * @return + */ + public boolean isEndOfFragment() { + return state == END_ELEMENT_STATE; + } + + public boolean isStandalone() { + return true; + } + + public boolean isStartElement() { + if (state == START_ELEMENT_STATE) { + return true; + } else if (state == END_ELEMENT_STATE) { + return false; + } + return childReader.isStartElement(); + } + + public boolean isWhiteSpace() { + if (state == START_ELEMENT_STATE || state == END_ELEMENT_STATE) { + return false; + } + return childReader.isWhiteSpace(); + } + + /** + * Get the prefix list from the hastable and take that into an array + * + * @return + */ + private String[] makePrefixArray() { + String[] prefixes = + (String[]) declaredNamespaceMap.keySet().toArray(new String[declaredNamespaceMap.size()]); + Arrays.sort(prefixes); + return prefixes; + } + + public int next() throws XMLStreamException { + return updateStatus(); + } + + /** + * todo implement this + * + * @return + * @throws XMLStreamException + */ + public int nextTag() throws XMLStreamException { + return 0; + } + + // ///////////////////////////////////////////////////////////////////////// + // / Other utility methods + // //////////////////////////////////////////////////////////////////////// + + /** + * Populates a namespace context + */ + private void populateNamespaceContext() { + + // first add the current element namespace to the namespace context + // declare it if not found + registerNamespace(elementQName.getPrefix(), elementQName.getNamespaceURI()); + + // traverse through the attributes and populate the namespace context + // the attrib list can be of many combinations + // the valid combinations are + // String - String + // QName - QName + // null - OMAttribute + + if (attributes != null) { + for (int i = 0; i < attributes.length; i++) { // jump in two + Object attribName = attributes[i].getKey(); + if (attribName instanceof String) { + // ignore this case - Nothing to do + } else if (attribName instanceof QName) { + QName attribQName = (QName) attribName; + registerNamespace(attribQName.getPrefix(), attribQName.getNamespaceURI()); + + } + } + } + + } + + public final void populateProperties() { + if (properties != null) { + return; + } + if (elementQName == null) { + elementQName = namespaceContext.createQName(this.rootElementURI, this.rootElementName); + } else { + elementQName = + namespaceContext.createQName(elementQName.getNamespaceURI(), elementQName.getLocalPart()); + } + + List<Object> elementList = new ArrayList<Object>(); + List<Object> attributeList = new ArrayList<Object>(); + NamedNodeMap nodeMap = rootElement.getAttributes(); + for (int i = 0; i < nodeMap.getLength(); i++) { + Attr attr = (Attr) nodeMap.item(i); + if (XMLConstants.XMLNS_ATTRIBUTE_NS_URI.equals(attr.getNamespaceURI())) { + // Skip xmlns:xxx + if (!attr.getName().equals(attr.getLocalName())) { + // Skip xmlns="..." + registerNamespace(attr.getLocalName(), attr.getValue()); + } else { + registerNamespace(XMLConstants.DEFAULT_NS_PREFIX, attr.getValue()); + } + continue; + } + QName attrName = new QName(attr.getNamespaceURI(), attr.getLocalName()); + NameValuePair pair = new NameValuePair(attrName, attr.getValue()); + attributeList.add(pair); + } + NodeList nodeList = rootElement.getChildNodes(); + for (int i = 0; i < nodeList.getLength(); i++) { + Node node = nodeList.item(i); + switch (node.getNodeType()) { + case Node.TEXT_NODE: + case Node.CDATA_SECTION_NODE: + NameValuePair pair = new NameValuePair(ELEMENT_TEXT, ((CharacterData) node).getData()); + elementList.add(pair); + break; + + case Node.ELEMENT_NODE: + Element element = (Element) node; + QName elementName = new QName(element.getNamespaceURI(), element.getLocalName()); + pair = new NameValuePair(elementName, new DOMXMLStreamReader(element)); + elementList.add(pair); + break; + } + } + properties = elementList.toArray(new Map.Entry[elementList.size()]); + attributes = attributeList.toArray(new Map.Entry[attributeList.size()]); + } + + /** + * A convenient method to reuse the properties + * + * @return event to be thrown + * @throws XMLStreamException + */ + private int processProperties() throws XMLStreamException { + // move to the next property depending on the current property + // index + Object propPointer = properties[currentPropertyIndex].getKey(); + QName propertyQName = null; + boolean textFound = false; + if (propPointer == null) { + throw new XMLStreamException("property key cannot be null!"); + } else if (propPointer instanceof String) { + // propPointer being a String has a special case + // that is it can be a the special constant ELEMENT_TEXT that + // says this text event + if (ELEMENT_TEXT.equals(propPointer)) { + textFound = true; + } else { + propertyQName = new QName((String) propPointer); + } + } else if (propPointer instanceof QName) { + propertyQName = (QName) propPointer; + } else { + // oops - we've no idea what kind of key this is + throw new XMLStreamException("unidentified property key!!!" + propPointer); + } + + // ok! we got the key. Now look at the value + Object propertyValue = properties[currentPropertyIndex].getValue(); + // cater for the special case now + if (textFound) { + // no delegation here - make the parser null and immediately + // return with the event characters + childReader = null; + state = TEXT_STATE; + currentPropertyIndex++; + return CHARACTERS; + } else if (propertyValue == null || propertyValue instanceof String) { + // strings are handled by the NameValuePairStreamReader + childReader = new SimpleElementStreamReader(propertyQName, (String) propertyValue); + childReader.setParentNamespaceContext(this.namespaceContext); + childReader.init(); + } else if (propertyValue instanceof DOMXMLStreamReader) { + // ADBbean has it's own method to get a reader + XMLFragmentStreamReader reader = (DOMXMLStreamReader) propertyValue; + // we know for sure that this is an ADB XMLStreamreader. + // However we need to make sure that it is compatible + childReader = reader; + childReader.setParentNamespaceContext(this.namespaceContext); + childReader.init(); + } else { + // all special possiblilities has been tried! Let's treat + // the thing as a bean and try generating events from it + throw new UnsupportedOperationException("Not supported"); + // childReader = new + // WrappingXMLStreamReader(BeanUtil.getPullParser(propertyValue, + // propertyQName)); + // we cannot register the namespace context here + } + + // set the state here + state = DELEGATED_STATE; + // we are done with the delegation + // increment the property index + currentPropertyIndex++; + return childReader.getEventType(); + } + + /** + * @param prefix + * @param uri + */ + private void registerNamespace(String prefix, String uri) { + if (!uri.equals(namespaceContext.getNamespaceURI(prefix))) { + namespaceContext.registerMapping(prefix, uri); + declaredNamespaceMap.put(prefix, uri); + } + } + + public void require(int i, String string, String string1) throws XMLStreamException { + throw new UnsupportedOperationException(); + } + + /** + * add the namespace context + */ + + public void setParentNamespaceContext(NamespaceContext nsContext) { + // register the namespace context passed in to this + this.namespaceContext.setParent(nsContext); + + } + + public boolean standaloneSet() { + return true; + } + + /** + * By far this should be the most important method in this class this method changes the state of the parser + * according to the change in the + */ + private int updateStatus() throws XMLStreamException { + int returnEvent = -1; // invalid state is the default state + switch (state) { + case START_ELEMENT_STATE: + // current element is start element. We should be looking at the + // property list and making a pullparser for the property value + if (properties == null || properties.length == 0) { + // no properties - move to the end element state + // straightaway + state = END_ELEMENT_STATE; + returnEvent = END_ELEMENT; + } else { + // there are properties. now we should delegate this task to + // a + // child reader depending on the property type + returnEvent = processProperties(); + + } + break; + case END_ELEMENT_STATE: + // we've reached the end element already. If the user tries to + // push + // further ahead then it is an exception + throw new XMLStreamException("Trying to go beyond the end of the pullparser"); + + case DELEGATED_STATE: + if (childReader.isEndOfFragment()) { + // we've reached the end! + if (currentPropertyIndex > (properties.length - 1)) { + state = END_ELEMENT_STATE; + returnEvent = END_ELEMENT; + } else { + returnEvent = processProperties(); + } + } else { + returnEvent = childReader.next(); + } + break; + + case TEXT_STATE: + // if there are any more event we should be delegating to + // processProperties. if not we just return an end element + if (currentPropertyIndex > (properties.length - 1)) { + state = END_ELEMENT_STATE; + returnEvent = END_ELEMENT; + } else { + returnEvent = processProperties(); + } + break; + } + return returnEvent; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputSource2Node.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputSource2Node.java new file mode 100644 index 0000000000..e9757fa13c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputSource2Node.java @@ -0,0 +1,65 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.transform.Source; +import javax.xml.transform.dom.DOMResult; +import javax.xml.transform.stream.StreamSource; + +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; +import org.xml.sax.InputSource; + +/** + * Push DOM InputSource to Node + */ +@Service(Transformer.class) +public class InputSource2Node extends TransformerExtension<InputSource, Node> implements + PullTransformer<InputSource, Node> { + private static final Source2ResultTransformer TRANSFORMER = new Source2ResultTransformer(); + + public Node transform(InputSource source, TransformationContext context) { + try { + Source streamSource = new StreamSource(source.getCharacterStream()); + DOMResult result = new DOMResult(); + TRANSFORMER.transform(streamSource, result, context); + return result.getNode(); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return InputSource.class; + } + + public Class getTargetType() { + return Node.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputSource2SAX.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputSource2SAX.java new file mode 100644 index 0000000000..be78a07ede --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputSource2SAX.java @@ -0,0 +1,63 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.xml.sax.ContentHandler; +import org.xml.sax.InputSource; +import org.xml.sax.XMLReader; +import org.xml.sax.helpers.XMLReaderFactory; + +/** + * Push InputSource to SAX + */ +@Service(Transformer.class) +public class InputSource2SAX extends TransformerExtension<InputSource, ContentHandler> implements + PushTransformer<InputSource, ContentHandler> { + + public void transform(InputSource source, ContentHandler target, TransformationContext context) { + try { + XMLReader reader = XMLReaderFactory.createXMLReader(); + reader.setFeature("http://xml.org/sax/features/namespaces", true); + reader.setFeature("http://xml.org/sax/features/namespace-prefixes", false); + reader.setContentHandler(target); + reader.parse(source); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return InputSource.class; + } + + public Class getTargetType() { + return ContentHandler.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputStream2Node.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputStream2Node.java new file mode 100644 index 0000000000..e103c82b33 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputStream2Node.java @@ -0,0 +1,67 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.InputStream; + +import javax.xml.transform.Source; +import javax.xml.transform.dom.DOMResult; +import javax.xml.transform.sax.SAXSource; + +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; +import org.xml.sax.InputSource; + +/** + * Push DOM InputSource to Node + */ +@Service(Transformer.class) +public class InputStream2Node extends TransformerExtension<InputStream, Node> implements + PullTransformer<InputStream, Node> { + private static final Source2ResultTransformer TRANSFORMER = new Source2ResultTransformer(); + + public Node transform(InputStream source, TransformationContext context) { + try { + Source streamSource = new SAXSource(new InputSource(source)); + DOMResult result = new DOMResult(); + TRANSFORMER.transform(streamSource, result, context); + return result.getNode(); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return InputStream.class; + } + + public Class getTargetType() { + return Node.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputStream2SAX.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputStream2SAX.java new file mode 100644 index 0000000000..d74863ea95 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputStream2SAX.java @@ -0,0 +1,62 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.InputStream; + +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.xml.sax.ContentHandler; +import org.xml.sax.InputSource; +import org.xml.sax.XMLReader; +import org.xml.sax.helpers.XMLReaderFactory; + +/** + * Push InputStream to SAX + */ +@Service(Transformer.class) +public class InputStream2SAX extends TransformerExtension<InputStream, ContentHandler> implements + PushTransformer<InputStream, ContentHandler> { + public void transform(InputStream source, ContentHandler target, TransformationContext context) { + try { + XMLReader reader = XMLReaderFactory.createXMLReader(); + reader.setContentHandler(target); + reader.parse(new InputSource(source)); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return InputStream.class; + } + + public Class getTargetType() { + return ContentHandler.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2Object.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2Object.java new file mode 100644 index 0000000000..ec0560e878 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2Object.java @@ -0,0 +1,49 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.SimpleType2JavaTransformer; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Document; +import org.w3c.dom.Node; + +/** + * Transformer to convert data from an simple Node to Java Object + */ +@Service(Transformer.class) +public class Node2Object extends SimpleType2JavaTransformer<Node> { + + public Node2Object() { + super(null); + } + + @Override + protected String getText(Node source) { + if (source instanceof Document) { + source = ((Document)source).getDocumentElement(); + } + return source.getTextContent(); + } + + public Class getSourceType() { + return Node.class; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2OutputStream.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2OutputStream.java new file mode 100644 index 0000000000..34fbdf8c6f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2OutputStream.java @@ -0,0 +1,66 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.OutputStream; + +import javax.xml.transform.Result; +import javax.xml.transform.Source; +import javax.xml.transform.dom.DOMSource; +import javax.xml.transform.stream.StreamResult; + +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; + +/** + * Push DOM Node to OutputStream + */ +@Service(Transformer.class) +public class Node2OutputStream extends TransformerExtension<Node, OutputStream> implements + PushTransformer<Node, OutputStream> { + private static final Source2ResultTransformer TRANSFORMER = new Source2ResultTransformer(); + + public void transform(Node source, OutputStream writer, TransformationContext context) { + try { + Source domSource = new DOMSource(source); + Result result = new StreamResult(writer); + TRANSFORMER.transform(domSource, result, context); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return Node.class; + } + + public Class getTargetType() { + return OutputStream.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2String.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2String.java new file mode 100755 index 0000000000..92378e96a3 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2String.java @@ -0,0 +1,59 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.StringWriter; + +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; + +/** + * Transform DOM Node to XML String + */ +@Service(org.apache.tuscany.spi.databinding.Transformer.class) +public class Node2String extends TransformerExtension<Node, String> implements PullTransformer<Node, String> { + private static final Node2Writer TRANSFORMER = new Node2Writer(); + + public String transform(Node source, TransformationContext context) { + try { + StringWriter writer = new StringWriter(); + TRANSFORMER.transform(source, writer, context); + return writer.toString(); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return Node.class; + } + + public Class getTargetType() { + return String.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2Writer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2Writer.java new file mode 100644 index 0000000000..96328fdd2f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2Writer.java @@ -0,0 +1,65 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.Writer; + +import javax.xml.transform.Result; +import javax.xml.transform.Source; +import javax.xml.transform.dom.DOMSource; +import javax.xml.transform.stream.StreamResult; + +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; + +/** + * Push DOM Node to Writer + */ +@Service(Transformer.class) +public class Node2Writer extends TransformerExtension<Node, Writer> implements PushTransformer<Node, Writer> { + private static final Source2ResultTransformer TRANSFORMER = new Source2ResultTransformer(); + + public void transform(Node source, Writer writer, TransformationContext context) { + try { + Source domSource = new DOMSource(source); + Result result = new StreamResult(writer); + TRANSFORMER.transform(domSource, result, context); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return Node.class; + } + + public Class getTargetType() { + return Writer.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2XMLStreamReader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2XMLStreamReader.java new file mode 100644 index 0000000000..bff9051e01 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2XMLStreamReader.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.core.databinding.xml.StAXHelper.XMLDocumentStreamReader; +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; + +/** + * Transform DOM Node to XML XMLStreamReader + */ +@Service(Transformer.class) +public class Node2XMLStreamReader extends TransformerExtension<Node, XMLStreamReader> implements + PullTransformer<Node, XMLStreamReader> { + + public XMLStreamReader transform(Node source, TransformationContext context) { + try { + DOMXMLStreamReader reader = new DOMXMLStreamReader(source); + return new XMLDocumentStreamReader(reader); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return Node.class; + } + + public Class getTargetType() { + return XMLStreamReader.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Object2Node.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Object2Node.java new file mode 100644 index 0000000000..7f472ba4ff --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Object2Node.java @@ -0,0 +1,62 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.namespace.QName; +import javax.xml.parsers.ParserConfigurationException; + +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.DOMHelper; +import org.apache.tuscany.spi.databinding.extension.Java2SimpleTypeTransformer; +import org.apache.tuscany.spi.idl.ElementInfo; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Document; +import org.w3c.dom.Node; + +/** + * Transformer to convert data from a simple java object to Node + */ +@Service(Transformer.class) +public class Object2Node extends Java2SimpleTypeTransformer<Node> { + + private Document factory; + + public Object2Node() { + super(null); + try { + factory = DOMHelper.newDocument(); + } catch (ParserConfigurationException e) { + throw new TransformationException(e); + } + } + + protected Node createElement(ElementInfo element, String text, TransformationContext context) { + QName name = element.getQName(); + Node root = DOMHelper.createElement(factory, name); + root.appendChild(factory.createTextNode(text)); + return root; + } + + public Class getTargetType() { + return Node.class; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Reader2Node.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Reader2Node.java new file mode 100644 index 0000000000..02de055c35 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Reader2Node.java @@ -0,0 +1,65 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.Reader; + +import javax.xml.transform.Source; +import javax.xml.transform.dom.DOMResult; +import javax.xml.transform.stream.StreamSource; + +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; + +/** + * Push DOM Reader to Node + */ +@Service(Transformer.class) +public class Reader2Node extends TransformerExtension<Reader, Node> implements PullTransformer<Reader, Node> { + private static final Source2ResultTransformer TRANSFORMER = new Source2ResultTransformer(); + + public Node transform(Reader source, TransformationContext context) { + try { + Source streamSource = new StreamSource(source); + DOMResult result = new DOMResult(); + TRANSFORMER.transform(streamSource, result, context); + return result.getNode(); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return Reader.class; + } + + public Class getTargetType() { + return Node.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Reader2SAX.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Reader2SAX.java new file mode 100644 index 0000000000..0a4504b3de --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Reader2SAX.java @@ -0,0 +1,58 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.Reader; + +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.xml.sax.ContentHandler; +import org.xml.sax.InputSource; + +/** + * Transform XML string to SAX + */ +@Service(Transformer.class) +public class Reader2SAX extends TransformerExtension<Reader, ContentHandler> implements + PushTransformer<Reader, ContentHandler> { + public void transform(Reader source, ContentHandler target, TransformationContext context) { + try { + new InputSource2SAX().transform(new InputSource(source), target, context); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return Reader.class; + } + + public Class getTargetType() { + return ContentHandler.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/SAX2DOM.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/SAX2DOM.java new file mode 100644 index 0000000000..8f8f0f952e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/SAX2DOM.java @@ -0,0 +1,244 @@ +/* + * Copyright 2001-2004 The Apache Software Foundation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.tuscany.core.databinding.xml; + +import java.util.ArrayList; +import java.util.List; +import java.util.Stack; + +import javax.xml.parsers.ParserConfigurationException; + +import org.apache.tuscany.spi.databinding.extension.DOMHelper; +import org.w3c.dom.Comment; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.Node; +import org.w3c.dom.ProcessingInstruction; +import org.w3c.dom.Text; +import org.xml.sax.Attributes; +import org.xml.sax.ContentHandler; +import org.xml.sax.Locator; +import org.xml.sax.SAXException; +import org.xml.sax.ext.LexicalHandler; + +/** + * SAX2DOM adapter + */ +public class SAX2DOM implements ContentHandler, LexicalHandler { + public static final String EMPTYSTRING = ""; + public static final String XML_PREFIX = "xml"; + public static final String XMLNS_PREFIX = "xmlns"; + public static final String XMLNS_STRING = "xmlns:"; + public static final String XMLNS_URI = "http://www.w3.org/2000/xmlns/"; + + private Node root; + + private Document document; + + private Node nextSibling; + + private Stack<Node> nodeStk = new Stack<Node>(); + + private List<String> namespaceDecls; + + private Node lastSibling; + + public SAX2DOM() throws ParserConfigurationException { + this.document = DOMHelper.newDocument(); + this.root = document; + } + + public SAX2DOM(Node root, Node nextSibling) throws ParserConfigurationException { + this.root = root; + if (root instanceof Document) { + this.document = (Document)root; + } else if (root != null) { + this.document = root.getOwnerDocument(); + } else { + this.document = DOMHelper.newDocument(); + this.root = document; + } + + this.nextSibling = nextSibling; + } + + public SAX2DOM(Node root) throws ParserConfigurationException { + this(root, null); + } + + public Node getDOM() { + return root; + } + + public void characters(char[] ch, int start, int length) { + final Node last = (Node)nodeStk.peek(); + + // No text nodes can be children of root (DOM006 exception) + if (last != document) { + final String text = new String(ch, start, length); + if (lastSibling != null && lastSibling.getNodeType() == Node.TEXT_NODE) { + ((Text)lastSibling).appendData(text); + } else if (last == root && nextSibling != null) { + lastSibling = last.insertBefore(document.createTextNode(text), nextSibling); + } else { + lastSibling = last.appendChild(document.createTextNode(text)); + } + + } + } + + public void startDocument() { + nodeStk.push(root); + } + + public void endDocument() { + nodeStk.pop(); + } + + public void startElement(String namespace, String localName, String qName, Attributes attrs) { + final Element tmp = (Element)document.createElementNS(namespace, qName); + + // Add namespace declarations first + if (namespaceDecls != null) { + final int nDecls = namespaceDecls.size(); + for (int i = 0; i < nDecls; i++) { + final String prefix = (String)namespaceDecls.get(i++); + + if (prefix == null || prefix.equals(EMPTYSTRING)) { + tmp.setAttributeNS(XMLNS_URI, XMLNS_PREFIX, (String)namespaceDecls.get(i)); + } else { + tmp.setAttributeNS(XMLNS_URI, XMLNS_STRING + prefix, (String)namespaceDecls.get(i)); + } + } + namespaceDecls.clear(); + } + + // Add attributes to element + final int nattrs = attrs.getLength(); + for (int i = 0; i < nattrs; i++) { + if (attrs.getLocalName(i) == null) { + tmp.setAttribute(attrs.getQName(i), attrs.getValue(i)); + } else { + tmp.setAttributeNS(attrs.getURI(i), attrs.getQName(i), attrs.getValue(i)); + } + } + + // Append this new node onto current stack node + Node last = (Node)nodeStk.peek(); + + // If the SAX2DOM is created with a non-null next sibling node, + // insert the result nodes before the next sibling under the root. + if (last == root && nextSibling != null) { + last.insertBefore(tmp, nextSibling); + } else { + last.appendChild(tmp); + } + + // Push this node onto stack + nodeStk.push(tmp); + lastSibling = null; + } + + public void endElement(String namespace, String localName, String qName) { + nodeStk.pop(); + lastSibling = null; + } + + public void startPrefixMapping(String prefix, String uri) { + if (namespaceDecls == null) { + namespaceDecls = new ArrayList<String>(2); + } + namespaceDecls.add(prefix); + namespaceDecls.add(uri); + } + + public void endPrefixMapping(String prefix) { + // do nothing + } + + /** + * This class is only used internally so this method should never be called. + */ + public void ignorableWhitespace(char[] ch, int start, int length) { + } + + /** + * adds processing instruction node to DOM. + */ + public void processingInstruction(String target, String data) { + final Node last = (Node)nodeStk.peek(); + ProcessingInstruction pi = document.createProcessingInstruction(target, data); + if (pi != null) { + if (last == root && nextSibling != null) { + last.insertBefore(pi, nextSibling); + } else { + last.appendChild(pi); + } + + lastSibling = pi; + } + } + + /** + * This class is only used internally so this method should never be called. + */ + public void setDocumentLocator(Locator locator) { + } + + /** + * This class is only used internally so this method should never be called. + */ + public void skippedEntity(String name) { + } + + /** + * Lexical Handler method to create comment node in DOM tree. + */ + public void comment(char[] ch, int start, int length) { + final Node last = (Node)nodeStk.peek(); + Comment comment = document.createComment(new String(ch, start, length)); + if (comment != null) { + if (last == root && nextSibling != null) { + last.insertBefore(comment, nextSibling); + } else { + last.appendChild(comment); + } + + lastSibling = comment; + } + } + + // Lexical Handler methods- not implemented + public void startCDATA() { + } + + public void endCDATA() { + } + + public void startEntity(java.lang.String name) { + } + + public void endDTD() { + } + + public void endEntity(String name) { + } + + public void startDTD(String name, String publicId, String systemId) throws SAXException { + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/SAX2DOMPipe.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/SAX2DOMPipe.java new file mode 100644 index 0000000000..79118b4a2c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/SAX2DOMPipe.java @@ -0,0 +1,67 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.parsers.ParserConfigurationException; + +import org.apache.tuscany.spi.databinding.DataPipe; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; +import org.xml.sax.ContentHandler; + +@Service(Transformer.class) +public class SAX2DOMPipe extends TransformerExtension<ContentHandler, Node> implements + DataPipe<ContentHandler, Node> { + private SAX2DOM pipe; + + /** + * + */ + public SAX2DOMPipe() { + super(); + try { + this.pipe = new SAX2DOM(); + } catch (ParserConfigurationException e) { + throw new IllegalArgumentException(e); + } + } + + public Node getResult() { + return pipe.getDOM(); + } + + public Class getTargetType() { + return Node.class; + } + + public ContentHandler getSink() { + return pipe; + } + + public Class getSourceType() { + return ContentHandler.class; + } + + public int getWeight() { + return 30; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Source2ResultTransformer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Source2ResultTransformer.java new file mode 100755 index 0000000000..7db14efb39 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Source2ResultTransformer.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.transform.Result; +import javax.xml.transform.Source; +import javax.xml.transform.TransformerFactory; + +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; + +/** + * Transform TrAX Source to Result + */ +@Service(org.apache.tuscany.spi.databinding.Transformer.class) +public class Source2ResultTransformer extends TransformerExtension<Source, Result> implements + PushTransformer<Source, Result> { + private static final TransformerFactory FACTORY = TransformerFactory.newInstance(); + + public void transform(Source source, Result result, TransformationContext context) { + try { + javax.xml.transform.Transformer transformer = FACTORY.newTransformer(); + transformer.transform(source, result); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return Source.class; + } + + public Class getTargetType() { + return Result.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAX2SAXAdapter.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAX2SAXAdapter.java new file mode 100644 index 0000000000..63fa53edb4 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAX2SAXAdapter.java @@ -0,0 +1,256 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.namespace.QName; +import javax.xml.stream.Location; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.xml.sax.Attributes; +import org.xml.sax.ContentHandler; +import org.xml.sax.Locator; +import org.xml.sax.SAXException; +import org.xml.sax.helpers.AttributesImpl; + +/** + * Adapter that converts from StAX to SAX event streams. Currently the following + * SAX events are not generated: + * <ul> + * <li>ignorableWhitespace</li> + * <li>skippedEntity</li> + * <ul> + * Also the following StAX events are not mapped: + * <ul> + * <li>CDATA</li> + * <li>COMMENT</li> + * <li>DTD</li> + * <li>ENTITY_DECLARATION</li> + * <li>ENTITY_REFERENCE</li> + * <li>NOTATION_DECLARATION</li> + * <li>SPACE</li> + * </ul> + * StAX ATTRIBUTE events are ignored but the equivalent attributes (derived from + * the START_ELEMENT event) are supplied in the SAX startElement event's + * Attributes parameter. If the adaptor is configured to pass namespace prefixes + * then namespace information will also be included in the Attributes; StAX + * NAMESPACE events are ignored. <p/> Another issue is namespace processing. If + * the reader is positioned at a sub-node, we cannot capture all the in-scope + * namespace bindings. Therefore we cannot re-create a proper SAX event stream + * from a StAX parser. <p/> For example <p/> <a:root xmlns:a="foo" + * xmlns:b="bar"><b:sub>a:foo</b:sub></a:root> <p/> And if + * you are handed a parser at <b:sub>, then your SAX events should look + * like: <p/> <b:sub xmlns:a="foo" xmlns:b="bar">a:foo</b:sub> <p/> + * not: <p/> <b:sub>a:foo</b:sub> <p/> <p/> Proposal: we change the + * receiver of SAX events (SDOXMLResourceImpl) so that it uses NamespaceContext + * to resolve prefix (as opposed to record start/endPrefixMappings and use it + * for resolution.) + * + * @version $Rev$ $Date$ + */ +public class StAX2SAXAdapter { + private final boolean namespacePrefixes; + + /** + * Construct a new StAX to SAX adapter that will convert a StAX event stream + * into a SAX event stream. + * + * @param namespacePrefixes whether xmlns attributes should be included in + * startElement events; + */ + public StAX2SAXAdapter(boolean namespacePrefixes) { + this.namespacePrefixes = namespacePrefixes; + } + + /** + * Pull events from the StAX stream and dispatch to the SAX ContentHandler. + * The StAX stream would typically be located on a START_DOCUMENT or + * START_ELEMENT event and when this method returns it will be located on + * the associated END_DOCUMENT or END_ELEMENT event. Behaviour with other + * start events is undefined. + * + * @param reader StAX event source to read + * @param handler SAX ContentHandler for processing events + * @throws XMLStreamException if there was a problem reading the stream + * @throws SAXException passed through from the ContentHandler + */ + public void parse(XMLStreamReader reader, ContentHandler handler) throws XMLStreamException, SAXException { + handler.setDocumentLocator(new LocatorAdaptor(reader.getLocation())); + + // remembers the nest level of elements to know when we are done + int level = 0; + int event = reader.getEventType(); + while (true) { + switch (event) { + case XMLStreamConstants.START_DOCUMENT: + level++; + handler.startDocument(); + break; + case XMLStreamConstants.START_ELEMENT: + level++; + handleStartElement(reader, handler); + break; + case XMLStreamConstants.PROCESSING_INSTRUCTION: + handler.processingInstruction(reader.getPITarget(), reader.getPIData()); + break; + case XMLStreamConstants.CHARACTERS: + handler.characters(reader.getTextCharacters(), reader.getTextStart(), reader + .getTextLength()); + break; + case XMLStreamConstants.END_ELEMENT: + handleEndElement(reader, handler); + level--; + if (level == 0) { + return; + } + break; + case XMLStreamConstants.END_DOCUMENT: + handler.endDocument(); + return; + /* + * uncomment to handle all events rather than just mapped + * ones // StAX events that are not mapped to SAX case + * XMLStreamConstants.COMMENT: case + * XMLStreamConstants.SPACE: case + * XMLStreamConstants.ENTITY_REFERENCE: case + * XMLStreamConstants.DTD: case XMLStreamConstants.CDATA: + * case XMLStreamConstants.NOTATION_DECLARATION: case + * XMLStreamConstants.ENTITY_DECLARATION: break; // StAX + * events handled in START_ELEMENT case + * XMLStreamConstants.ATTRIBUTE: case + * XMLStreamConstants.NAMESPACE: break; default: throw new + * AssertionError("Unknown StAX event: " + event); + */ + } + event = reader.next(); + } + } + + private void handleStartElement(XMLStreamReader reader, ContentHandler handler) throws SAXException { + // send startPrefixMapping events immediately before startElement event + int nsCount = reader.getNamespaceCount(); + for (int i = 0; i < nsCount; i++) { + String prefix = reader.getNamespacePrefix(i); + if (prefix == null) { // true for default namespace + prefix = ""; + } + handler.startPrefixMapping(prefix, reader.getNamespaceURI(i)); + } + + // fire startElement + QName qname = reader.getName(); + String prefix = qname.getPrefix(); + String rawname; + if (prefix == null || prefix.length() == 0) { + rawname = qname.getLocalPart(); + } else { + rawname = prefix + ':' + qname.getLocalPart(); + } + Attributes attrs = getAttributes(reader); + handler.startElement(qname.getNamespaceURI(), qname.getLocalPart(), rawname, attrs); + } + + private static void handleEndElement(XMLStreamReader reader, ContentHandler handler) throws SAXException { + // fire endElement + QName qname = reader.getName(); + handler.endElement(qname.getNamespaceURI(), qname.getLocalPart(), qname.toString()); + + // send endPrefixMapping events immediately after endElement event + // we send them in the opposite order to that returned but this is not + // actually required by SAX + int nsCount = reader.getNamespaceCount(); + for (int i = nsCount - 1; i >= 0; i--) { + String prefix = reader.getNamespacePrefix(i); + if (prefix == null) { // true for default namespace + prefix = ""; + } + handler.endPrefixMapping(prefix); + } + } + + /** + * Get the attributes associated with the current START_ELEMENT event. + * + * @return the StAX attributes converted to org.xml.sax.Attributes + */ + private Attributes getAttributes(XMLStreamReader reader) { + assert reader.getEventType() == XMLStreamConstants.START_ELEMENT; + + AttributesImpl attrs = new AttributesImpl(); + + // add namespace declarations if required + if (namespacePrefixes) { + for (int i = 0; i < reader.getNamespaceCount(); i++) { + String prefix = reader.getNamespacePrefix(i); + String uri = reader.getNamespaceURI(i); + attrs.addAttribute(null, prefix, "xmlns:" + prefix, "CDATA", uri); + } + } + + // Regular attributes + for (int i = 0; i < reader.getAttributeCount(); i++) { + String uri = reader.getAttributeNamespace(i); + if (uri == null) { + uri = ""; + } + String localName = reader.getAttributeLocalName(i); + String prefix = reader.getAttributePrefix(i); + String qname; + if (prefix == null || prefix.length() == 0) { + qname = localName; + } else { + qname = prefix + ':' + localName; + } + String type = reader.getAttributeType(i); + String value = reader.getAttributeValue(i); + + attrs.addAttribute(uri, localName, qname, type, value); + } + + return attrs; + } + + /** + * Adaptor for mapping Locator information. + */ + private static final class LocatorAdaptor implements Locator { + private final Location location; + + private LocatorAdaptor(Location location) { + this.location = location; + } + + public int getColumnNumber() { + return location == null ? 0 : location.getColumnNumber(); + } + + public int getLineNumber() { + return location == null ? 0 : location.getLineNumber(); + } + + public String getPublicId() { + return location == null ? "" : location.getPublicId(); + } + + public String getSystemId() { + return location == null ? "" : location.getSystemId(); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAXHelper.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAXHelper.java new file mode 100755 index 0000000000..5426384961 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAXHelper.java @@ -0,0 +1,806 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.InputStream; +import java.io.OutputStream; +import java.io.Reader; +import java.io.StringReader; +import java.io.StringWriter; +import java.io.Writer; +import java.util.NoSuchElementException; +import javax.xml.namespace.NamespaceContext; +import javax.xml.namespace.QName; +import javax.xml.stream.Location; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; +import javax.xml.transform.Source; + +public final class StAXHelper { + private static final XMLInputFactory INPUT_FACTORY = XMLInputFactory.newInstance(); + private static final XMLOutputFactory OUTPUT_FACTORY = XMLOutputFactory.newInstance(); + + private StAXHelper() { + } + + /** + * This class is derived from Apache Axis2 class org.apache.axis2.util.StreamWrapper</a>. It's used wrap a + * XMLStreamReader to create a XMLStreamReader representing a document and it will produce START_DOCUMENT, + * END_DOCUMENT events. + */ + public static class XMLDocumentStreamReader implements XMLStreamReader { + private static final int STATE_COMPLETE_AT_NEXT = 2; // The wrapper + // will produce + // END_DOCUMENT + + private static final int STATE_COMPLETED = 3; // Done + + private static final int STATE_INIT = 0; // The wrapper will produce + // START_DOCUMENT + + private static final int STATE_SWITCHED = 1; // The real reader will + // produce events + + private XMLStreamReader realReader; + + private int state = STATE_INIT; + + public XMLDocumentStreamReader(XMLStreamReader realReader) { + if (realReader == null) { + throw new UnsupportedOperationException("Reader cannot be null"); + } + + this.realReader = realReader; + + // If the real reader is positioned at START_DOCUMENT, always use + // the real reader + if (realReader.getEventType() == START_DOCUMENT) { + state = STATE_SWITCHED; + } + } + + public void close() throws XMLStreamException { + realReader.close(); + } + + public int getAttributeCount() { + if (isDelegating()) { + return realReader.getAttributeCount(); + } else { + throw new IllegalStateException(); + } + } + + public String getAttributeLocalName(int i) { + if (isDelegating()) { + return realReader.getAttributeLocalName(i); + } else { + throw new IllegalStateException(); + } + } + + public QName getAttributeName(int i) { + if (isDelegating()) { + return realReader.getAttributeName(i); + } else { + throw new IllegalStateException(); + } + } + + public String getAttributeNamespace(int i) { + if (isDelegating()) { + return realReader.getAttributeNamespace(i); + } else { + throw new IllegalStateException(); + } + } + + public String getAttributePrefix(int i) { + if (isDelegating()) { + return realReader.getAttributePrefix(i); + } else { + throw new IllegalStateException(); + } + } + + public String getAttributeType(int i) { + if (isDelegating()) { + return realReader.getAttributeType(i); + } else { + throw new IllegalStateException(); + } + } + + public String getAttributeValue(int i) { + if (isDelegating()) { + return realReader.getAttributeValue(i); + } else { + throw new IllegalStateException(); + } + } + + public String getAttributeValue(String s, String s1) { + if (isDelegating()) { + return realReader.getAttributeValue(s, s1); + } else { + throw new IllegalStateException(); + } + } + + public String getCharacterEncodingScheme() { + return realReader.getCharacterEncodingScheme(); + } + + public String getElementText() throws XMLStreamException { + if (isDelegating()) { + return realReader.getElementText(); + } else { + throw new XMLStreamException(); + } + } + + public String getEncoding() { + return realReader.getEncoding(); + } + + public int getEventType() { + int event = -1; + switch (state) { + case STATE_SWITCHED: + case STATE_COMPLETE_AT_NEXT: + event = realReader.getEventType(); + break; + case STATE_INIT: + event = START_DOCUMENT; + break; + case STATE_COMPLETED: + event = END_DOCUMENT; + break; + } + return event; + } + + public String getLocalName() { + if (isDelegating()) { + return realReader.getLocalName(); + } else { + throw new IllegalStateException(); + } + } + + public Location getLocation() { + if (isDelegating()) { + return realReader.getLocation(); + } else { + return null; + } + } + + public QName getName() { + if (isDelegating()) { + return realReader.getName(); + } else { + throw new IllegalStateException(); + } + } + + public NamespaceContext getNamespaceContext() { + return realReader.getNamespaceContext(); + } + + public int getNamespaceCount() { + if (isDelegating()) { + return realReader.getNamespaceCount(); + } else { + throw new IllegalStateException(); + } + } + + public String getNamespacePrefix(int i) { + if (isDelegating()) { + return realReader.getNamespacePrefix(i); + } else { + throw new IllegalStateException(); + } + } + + public String getNamespaceURI() { + if (isDelegating()) { + return realReader.getNamespaceURI(); + } else { + throw new IllegalStateException(); + } + } + + public String getNamespaceURI(int i) { + if (isDelegating()) { + return realReader.getNamespaceURI(i); + } else { + throw new IllegalStateException(); + } + } + + public String getNamespaceURI(String s) { + if (isDelegating()) { + return realReader.getNamespaceURI(s); + } else { + throw new IllegalStateException(); + } + } + + public String getPIData() { + if (isDelegating()) { + return realReader.getPIData(); + } else { + throw new IllegalStateException(); + } + } + + public String getPITarget() { + if (isDelegating()) { + return realReader.getPITarget(); + } else { + throw new IllegalStateException(); + } + } + + public String getPrefix() { + if (isDelegating()) { + return realReader.getPrefix(); + } else { + throw new IllegalStateException(); + } + } + + public Object getProperty(String s) throws IllegalArgumentException { + if (isDelegating()) { + return realReader.getProperty(s); + } else { + throw new IllegalArgumentException(); + } + } + + public String getText() { + if (isDelegating()) { + return realReader.getText(); + } else { + throw new IllegalStateException(); + } + } + + public char[] getTextCharacters() { + if (isDelegating()) { + return realReader.getTextCharacters(); + } else { + throw new IllegalStateException(); + } + } + + public int getTextCharacters(int i, char[] chars, int i1, int i2) throws XMLStreamException { + if (isDelegating()) { + return realReader.getTextCharacters(i, chars, i1, i2); + } else { + throw new IllegalStateException(); + } + } + + public int getTextLength() { + if (isDelegating()) { + return realReader.getTextLength(); + } else { + throw new IllegalStateException(); + } + } + + public int getTextStart() { + if (isDelegating()) { + return realReader.getTextStart(); + } else { + throw new IllegalStateException(); + } + } + + public String getVersion() { + if (isDelegating()) { + return realReader.getVersion(); + } else { + return null; + } + } + + public boolean hasName() { + if (isDelegating()) { + return realReader.hasName(); + } else { + return false; + } + } + + public boolean hasNext() throws XMLStreamException { + if (state == STATE_COMPLETE_AT_NEXT) { + return true; + } else if (state == STATE_COMPLETED) { + return false; + } else if (state == STATE_SWITCHED) { + return realReader.hasNext(); + } else { + return true; + } + } + + public boolean hasText() { + if (isDelegating()) { + return realReader.hasText(); + } else { + return false; + } + } + + public boolean isAttributeSpecified(int i) { + if (isDelegating()) { + return realReader.isAttributeSpecified(i); + } else { + return false; + } + } + + public boolean isCharacters() { + if (isDelegating()) { + return realReader.isCharacters(); + } else { + return false; + } + } + + private boolean isDelegating() { + return state == STATE_SWITCHED || state == STATE_COMPLETE_AT_NEXT; + } + + public boolean isEndElement() { + if (isDelegating()) { + return realReader.isEndElement(); + } else { + return false; + } + } + + public boolean isStandalone() { + if (isDelegating()) { + return realReader.isStandalone(); + } else { + return false; + } + } + + public boolean isStartElement() { + if (isDelegating()) { + return realReader.isStartElement(); + } else { + return false; + } + } + + public boolean isWhiteSpace() { + if (isDelegating()) { + return realReader.isWhiteSpace(); + } else { + return false; + } + } + + public int next() throws XMLStreamException { + int returnEvent; + + switch (state) { + case STATE_SWITCHED: + returnEvent = realReader.next(); + if (returnEvent == END_DOCUMENT) { + state = STATE_COMPLETED; + } else if (!realReader.hasNext()) { + state = STATE_COMPLETE_AT_NEXT; + } + break; + case STATE_INIT: + state = STATE_SWITCHED; + returnEvent = realReader.getEventType(); + break; + case STATE_COMPLETE_AT_NEXT: + state = STATE_COMPLETED; + returnEvent = END_DOCUMENT; + break; + case STATE_COMPLETED: + // oops - no way we can go beyond this + throw new NoSuchElementException("End of stream has reached."); + default: + throw new UnsupportedOperationException(); + } + + return returnEvent; + } + + public int nextTag() throws XMLStreamException { + if (isDelegating()) { + return realReader.nextTag(); + } else { + throw new XMLStreamException(); + } + } + + public void require(int i, String s, String s1) throws XMLStreamException { + if (isDelegating()) { + realReader.require(i, s, s1); + } + } + + public boolean standaloneSet() { + if (isDelegating()) { + return realReader.standaloneSet(); + } else { + return false; + } + } + } + + public static interface XMLFragmentStreamReader extends XMLStreamReader { + + // this will help to handle Text within the current element. + // user should pass the element text to the property list as this + // ELEMENT_TEXT as the key. This key deliberately has a space in it + // so that it is not a valid XML name + String ELEMENT_TEXT = "Element Text"; + + /** + * Initiate the parser - this will do whatever the needed tasks to initiate the parser and must be called before + * attempting any specific parsing using this parser + */ + void init(); + + /** + * Extra method to query the state of the pullparser + */ + boolean isEndOfFragment(); + + /** + * add the parent namespace context to this parser + */ + void setParentNamespaceContext(NamespaceContext nsContext); + } + + /** + * The XMLStreamSerializer pulls events from the XMLStreamReader and dumps into the XMLStreamWriter + */ + public static class XMLStreamSerializer implements XMLStreamConstants { + public static final String NAMESPACE_PREFIX = "ns"; + private static int namespaceSuffix; + + /* + * The behavior of the serializer is such that it returns when it + * encounters the starting element for the second time. The depth + * variable tracks the depth of the serilizer and tells it when to + * return. Note that it is assumed that this serialization starts on an + * Element. + */ + + /** + * Field depth + */ + private int depth; + + /** + * Generates a unique namespace prefix that is not in the scope of the NamespaceContext + * + * @param nsCtxt + * @return string + */ + private String generateUniquePrefix(NamespaceContext nsCtxt) { + String prefix = NAMESPACE_PREFIX + namespaceSuffix++; + // null should be returned if the prefix is not bound! + while (nsCtxt.getNamespaceURI(prefix) != null) { + prefix = NAMESPACE_PREFIX + namespaceSuffix++; + } + + return prefix; + } + + /** + * Method serialize. + * + * @param node + * @param writer + * @throws XMLStreamException + */ + public void serialize(XMLStreamReader node, XMLStreamWriter writer) throws XMLStreamException { + serializeNode(node, writer); + } + + /** + * @param reader + * @param writer + * @throws XMLStreamException + */ + protected void serializeAttributes(XMLStreamReader reader, XMLStreamWriter writer) + throws XMLStreamException { + int count = reader.getAttributeCount(); + String prefix; + String namespaceName; + String writerPrefix; + for (int i = 0; i < count; i++) { + prefix = reader.getAttributePrefix(i); + namespaceName = reader.getAttributeNamespace(i); + /* + * Due to parser implementations returning null as the namespace + * URI (for the empty namespace) we need to make sure that we + * deal with a namespace name that is not null. The best way to + * work around this issue is to set the namespace uri to "" if + * it is null + */ + if (namespaceName == null) { + namespaceName = ""; + } + + writerPrefix = writer.getNamespaceContext().getPrefix(namespaceName); + + if (!"".equals(namespaceName)) { + // prefix has already being declared but this particular + // attrib has a + // no prefix attached. So use the prefix provided by the + // writer + if (writerPrefix != null && (prefix == null || prefix.equals(""))) { + writer.writeAttribute(writerPrefix, + namespaceName, + reader.getAttributeLocalName(i), + reader.getAttributeValue(i)); + + // writer prefix is available but different from the + // current + // prefix of the attrib. We should be decalring the new + // prefix + // as a namespace declaration + } else if (prefix != null && !"".equals(prefix) && !prefix.equals(writerPrefix)) { + writer.writeNamespace(prefix, namespaceName); + writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader + .getAttributeValue(i)); + + // prefix is null (or empty), but the namespace name is + // valid! it has not + // being written previously also. So we need to generate + // a prefix + // here + } else if (prefix == null || prefix.equals("")) { + prefix = generateUniquePrefix(writer.getNamespaceContext()); + writer.writeNamespace(prefix, namespaceName); + writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader + .getAttributeValue(i)); + } else { + writer.writeAttribute(prefix, namespaceName, reader.getAttributeLocalName(i), reader + .getAttributeValue(i)); + } + } else { + // empty namespace is equal to no namespace! + writer.writeAttribute(reader.getAttributeLocalName(i), reader.getAttributeValue(i)); + } + + } + } + + /** + * Method serializeCData. + * + * @param reader + * @param writer + * @throws XMLStreamException + */ + protected void serializeCData(XMLStreamReader reader, XMLStreamWriter writer) + throws XMLStreamException { + writer.writeCData(reader.getText()); + } + + /** + * Method serializeComment. + * + * @param reader + * @param writer + * @throws XMLStreamException + */ + protected void serializeComment(XMLStreamReader reader, XMLStreamWriter writer) + throws XMLStreamException { + writer.writeComment(reader.getText()); + } + + /** + * @param reader + * @param writer + * @throws XMLStreamException + */ + protected void serializeElement(XMLStreamReader reader, XMLStreamWriter writer) + throws XMLStreamException { + String prefix = reader.getPrefix(); + String nameSpaceName = reader.getNamespaceURI(); + if (nameSpaceName != null) { + String writerPrefix = writer.getPrefix(nameSpaceName); + if (writerPrefix != null) { + writer.writeStartElement(nameSpaceName, reader.getLocalName()); + } else { + if (prefix != null) { + writer.writeStartElement(prefix, reader.getLocalName(), nameSpaceName); + writer.writeNamespace(prefix, nameSpaceName); + writer.setPrefix(prefix, nameSpaceName); + } else { + writer.writeStartElement(nameSpaceName, reader.getLocalName()); + writer.writeDefaultNamespace(nameSpaceName); + writer.setDefaultNamespace(nameSpaceName); + } + } + } else { + writer.writeStartElement(reader.getLocalName()); + } + + // add the namespaces + int count = reader.getNamespaceCount(); + String namespacePrefix; + for (int i = 0; i < count; i++) { + namespacePrefix = reader.getNamespacePrefix(i); + if (namespacePrefix != null && namespacePrefix.length() == 0) { + continue; + } + + serializeNamespace(namespacePrefix, reader.getNamespaceURI(i), writer); + } + + // add attributes + serializeAttributes(reader, writer); + + } + + /** + * Method serializeEndElement. + * + * @param writer + * @throws XMLStreamException + */ + protected void serializeEndElement(XMLStreamWriter writer) throws XMLStreamException { + writer.writeEndElement(); + } + + /** + * Method serializeNamespace. + * + * @param prefix + * @param uri + * @param writer + * @throws XMLStreamException + */ + private void serializeNamespace(String prefix, String uri, XMLStreamWriter writer) + throws XMLStreamException { + String prefix1 = writer.getPrefix(uri); + if (prefix1 == null) { + writer.writeNamespace(prefix, uri); + writer.setPrefix(prefix, uri); + } + } + + /** + * Method serializeNode. + * + * @param reader + * @param writer + * @throws XMLStreamException + */ + protected void serializeNode(XMLStreamReader reader, XMLStreamWriter writer) + throws XMLStreamException { + // TODO We get the StAXWriter at this point and uses it hereafter + // assuming that this is the only entry point + // to this class. + // If there can be other classes calling methodes of this we might + // need to change methode signatures to + // OMOutputer + while (reader.hasNext()) { + int event = reader.next(); + if (event == START_ELEMENT) { + serializeElement(reader, writer); + depth++; + } else if (event == ATTRIBUTE) { + serializeAttributes(reader, writer); + } else if (event == CHARACTERS) { + serializeText(reader, writer); + } else if (event == COMMENT) { + serializeComment(reader, writer); + } else if (event == CDATA) { + serializeCData(reader, writer); + } else if (event == END_ELEMENT) { + serializeEndElement(writer); + depth--; + } else if (event == START_DOCUMENT) { + depth++; // if a start document is found then increment + // the depth + } else if (event == END_DOCUMENT) { + if (depth != 0) { + depth--; // for the end document - reduce the depth + } + try { + serializeEndElement(writer); + } catch (Exception e) { + // TODO: log exceptions + } + } + if (depth == 0) { + break; + } + } + } + + /** + * @param reader + * @param writer + * @throws XMLStreamException + */ + protected void serializeText(XMLStreamReader reader, XMLStreamWriter writer) + throws XMLStreamException { + writer.writeCharacters(reader.getText()); + } + } + + public static XMLStreamReader createXMLStreamReader(InputStream inputStream) throws XMLStreamException { + return INPUT_FACTORY.createXMLStreamReader(inputStream); + } + + public static XMLStreamReader createXMLStreamReader(Reader reader) throws XMLStreamException { + return INPUT_FACTORY.createXMLStreamReader(reader); + } + + public static XMLStreamReader createXMLStreamReader(Source source) throws XMLStreamException { + return INPUT_FACTORY.createXMLStreamReader(source); + } + + public static XMLStreamReader createXMLStreamReader(String string) throws XMLStreamException { + StringReader reader = new StringReader(string); + return createXMLStreamReader(reader); + } + + public static String save(XMLStreamReader reader) throws XMLStreamException { + StringWriter writer = new StringWriter(); + save(reader, writer); + return writer.toString(); + } + + public static void save(XMLStreamReader reader, OutputStream outputStream) throws XMLStreamException { + XMLStreamSerializer serializer = new XMLStreamSerializer(); + XMLStreamWriter streamWriter = OUTPUT_FACTORY.createXMLStreamWriter(outputStream); + serializer.serialize(reader, streamWriter); + streamWriter.flush(); + } + + public static void save(XMLStreamReader reader, Writer writer) throws XMLStreamException { + XMLStreamSerializer serializer = new XMLStreamSerializer(); + XMLStreamWriter streamWriter = OUTPUT_FACTORY.createXMLStreamWriter(writer); + serializer.serialize(reader, streamWriter); + streamWriter.flush(); + } + + public static void save(XMLStreamReader reader, XMLStreamWriter writer) throws XMLStreamException { + XMLStreamSerializer serializer = new XMLStreamSerializer(); + serializer.serialize(reader, writer); + writer.flush(); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StreamDataPipe.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StreamDataPipe.java new file mode 100755 index 0000000000..d0b6ce07f2 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StreamDataPipe.java @@ -0,0 +1,57 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.InputStream; +import java.io.OutputStream; + +import org.apache.tuscany.spi.databinding.DataPipe; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; + +@Service(Transformer.class) +public class StreamDataPipe extends TransformerExtension<OutputStream, InputStream> implements + DataPipe<OutputStream, InputStream> { + + private ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + + public InputStream getResult() { + return new ByteArrayInputStream(outputStream.toByteArray()); + } + + public Class getTargetType() { + return InputStream.class; + } + + public int getWeight() { + return 50; + } + + public OutputStream getSink() { + return outputStream; + } + + public Class getSourceType() { + return OutputStream.class; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2Node.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2Node.java new file mode 100755 index 0000000000..3f878a07b9 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2Node.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.StringReader; + +import javax.xml.parsers.DocumentBuilder; + +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.DOMHelper; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; +import org.xml.sax.InputSource; + +@Service(Transformer.class) +public class String2Node extends TransformerExtension<String, Node> implements PullTransformer<String, Node> { + + public Node transform(String source, TransformationContext context) { + try { + DocumentBuilder builder = DOMHelper.newDocumentBuilder(); + InputSource inputSource = new InputSource(new StringReader(source)); + return builder.parse(inputSource); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return String.class; + } + + public Class getTargetType() { + return Node.class; + } + + public int getWeight() { + return 50; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2SAX.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2SAX.java new file mode 100644 index 0000000000..50ea110b17 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2SAX.java @@ -0,0 +1,59 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.StringReader; + +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.xml.sax.ContentHandler; +import org.xml.sax.InputSource; + +/** + * Transform XML string to SAX + */ +@Service(Transformer.class) +public class String2SAX extends TransformerExtension<String, ContentHandler> implements + PushTransformer<String, ContentHandler> { + + public void transform(String source, ContentHandler target, TransformationContext context) { + try { + new InputSource2SAX().transform(new InputSource(new StringReader(source)), target, context); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return String.class; + } + + public Class getTargetType() { + return ContentHandler.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2XMLStreamReader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2XMLStreamReader.java new file mode 100755 index 0000000000..9793cc3f7e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2XMLStreamReader.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; + +@Service(Transformer.class) +public class String2XMLStreamReader extends TransformerExtension<String, XMLStreamReader> implements + PullTransformer<String, XMLStreamReader> { + + public XMLStreamReader transform(String source, TransformationContext context) { + try { + return StAXHelper.createXMLStreamReader(source); + } catch (XMLStreamException e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return String.class; + } + + public Class getTargetType() { + return XMLStreamReader.class; + } + + public int getWeight() { + return 50; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Writer2ReaderDataPipe.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Writer2ReaderDataPipe.java new file mode 100755 index 0000000000..c66d0fd934 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Writer2ReaderDataPipe.java @@ -0,0 +1,56 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import java.io.Reader; +import java.io.StringReader; +import java.io.StringWriter; +import java.io.Writer; + +import org.apache.tuscany.spi.databinding.DataPipe; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; + +@Service(Transformer.class) +public class Writer2ReaderDataPipe extends TransformerExtension<Writer, Reader> implements DataPipe<Writer, Reader> { + + private StringWriter writer = new StringWriter(); + + public Reader getResult() { + return new StringReader(writer.toString()); + } + + public Class getTargetType() { + return Reader.class; + } + + public int getWeight() { + return 50; + } + + public Writer getSink() { + return writer; + } + + public Class getSourceType() { + return Writer.class; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2Node.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2Node.java new file mode 100644 index 0000000000..6ecaa85be4 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2Node.java @@ -0,0 +1,62 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; + +/** + * Transform DOM Node to XML XMLStreamReader + */ +@Service(Transformer.class) +public class XMLStreamReader2Node extends TransformerExtension<XMLStreamReader, Node> implements + PullTransformer<XMLStreamReader, Node> { + private SAX2DOMPipe pipe = new SAX2DOMPipe(); + + private XMLStreamReader2SAX stax2sax = new XMLStreamReader2SAX(); + + public Node transform(XMLStreamReader source, TransformationContext context) { + try { + stax2sax.transform(source, pipe.getSink(), context); + return pipe.getResult(); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return XMLStreamReader.class; + } + + public Class getTargetType() { + return Node.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2SAX.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2SAX.java new file mode 100644 index 0000000000..0c6f0b8df7 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2SAX.java @@ -0,0 +1,73 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.databinding.PushTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; +import org.xml.sax.ContentHandler; + +/** + * XMLStreamReader to SAX events + */ +@Service(Transformer.class) +public class XMLStreamReader2SAX extends TransformerExtension<XMLStreamReader, ContentHandler> implements + PushTransformer<XMLStreamReader, ContentHandler> { + + /** + * @see org.apache.tuscany.spi.databinding.PushTransformer#getSourceType() + */ + public Class getTargetType() { + return ContentHandler.class; + } + + /** + * @see org.apache.tuscany.spi.databinding.PushTransformer#getSourceType() + */ + public Class getSourceType() { + return XMLStreamReader.class; + } + + /** + * @see org.apache.tuscany.spi.databinding.PushTransformer#getWeight() + */ + public int getWeight() { + return 20; + } + + /** + * @see org.apache.tuscany.spi.databinding.PushTransformer#transform(java.lang.Object, + * java.lang.Object, + * org.apache.tuscany.spi.databinding.TransformationContext) + */ + public void transform(XMLStreamReader source, ContentHandler sink, TransformationContext context) { + StAX2SAXAdapter adapter = new StAX2SAXAdapter(false); + try { + adapter.parse(source, sink); + } catch (Exception e) { + throw new TransformationException(e); + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2String.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2String.java new file mode 100755 index 0000000000..85ac7b5af6 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2String.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.databinding.xml; + +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.databinding.PullTransformer; +import org.apache.tuscany.spi.databinding.TransformationContext; +import org.apache.tuscany.spi.databinding.TransformationException; +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.extension.TransformerExtension; +import org.osoa.sca.annotations.Service; + +@Service(Transformer.class) +public class XMLStreamReader2String extends TransformerExtension<XMLStreamReader, String> implements + PullTransformer<XMLStreamReader, String> { + + public String transform(XMLStreamReader source, TransformationContext context) { + try { + return StAXHelper.save(source); + } catch (XMLStreamException e) { + throw new TransformationException(e); + } + } + + public Class getSourceType() { + return XMLStreamReader.class; + } + + public Class getTargetType() { + return String.class; + } + + public int getWeight() { + return 40; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStringDataBinding.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStringDataBinding.java new file mode 100644 index 0000000000..39e9362524 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStringDataBinding.java @@ -0,0 +1,33 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.databinding.xml; + +import org.apache.tuscany.spi.databinding.extension.DataBindingExtension; + +/** + * A DataBinding for the XML string + */ +public class XMLStringDataBinding extends DataBindingExtension { + public static final String NAME = String.class.getName(); + + public XMLStringDataBinding() { + super(NAME, String.class); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/AbstractDeploymentContext.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/AbstractDeploymentContext.java new file mode 100644 index 0000000000..c931cccde9 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/AbstractDeploymentContext.java @@ -0,0 +1,61 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.deployer; + +import java.net.URL; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.deployer.DeploymentContext; + +/** + * Base class for DeploymentContext implementations. + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractDeploymentContext implements DeploymentContext { + private final ClassLoader classLoader; + private final URL scdlLocation; + private final Map<String, Object> properties = new HashMap<String, Object>(); + + protected AbstractDeploymentContext(ClassLoader classLoader, URL scdlLocation) { + this.classLoader = classLoader; + this.scdlLocation = scdlLocation; + } + + public ClassLoader getClassLoader() { + return classLoader; + } + + public URL getScdlLocation() { + return scdlLocation; + } + + public Object getExtension(String name) { + return properties.get(name); + } + + public void putExtension(String name, Object value) { + if (value == null) { + properties.remove(name); + } else { + properties.put(name, value); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/ChildDeploymentContext.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/ChildDeploymentContext.java new file mode 100644 index 0000000000..c489ba04c3 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/ChildDeploymentContext.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.deployer; + +import java.net.URL; +import javax.xml.stream.XMLInputFactory; + +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.deployer.DeploymentContext; + +/** + * An holder that can be used during the load process to store information that is not part of the logical assembly + * model. This should be regarded as transient and references to this context should not be stored inside the model. + * + * @version $Rev$ $Date$ + */ +public class ChildDeploymentContext extends AbstractDeploymentContext { + private final DeploymentContext parent; + + /** + * Constructor specifying the loader for application resources. + * + * @param parent the parent of this context + * @param classLoader the loader for application resources + * @param scdlLocation the location of the SCDL being deployed + */ + public ChildDeploymentContext(DeploymentContext parent, ClassLoader classLoader, URL scdlLocation) { + super(classLoader, scdlLocation); + assert parent != null; + this.parent = parent; + } + + public DeploymentContext getParent() { + return parent; + } + + public XMLInputFactory getXmlFactory() { + return parent.getXmlFactory(); + } + + public ScopeContainer getCompositeScope() { + return parent.getCompositeScope(); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/DeployerImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/DeployerImpl.java new file mode 100644 index 0000000000..303513f520 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/DeployerImpl.java @@ -0,0 +1,145 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.deployer; + +import javax.xml.stream.XMLInputFactory; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.builder.Builder; +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.builder.BuilderInstantiationException; +import org.apache.tuscany.spi.builder.BuilderRegistry; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.ComponentRegistrationException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.PrepareException; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.component.ScopeContainerMonitor; +import org.apache.tuscany.spi.deployer.Deployer; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.event.Event; +import org.apache.tuscany.spi.event.RuntimeEventListener; +import org.apache.tuscany.spi.loader.Loader; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.Implementation; + +import org.apache.tuscany.api.annotation.Monitor; +import org.apache.tuscany.core.component.event.CompositeStop; +import org.apache.tuscany.core.component.scope.CompositeScopeContainer; + +/** + * Default implementation of Deployer. + * + * @version $Rev$ $Date$ + */ +public class DeployerImpl implements Deployer { + private XMLInputFactory xmlFactory; + private Loader loader; + private Builder builder; + private ScopeContainerMonitor monitor; + + public DeployerImpl(XMLInputFactory xmlFactory, Loader loader, Builder builder) { + this.xmlFactory = xmlFactory; + this.loader = loader; + this.builder = builder; + } + + public DeployerImpl() { + xmlFactory = XMLInputFactory.newInstance("javax.xml.stream.XMLInputFactory", getClass().getClassLoader()); + } + + @Autowire + public void setLoader(LoaderRegistry loader) { + this.loader = loader; + } + + @Autowire + public void setBuilder(BuilderRegistry builder) { + this.builder = builder; + } + + @Monitor + public void setMonitor(ScopeContainerMonitor monitor) { + this.monitor = monitor; + } + + public <I extends Implementation<?>> Component deploy(CompositeComponent parent, + ComponentDefinition<I> componentDefinition) + throws LoaderException, BuilderException, PrepareException { + final ScopeContainer scopeContainer = new CompositeScopeContainer(monitor); + scopeContainer.start(); + DeploymentContext deploymentContext = new RootDeploymentContext(null, xmlFactory, scopeContainer, null); + try { + load(parent, componentDefinition, deploymentContext); + } catch (LoaderException e) { + e.addContextName(componentDefinition.getName()); + throw e; + } + Component component = (Component) build(parent, componentDefinition, deploymentContext); + // create a listener so the scope container is shutdown when the top-level composite stops + RuntimeEventListener listener = new RuntimeEventListener() { + public void onEvent(Event event) { + scopeContainer.onEvent(event); + if (event instanceof CompositeStop) { + scopeContainer.stop(); + } + } + }; + component.addListener(listener); + component.prepare(); + try { + parent.register(component); + } catch (ComponentRegistrationException e) { + throw new BuilderInstantiationException("Error registering component", e); + } + return component; + } + + /** + * Load the componentDefinition type information for the componentDefinition being deployed. For a typical + * deployment this will result in the SCDL definition being loaded. + * + * @param componentDefinition the componentDefinition being deployed + * @param deploymentContext the current deployment context + */ + protected <I extends Implementation<?>> void load(CompositeComponent parent, + ComponentDefinition<I> componentDefinition, + DeploymentContext deploymentContext) throws LoaderException { + loader.loadComponentType(parent, componentDefinition.getImplementation(), deploymentContext); + } + + /** + * Build the runtime context for a loaded componentDefinition. + * + * @param parent the context that will be the parent of the new sub-context + * @param componentDefinition the componentDefinition being deployed + * @param deploymentContext the current deployment context + * @return the new runtime context + */ + protected <I extends Implementation<?>> SCAObject build(CompositeComponent parent, + ComponentDefinition<I> componentDefinition, + DeploymentContext deploymentContext) + throws BuilderException { + return builder.build(parent, componentDefinition, deploymentContext); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/RootDeploymentContext.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/RootDeploymentContext.java new file mode 100644 index 0000000000..be5cc56d51 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/deployer/RootDeploymentContext.java @@ -0,0 +1,65 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.deployer; + +import java.net.URL; +import javax.xml.stream.XMLInputFactory; + +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.deployer.DeploymentContext; + +/** + * A holder that can be used during the load process to store information that is not part of the logical assembly + * model. This should be regarded as transient and references to this context should not be stored inside the model. + * + * @version $Rev$ $Date$ + */ +public class RootDeploymentContext extends AbstractDeploymentContext { + private final XMLInputFactory xmlFactory; + private final ScopeContainer scopeContainer; + + /** + * Constructor specifying the loader for application resources. + * + * @param classLoader the loader for application resources + * @param xmlFactory a factory that can be used to obtain an StAX XMLStreamReader + * @param scopeContainer the scope context representing this deployment's COMPOSITE scope + * @param scdlLocation the location of the SCDL being deployed + */ + public RootDeploymentContext(ClassLoader classLoader, + XMLInputFactory xmlFactory, + ScopeContainer scopeContainer, + URL scdlLocation) { + super(classLoader, scdlLocation); + this.xmlFactory = xmlFactory; + this.scopeContainer = scopeContainer; + } + + public DeploymentContext getParent() { + return null; + } + + public XMLInputFactory getXmlFactory() { + return xmlFactory; + } + + public ScopeContainer getCompositeScope() { + return scopeContainer; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/IllegalCallbackException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/IllegalCallbackException.java new file mode 100644 index 0000000000..f52bd4cfb1 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/IllegalCallbackException.java @@ -0,0 +1,34 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.idl.java; + +import org.apache.tuscany.spi.idl.InvalidServiceContractException; + +/** + * Denotes an illegal callback interface + * + * @version $Rev$ $Date$ + */ + +public class IllegalCallbackException extends InvalidServiceContractException { + + public IllegalCallbackException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/InterfaceJavaLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/InterfaceJavaLoader.java new file mode 100644 index 0000000000..9c272af719 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/InterfaceJavaLoader.java @@ -0,0 +1,118 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.idl.java; + +import java.util.HashMap; +import java.util.Map; +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.idl.InvalidServiceContractException; +import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessorRegistry; +import org.apache.tuscany.spi.idl.java.JavaServiceContract; +import org.apache.tuscany.spi.loader.InvalidValueException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.LoaderUtil; +import org.apache.tuscany.spi.model.DataType; +import org.apache.tuscany.spi.model.InteractionScope; +import org.apache.tuscany.spi.model.ModelObject; + +import org.apache.tuscany.core.loader.StAXUtil; + +/** + * Loads a Java interface definition from an XML-based assembly file + * + * @version $Rev$ $Date$ + */ +public class InterfaceJavaLoader extends LoaderExtension<JavaServiceContract> { + public static final QName INTERFACE_JAVA = new QName(XML_NAMESPACE_1_0, "interface.java"); + + private final JavaInterfaceProcessorRegistry interfaceRegsitry; + + @Constructor({"registry", "interfaceRegsitry"}) + public InterfaceJavaLoader(@Autowire LoaderRegistry registry, + @Autowire JavaInterfaceProcessorRegistry interfaceRegistry) { + super(registry); + this.interfaceRegsitry = interfaceRegistry; + } + + public QName getXMLType() { + return INTERFACE_JAVA; + } + + public JavaServiceContract load(CompositeComponent parent, + ModelObject object, XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + + assert INTERFACE_JAVA.equals(reader.getName()); + InteractionScope interactionScope = StAXUtil.interactionScope(reader.getAttributeValue(null, "scope")); + String name = reader.getAttributeValue(null, "interface"); + if (name == null) { + // allow "class" as well as seems to be a common mistake + name = reader.getAttributeValue(null, "class"); + } + if (name == null) { + throw new InvalidValueException("interface name not supplied"); + } + Class<?> interfaceClass = LoaderUtil.loadClass(name, deploymentContext.getClassLoader()); + + name = reader.getAttributeValue(null, "callbackInterface"); + Class<?> callbackClass = (name != null) ? LoaderUtil.loadClass(name, deploymentContext.getClassLoader()) : null; + + Map<Class<?>, ModelObject> extensions = new HashMap<Class<?>, ModelObject>(); + while (true) { + int event = reader.next(); + if (event == XMLStreamConstants.START_ELEMENT) { + ModelObject mo = registry.load(parent, null, reader, deploymentContext); + if (mo != null) { + extensions.put(mo.getClass(), mo); + } + } else if (event == XMLStreamConstants.END_ELEMENT && reader.getName().equals(INTERFACE_JAVA)) { + break; + } + } + JavaServiceContract serviceContract; + try { + serviceContract = interfaceRegsitry.introspect(interfaceClass, callbackClass); + } catch (InvalidServiceContractException e) { + throw new LoaderException(interfaceClass.getName(), e); + } + + // Set databinding from the SCDL extension <databinding> + DataType<?> dataType = (DataType<?>) extensions.get(DataType.class); + if (dataType != null) { + serviceContract.setDataBinding(dataType.getDataBinding()); + } + serviceContract.getExtensions().putAll(extensions); + + serviceContract.setInteractionScope(interactionScope); + return serviceContract; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/JavaInterfaceProcessorRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/JavaInterfaceProcessorRegistryImpl.java new file mode 100644 index 0000000000..cd108ab238 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/JavaInterfaceProcessorRegistryImpl.java @@ -0,0 +1,162 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.idl.java; + +import java.lang.reflect.Method; +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.osoa.sca.annotations.Callback; +import org.osoa.sca.annotations.EndConversation; +import org.osoa.sca.annotations.OneWay; +import org.osoa.sca.annotations.Remotable; +import org.osoa.sca.annotations.Scope; + +import org.apache.tuscany.spi.idl.InvalidConversationalOperationException; +import org.apache.tuscany.spi.idl.InvalidServiceContractException; +import org.apache.tuscany.spi.idl.OverloadedOperationException; +import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessor; +import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessorRegistry; +import org.apache.tuscany.spi.idl.java.JavaServiceContract; +import org.apache.tuscany.spi.model.DataType; +import org.apache.tuscany.spi.model.InteractionScope; +import org.apache.tuscany.spi.model.Operation; +import static org.apache.tuscany.spi.model.Operation.CONVERSATION_END; +import static org.apache.tuscany.spi.model.Operation.NO_CONVERSATION; + +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.getBaseName; + +/** + * Default implementation of an InterfaceJavaIntrospector. + * + * @version $Rev$ $Date$ + */ +public class JavaInterfaceProcessorRegistryImpl implements JavaInterfaceProcessorRegistry { + public static final String IDL_INPUT = "idl:input"; + + private static final String UNKNOWN_DATABINDING = null; + + private List<JavaInterfaceProcessor> processors = new ArrayList<JavaInterfaceProcessor>(); + + public JavaInterfaceProcessorRegistryImpl() { + } + + public void registerProcessor(JavaInterfaceProcessor processor) { + processors.add(processor); + } + + public void unregisterProcessor(JavaInterfaceProcessor processor) { + processors.remove(processor); + } + + public <T> JavaServiceContract introspect(Class<T> type) throws InvalidServiceContractException { + Class<?> callbackClass = null; + Callback callback = type.getAnnotation(Callback.class); + if (callback != null && !Void.class.equals(callback.value())) { + callbackClass = callback.value(); + } else if (callback != null && Void.class.equals(callback.value())) { + throw new IllegalCallbackException("No callback interface specified on annotation", type.getName()); + } + return introspect(type, callbackClass); + } + + public <I, C> JavaServiceContract introspect(Class<I> type, Class<C> callback) + throws InvalidServiceContractException { + JavaServiceContract contract = new JavaServiceContract(); + contract.setInterfaceName(getBaseName(type)); + contract.setInterfaceClass(type); + boolean remotable = type.isAnnotationPresent(Remotable.class); + contract.setRemotable(remotable); + Scope interactionScope = type.getAnnotation(Scope.class); + boolean conversational = false; + if (interactionScope != null && "CONVERSATION".equalsIgnoreCase(interactionScope.value())) { + contract.setInteractionScope(InteractionScope.CONVERSATIONAL); + conversational = true; + } else { + contract.setInteractionScope(InteractionScope.NONCONVERSATIONAL); + } + contract.setOperations(getOperations(type, remotable, conversational)); + + if (callback != null) { + contract.setCallbackName(getBaseName(callback)); + contract.setCallbackClass(callback); + contract.setCallbackOperations(getOperations(callback, remotable, conversational)); + } + + for (JavaInterfaceProcessor processor : processors) { + processor.visitInterface(type, callback, contract); + } + return contract; + } + + private <T> Map<String, Operation<Type>> getOperations(Class<T> type, boolean remotable, boolean conversational) + throws InvalidServiceContractException { + Method[] methods = type.getMethods(); + Map<String, Operation<Type>> operations = new HashMap<String, Operation<Type>>(methods.length); + for (Method method : methods) { + String name = method.getName(); + if (remotable && operations.containsKey(name)) { + throw new OverloadedOperationException(method); + } + + Type returnType = method.getGenericReturnType(); + Type[] paramTypes = method.getGenericParameterTypes(); + Type[] faultTypes = method.getGenericExceptionTypes(); + boolean nonBlocking = method.isAnnotationPresent(OneWay.class); + int conversationSequence = NO_CONVERSATION; + if (method.isAnnotationPresent(EndConversation.class)) { + if (!conversational) { + throw new InvalidConversationalOperationException( + "Method is marked as end conversation but contract is not conversational", + method.getDeclaringClass().getName(), + method); + } + conversationSequence = CONVERSATION_END; + } else if (conversational) { + conversationSequence = Operation.CONVERSATION_CONTINUE; + } + + DataType<Type> returnDataType = new DataType<Type>(UNKNOWN_DATABINDING, returnType, returnType); + List<DataType<Type>> paramDataTypes = new ArrayList<DataType<Type>>(paramTypes.length); + for (Type paramType : paramTypes) { + paramDataTypes.add(new DataType<Type>(UNKNOWN_DATABINDING, paramType, paramType)); + } + List<DataType<Type>> faultDataTypes = new ArrayList<DataType<Type>>(faultTypes.length); + for (Type faultType : faultTypes) { + faultDataTypes.add(new DataType<Type>(UNKNOWN_DATABINDING, faultType, faultType)); + } + + DataType<List<DataType<Type>>> inputType = + new DataType<List<DataType<Type>>>(IDL_INPUT, Object[].class, paramDataTypes); + Operation<Type> operation = new Operation<Type>(name, + inputType, + returnDataType, + faultDataTypes, + nonBlocking, + UNKNOWN_DATABINDING, + conversationSequence); + operations.put(name, operation); + } + return operations; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/IntrospectionRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/IntrospectionRegistryImpl.java new file mode 100644 index 0000000000..3dd1328b6a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/IntrospectionRegistryImpl.java @@ -0,0 +1,135 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation; + +import java.lang.reflect.Constructor; +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessor; +import org.apache.tuscany.spi.implementation.java.IntrospectionRegistry; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +import org.apache.tuscany.core.util.JavaIntrospectionHelper; + +/** + * Default implementation of the <code>IntrospectionRegistry</code> + * + * @version $Rev$ $Date$ + */ +public class IntrospectionRegistryImpl implements IntrospectionRegistry { + + private Monitor monitor; + private List<ImplementationProcessor> cache = new ArrayList<ImplementationProcessor>(); + + public IntrospectionRegistryImpl() { + } + + public IntrospectionRegistryImpl(Monitor monitor) { + this.monitor = monitor; + } + + @org.apache.tuscany.api.annotation.Monitor + public void setMonitor(Monitor monitor) { + this.monitor = monitor; + } + + public void registerProcessor(ImplementationProcessor processor) { + monitor.register(processor); + cache.add(processor); + } + + public void unregisterProcessor(ImplementationProcessor processor) { + monitor.unregister(processor); + cache.remove(processor); + } + + public PojoComponentType introspect(CompositeComponent parent, Class<?> clazz, + PojoComponentType<JavaMappedService, JavaMappedReference, + JavaMappedProperty<?>> type, + DeploymentContext context) + throws ProcessingException { + for (ImplementationProcessor processor : cache) { + processor.visitClass(parent, clazz, type, context); + } + + for (Constructor<?> constructor : clazz.getConstructors()) { + for (ImplementationProcessor processor : cache) { + processor.visitConstructor(parent, constructor, type, context); + } + } + + Set<Method> methods = JavaIntrospectionHelper.getAllUniquePublicProtectedMethods(clazz); + for (Method method : methods) { + for (ImplementationProcessor processor : cache) { + processor.visitMethod(parent, method, type, context); + } + } + + Set<Field> fields = JavaIntrospectionHelper.getAllPublicAndProtectedFields(clazz); + for (Field field : fields) { + for (ImplementationProcessor processor : cache) { + processor.visitField(parent, field, type, context); + } + } + + Class superClass = clazz.getSuperclass(); + if (superClass != null) { + visitSuperClass(parent, superClass, type, context); + } + + for (ImplementationProcessor processor : cache) { + processor.visitEnd(parent, clazz, type, context); + } + return type; + } + + private void visitSuperClass(CompositeComponent parent, + Class<?> clazz, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) + throws ProcessingException { + if (!Object.class.equals(clazz)) { + for (ImplementationProcessor processor : cache) { + processor.visitSuperClass(parent, clazz, type, context); + } + clazz = clazz.getSuperclass(); + if (clazz != null) { + visitSuperClass(parent, clazz, type, context); + } + } + } + + public static interface Monitor { + void register(ImplementationProcessor processor); + + void unregister(ImplementationProcessor processor); + + void processing(ImplementationProcessor processor); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoAtomicComponent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoAtomicComponent.java new file mode 100644 index 0000000000..4ef4dc4d49 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoAtomicComponent.java @@ -0,0 +1,282 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation; + +import java.lang.reflect.Field; +import java.lang.reflect.Member; +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.TargetDestructionException; +import org.apache.tuscany.spi.component.TargetInitializationException; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.extension.AtomicComponentExtension; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.wire.OutboundWire; + +import org.apache.tuscany.core.injection.ArrayMultiplicityObjectFactory; +import org.apache.tuscany.core.injection.ConversationIDObjectFactory; +import org.apache.tuscany.core.injection.EventInvoker; +import org.apache.tuscany.core.injection.FieldInjector; +import org.apache.tuscany.core.injection.Injector; +import org.apache.tuscany.core.injection.InvalidAccessorException; +import org.apache.tuscany.core.injection.ListMultiplicityObjectFactory; +import org.apache.tuscany.core.injection.MethodInjector; +import org.apache.tuscany.core.injection.NoAccessorException; +import org.apache.tuscany.core.injection.NoMultiplicityTypeException; +import org.apache.tuscany.core.injection.ObjectCallbackException; +import org.apache.tuscany.core.injection.PojoObjectFactory; + +/** + * Base implementation of an {@link org.apache.tuscany.spi.component.AtomicComponent} whose type is a Java class + * + * @version $$Rev$$ $$Date$$ + */ +public abstract class PojoAtomicComponent extends AtomicComponentExtension { + protected EventInvoker<Object> initInvoker; + protected EventInvoker<Object> destroyInvoker; + protected PojoObjectFactory<?> instanceFactory; + protected List<String> constructorParamNames; + protected Map<String, Member> referenceSites; + protected Map<String, Member> resourceSites; + protected Map<String, Member> propertySites; + protected Map<String, Member> callbackSites; + protected List<Injector<Object>> injectors; + protected Class implementationClass; + private List<Class<?>> constructorParamTypes = new ArrayList<Class<?>>(); + + public PojoAtomicComponent(PojoConfiguration configuration) { + super(configuration.getName(), + configuration.getParent(), + configuration.getWireService(), + configuration.getWorkContext(), + configuration.getScheduler(), + configuration.getMonitor(), + configuration.getInitLevel(), + configuration.getMaxIdleTime(), + configuration.getMaxAge()); + assert configuration.getInstanceFactory() != null : "Object factory was null"; + initInvoker = configuration.getInitInvoker(); + destroyInvoker = configuration.getDestroyInvoker(); + instanceFactory = configuration.getInstanceFactory(); + constructorParamNames = configuration.getConstructorParamNames(); + constructorParamTypes = configuration.getConstructorParamTypes(); + injectors = new ArrayList<Injector<Object>>(); + referenceSites = configuration.getReferenceSite() != null ? configuration.getReferenceSite() + : new HashMap<String, Member>(); + propertySites = configuration.getPropertySites() != null ? configuration.getPropertySites() + : new HashMap<String, Member>(); + resourceSites = configuration.getResourceSites() != null ? configuration.getResourceSites() + : new HashMap<String, Member>(); + callbackSites = configuration.getCallbackSite() != null ? configuration.getCallbackSite() + : new HashMap<String, Member>(); + implementationClass = configuration.getImplementationClass(); + } + + + public boolean isDestroyable() { + return destroyInvoker != null; + } + + public void init(Object instance) throws TargetInitializationException { + if (initInvoker != null) { + try { + initInvoker.invokeEvent(instance); + } catch (ObjectCallbackException e) { + throw new TargetInitializationException("Error initializing component instance", getName(), e); + } + } + } + + public void destroy(Object instance) throws TargetDestructionException { + if (destroyInvoker != null) { + try { + destroyInvoker.invokeEvent(instance); + } catch (ObjectCallbackException e) { + throw new TargetDestructionException("Error destroying component instance", getName(), e); + } + } + } + + public boolean isOptimizable() { + // stateless implementations that require a destroy callback cannot be optimized since the callback is + // performed by the JavaTargetInvoker + return !(getScope() == Scope.STATELESS && isDestroyable()); + } + + public Object getTargetInstance() throws TargetResolutionException { + return scopeContainer.getInstance(this); + } + + public Object getAssociatedTargetInstance() throws TargetResolutionException { + return scopeContainer.getAssociatedInstance(this); + } + + public Object createInstance() throws ObjectCreationException { + Object instance = instanceFactory.getInstance(); + // inject the instance with properties and references + for (Injector<Object> injector : injectors) { + injector.inject(instance); + } + return instance; + } + + public void addPropertyFactory(String name, ObjectFactory<?> factory) { + Member member = propertySites.get(name); + if (member instanceof Field) { + injectors.add(new FieldInjector<Object>((Field) member, factory)); + } else if (member instanceof Method) { + injectors.add(new MethodInjector<Object>((Method) member, factory)); + } + // cycle through constructor param names as well + for (int i = 0; i < constructorParamNames.size(); i++) { + if (name.equals(constructorParamNames.get(i))) { + ObjectFactory[] initializerFactories = instanceFactory.getInitializerFactories(); + initializerFactories[i] = factory; + break; + } + } + //FIXME throw an error if no injection site found + } + + public void addResourceFactory(String name, ObjectFactory<?> factory) { + Member member = resourceSites.get(name); + if (member instanceof Field) { + injectors.add(new FieldInjector<Object>((Field) member, factory)); + } else if (member instanceof Method) { + injectors.add(new MethodInjector<Object>((Method) member, factory)); + } + // cycle through constructor param names as well + for (int i = 0; i < constructorParamNames.size(); i++) { + if (name.equals(constructorParamNames.get(i))) { + ObjectFactory[] initializerFactories = instanceFactory.getInitializerFactories(); + initializerFactories[i] = factory; + break; + } + } + //FIXME throw an error if no injection site found + } + + public void addConversationIDFactory(Member member) { + ObjectFactory<String> convIDObjectFactory = new ConversationIDObjectFactory(workContext); + if (member instanceof Field) { + injectors.add(new FieldInjector<Object>((Field) member, convIDObjectFactory)); + } else if (member instanceof Method) { + injectors.add(new MethodInjector<Object>((Method) member, convIDObjectFactory)); + } else { + throw new InvalidAccessorException("Member must be a field or method", member.getName()); + } + } + + protected void onReferenceWire(OutboundWire wire) { + String name = wire.getReferenceName(); + Member member = referenceSites.get(name); + if (member != null) { + injectors.add(createInjector(member, wire)); + } + // cycle through constructor param names as well + for (int i = 0; i < constructorParamNames.size(); i++) { + if (name.equals(constructorParamNames.get(i))) { + ObjectFactory[] initializerFactories = instanceFactory.getInitializerFactories(); + initializerFactories[i] = createWireFactory(constructorParamTypes.get(i), wire); + break; + } + } + //TODO error if ref not set on constructor or ref site + } + + public void onReferenceWires(List<OutboundWire> wires) { + assert wires.size() > 0 : "Wires were empty"; + String referenceName = wires.get(0).getReferenceName(); + Member member = referenceSites.get(referenceName); + if (member == null) { + if (constructorParamNames.contains(referenceName)) { + // injected on the constructor + + } else { + throw new NoAccessorException(referenceName); + } + } + Class<?> type = wires.get(0).getServiceContract().getInterfaceClass(); + if (type == null) { + throw new NoMultiplicityTypeException("Java interface must be specified for multiplicity", referenceName); + } + injectors.add(createMultiplicityInjector(member, type, wires)); + //TODO multiplicity for constructor injection + } + + public boolean implementsCallback(Class callbackClass) { + Class<?>[] implementedInterfaces = implementationClass.getInterfaces(); + for (Class<?> implementedInterface : implementedInterfaces) { + if (implementedInterface.isAssignableFrom(callbackClass)) { + return true; + } + } + + return false; + } + + protected Injector<Object> createInjector(Member member, OutboundWire wire) { + if (member instanceof Field) { + Class<?> type = ((Field) member).getType(); + ObjectFactory<?> factory = createWireFactory(type, wire); + return new FieldInjector<Object>((Field) member, factory); + } else if (member instanceof Method) { + Class<?> type = ((Method) member).getParameterTypes()[0]; + ObjectFactory<?> factory = createWireFactory(type, wire); + return new MethodInjector<Object>((Method) member, factory); + } else { + throw new InvalidAccessorException("Member must be a field or method", member.getName()); + } + } + + protected Injector<Object> createMultiplicityInjector(Member member, + Class<?> interfaceType, + List<OutboundWire> wireFactories) { + List<ObjectFactory<?>> factories = new ArrayList<ObjectFactory<?>>(); + for (OutboundWire wire : wireFactories) { + factories.add(createWireFactory(interfaceType, wire)); + } + if (member instanceof Field) { + Field field = (Field) member; + if (field.getType().isArray()) { + return new FieldInjector<Object>(field, new ArrayMultiplicityObjectFactory(interfaceType, factories)); + } else { + return new FieldInjector<Object>(field, new ListMultiplicityObjectFactory(factories)); + } + } else if (member instanceof Method) { + Method method = (Method) member; + if (method.getParameterTypes()[0].isArray()) { + return new MethodInjector<Object>(method, new ArrayMultiplicityObjectFactory(interfaceType, factories)); + } else { + return new MethodInjector<Object>(method, new ListMultiplicityObjectFactory(factories)); + } + } else { + throw new InvalidAccessorException("Member must be a field or method", member.getName()); + } + } + + protected abstract ObjectFactory<?> createWireFactory(Class<?> interfaze, OutboundWire wire); + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoConfiguration.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoConfiguration.java new file mode 100644 index 0000000000..104b1f647e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoConfiguration.java @@ -0,0 +1,232 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation; + +import java.lang.reflect.Member; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.extension.ExecutionMonitor; +import org.apache.tuscany.spi.services.work.WorkScheduler; +import org.apache.tuscany.spi.wire.WireService; + +import org.apache.tuscany.core.injection.EventInvoker; +import org.apache.tuscany.core.injection.Injector; +import org.apache.tuscany.core.injection.PojoObjectFactory; + +/** + * Encapsulates confuration for a Java-based atomic component + * + * @version $Rev$ $Date$ + */ +public class PojoConfiguration { + private String name; + private CompositeComponent parent; + //private ScopeContainer scopeContainer; + private PojoObjectFactory<?> instanceFactory; + private List<String> constructorParamNames = new ArrayList<String>(); + private List<Class<?>> constructorParamTypes = new ArrayList<Class<?>>(); + private int initLevel; + private EventInvoker<Object> initInvoker; + private EventInvoker<Object> destroyInvoker; + private List<Injector> propertyInjectors = new ArrayList<Injector>(); + private Map<String, Member> referenceSites = new HashMap<String, Member>(); + private Map<String, Member> propertySites = new HashMap<String, Member>(); + private Map<String, Member> resourceSites = new HashMap<String, Member>(); + private Map<String, Member> callbackSites = new HashMap<String, Member>(); + private WireService wireService; + private WorkContext workContext; + private WorkScheduler scheduler; + private ExecutionMonitor monitor; + private long maxIdleTime = -1; + private long maxAge = -1; + private Class implementationClass; + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public CompositeComponent getParent() { + return parent; + } + + public void setParent(CompositeComponent parent) { + this.parent = parent; + } + + public PojoObjectFactory<?> getInstanceFactory() { + return instanceFactory; + } + + public void setInstanceFactory(PojoObjectFactory<?> objectFactory) { + this.instanceFactory = objectFactory; + } + + public List<String> getConstructorParamNames() { + return constructorParamNames; + } + + public void setConstructorParamNames(List<String> names) { + constructorParamNames = names; + } + + public void addConstructorParamName(String name) { + constructorParamNames.add(name); + } + + public List<Class<?>> getConstructorParamTypes() { + return constructorParamTypes; + } + + public void setConstructorParamTypes(List<Class<?>> constructorParamTypes) { + this.constructorParamTypes = constructorParamTypes; + } + + public void addConstructorParamType(Class<?> type) { + constructorParamTypes.add(type); + } + + public int getInitLevel() { + return initLevel; + } + + public void setInitLevel(int initLevel) { + this.initLevel = initLevel; + } + + public long getMaxIdleTime() { + return maxIdleTime; + } + + public void setMaxIdleTime(long maxIdleTime) { + this.maxIdleTime = maxIdleTime; + } + + public long getMaxAge() { + return maxAge; + } + + public void setMaxAge(long maxAge) { + this.maxAge = maxAge; + } + + public EventInvoker<Object> getInitInvoker() { + return initInvoker; + } + + public void setInitInvoker(EventInvoker<Object> initInvoker) { + this.initInvoker = initInvoker; + } + + public EventInvoker<Object> getDestroyInvoker() { + return destroyInvoker; + } + + public void setDestroyInvoker(EventInvoker<Object> destroyInvoker) { + this.destroyInvoker = destroyInvoker; + } + + public List<Injector> getPropertyInjectors() { + return propertyInjectors; + } + + public void addPropertyInjector(Injector injector) { + propertyInjectors.add(injector); + } + + public Map<String, Member> getReferenceSite() { + return referenceSites; + } + + public void addReferenceSite(String name, Member member) { + referenceSites.put(name, member); + } + + public Map<String, Member> getResourceSites() { + return resourceSites; + } + + public void addResourceSite(String name, Member member) { + resourceSites.put(name, member); + } + + public Map<String, Member> getCallbackSite() { + return callbackSites; + } + + public void addCallbackSite(String name, Member member) { + callbackSites.put(name, member); + } + + public Map<String, Member> getPropertySites() { + return propertySites; + } + + public void addPropertySite(String name, Member member) { + propertySites.put(name, member); + } + + public WireService getWireService() { + return wireService; + } + + public void setWireService(WireService wireService) { + this.wireService = wireService; + } + + public WorkContext getWorkContext() { + return workContext; + } + + public void setWorkContext(WorkContext workContext) { + this.workContext = workContext; + } + + public WorkScheduler getScheduler() { + return scheduler; + } + + public void setScheduler(WorkScheduler scheduler) { + this.scheduler = scheduler; + } + + public ExecutionMonitor getMonitor() { + return monitor; + } + + public void setMonitor(ExecutionMonitor monitor) { + this.monitor = monitor; + } + + public Class getImplementationClass() { + return implementationClass; + } + + public void setImplementationClass(Class implementationClass) { + this.implementationClass = implementationClass; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeBuilder.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeBuilder.java new file mode 100644 index 0000000000..965fde2fa8 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeBuilder.java @@ -0,0 +1,71 @@ +package org.apache.tuscany.core.implementation.composite; + +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.builder.BuilderInstantiationException; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.ComponentRegistrationException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.Reference; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentBuilderExtension; +import org.apache.tuscany.spi.model.BoundReferenceDefinition; +import org.apache.tuscany.spi.model.BoundServiceDefinition; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ServiceDefinition; + +/** + * Abstract builder for composites + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractCompositeBuilder<T extends Implementation<CompositeComponentType>> + extends ComponentBuilderExtension<T> { + + public CompositeComponent build(CompositeComponent parent, + CompositeComponent component, + CompositeComponentType<?, ?, ?> componentType, + DeploymentContext deploymentContext) throws BuilderException { + + for (ComponentDefinition<? extends Implementation<?>> definition : componentType.getComponents().values()) { + try { + Component child = builderRegistry.build(component, definition, deploymentContext); + component.register(child); + } catch (ComponentRegistrationException e) { + throw new BuilderInstantiationException("Error registering component", e); + } + } + for (ServiceDefinition definition : componentType.getServices().values()) { + try { + if (definition instanceof BoundServiceDefinition) { + BoundServiceDefinition bsd = (BoundServiceDefinition) definition; + Service service = builderRegistry.build(component, bsd, deploymentContext); + component.register(service); + } else { + throw new UnsupportedOperationException(); + } + } catch (ComponentRegistrationException e) { + throw new BuilderInstantiationException("Error registering service", e); + } + } + for (ReferenceDefinition definition : componentType.getReferences().values()) { + try { + if (definition instanceof BoundReferenceDefinition) { + BoundReferenceDefinition brd = (BoundReferenceDefinition) definition; + Reference child = builderRegistry.build(component, brd, deploymentContext); + component.register(child); + } else { + throw new UnsupportedOperationException(); + } + } catch (ComponentRegistrationException e) { + throw new BuilderInstantiationException("Error registering reference", e); + } + } + component.getExtensions().putAll(componentType.getExtensions()); + return component; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeComponent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeComponent.java new file mode 100644 index 0000000000..0f10703802 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeComponent.java @@ -0,0 +1,151 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import java.util.List; +import java.util.Map; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; + +import org.w3c.dom.Document; + +import org.apache.tuscany.spi.builder.Connector; +import org.apache.tuscany.spi.component.ComponentRegistrationException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetInvokerCreationException; +import org.apache.tuscany.spi.event.Event; +import org.apache.tuscany.spi.extension.CompositeComponentExtension; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; + +import org.apache.tuscany.core.component.event.CompositeStart; +import org.apache.tuscany.core.component.event.CompositeStop; + +/** + * The base implementation of a composite context + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractCompositeComponent extends CompositeComponentExtension { + public static final int DEFAULT_WAIT = 1000 * 60; + // Blocking latch to ensure the composite is initialized exactly once prior to servicing requests + protected CountDownLatch initializeLatch = new CountDownLatch(1); + protected final Object lock = new Object(); + // Indicates whether the composite context has been initialized + protected boolean initialized; + + + /** + * @param name the name of the SCA composite + * @param parent the SCA composite parent + * @param connector the connector for fusing wires + * @param propertyValues the values of this composite's Properties + */ + public AbstractCompositeComponent(String name, + CompositeComponent parent, + Connector connector, + Map<String, Document> propertyValues) { + super(name, parent, connector, propertyValues); + } + + public <S, I extends S> void registerJavaObject(String name, Class<S> service, I instance) + throws ComponentRegistrationException { + register(new SystemSingletonAtomicComponent<S, I>(name, this, service, instance)); + } + + public <S, I extends S> void registerJavaObject(String name, List<Class<?>> services, I instance) + throws ComponentRegistrationException { + register(new SystemSingletonAtomicComponent<S, I>(name, this, services, instance)); + } + + public void start() { + synchronized (lock) { + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Composite not in UNINITIALIZED state"); + } + + for (SCAObject child : systemChildren.values()) { + child.start(); + } + for (SCAObject child : children.values()) { + child.start(); + } + initializeLatch.countDown(); + initialized = true; + lifecycleState = INITIALIZED; + } + publish(new CompositeStart(this, this)); + } + + public void stop() { + if (lifecycleState == STOPPED) { + return; + } + + for (SCAObject child : children.values()) { + child.stop(); + } + for (SCAObject child : systemChildren.values()) { + child.stop(); + } + publish(new CompositeStop(this, this)); + // need to block a start until reset is complete + initializeLatch = new CountDownLatch(2); + lifecycleState = STOPPING; + initialized = false; + // allow initialized to be called + initializeLatch.countDown(); + lifecycleState = STOPPED; + } + + public void publish(Event event) { + if (lifecycleState == STOPPED) { + return; + } + checkInit(); + super.publish(event); + } + + public TargetInvoker createTargetInvoker(String targetName, Operation operation, InboundWire callbackWire) + throws TargetInvokerCreationException { + return null; + } + + /** + * Blocks until the composite context has been initialized + */ + protected void checkInit() throws ComponentTimeoutException { + if (!initialized) { + try { + /* block until the composite has initialized */ + boolean success = initializeLatch.await(AbstractCompositeComponent.DEFAULT_WAIT, + TimeUnit.MILLISECONDS); + if (!success) { + throw new ComponentTimeoutException("Timeout waiting for context to initialize"); + } + } catch (InterruptedException e) { // should not happen + } + } + + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeContext.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeContext.java new file mode 100644 index 0000000000..c571c04b3d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeContext.java @@ -0,0 +1,120 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import org.osoa.sca.CompositeContext; +import org.osoa.sca.ServiceRuntimeException; + +import org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.Reference; +import org.apache.tuscany.spi.component.ReferenceBinding; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.component.ServiceBinding; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.Wire; +import org.apache.tuscany.spi.wire.WireService; + +/** + * Base implementation of the {@link org.osoa.sca.CompositeContext} + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractCompositeContext implements CompositeContext { + protected final CompositeComponent composite; + protected final WireService wireService; + + public AbstractCompositeContext(final CompositeComponent composite, final WireService wireService) { + this.composite = composite; + this.wireService = wireService; + } + + public String getName() { + return composite.getName(); + } + + public String getURI() { + throw new UnsupportedOperationException(); + } + + public <T> T locateService(Class<T> serviceInterface, String serviceName) throws ServiceRuntimeException { + QualifiedName qName = new QualifiedName(serviceName); + if (qName.getPortName() == null) { + String name = serviceInterface.getName(); + qName = new QualifiedName(qName.getPartName(), name); + } + SCAObject child = composite.getChild(qName.getPartName()); + InboundWire wire = getInboundWire(child, qName); + if (wire.isOptimizable() + && wire.getServiceContract().getInterfaceClass() != null + && serviceInterface.isAssignableFrom(wire.getServiceContract().getInterfaceClass())) { + try { + return serviceInterface.cast(wire.getTargetService()); + } catch (TargetResolutionException e) { + throw new ServiceRuntimeException(e); + } + } + return wireService.createProxy(serviceInterface, wire); + } + + protected InboundWire getInboundWire(SCAObject child, QualifiedName qName) { + InboundWire wire = null; + if (child instanceof Component) { + wire = ((Component) child).getInboundWire(qName.getPortName()); + if (wire == null) { + throw new ServiceRuntimeException("Service not found [" + qName + "]"); + } + } else if (child instanceof Service) { + Service service = (Service) child; + for (ServiceBinding binding : service.getServiceBindings()) { + if (Wire.LOCAL_BINDING.equals(binding.getInboundWire().getBindingType())) { + wire = binding.getInboundWire(); + break; + } + } + if (wire == null) { + throw new ServiceRuntimeException("Local binding for service not found [" + qName + "]"); + } + } else if (child instanceof Reference) { + Reference service = (Reference) child; + if (service.getReferenceBindings().isEmpty()) { + throw new ServiceRuntimeException("No binding for reference [" + qName + "]"); + } + for (ReferenceBinding binding : service.getReferenceBindings()) { + if (Wire.LOCAL_BINDING.equals(binding.getInboundWire().getBindingType())) { + wire = binding.getInboundWire(); + break; + } + } + if (wire == null) { + // pick the first one + wire = service.getReferenceBindings().get(0).getInboundWire(); + } + } else if (child == null) { + throw new ServiceRuntimeException("Service not found [" + qName + "]"); + } else { + throw new ServiceRuntimeException("Invalid service type [" + child.getClass().getName() + "]"); + } + return wire; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ComponentTimeoutException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ComponentTimeoutException.java new file mode 100644 index 0000000000..ed64cb1236 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ComponentTimeoutException.java @@ -0,0 +1,33 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import org.apache.tuscany.spi.component.ComponentRuntimeException; + +/** + * Denotes a condition where a component times out waiting to perform an operation + * + * @version $Rev$ $Date$ + */ +public class ComponentTimeoutException extends ComponentRuntimeException { + + public ComponentTimeoutException(String message) { + super(message); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBuilder.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBuilder.java new file mode 100644 index 0000000000..008c99db8d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBuilder.java @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.CompositeImplementation; + +/** + * Instantiates a composite component from an assembly definition + * + * @version $Rev$ $Date$ + */ +public class CompositeBuilder extends AbstractCompositeBuilder<CompositeImplementation> { + + public Component build(CompositeComponent parent, + ComponentDefinition<CompositeImplementation> componentDefinition, + DeploymentContext deploymentContext) throws BuilderException { + CompositeImplementation implementation = componentDefinition.getImplementation(); + CompositeComponentType<?, ?, ?> componentType = implementation.getComponentType(); + String name = componentDefinition.getName(); + CompositeComponentImpl component = new CompositeComponentImpl(name, parent, connector, null); + + return build(parent, component, componentType, deploymentContext); + } + + protected Class<CompositeImplementation> getImplementationType() { + return CompositeImplementation.class; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentImpl.java new file mode 100644 index 0000000000..75bc2d8c78 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentImpl.java @@ -0,0 +1,114 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import java.util.Map; + +import org.w3c.dom.Document; + +import org.apache.tuscany.spi.builder.Connector; +import org.apache.tuscany.spi.component.CompositeComponent; + +/** + * The standard implementation of a composite component. Autowiring is performed by delegating to the parent composite. + * + * @version $Rev$ $Date$ + */ +public class CompositeComponentImpl extends AbstractCompositeComponent { + private String uri; + private boolean systemComposite; + + /** + * Constructor specifying property values + * + * @param name the name of this Component + * @param parent this component's parent + * @param connector the connector to use for wires + * @param propertyValues this composite's Property values + */ + public CompositeComponentImpl(String name, + CompositeComponent parent, + Connector connector, + Map<String, Document> propertyValues) { + this(name, null, parent, connector, propertyValues); + } + + /** + * Constructor specifying if the composite is a system composite + * + * @param name the name of this Component + * @param parent this component's parent + * @param connector the connector to use for wires + * @param systemComposite true if the composite is a system composite + */ + public CompositeComponentImpl(String name, + CompositeComponent parent, + Connector connector, + boolean systemComposite) { + this(name, null, parent, connector, null, systemComposite); + } + + /** + * Constructor specifying name and URI. + * + * @param name the name of this Component + * @param uri the unique identifier for this component + * @param parent this component's parent + * @param connector the connector to use for wires + * @param propertyValues this composite's Property values + */ + public CompositeComponentImpl(String name, + String uri, + CompositeComponent parent, + Connector connector, + Map<String, Document> propertyValues) { + super(name, parent, connector, propertyValues); + this.uri = uri; + } + + /** + * Constructor specifying name and URI. + * + * @param name the name of this Component + * @param uri the unique identifier for this component + * @param parent this component's parent + * @param connector the connector to use for wires + * @param propertyValues this composite's Property values + * @param systemComposite true if the composite is a system composite + */ + public CompositeComponentImpl(String name, + String uri, + CompositeComponent parent, + Connector connector, + Map<String, Document> propertyValues, + boolean systemComposite) { + super(name, parent, connector, propertyValues); + this.uri = uri; + this.systemComposite = systemComposite; + } + + public String getURI() { + return uri; + } + + public boolean isSystem() { + return systemComposite; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentTypeLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentTypeLoader.java new file mode 100644 index 0000000000..c55f1b8ffa --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentTypeLoader.java @@ -0,0 +1,67 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import java.net.URL; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.CompositeClassLoader; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentTypeLoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.CompositeImplementation; + +import org.apache.tuscany.core.deployer.ChildDeploymentContext; + +/** + * Loads a composite component type + * + * @version $Rev$ $Date$ + */ +public class CompositeComponentTypeLoader extends ComponentTypeLoaderExtension<CompositeImplementation> { + public CompositeComponentTypeLoader() { + } + + public CompositeComponentTypeLoader(LoaderRegistry loaderRegistry) { + super(loaderRegistry); + } + + protected Class<CompositeImplementation> getImplementationClass() { + return CompositeImplementation.class; + } + + public void load(CompositeComponent parent, CompositeImplementation implementation, + DeploymentContext deploymentContext) + throws LoaderException { + URL scdlLocation = implementation.getScdlLocation(); + ClassLoader cl = new CompositeClassLoader(implementation.getClassLoader()); + deploymentContext = new ChildDeploymentContext(deploymentContext, cl, scdlLocation); + CompositeComponentType componentType = loadFromSidefile(parent, scdlLocation, deploymentContext); + implementation.setComponentType(componentType); + } + + protected CompositeComponentType loadFromSidefile(CompositeComponent parent, + URL url, + DeploymentContext deploymentContext) + throws LoaderException { + return loaderRegistry.load(parent, null, url, CompositeComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeLoader.java new file mode 100644 index 0000000000..b72c017cec --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeLoader.java @@ -0,0 +1,235 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import java.net.URI; +import java.net.URL; +import java.util.List; +import java.util.Map; +import javax.xml.namespace.QName; +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; + +import org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.CompositeClassLoader; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.InvalidServiceException; +import org.apache.tuscany.spi.loader.InvalidWireException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.BoundServiceDefinition; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.ComponentType; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.Include; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ReferenceTarget; +import org.apache.tuscany.spi.model.ServiceDefinition; +import org.apache.tuscany.spi.model.WireDefinition; +import org.apache.tuscany.spi.services.artifact.Artifact; +import org.apache.tuscany.spi.services.artifact.ArtifactRepository; + +import org.apache.tuscany.core.property.PropertyHelper; + +/** + * Loads a composite component definition from an XML-based assembly file + * + * @version $Rev$ $Date$ + */ +public class CompositeLoader extends LoaderExtension<CompositeComponentType> { + public static final QName COMPOSITE = new QName(XML_NAMESPACE_1_0, "composite"); + public static final String URI_DELIMITER = "/"; + + private final ArtifactRepository artifactRepository; + + public CompositeLoader(@Autowire LoaderRegistry registry, @Autowire ArtifactRepository artifactRepository) { + super(registry); + this.artifactRepository = artifactRepository; + } + + public QName getXMLType() { + return COMPOSITE; + } + + public CompositeComponentType load(CompositeComponent parent, + ModelObject object, + XMLStreamReader reader, + DeploymentContext deploymentContext) throws XMLStreamException, LoaderException { + CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> composite = + new CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>>(); + composite.setName(reader.getAttributeValue(null, "name")); + boolean done = false; + while (!done) { + switch (reader.next()) { + case START_ELEMENT: + ModelObject o = registry.load(parent, composite, reader, deploymentContext); + if (o instanceof ServiceDefinition) { + composite.add((ServiceDefinition) o); + } else if (o instanceof ReferenceDefinition) { + composite.add((ReferenceDefinition) o); + } else if (o instanceof Property<?>) { + composite.add((Property<?>) o); + } else if (o instanceof ComponentDefinition<?>) { + composite.add((ComponentDefinition<?>) o); + } else if (o instanceof Include) { + composite.add((Include) o); + } else if (o instanceof Dependency) { + Artifact artifact = ((Dependency) o).getArtifact(); + if (artifactRepository != null) { + // default to jar type if not specified + if (artifact.getType() == null) { + artifact.setType("jar"); + } + artifactRepository.resolve(artifact); + } + if (artifact.getUrl() != null) { + ClassLoader classLoader = deploymentContext.getClassLoader(); + if (classLoader instanceof CompositeClassLoader) { + CompositeClassLoader ccl = (CompositeClassLoader) classLoader; + for (URL dep : artifact.getUrls()) { + ccl.addURL(dep); + } + } + } + } else if (o instanceof WireDefinition) { + composite.add((WireDefinition) o); + } else { + // add as an unknown model extension + if (o != null) { + composite.getExtensions().put(o.getClass(), o); + } + } + reader.next(); + break; + case END_ELEMENT: + if (COMPOSITE.equals(reader.getName())) { + // if there are wire defintions then link them up to the relevant components + resolveWires(composite); + verifyCompositeCompleteness(composite); + done = true; + break; + } + } + } + for (ComponentDefinition<? extends Implementation<?>> c : composite.getComponents().values()) { + PropertyHelper.processProperties(composite, c, deploymentContext); + } + return composite; + } + + protected void resolveWires(CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> composite) + throws InvalidWireException { + QualifiedName sourceName; + ComponentDefinition componentDefinition; + ServiceDefinition serviceDefinition; + List<WireDefinition> wireDefns = composite.getDeclaredWires(); + for (WireDefinition wire : wireDefns) { + URI targetUri = wire.getTarget(); + // validate the target before finding the source + validateTarget(targetUri, composite); + + sourceName = new QualifiedName(wire.getSource().getPath()); + serviceDefinition = composite.getDeclaredServices().get(sourceName.getPartName()); + if (serviceDefinition != null) { + if (serviceDefinition instanceof BoundServiceDefinition) { + ((BoundServiceDefinition) serviceDefinition).setTarget(wire.getTarget()); + } + } else { + componentDefinition = composite.getDeclaredComponents().get(sourceName.getPartName()); + if (componentDefinition != null) { + ReferenceTarget referenceTarget = createReferenceTarget(sourceName.getPortName(), + targetUri, + componentDefinition); + componentDefinition.add(referenceTarget); + } else { + throw new InvalidWireException("Source not found", sourceName.toString()); + } + } + } + } + + private ReferenceTarget createReferenceTarget(String componentReferenceName, + URI target, + ComponentDefinition componentDefn) throws InvalidWireException { + ComponentType componentType = componentDefn.getImplementation().getComponentType(); + if (componentReferenceName == null) { + // if there is ambiguity in determining the source of the wire or there is no reference to be wired + if (componentType.getReferences().size() > 1 || componentType.getReferences().isEmpty()) { + throw new InvalidWireException("Unable to determine unique source reference"); + } else { + Map references = componentType.getReferences(); + ReferenceDefinition definition = (ReferenceDefinition) references.values().iterator().next(); + componentReferenceName = definition.getName(); + } + } + + ReferenceTarget referenceTarget = new ReferenceTarget(); + referenceTarget.setReferenceName(componentReferenceName); + referenceTarget.addTarget(target); + return referenceTarget; + } + + protected void verifyCompositeCompleteness( + CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> composite) + throws InvalidServiceException { + // check if all of the composite services have been wired + for (ServiceDefinition svcDefn : composite.getDeclaredServices().values()) { + if (svcDefn instanceof BoundServiceDefinition && ((BoundServiceDefinition) svcDefn).getTarget() == null) { + throw new InvalidServiceException("Composite service not wired to a target", svcDefn.getName()); + } + } + } + + private void validateTarget(URI target, + CompositeComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> composite) + throws InvalidWireException { + QualifiedName targetName = new QualifiedName(target.getPath()); + // if target is not a reference of the composite + if (composite.getReferences().get(targetName.getPartName()) == null) { + ComponentDefinition<?> targetDefinition = composite.getDeclaredComponents().get(targetName.getPartName()); + // if a target component exists in this composite + if (targetDefinition != null) { + Implementation<?> implementation = targetDefinition.getImplementation(); + ComponentType<?, ?, ?> componentType = implementation.getComponentType(); + Map<String, ? extends ServiceDefinition> services = componentType.getServices(); + if (targetName.getPortName() == null) { + if (services.size() > 1 || services.isEmpty()) { + throw new InvalidWireException("Ambiguous target", targetName.toString()); + } + } else { + if (services.get(targetName.getPortName()) == null) { + throw new InvalidWireException("Invalid target service", targetName.toString()); + } + } + } else { + throw new InvalidWireException("Target not found", targetName.toString()); + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/Dependency.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/Dependency.java new file mode 100644 index 0000000000..808f36072f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/Dependency.java @@ -0,0 +1,39 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.services.artifact.Artifact; + +/** + * A model object that represents a dependency on an external artifact. + * + * @version $Rev$ $Date$ + */ +public class Dependency extends ModelObject { + private Artifact artifact; + + public Artifact getArtifact() { + return artifact; + } + + public void setArtifact(Artifact artifact) { + this.artifact = artifact; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ImplementationCompositeLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ImplementationCompositeLoader.java new file mode 100644 index 0000000000..c814691185 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ImplementationCompositeLoader.java @@ -0,0 +1,126 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import java.net.MalformedURLException; +import java.net.URL; +import java.util.Set; +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.osoa.sca.Version; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.CompositeClassLoader; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.InvalidValueException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.LoaderUtil; +import org.apache.tuscany.spi.loader.MissingResourceException; +import org.apache.tuscany.spi.model.CompositeImplementation; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.services.artifact.Artifact; +import org.apache.tuscany.spi.services.artifact.ArtifactRepository; + +/** + * Loader that handles an <implementation.composite> element. + * + * @version $Rev$ $Date$ + */ +public class ImplementationCompositeLoader extends LoaderExtension<CompositeImplementation> { + private static final QName IMPLEMENTATION_COMPOSITE = + new QName(Version.XML_NAMESPACE_1_0, "implementation.composite"); + + private final ArtifactRepository artifactRepository; + + public ImplementationCompositeLoader(@Autowire LoaderRegistry registry, + @Autowire ArtifactRepository artifactRepository) { + super(registry); + this.artifactRepository = artifactRepository; + } + + public QName getXMLType() { + return IMPLEMENTATION_COMPOSITE; + } + + public CompositeImplementation load(CompositeComponent parent, + ModelObject object, XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + + assert IMPLEMENTATION_COMPOSITE.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + String group = reader.getAttributeValue(null, "group"); + String version = reader.getAttributeValue(null, "version"); + String scdlLocation = reader.getAttributeValue(null, "scdlLocation"); + String jarLocation = reader.getAttributeValue(null, "jarLocation"); + LoaderUtil.skipToEndElement(reader); + + CompositeImplementation impl = new CompositeImplementation(); + impl.setName(name); + if (scdlLocation != null) { + try { + impl.setScdlLocation(new URL(deploymentContext.getScdlLocation(), scdlLocation)); + } catch (MalformedURLException e) { + throw new InvalidValueException(scdlLocation, name, e); + } + impl.setClassLoader(deploymentContext.getClassLoader()); + } else if (jarLocation != null) { + URL jarUrl; + try { + jarUrl = new URL(deploymentContext.getScdlLocation(), jarLocation); + } catch (MalformedURLException e) { + throw new InvalidValueException(jarLocation, name, e); + } + try { + impl.setScdlLocation(new URL("jar:" + jarUrl.toExternalForm() + "!/META-INF/sca/default.scdl")); + } catch (MalformedURLException e) { + throw new AssertionError("Could not convert URL to a jar: url"); + } + impl.setClassLoader(new CompositeClassLoader(new URL[]{jarUrl}, deploymentContext.getClassLoader())); + } else if (artifactRepository != null && group != null && version != null) { + Artifact artifact = new Artifact(); + artifact.setGroup(group); + artifact.setName(name); + artifact.setVersion(version); + artifact.setType("jar"); + artifactRepository.resolve(artifact); + if (artifact.getUrl() == null) { + throw new MissingResourceException(artifact.toString(), name); + } + try { + impl.setScdlLocation(new URL("jar:" + artifact.getUrl() + "!/META-INF/sca/default.scdl")); + } catch (MalformedURLException e) { + throw new AssertionError(e); + } + Set<URL> artifactURLs = artifact.getUrls(); + URL[] urls = new URL[artifactURLs.size()]; + int i = 0; + for (URL artifactURL : artifactURLs) { + urls[i++] = artifactURL; + } + impl.setClassLoader(new CompositeClassLoader(urls, deploymentContext.getClassLoader())); + } + return impl; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ManagedCompositeContext.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ManagedCompositeContext.java new file mode 100644 index 0000000000..544eb75cdd --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ManagedCompositeContext.java @@ -0,0 +1,80 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import org.osoa.sca.RequestContext; +import org.osoa.sca.ServiceReference; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.wire.WireService; + +/** + * The default implementation of a {@link org.osoa.sca.CompositeContext} injected on a component implementation + * instance + * + * @version $Rev$ $Date$ + */ +public class ManagedCompositeContext extends AbstractCompositeContext { + + /** + * Constructor. + * + * @param composite the parent composite of the component whose instance the current context is injected on + * @param wireService the wire service to use for generating proxies + */ + public ManagedCompositeContext(final CompositeComponent composite, final WireService wireService) { + super(composite, wireService); + } + + public String getName() { + return composite.getName(); + } + + public String getURI() { + throw new UnsupportedOperationException(); + } + + public RequestContext getRequestContext() { + throw new UnsupportedOperationException(); + } + + public ServiceReference createServiceReferenceForSession(Object self) { + throw new UnsupportedOperationException(); + } + + public ServiceReference createServiceReferenceForSession(Object self, String serviceName) { + throw new UnsupportedOperationException(); + } + + public ServiceReference newSession(String serviceName) { + throw new UnsupportedOperationException(); + } + + public ServiceReference newSession(String serviceName, Object sessionId) { + throw new UnsupportedOperationException(); + } + + public void start() { + throw new UnsupportedOperationException(); + } + + public void stop() { + throw new UnsupportedOperationException(); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ManagedRequestContext.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ManagedRequestContext.java new file mode 100644 index 0000000000..9bc07582ee --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ManagedRequestContext.java @@ -0,0 +1,49 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import javax.security.auth.Subject; + +import org.osoa.sca.RequestContext; +import org.osoa.sca.ServiceReference; + +import org.apache.tuscany.spi.component.WorkContext; + +/** + * @version $Rev$ $Date$ + */ +public class ManagedRequestContext implements RequestContext { + private WorkContext workContext; + + public ManagedRequestContext(WorkContext workContext) { + this.workContext = workContext; + } + + public Subject getSecuritySubject() { + throw new UnsupportedOperationException(); + } + + public String getServiceName() { + return workContext.getCurrentServiceName(); + } + + public ServiceReference getServiceReference() { + throw new UnsupportedOperationException(); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ReferenceImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ReferenceImpl.java new file mode 100644 index 0000000000..3fcba7b054 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ReferenceImpl.java @@ -0,0 +1,90 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import org.apache.tuscany.spi.component.AbstractSCAObject; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.Reference; +import org.apache.tuscany.spi.component.ReferenceBinding; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.model.ServiceContract; + +/** + * The default implementation of a {@link org.apache.tuscany.spi.component.Reference} + * + * @version $Rev$ $Date$ + */ +public class ReferenceImpl extends AbstractSCAObject implements Reference { + private ServiceContract<?> serviceContract; + private List<ReferenceBinding> bindings = new ArrayList<ReferenceBinding>(); + private boolean system; + + public ReferenceImpl(String name, CompositeComponent parent, ServiceContract<?> contract) { + this(name, parent, contract, false); + } + + public ReferenceImpl(String name, + CompositeComponent parent, + ServiceContract<?> contract, + boolean system) { + super(name, parent); + this.serviceContract = contract; + this.system = system; + } + + public Scope getScope() { + return Scope.SYSTEM; + } + + public ServiceContract<?> getServiceContract() { + return serviceContract; + } + + public List<ReferenceBinding> getReferenceBindings() { + return Collections.unmodifiableList(bindings); + } + + public void addReferenceBinding(ReferenceBinding binding) { + binding.setReference(this); + bindings.add(binding); + } + + public void start() { + super.start(); + for (ReferenceBinding binding : bindings) { + binding.start(); + } + } + + public void stop() { + super.stop(); + for (ReferenceBinding binding : bindings) { + binding.stop(); + } + } + + @Override + public boolean isSystem() { + return system; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ServiceImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ServiceImpl.java new file mode 100644 index 0000000000..2db8519ccc --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ServiceImpl.java @@ -0,0 +1,98 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import java.net.URI; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import org.apache.tuscany.spi.component.AbstractSCAObject; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.component.ServiceBinding; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.model.ServiceContract; + +/** + * The default implementation of a {@link Service} + * + * @version $Rev$ $Date$ + */ +public class ServiceImpl extends AbstractSCAObject implements Service { + private ServiceContract<?> serviceContract; + private List<ServiceBinding> bindings = new ArrayList<ServiceBinding>(); + private boolean system; + private URI targetUri; + + public ServiceImpl(String name, CompositeComponent parent, ServiceContract<?> contract) { + this(name, parent, contract, null, false); + } + + public ServiceImpl(String name, + CompositeComponent parent, + ServiceContract<?> contract, + URI targetUri, + boolean system) { + super(name, parent); + this.serviceContract = contract; + this.system = system; + this.targetUri = targetUri; + } + + public Scope getScope() { + return Scope.SYSTEM; + } + + public ServiceContract<?> getServiceContract() { + return serviceContract; + } + + public URI getTargetUri() { + return targetUri; + } + + public List<ServiceBinding> getServiceBindings() { + return Collections.unmodifiableList(bindings); + } + + public void addServiceBinding(ServiceBinding binding) { + binding.setService(this); + bindings.add(binding); + } + + public void start() { + super.start(); + for (ServiceBinding binding : bindings) { + binding.start(); + } + } + + public void stop() { + super.stop(); + for (ServiceBinding binding : bindings) { + binding.stop(); + } + } + + @Override + public boolean isSystem() { + return system; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/SystemCompositeBuilder.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/SystemCompositeBuilder.java new file mode 100644 index 0000000000..82fb5bf62e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/SystemCompositeBuilder.java @@ -0,0 +1,67 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.builder.BuilderRegistry; +import org.apache.tuscany.spi.builder.Connector; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.services.management.TuscanyManagementService; + +import org.apache.tuscany.core.implementation.system.model.SystemCompositeImplementation; + +/** + * Produces system composite components by evaluating an assembly. + * + * @version $Rev$ $Date$ + */ +public class SystemCompositeBuilder extends AbstractCompositeBuilder<SystemCompositeImplementation> { + private TuscanyManagementService managementService; + + public SystemCompositeBuilder() { + } + + public SystemCompositeBuilder(BuilderRegistry builderRegistry, + Connector connector, + TuscanyManagementService managementService) { + this.builderRegistry = builderRegistry; + this.connector = connector; + this.managementService = managementService; + } + + public CompositeComponent build(CompositeComponent parent, + ComponentDefinition<SystemCompositeImplementation> componentDefinition, + DeploymentContext deploymentContext) throws BuilderException { + SystemCompositeImplementation impl = componentDefinition.getImplementation(); + CompositeComponentType<?, ?, ?> componentType = impl.getComponentType(); + String name = componentDefinition.getName(); + CompositeComponent component = new CompositeComponentImpl(name, parent, connector, true); + component.setManagementService(managementService); + build(parent, component, componentType, deploymentContext); + return component; + } + + protected Class<SystemCompositeImplementation> getImplementationType() { + return SystemCompositeImplementation.class; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/SystemSingletonAtomicComponent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/SystemSingletonAtomicComponent.java new file mode 100644 index 0000000000..c8c14e2fad --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/SystemSingletonAtomicComponent.java @@ -0,0 +1,161 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.composite; + +import java.util.Collection; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.TargetDestructionException; +import org.apache.tuscany.spi.component.TargetInitializationException; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.extension.AbstractComponentExtension; +import org.apache.tuscany.spi.idl.java.JavaServiceContract; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.model.ServiceDefinition; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.WireService; + +import org.apache.tuscany.core.wire.jdk.JDKWireService; + +/** + * An {@link org.apache.tuscany.spi.component.AtomicComponent} used when registering objects directly into a composite + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemSingletonAtomicComponent<S, T extends S> extends AbstractComponentExtension + implements AtomicComponent { + private T instance; + private Map<String, InboundWire> inboundWires; + private WireService wireService = new JDKWireService(); + + public SystemSingletonAtomicComponent(String name, CompositeComponent parent, Class<S> interfaze, T instance) { + super(name, parent); + this.instance = instance; + inboundWires = new HashMap<String, InboundWire>(); + initWire(interfaze); + } + + + public SystemSingletonAtomicComponent(String name, + CompositeComponent parent, + List<Class<?>> services, + T instance) { + super(name, parent); + this.instance = instance; + inboundWires = new HashMap<String, InboundWire>(); + for (Class<?> interfaze : services) { + initWire(interfaze); + } + } + + public Scope getScope() { + return Scope.COMPOSITE; + } + + public boolean isEagerInit() { + return false; + } + + public boolean isDestroyable() { + return false; + } + + public int getInitLevel() { + return 0; + } + + public long getMaxIdleTime() { + return -1; + } + + public long getMaxAge() { + return -1; + } + + public T getTargetInstance() throws TargetResolutionException { + return instance; + } + + public void init(Object instance) throws TargetInitializationException { + + } + + public void destroy(Object instance) throws TargetDestructionException { + + } + + public Object createInstance() throws ObjectCreationException { + throw new UnsupportedOperationException(); + } + + public void removeInstance() { + throw new UnsupportedOperationException(); + } + + public void addInboundWire(InboundWire wire) { + inboundWires.put(wire.getServiceName(), wire); + } + + public Collection<InboundWire> getInboundWires() { + return Collections.unmodifiableCollection(inboundWires.values()); + } + + public InboundWire getInboundWire(String serviceName) { + return inboundWires.get(serviceName); + } + + public void addOutboundWire(OutboundWire wire) { + throw new UnsupportedOperationException(); + } + + public void addOutboundWires(List<OutboundWire> wires) { + throw new UnsupportedOperationException(); + } + + public Map<String, List<OutboundWire>> getOutboundWires() { + return Collections.emptyMap(); + } + + + public TargetInvoker createTargetInvoker(String targetName, Operation operation, InboundWire callbackWire) { + return null; + } + + public boolean isSystem() { + return true; + } + + private void initWire(Class<?> interfaze) { + JavaServiceContract serviceContract = new JavaServiceContract(interfaze); + ServiceDefinition def = new ServiceDefinition(interfaze.getName(), serviceContract, false); + InboundWire wire = wireService.createWire(def); + wire.setContainer(this); + inboundWires.put(wire.getServiceName(), wire); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaAtomicComponent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaAtomicComponent.java new file mode 100644 index 0000000000..bc087dd4c2 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaAtomicComponent.java @@ -0,0 +1,100 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.java; + +import java.lang.reflect.Field; +import java.lang.reflect.Member; +import java.lang.reflect.Method; + +import org.apache.tuscany.spi.ObjectFactory; +import static org.apache.tuscany.spi.idl.java.JavaIDLUtils.findMethod; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.core.wire.WireObjectFactory; + +import org.apache.tuscany.core.implementation.PojoAtomicComponent; +import org.apache.tuscany.core.implementation.PojoConfiguration; +import org.apache.tuscany.core.injection.CallbackWireObjectFactory; +import org.apache.tuscany.core.injection.FieldInjector; +import org.apache.tuscany.core.injection.Injector; +import org.apache.tuscany.core.injection.InvalidAccessorException; +import org.apache.tuscany.core.injection.MethodInjector; + +/** + * The runtime instantiation of Java component implementations + * + * @version $Rev$ $Date$ + */ +public class JavaAtomicComponent extends PojoAtomicComponent { + + public JavaAtomicComponent(PojoConfiguration configuration) { + super(configuration); + } + + public TargetInvoker createTargetInvoker(String targetName, Operation operation, InboundWire callbackWire) { + Method[] methods; + Class callbackClass = null; + if (operation.isCallback()) { + callbackClass = operation.getServiceContract().getCallbackClass(); + methods = callbackClass.getMethods(); + + } else { + methods = operation.getServiceContract().getInterfaceClass().getMethods(); + } + Method method = findMethod(operation, methods); + return new JavaTargetInvoker(method, this, callbackWire, callbackClass, workContext, monitor); + } + + protected void onServiceWire(InboundWire wire) { + String name = wire.getCallbackReferenceName(); + if (name == null) { + // It's ok not to have one, we just do nothing + return; + } + Member member = callbackSites.get(name); + if (member != null) { + injectors.add(createCallbackInjector(member, wire.getServiceContract(), wire)); + } + } + + protected Injector<Object> createCallbackInjector(Member member, + ServiceContract<?> contract, + InboundWire inboundWire) { + if (member instanceof Field) { + Field field = (Field) member; + ObjectFactory<?> factory = new CallbackWireObjectFactory(field.getType(), wireService, inboundWire); + return new FieldInjector<Object>(field, factory); + } else if (member instanceof Method) { + Method method = (Method) member; + Class<?> type = method.getParameterTypes()[0]; + ObjectFactory<?> factory = new CallbackWireObjectFactory(type, wireService, inboundWire); + return new MethodInjector<Object>(method, factory); + } else { + throw new InvalidAccessorException("Member must be a field or method", member.getName()); + } + } + + @SuppressWarnings({"unchecked"}) + protected ObjectFactory<?> createWireFactory(Class<?> interfaze, OutboundWire wire) { + return new WireObjectFactory(interfaze, wire, wireService); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentBuilder.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentBuilder.java new file mode 100644 index 0000000000..4f97965da9 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentBuilder.java @@ -0,0 +1,198 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.java; + +import java.lang.reflect.Constructor; +import java.lang.reflect.Member; +import java.lang.reflect.Method; + +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.builder.BuilderConfigException; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentBuilderExtension; +import org.apache.tuscany.spi.host.ResourceHost; +import org.apache.tuscany.spi.implementation.java.ConstructorDefinition; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.Resource; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.PropertyValue; + +import org.apache.tuscany.core.implementation.PojoConfiguration; +import org.apache.tuscany.core.injection.MethodEventInvoker; +import org.apache.tuscany.core.injection.PojoObjectFactory; +import org.apache.tuscany.core.injection.ResourceObjectFactory; + +/** + * Builds a Java-based atomic context from a component definition + * + * @version $$Rev$$ $$Date$$ + */ +public class JavaComponentBuilder extends ComponentBuilderExtension<JavaImplementation> { + + private ResourceHost host; + + @Autowire + public void setHost(ResourceHost host) { + this.host = host; + } + + @SuppressWarnings("unchecked") + public AtomicComponent build(CompositeComponent parent, + ComponentDefinition<JavaImplementation> definition, + DeploymentContext deployment) throws BuilderConfigException { + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> componentType = + definition.getImplementation().getComponentType(); + + PojoConfiguration configuration = new PojoConfiguration(); + configuration.setParent(parent); + if (definition.getInitLevel() != null) { + configuration.setInitLevel(definition.getInitLevel()); + } else { + configuration.setInitLevel(componentType.getInitLevel()); + } + if (componentType.getMaxAge() > 0) { + configuration.setMaxAge(componentType.getMaxAge()); + } else if (componentType.getMaxIdleTime() > 0) { + configuration.setMaxIdleTime(componentType.getMaxIdleTime()); + } + Method initMethod = componentType.getInitMethod(); + if (initMethod != null) { + configuration.setInitInvoker(new MethodEventInvoker(initMethod)); + } + Method destroyMethod = componentType.getDestroyMethod(); + if (destroyMethod != null) { + configuration.setDestroyInvoker(new MethodEventInvoker(destroyMethod)); + } + + configuration.setWireService(wireService); + configuration.setWorkContext(workContext); + configuration.setScheduler(workScheduler); + configuration.setImplementationClass(definition.getImplementation().getImplementationClass()); + + // setup property injection sites + for (JavaMappedProperty<?> property : componentType.getProperties().values()) { + configuration.addPropertySite(property.getName(), property.getMember()); + } + + // setup reference injection sites + for (JavaMappedReference reference : componentType.getReferences().values()) { + Member member = reference.getMember(); + if (member != null) { + // could be null if the reference is mapped to a constructor + configuration.addReferenceSite(reference.getName(), member); + } + } + + for (Resource resource : componentType.getResources().values()) { + Member member = resource.getMember(); + if (member != null) { + // could be null if the resource is mapped to a constructor + configuration.addResourceSite(resource.getName(), member); + } + } + + // setup constructor injection + ConstructorDefinition<?> ctorDef = componentType.getConstructorDefinition(); + Constructor<?> constr = ctorDef.getConstructor(); + PojoObjectFactory<?> instanceFactory = new PojoObjectFactory(constr); + configuration.setInstanceFactory(instanceFactory); + configuration.getConstructorParamNames().addAll(ctorDef.getInjectionNames()); + for (Class<?> clazz : constr.getParameterTypes()) { + configuration.addConstructorParamType(clazz); + } + configuration.setMonitor(monitor); + configuration.setName(definition.getName()); + JavaAtomicComponent component = new JavaAtomicComponent(configuration); + + // handle properties + handleProperties(definition, component); + + // handle resources + handleResources(componentType, component, parent); + + handleCallbackSites(componentType, configuration); + + // FIXME JFM this should be refactored to be by operation + component.setAllowsPassByReference(componentType.isAllowsPassByReference()); + + if (componentType.getConversationIDMember() != null) { + component.addConversationIDFactory(componentType.getConversationIDMember()); + } + + return component; + } + + private void handleCallbackSites( + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> componentType, + PojoConfiguration configuration) { + for (JavaMappedService service : componentType.getServices().values()) { + // setup callback injection sites + if (service.getCallbackReferenceName() != null) { + // Only if there is a callback reference in the service + configuration.addCallbackSite(service.getCallbackReferenceName(), service.getCallbackMember()); + } + } + } + + @SuppressWarnings({"unchecked"}) + private void handleResources( + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> componentType, + JavaAtomicComponent component, + CompositeComponent parent) { + for (Resource resource : componentType.getResources().values()) { + ObjectFactory<?> objectFactory = resource.getObjectFactory(); + if (objectFactory != null) { + component.addResourceFactory(resource.getName(), objectFactory); + } else { + String name = resource.getName(); + boolean optional = resource.isOptional(); + Class<Object> type = (Class<Object>) resource.getType(); + ResourceObjectFactory<Object> factory; + String mappedName = resource.getMappedName(); + if (mappedName == null) { + // by type + factory = new ResourceObjectFactory<Object>(type, optional, parent, host); + } else { + factory = new ResourceObjectFactory<Object>(type, mappedName, optional, parent, host); + } + component.addResourceFactory(name, factory); + } + } + } + + private void handleProperties(ComponentDefinition<JavaImplementation> definition, JavaAtomicComponent component) { + for (PropertyValue<?> property : definition.getPropertyValues().values()) { + ObjectFactory<?> factory = property.getValueFactory(); + if (factory != null) { + component.addPropertyFactory(property.getName(), factory); + } + } + } + + protected Class<JavaImplementation> getImplementationType() { + return JavaImplementation.class; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentTypeLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentTypeLoader.java new file mode 100644 index 0000000000..ddfef5a2a2 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentTypeLoader.java @@ -0,0 +1,90 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.java; + +import java.net.URL; + +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentTypeLoaderExtension; +import org.apache.tuscany.spi.implementation.java.IntrospectionRegistry; +import org.apache.tuscany.spi.implementation.java.Introspector; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; + +import org.apache.tuscany.core.util.JavaIntrospectionHelper; + +/** + * @version $Rev$ $Date$ + */ +public class JavaComponentTypeLoader extends ComponentTypeLoaderExtension<JavaImplementation> { + private Introspector introspector; + + @Constructor({"registry", "introspector"}) + public JavaComponentTypeLoader(@Autowire LoaderRegistry loaderRegistry, + @Autowire IntrospectionRegistry introspector) { + super(loaderRegistry); + this.introspector = introspector; + } + + @Override + protected Class<JavaImplementation> getImplementationClass() { + return JavaImplementation.class; + } + + public void load(CompositeComponent parent, + JavaImplementation implementation, + DeploymentContext deploymentContext) throws LoaderException { + Class<?> implClass = implementation.getImplementationClass(); + URL resource = implClass.getResource(JavaIntrospectionHelper.getBaseName(implClass) + ".componentType"); + PojoComponentType componentType; + if (resource == null) { + componentType = loadByIntrospection(parent, implementation, deploymentContext); + } else { + componentType = loadFromSidefile(parent, resource, deploymentContext); + } + implementation.setComponentType(componentType); + } + + protected PojoComponentType loadByIntrospection(CompositeComponent parent, + JavaImplementation implementation, + DeploymentContext deploymentContext) throws ProcessingException { + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> componentType = + new PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>>(); + Class<?> implClass = implementation.getImplementationClass(); + introspector.introspect(parent, implClass, componentType, deploymentContext); + return componentType; + } + + protected PojoComponentType loadFromSidefile(CompositeComponent parent, + URL url, + DeploymentContext deploymentContext) throws LoaderException { + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> componentType = + new PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>>(); + return loaderRegistry.load(parent, componentType, url, PojoComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementation.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementation.java new file mode 100644 index 0000000000..807db532fe --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementation.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.java; + +import org.apache.tuscany.spi.model.AtomicImplementation; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; + +/** + * @version $$Rev$$ $$Date$$ + */ +public class JavaImplementation extends AtomicImplementation<PojoComponentType> { + private Class<?> implementationClass; + + public Class<?> getImplementationClass() { + return implementationClass; + } + + public void setImplementationClass(Class<?> implementationClass) { + this.implementationClass = implementationClass; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementationLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementationLoader.java new file mode 100644 index 0000000000..2ba538486d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementationLoader.java @@ -0,0 +1,63 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.java; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderUtil; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.annotation.Autowire; + +public class JavaImplementationLoader extends LoaderExtension { + public static final QName IMPLEMENTATION_JAVA = new QName(XML_NAMESPACE_1_0, "implementation.java"); + + @Constructor({"registry"}) + public JavaImplementationLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + @Override + public QName getXMLType() { + return IMPLEMENTATION_JAVA; + } + + public ModelObject load(CompositeComponent parent, ModelObject object, XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + assert IMPLEMENTATION_JAVA.equals(reader.getName()); + JavaImplementation implementation = new JavaImplementation(); + String implClass = reader.getAttributeValue(null, "class"); + Class<?> implementationClass = LoaderUtil.loadClass(implClass, deploymentContext.getClassLoader()); + implementation.setImplementationClass(implementationClass); + registry.loadComponentType(parent, implementation, deploymentContext); + LoaderUtil.skipToEndElement(reader); + return implementation; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaTargetInvoker.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaTargetInvoker.java new file mode 100644 index 0000000000..6da60304fa --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaTargetInvoker.java @@ -0,0 +1,144 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.java; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.Set; + +import org.osoa.sca.NoRegisteredCallbackException; + +import org.apache.tuscany.spi.component.ComponentException; +import org.apache.tuscany.spi.component.InvalidConversationSequenceException; +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.extension.ExecutionMonitor; +import org.apache.tuscany.spi.extension.TargetInvokerExtension; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.wire.InboundWire; + +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.findClosestMatchingMethod; +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.getAllUniquePublicProtectedMethods; + +/** + * Responsible for synchronously dispatching an invocation to a Java component implementation instance + * + * @version $Rev$ $Date$ + */ +public class JavaTargetInvoker extends TargetInvokerExtension { + protected Method operation; + protected JavaAtomicComponent component; + protected Object target; + protected Class callbackClass; + protected boolean stateless; + + public JavaTargetInvoker(Method operation, + JavaAtomicComponent component, + InboundWire wire, + Class callbackClass, + WorkContext context, + ExecutionMonitor monitor) { + super(wire, context, monitor); + assert operation != null : "Operation method cannot be null"; + this.operation = operation; + this.component = component; + stateless = Scope.STATELESS == component.getScope(); + this.callbackClass = callbackClass; + } + + public JavaTargetInvoker(Method operation, + JavaAtomicComponent component, + InboundWire callbackWire, + WorkContext context, + ExecutionMonitor monitor) { + this(operation, component, callbackWire, null, context, monitor); + } + + public Object invokeTarget(final Object payload, final short sequence) throws InvocationTargetException { + try { + Object instance = getInstance(sequence); + if (callbackClass != null && !callbackClass.isInstance(instance)) { + throw new InvocationTargetException( + new NoRegisteredCallbackException("Instance is does not implement callback [" + + callbackClass.toString() + "]")); + } + if (!operation.getDeclaringClass().isInstance(instance)) { + Set<Method> methods = getAllUniquePublicProtectedMethods(instance.getClass()); + Method newOperation = findClosestMatchingMethod(operation.getName(), + operation.getParameterTypes(), methods); + if (newOperation != null) { + operation = newOperation; + } + } + Object ret; + if (payload != null && !payload.getClass().isArray()) { + ret = operation.invoke(instance, payload); + } else { + ret = operation.invoke(instance, (Object[]) payload); + } + if (stateless) { + // notify a stateless instance of a destruction event after the invoke + component.destroy(instance); + } else if (sequence == END) { + component.destroy(instance); + // if end conversation, remove resource + component.removeInstance(); + } + return ret; + } catch (IllegalAccessException e) { + throw new InvocationTargetException(e); + } catch (ComponentException e) { + throw new InvocationTargetException(e); + } + } + + @Override + public JavaTargetInvoker clone() throws CloneNotSupportedException { + try { + JavaTargetInvoker invoker = (JavaTargetInvoker) super.clone(); + invoker.target = null; + return invoker; + } catch (CloneNotSupportedException e) { + return null; // will not happen + } + } + + /** + * Resolves the target service instance or returns a cached one + */ + protected Object getInstance(short sequence) throws TargetException { + if (!cacheable) { + if (sequence == START || sequence == NONE) { + return component.getTargetInstance(); + } else if (sequence == CONTINUE || sequence == END) { + return component.getAssociatedTargetInstance(); + } else { + throw new InvalidConversationSequenceException("Unknown sequence type", String.valueOf(sequence)); + } + } else { + assert sequence == NONE; // conversations are not cacheable + if (target == null) { + target = component.getTargetInstance(); + } + return target; + } + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/AllowsPassByReferenceProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/AllowsPassByReferenceProcessor.java new file mode 100644 index 0000000000..53ad52e110 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/AllowsPassByReferenceProcessor.java @@ -0,0 +1,51 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.implementation.processor;
+
+import org.osoa.sca.annotations.AllowsPassByReference;
+
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension;
+import org.apache.tuscany.spi.implementation.java.JavaMappedProperty;
+import org.apache.tuscany.spi.implementation.java.JavaMappedReference;
+import org.apache.tuscany.spi.implementation.java.JavaMappedService;
+import org.apache.tuscany.spi.implementation.java.PojoComponentType;
+import org.apache.tuscany.spi.implementation.java.ProcessingException;
+
+/**
+ * Processes {@link AllowsPassByReference} on an implementation
+ *
+ * @version $Rev: 479093 $ $Date: 2006-11-25 12:34:41 +0530 (Sat, 25 Nov 2006) $
+ */
+public class AllowsPassByReferenceProcessor extends ImplementationProcessorExtension {
+
+ public <T> void visitClass(CompositeComponent parent, Class<T> clazz,
+ PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type,
+ DeploymentContext context)
+ throws ProcessingException {
+ AllowsPassByReference annotation = clazz.getAnnotation(AllowsPassByReference.class);
+ if (annotation != null) {
+ type.setAllowsPassByReference(true);
+ } else {
+ type.setAllowsPassByReference(false);
+ }
+
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/AmbiguousConstructorException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/AmbiguousConstructorException.java new file mode 100644 index 0000000000..03d092880d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/AmbiguousConstructorException.java @@ -0,0 +1,41 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Thrown when constructor parameters cannot be unambiguously resolved to a property or reference + * + * @version $Rev$ $Date$ + */ +public class AmbiguousConstructorException extends ProcessingException { + + public AmbiguousConstructorException(String message) { + super(message); + } + + public AmbiguousConstructorException(String message, String identifier) { + super(message, identifier); + } + + public AmbiguousConstructorException(String message, String identifier, Throwable cause) { + super(message, identifier, cause); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ConstructorProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ConstructorProcessor.java new file mode 100644 index 0000000000..f8fc449679 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ConstructorProcessor.java @@ -0,0 +1,106 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Constructor; +import java.util.List; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.ConstructorDefinition; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorService; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; + + +/** + * Handles processing of a constructor decorated with {@link org.osoa.sca.annotations.Constructor} + * + * @version $Rev$ $Date$ + */ +@SuppressWarnings("unchecked") +public class ConstructorProcessor extends ImplementationProcessorExtension { + + private ImplementationProcessorService service; + + public ConstructorProcessor(@Autowire ImplementationProcessorService service) { + this.service = service; + } + + public <T> void visitClass(CompositeComponent parent, Class<T> clazz, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + Constructor[] ctors = clazz.getConstructors(); + boolean found = false; + for (Constructor constructor : ctors) { + if (constructor.getAnnotation(org.osoa.sca.annotations.Constructor.class) != null) { + if (found) { + String name = constructor.getDeclaringClass().getName(); + throw new DuplicateConstructorException("Multiple constructors marked with @Constructor", name); + } + found = true; + } + } + } + + public <T> void visitConstructor(CompositeComponent parent, Constructor<T> constructor, + PojoComponentType<JavaMappedService, JavaMappedReference, + JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + org.osoa.sca.annotations.Constructor annotation = + constructor.getAnnotation(org.osoa.sca.annotations.Constructor.class); + if (annotation == null) { + return; + } + ConstructorDefinition<?> definition = type.getConstructorDefinition(); + if (definition != null && !definition.getConstructor().equals(constructor)) { + String name = constructor.getDeclaringClass().getName(); + throw new DuplicateConstructorException("Multiple constructor definitions found", name); + } else if (definition == null) { + definition = new ConstructorDefinition(constructor); + } + Class<?>[] params = constructor.getParameterTypes(); + String[] names = annotation.value(); + Annotation[][] annotations = constructor.getParameterAnnotations(); + List<String> injectionNames = definition.getInjectionNames(); + for (int i = 0; i < params.length; i++) { + Class<?> param = params[i]; + Annotation[] paramAnnotations = annotations[i]; + try { + if (!service.processParam(param, paramAnnotations, names, i, type, injectionNames)) { + String name = (i < names.length) ? names[i] : ""; + service.addName(injectionNames, i, name); + } + } catch (ProcessingException e) { + e.setMember(constructor); + throw e; + } + } + if (names.length != 0 && names[0].length() != 0 && names.length != params.length) { + throw new InvalidConstructorException("Names in @Constructor do not match number of parameters"); + } + type.setConstructorDefinition(definition); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ContextProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ContextProcessor.java new file mode 100644 index 0000000000..b0216e3d38 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ContextProcessor.java @@ -0,0 +1,124 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.reflect.Field; +import java.lang.reflect.Method; + +import org.osoa.sca.CompositeContext; +import org.osoa.sca.RequestContext; +import org.osoa.sca.annotations.Context; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.implementation.java.Resource; +import org.apache.tuscany.spi.wire.WireService; + +import org.apache.tuscany.core.injection.CompositeContextObjectFactory; +import org.apache.tuscany.core.injection.RequestContextObjectFactory; +import org.apache.tuscany.core.util.JavaIntrospectionHelper; + +/** + * Processes {@link @Context} annotations on a component implementation and adds a {@link JavaMappedProperty} to the + * component type which will be used to inject the appropriate context + * + * @version $Rev$ $Date$ + */ +public class ContextProcessor extends ImplementationProcessorExtension { + private WireService wireService; + private WorkContext workContext; + + @Autowire + public void setWireService(WireService wireService) { + this.wireService = wireService; + } + + @Autowire + public void setWorkContext(WorkContext workContext) { + this.workContext = workContext; + } + + public void visitMethod(CompositeComponent parent, + Method method, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) + throws ProcessingException { + if (method.getAnnotation(Context.class) == null) { + return; + } + if (method.getParameterTypes().length != 1) { + throw new IllegalContextException("Context setter must have one parameter", method.toString()); + } + Class<?> paramType = method.getParameterTypes()[0]; + if (CompositeContext.class.equals(paramType)) { + String name = method.getName(); + name = JavaIntrospectionHelper.toPropertyName(name); + Resource resource = new Resource(); + resource.setName(name); + resource.setMember(method); + resource.setObjectFactory(new CompositeContextObjectFactory(parent, wireService)); + type.getResources().put(name, resource); + } else if (RequestContext.class.equals(paramType)) { + String name = method.getName(); + name = JavaIntrospectionHelper.toPropertyName(name); + Resource resource = new Resource(); + resource.setName(name); + resource.setMember(method); + resource.setObjectFactory(new RequestContextObjectFactory(workContext)); + type.getResources().put(name, resource); + } else { + throw new UnknownContextTypeException(paramType.getName()); + } + } + + public void visitField(CompositeComponent parent, Field field, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + if (field.getAnnotation(Context.class) == null) { + return; + } + Class<?> paramType = field.getType(); + if (CompositeContext.class.equals(paramType)) { + String name = field.getName(); + Resource resource = new Resource(); + resource.setName(name); + resource.setMember(field); + resource.setObjectFactory(new CompositeContextObjectFactory(parent, wireService)); + type.getResources().put(name, resource); + } else if (RequestContext.class.equals(paramType)) { + String name = field.getName(); + name = JavaIntrospectionHelper.toPropertyName(name); + Resource resource = new Resource(); + resource.setName(name); + resource.setMember(field); + resource.setObjectFactory(new RequestContextObjectFactory(workContext)); + type.getResources().put(name, resource); + } else { + throw new UnknownContextTypeException(paramType.getName()); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ConversationProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ConversationProcessor.java new file mode 100644 index 0000000000..e3a173ea06 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ConversationProcessor.java @@ -0,0 +1,142 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.reflect.Field; +import java.lang.reflect.Method; + +import org.osoa.sca.annotations.Conversation; +import org.osoa.sca.annotations.ConversationID; +import org.osoa.sca.annotations.Scope; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * @version $Rev$ $Date$ + */ +public class ConversationProcessor extends ImplementationProcessorExtension { + private static final String SECONDS = " SECONDS"; + private static final String MINUTES = " MINUTES"; + private static final String HOURS = " HOURS"; + private static final String DAYS = " DAYS"; + private static final String YEARS = " YEARS"; + + public <T> void visitClass(CompositeComponent parent, + Class<T> clazz, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + + Conversation conversation = clazz.getAnnotation(Conversation.class); + if (conversation == null) { + return; + } + Scope scope = clazz.getAnnotation(Scope.class); + if (scope == null) { + // implicitly assume conversation + type.setImplementationScope(org.apache.tuscany.spi.model.Scope.CONVERSATION); + } else if (scope != null && !"CONVERSATION".equals(scope.value().toUpperCase())) { + throw new InvalidConversationalImplementation( + "Service is marked with @Conversation but the scope is not @Scope(\"CONVERSATION\")", clazz.getName()); + } else if (conversation != null) { + long maxAge; + long maxIdleTime; + String maxAgeVal = conversation.maxAge(); + String maxIdleTimeVal = conversation.maxIdleTime(); + if (maxAgeVal.length() > 0 && maxIdleTimeVal.length() > 0) { + throw new InvalidConversationalImplementation("Max idle time and age both specified", clazz.getName()); + } + try { + if (maxAgeVal.length() > 0) { + maxAge = convertTimeMillis(maxAgeVal); + type.setMaxAge(maxAge); + } + } catch (NumberFormatException e) { + throw new InvalidConversationalImplementation("Invalid maximum age", clazz.getName(), e); + } + try { + if (maxIdleTimeVal.length() > 0) { + maxIdleTime = convertTimeMillis(maxIdleTimeVal); + type.setMaxIdleTime(maxIdleTime); + } + } catch (NumberFormatException e) { + throw new InvalidConversationalImplementation("Invalid maximum idle time", clazz.getName(), e); + } + } + + } + + public void visitMethod(CompositeComponent parent, Method method, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) + throws ProcessingException { + ConversationID conversationID = method.getAnnotation(ConversationID.class); + if (conversationID == null) { + return; + } + type.setConversationIDMember(method); + } + + public void visitField(CompositeComponent parent, Field field, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + ConversationID conversationID = field.getAnnotation(ConversationID.class); + if (conversationID == null) { + return; + } + type.setConversationIDMember(field); + } + + protected long convertTimeMillis(String expr) throws NumberFormatException { + expr = expr.trim().toUpperCase(); + int i = expr.lastIndexOf(SECONDS); + if (i >= 0) { + String units = expr.substring(0, i); + return Long.parseLong(units) * 1000; + } + i = expr.lastIndexOf(MINUTES); + if (i >= 0) { + String units = expr.substring(0, i); + return Long.parseLong(units) * 60000; + } + + i = expr.lastIndexOf(HOURS); + if (i >= 0) { + String units = expr.substring(0, i); + return Long.parseLong(units) * 3600000; + } + i = expr.lastIndexOf(DAYS); + if (i >= 0) { + String units = expr.substring(0, i); + return Long.parseLong(units) * 86400000; + } + i = expr.lastIndexOf(YEARS); + if (i >= 0) { + String units = expr.substring(0, i); + return Long.parseLong(units) * 31556926000L; + } + return Long.parseLong(expr) * 1000; // assume seconds if no suffix specified + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DestroyProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DestroyProcessor.java new file mode 100644 index 0000000000..7ef540432f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DestroyProcessor.java @@ -0,0 +1,62 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; + +import org.osoa.sca.annotations.Destroy; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Processes the {@link @Destroy} annotation on a component implementation and updates the component type with the + * decorated destructor method + * + * @version $Rev$ $Date$ + */ +public class DestroyProcessor extends ImplementationProcessorExtension { + + public void visitMethod(CompositeComponent parent, Method method, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) + throws ProcessingException { + Destroy annotation = method.getAnnotation(Destroy.class); + if (annotation == null) { + return; + } + if (method.getParameterTypes().length != 0) { + throw new IllegalDestructorException("Destructor must not have argments", method.toString()); + } + if (type.getDestroyMethod() != null) { + throw new DuplicateDestructorException("More than one destructor found on implementation"); + } + if (Modifier.isProtected(method.getModifiers())) { + method.setAccessible(true); + } + type.setDestroyMethod(method); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateConstructorException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateConstructorException.java new file mode 100644 index 0000000000..88db7ebb79 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateConstructorException.java @@ -0,0 +1,38 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Thrown when more than one component implementation constructor is annotated with {@link + * org.osoa.sca.annotations.Constructor} + * + * @version $Rev$ $Date$ + */ +public class DuplicateConstructorException extends ProcessingException { + + public DuplicateConstructorException(String message) { + super(message); + } + + public DuplicateConstructorException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateDestructorException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateDestructorException.java new file mode 100644 index 0000000000..6225bd6219 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateDestructorException.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Thrown when an implementation is annotated multiple times with {@link org.osoa.sca.annotations.Destroy} + * + * @version $Rev$ $Date$ + */ +public class DuplicateDestructorException extends ProcessingException { + + public DuplicateDestructorException(String message) { + super(message); + } + + public DuplicateDestructorException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateInitException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateInitException.java new file mode 100644 index 0000000000..105edee1a2 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateInitException.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Thrown when an implementation is annotated multiple times with {@link @org.osoa.sca.annotations.Init} + * + * @version $Rev$ $Date$ + */ +public class DuplicateInitException extends ProcessingException { + + public DuplicateInitException(String message) { + super(message); + } + + public DuplicateInitException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateReferenceException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateReferenceException.java new file mode 100644 index 0000000000..5eae1461c2 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateReferenceException.java @@ -0,0 +1,38 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Thrown when an implementation has more than one reference injection site with the same name + * + * @version $Rev$ $Date$ + */ +public class DuplicateReferenceException extends ProcessingException { + + public DuplicateReferenceException(String message) { + super(message); + } + + + public DuplicateReferenceException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateResourceException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateResourceException.java new file mode 100644 index 0000000000..9dd718c03e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateResourceException.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Thrown when an implementation has more than one resource injection site with the same name + * + * @version $Rev$ $Date$ + */ +public class DuplicateResourceException extends ProcessingException { + + public DuplicateResourceException(String message) { + super(message); + } + + public DuplicateResourceException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/EagerInitProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/EagerInitProcessor.java new file mode 100644 index 0000000000..9c8858b78c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/EagerInitProcessor.java @@ -0,0 +1,59 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Handles processing of {@link org.osoa.sca.annotations.EagerInit} + * + * @version $Rev$ $Date$ + */ +public class EagerInitProcessor extends ImplementationProcessorExtension { + + public <T> void visitClass(CompositeComponent parent, Class<T> clazz, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + super.visitClass(parent, clazz, type, context); + EagerInit annotation = clazz.getAnnotation(EagerInit.class); + if (annotation == null) { + Class<?> superClass = clazz.getSuperclass(); + while (!Object.class.equals(superClass)) { + annotation = superClass.getAnnotation(EagerInit.class); + if (annotation != null) { + break; + } + superClass = superClass.getSuperclass(); + } + if (annotation == null) { + return; + } + } + type.setInitLevel(annotation.value()); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/HeuristicPojoProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/HeuristicPojoProcessor.java new file mode 100644 index 0000000000..bdf5d23ea8 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/HeuristicPojoProcessor.java @@ -0,0 +1,546 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Constructor; +import java.lang.reflect.Field; +import java.lang.reflect.Member; +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; +import java.lang.reflect.ParameterizedType; +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import org.osoa.sca.annotations.Remotable; +import org.osoa.sca.annotations.Service; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.databinding.extension.SimpleTypeMapperExtension; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.idl.InvalidServiceContractException; +import org.apache.tuscany.spi.idl.TypeInfo; +import org.apache.tuscany.spi.implementation.java.ConstructorDefinition; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorService; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.model.OverrideOptions; + +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.getAllInterfaces; +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.getAllPublicAndProtectedFields; +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.getAllUniquePublicProtectedMethods; +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.getBaseName; +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.toPropertyName; + +/** + * Heuristically evaluates an un-annotated Java implementation type to determine services, references, and properties + * according to the algorithm described in the SCA Java Client and Implementation Model Specification <p/> TODO + * Implement: + * <p/> + * When no service inteface is annotated, need to calculate a single service comprising all public methods that are not + * reference or property injection sites. If that service can be exactly mapped to an interface implemented by the class + * then the service interface will be defined in terms of that interface. + * + * @version $Rev$ $Date$ + */ +public class HeuristicPojoProcessor extends ImplementationProcessorExtension { + private SimpleTypeMapperExtension typeMapper = new SimpleTypeMapperExtension(); + private ImplementationProcessorService implService; + + public HeuristicPojoProcessor(@Autowire ImplementationProcessorService service) { + this.implService = service; + } + + public <T> void visitEnd( + CompositeComponent parent, + Class<T> clazz, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + Map<String, JavaMappedService> services = type.getServices(); + if (services.isEmpty()) { + // heuristically determine the service + // TODO finish algorithm + Set<Class> interfaces = getAllInterfaces(clazz); + if (interfaces.size() == 0) { + // class is the interface + JavaMappedService service; + try { + service = implService.createService(clazz); + } catch (InvalidServiceContractException e) { + throw new ProcessingException(e); + } + type.getServices().put(service.getName(), service); + } else if (interfaces.size() == 1) { + JavaMappedService service; + try { + service = implService.createService(interfaces.iterator().next()); + } catch (InvalidServiceContractException e) { + throw new ProcessingException(e); + } + type.getServices().put(service.getName(), service); + } + } + Set<Method> methods = getAllUniquePublicProtectedMethods(clazz); + if (!type.getReferences().isEmpty() || !type.getProperties().isEmpty()) { + // references and properties have been explicitly defined + if (type.getServices().isEmpty()) { + calculateServiceInterface(clazz, type, methods); + if (type.getServices().isEmpty()) { + throw new ServiceTypeNotFoundException(clazz.getName()); + } + } + evaluateConstructor(type, clazz); + return; + } + calcPropRefs(methods, services, type, clazz); + evaluateConstructor(type, clazz); + } + + private <T> void calcPropRefs(Set<Method> methods, + Map<String, JavaMappedService> services, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + Class<T> clazz) throws ProcessingException { + // heuristically determine the properties references + // make a first pass through all public methods with one param + for (Method method : methods) { + if (method.getParameterTypes().length != 1 || !Modifier.isPublic(method.getModifiers()) + || !method.getName().startsWith("set") + || method.getReturnType() != void.class) { + continue; + } + if (!isInServiceInterface(method, services)) { + String name = toPropertyName(method.getName()); + // avoid duplicate property or ref names + if (!type.getProperties().containsKey(name) && !type.getReferences().containsKey(name)) { + Class<?> param = method.getParameterTypes()[0]; + Type genericType = method.getGenericParameterTypes()[0]; + if (isReferenceType(genericType)) { + type.add(createReference(name, method, param)); + } else { + type.add(createProperty(name, method, param)); + } + } + } + } + // second pass for protected methods with one param + for (Method method : methods) { + if (method.getParameterTypes().length != 1 || !Modifier.isProtected(method.getModifiers()) + || !method.getName().startsWith("set") + || method.getReturnType() != void.class) { + continue; + } + Class<?> param = method.getParameterTypes()[0]; + String name = toPropertyName(method.getName()); + // avoid duplicate property or ref names + if (!type.getProperties().containsKey(name) && !type.getReferences().containsKey(name)) { + if (isReferenceType(param)) { + type.add(createReference(name, method, param)); + } else { + type.add(createProperty(name, method, param)); + } + } + } + Set<Field> fields = getAllPublicAndProtectedFields(clazz); + for (Field field : fields) { + Class<?> paramType = field.getType(); + if (isReferenceType(paramType)) { + type.add(createReference(field.getName(), field, paramType)); + } else { + type.add(createProperty(field.getName(), field, paramType)); + } + } + } + + /** + * Determines the constructor to use based on the component type's references and properties + * + * @param type the component type + * @param clazz the implementation class corresponding to the component type + * @throws NoConstructorException if no suitable constructor is found + * @throws AmbiguousConstructorException if the parameters of a constructor cannot be unambiguously mapped to + * references and properties + */ + @SuppressWarnings("unchecked") + private <T> void evaluateConstructor( + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + Class<T> clazz) throws ProcessingException { + // determine constructor if one is not annotated + ConstructorDefinition<?> definition = type.getConstructorDefinition(); + Constructor constructor; + boolean explict = false; + if (definition != null + && definition.getConstructor().getAnnotation(org.osoa.sca.annotations.Constructor.class) != null) { + // the constructor was already defined explicitly + return; + } else if (definition != null) { + explict = true; + constructor = definition.getConstructor(); + } else { + // no definition, heuristically determine constructor + Constructor[] constructors = clazz.getConstructors(); + if (constructors.length == 0) { + throw new NoConstructorException("No public constructor for class", clazz.getName()); + } else if (constructors.length == 1) { + constructor = constructors[0]; + } else { + // FIXME multiple constructors, none yet done + Constructor<T> selected = null; + int sites = type.getProperties().size() + type.getReferences().size(); + for (Constructor<T> ctor : constructors) { + if (ctor.getParameterTypes().length == 0) { + selected = ctor; + } + if (ctor.getParameterTypes().length == sites) { + // TODO finish + // selected = constructor; + // select constructor + // break; + } + } + if (selected == null) { + throw new NoConstructorException(); + } + constructor = selected; + definition = new ConstructorDefinition<T>(selected); + type.setConstructorDefinition(definition); + // return; + } + definition = new ConstructorDefinition<T>(constructor); + type.setConstructorDefinition(definition); + } + Class[] params = constructor.getParameterTypes(); + if (params.length == 0) { + return; + } + List<String> paramNames = definition.getInjectionNames(); + Map<String, JavaMappedProperty<?>> props = type.getProperties(); + Map<String, JavaMappedReference> refs = type.getReferences(); + Annotation[][] annotations = constructor.getParameterAnnotations(); + if (!explict) { + // the constructor wasn't defined by an annotation, so check to see if any of the params have an annotation + // which we can impute as explicitly defining the constructor, e.g. @Property, @Reference, or @Autowire + explict = implService.injectionAnnotationsPresent(annotations); + } + if (explict) { + for (int i = 0; i < params.length; i++) { + Class param = params[i]; + implService.processParam(param, annotations[i], new String[0], i, type, paramNames); + } + } else { + if (!implService.areUnique(params)) { + throw new AmbiguousConstructorException("Cannot resolve non-unique parameter types, use @Constructor"); + } + if (!calcPropRefUniqueness(props.values(), refs.values())) { + throw new AmbiguousConstructorException("Cannot resolve non-unique parameter types, use @Constructor"); + } + boolean empty = props.size() + refs.size() == 0; + if (!empty) { + calcParamNames(params, props, refs, paramNames); + } else { + heuristicParamNames(params, refs, props, paramNames); + + } + } + } + + private void calcParamNames(Class[] params, + Map<String, JavaMappedProperty<?>> props, + Map<String, JavaMappedReference> refs, + List<String> paramNames) + throws AmbiguousConstructorException { + // the constructor param types must unambiguously match defined reference or property types + for (Class param : params) { + String name = findReferenceOrProperty(param, props, refs); + if (name == null) { + throw new AmbiguousConstructorException(param.getName()); + } + paramNames.add(name); + } + } + + private void heuristicParamNames(Class[] params, + Map<String, JavaMappedReference> refs, + Map<String, JavaMappedProperty<?>> props, + List<String> paramNames) + throws ProcessingException { + // heuristically determine refs and props from the parameter types + for (Class<?> param : params) { + String name = getBaseName(param).toLowerCase(); + if (isReferenceType(param)) { + refs.put(name, createReference(name, null, param)); + } else { + props.put(name, createProperty(name, null, param)); + } + paramNames.add(name); + } + } + + /** + * Returns true if the union of the given collections of properties and references have unique Java types + */ + private boolean calcPropRefUniqueness( + Collection<JavaMappedProperty<?>> props, + Collection<JavaMappedReference> refs) { + + Class[] classes = new Class[props.size() + refs.size()]; + int i = 0; + for (JavaMappedProperty<?> property : props) { + classes[i] = property.getJavaType(); + i++; + } + for (JavaMappedReference reference : refs) { + classes[i] = reference.getServiceContract().getInterfaceClass(); + i++; + } + return implService.areUnique(classes); + } + + /** + * Unambiguously finds the reference or property associated with the given type + * + * @return the name of the reference or property if found, null if not + * @throws AmbiguousConstructorException if the constructor parameter cannot be resolved to a property or reference + */ + private String findReferenceOrProperty( + Class<?> type, + Map<String, JavaMappedProperty<?>> props, + Map<String, JavaMappedReference> refs) throws AmbiguousConstructorException { + + String name = null; + for (JavaMappedProperty<?> property : props.values()) { + if (property.getJavaType().equals(type)) { + if (name != null) { + throw new AmbiguousConstructorException("Ambiguous property or reference for constructor type", + type.getName()); + } + name = property.getName(); + // do not break since ambiguities must be checked, i.e. more than one prop or ref of the same type + } + } + for (JavaMappedReference reference : refs.values()) { + if (reference.getServiceContract().getInterfaceClass().equals(type)) { + if (name != null) { + throw new AmbiguousConstructorException("Ambiguous property or reference for constructor type", + type.getName()); + } + name = reference.getName(); + // do not break since ambiguities must be checked, i.e. more than one prop or ref of the same type + } + } + return name; + } + + /** + * Returns true if a given type is reference according to the SCA specification rules for determining reference + * types + */ + private boolean isReferenceType(Type operationType) { + Class<?> rawType; + Class<?> referenceType = null; + if (operationType instanceof ParameterizedType) { + ParameterizedType parameterizedType = (ParameterizedType) operationType; + rawType = (Class<?>) parameterizedType.getRawType(); + Type[] typeArgs = parameterizedType.getActualTypeArguments(); + if (typeArgs.length == 1) { + referenceType = (Class<?>) typeArgs[0]; + } + } else { + rawType = (Class<?>) operationType; + } + if (rawType.isArray()) { + referenceType = rawType.getComponentType(); + } else if (Collection.class.isAssignableFrom(rawType) && referenceType == null) { + return true; + } + if (referenceType != null) { + return referenceType.getAnnotation(Remotable.class) != null + || referenceType.getAnnotation(Service.class) != null; + } else { + return rawType.getAnnotation(Remotable.class) != null || rawType.getAnnotation(Service.class) != null; + } + } + + /** + * Returns true if the given operation is defined in the collection of service interfaces + */ + private boolean isInServiceInterface(Method operation, Map<String, JavaMappedService> services) { + for (JavaMappedService service : services.values()) { + Class<?> clazz = service.getServiceContract().getInterfaceClass(); + if (operation.getDeclaringClass().equals(clazz)) { + return true; + } + Method[] methods = service.getServiceContract().getInterfaceClass().getMethods(); + for (Method method : methods) { + if (operation.getName().equals(method.getName()) + && operation.getParameterTypes().length == method.getParameterTypes().length) { + Class<?>[] methodTypes = method.getParameterTypes(); + for (int i = 0; i < operation.getParameterTypes().length; i++) { + Class<?> paramType = operation.getParameterTypes()[i]; + if (!paramType.equals(methodTypes[i])) { + break; + } else if (i == operation.getParameterTypes().length - 1) { + return true; + } + } + } + } + } + return false; + } + + /** + * Creates a mapped reference + * + * @param name the reference name + * @param member the injection site the reference maps to + * @param paramType the service interface of the reference + */ + private JavaMappedReference createReference(String name, Member member, Class<?> paramType) + throws ProcessingException { + return implService.createReference(name, member, paramType); + } + + /** + * Creates a mapped property + * + * @param name the property name + * @param member the injection site the reference maps to + * @param paramType the property type + */ + private <T> JavaMappedProperty<T> createProperty(String name, Member member, Class<T> paramType) { + JavaMappedProperty<T> property = new JavaMappedProperty<T>(); + property.setName(name); + property.setMember(member); + property.setOverride(OverrideOptions.MAY); + property.setJavaType(paramType); + TypeInfo xmlType = typeMapper.getXMLType(paramType); + if (xmlType != null) { + property.setXmlType(xmlType.getQName()); + } + + return property; + } + + /** + * Populates a component type with a service whose interface type is determined by examining all implemented + * interfaces of the given class and chosing one whose operations match all of the class's non-property and + * non-reference methods + * + * @param clazz the class to examine + * @param type the component type + * @param methods all methods in the class to examine + */ + private void calculateServiceInterface( + Class<?> clazz, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + Set<Method> methods) throws ProcessingException { + List<Method> nonPropRefMethods = new ArrayList<Method>(); + // Map<String, JavaMappedService> services = type.getServices(); + Map<String, JavaMappedReference> references = type.getReferences(); + Map<String, JavaMappedProperty<?>> properties = type.getProperties(); + // calculate methods that are not properties or references + for (Method method : methods) { + String name = toPropertyName(method.getName()); + if (!references.containsKey(name) && !properties.containsKey(name)) { + nonPropRefMethods.add(method); + } + } + // determine if an implemented interface matches all of the non-property and non-reference methods + Class[] interfaces = clazz.getInterfaces(); + if (interfaces.length == 0) { + return; + } + for (Class interfaze : interfaces) { + if (analyzeInterface(interfaze, nonPropRefMethods)) { + JavaMappedService service; + try { + service = implService.createService(interfaze); + } catch (InvalidServiceContractException e) { + throw new ProcessingException(e); + } + type.getServices().put(service.getName(), service); + } + } + } + + /** + * Determines if the methods of a given interface match the given list of methods + * + * @param interfaze the interface to examine + * @param nonPropRefMethods the list of methods to match against + * @return true if the interface matches + */ + private boolean analyzeInterface(Class<?> interfaze, List<Method> nonPropRefMethods) { + Method[] interfaceMethods = interfaze.getMethods(); + if (nonPropRefMethods.size() != interfaceMethods.length) { + return false; + } + for (Method method : nonPropRefMethods) { + boolean found = false; + for (Method interfaceMethod : interfaceMethods) { + if (interfaceMethod.getName().equals(method.getName())) { + Class<?>[] interfaceParamTypes = interfaceMethod.getParameterTypes(); + Class<?>[] methodParamTypes = method.getParameterTypes(); + if (interfaceParamTypes.length == methodParamTypes.length) { + if (interfaceParamTypes.length == 0) { + found = true; + } else { + for (int i = 0; i < methodParamTypes.length; i++) { + Class<?> param = methodParamTypes[i]; + if (!param.equals(interfaceParamTypes[i])) { + break; + } + if (i == methodParamTypes.length - 1) { + found = true; + } + } + } + } + if (found) { + break; + } + } + } + if (!found) { + return false; + } + } + return true; + } + +} + +/* + * 1) public setter methods that are not included in any service interface 2) protected setter methods 3) public or + * protected fields unless there is a setter method for the same name If the type associated with the member is an array + * or a java.util.Collection, then the basetype will be the element type of the array or the parameterized type of the + * Collection, otherwise the basetype will be the member type. If the basetype is an interface with an @Remotable or + * @Service annotation then the member will be defined as a reference, otherwise it will be defined as a property. + * + * + */ diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalCallbackReferenceException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalCallbackReferenceException.java new file mode 100644 index 0000000000..4581faa872 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalCallbackReferenceException.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an illegcal use of {@link org.osoa.sca.annotations.Callback} on a reference + * + * @version $Rev$ $Date$ + */ +public class IllegalCallbackReferenceException extends ProcessingException { + + public IllegalCallbackReferenceException(String message) { + super(message); + } + + public IllegalCallbackReferenceException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalContextException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalContextException.java new file mode 100644 index 0000000000..8c56cade83 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalContextException.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an illegal signature for a method decorated with {@link org.osoa.sca.annotations.Context} + * + * @version $Rev$ $Date$ + */ +public class IllegalContextException extends ProcessingException { + + public IllegalContextException(String message) { + super(message); + } + + public IllegalContextException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalDestructorException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalDestructorException.java new file mode 100644 index 0000000000..fee42ea5c8 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalDestructorException.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an illegal signature for a method decorated with {@link org.osoa.sca.annotations.Destroy} + * + * @version $Rev$ $Date$ + */ +public class IllegalDestructorException extends ProcessingException { + + public IllegalDestructorException(String message) { + super(message); + } + + public IllegalDestructorException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalInitException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalInitException.java new file mode 100644 index 0000000000..219074b785 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalInitException.java @@ -0,0 +1,36 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an illegal signature for a method decorated with {@link @org.osoa.sca.annotations.Init} + * + * @version $Rev$ $Date$ + */ +public class IllegalInitException extends ProcessingException { + public IllegalInitException(String message) { + super(message); + } + + public IllegalInitException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalReferenceException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalReferenceException.java new file mode 100644 index 0000000000..11137bcaba --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalReferenceException.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an illegal reference definition in a component type + * + * @version $Rev$ $Date$ + */ +public class IllegalReferenceException extends ProcessingException { + + public IllegalReferenceException(String message) { + super(message); + } + + public IllegalReferenceException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalResourceException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalResourceException.java new file mode 100644 index 0000000000..e25c1174e2 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalResourceException.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an illegal resource definition in a component type + * + * @version $Rev$ $Date$ + */ +public class IllegalResourceException extends ProcessingException { + + public IllegalResourceException(String message) { + super(message); + } + + public IllegalResourceException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalServiceDefinitionException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalServiceDefinitionException.java new file mode 100644 index 0000000000..1d9079636a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalServiceDefinitionException.java @@ -0,0 +1,37 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an illegal use of the {@link @org.osoa.sca.annotations.Service} annotation + * + * @version $Rev$ $Date$ + */ +public class IllegalServiceDefinitionException extends ProcessingException { + + public IllegalServiceDefinitionException(String message) { + super(message); + } + + public IllegalServiceDefinitionException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ImplementationProcessorServiceImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ImplementationProcessorServiceImpl.java new file mode 100644 index 0000000000..3f5505f7f0 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ImplementationProcessorServiceImpl.java @@ -0,0 +1,410 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Member; +import java.util.List; +import javax.xml.namespace.QName; + +import org.osoa.sca.annotations.Callback; +import org.osoa.sca.annotations.Property; +import org.osoa.sca.annotations.Reference; +import org.osoa.sca.annotations.Remotable; +import org.osoa.sca.annotations.Resource; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.databinding.extension.SimpleTypeMapperExtension; +import org.apache.tuscany.spi.idl.InvalidServiceContractException; +import org.apache.tuscany.spi.idl.TypeInfo; +import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessorRegistry; +import org.apache.tuscany.spi.implementation.java.DuplicatePropertyException; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorService; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.model.OverrideOptions; +import org.apache.tuscany.spi.model.ServiceContract; + +import org.apache.tuscany.core.idl.java.IllegalCallbackException; +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.getBaseName; + +/** + * The default implementation of an <code>ImplementationProcessorService</code> + * + * @version $Rev$ $Date$ + */ +public class ImplementationProcessorServiceImpl implements ImplementationProcessorService { + private JavaInterfaceProcessorRegistry registry; + private SimpleTypeMapperExtension typeMapper = new SimpleTypeMapperExtension(); + + public ImplementationProcessorServiceImpl(@Autowire JavaInterfaceProcessorRegistry registry) { + this.registry = registry; + } + + public JavaMappedService createService(Class<?> interfaze) throws InvalidServiceContractException { + JavaMappedService service = new JavaMappedService(); + service.setName(interfaze.getName()); + service.setRemotable(interfaze.getAnnotation(Remotable.class) != null); + ServiceContract<?> contract = registry.introspect(interfaze); + service.setServiceContract(contract); + return service; + } + + public void processCallback(Class<?> interfaze, ServiceContract<?> contract) throws IllegalCallbackException { + Callback callback = interfaze.getAnnotation(Callback.class); + if (callback != null && !Void.class.equals(callback.value())) { + Class<?> callbackClass = callback.value(); + contract.setCallbackClass(callbackClass); + contract.setCallbackName(getBaseName(callbackClass)); + } else if (callback != null && Void.class.equals(callback.value())) { + throw new IllegalCallbackException("No callback interface specified on annotation", interfaze.getName()); + } + } + + public boolean areUnique(Class[] collection) { + if (collection.length == 0) { + return true; + } + return areUnique(collection, 0); + } + + public void addName(List<String> names, int pos, String name) { + if (names.size() < pos) { + for (int i = 0; i < pos; i++) { + names.add(i, ""); + } + names.add(name); + } else if (names.size() > pos) { + names.remove(pos); + names.add(pos, name); + } else { + names.add(pos, name); + } + } + + public boolean processParam( + Class<?> param, + Annotation[] paramAnnotations, + String[] constructorNames, + int pos, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + List<String> injectionNames) throws ProcessingException { + boolean processed = false; + for (Annotation annot : paramAnnotations) { + if (Autowire.class.equals(annot.annotationType())) { + processed = true; + processAutowire(annot, constructorNames, pos, param, type, injectionNames); + } else if (Property.class.equals(annot.annotationType())) { + processed = true; + processProperty(annot, constructorNames, pos, type, param, injectionNames); + } else if (Reference.class.equals(annot.annotationType())) { + processed = true; + processReference(annot, constructorNames, pos, type, param, injectionNames); + } else if (Resource.class.equals(annot.annotationType())) { + processed = true; + processResource((Resource) annot, constructorNames, pos, type, param, injectionNames); + } + } + return processed; + } + + public boolean injectionAnnotationsPresent(Annotation[][] annots) { + for (Annotation[] annotations : annots) { + for (Annotation annotation : annotations) { + Class<? extends Annotation> annotType = annotation.annotationType(); + if (annotType.equals(Autowire.class) || annotType.equals(Property.class) + || annotType.equals(Reference.class) + || annotType.equals(Resource.class)) { + return true; + } + } + } + return false; + } + + public JavaMappedReference createReference(String name, Member member, Class<?> paramType) + throws ProcessingException { + JavaMappedReference reference = new JavaMappedReference(); + reference.setName(name); + reference.setMember(member); + reference.setRequired(false); + ServiceContract contract; + try { + contract = registry.introspect(paramType); + } catch (InvalidServiceContractException e1) { + throw new ProcessingException(e1); + } + try { + processCallback(paramType, contract); + } catch (IllegalCallbackException e) { + throw new ProcessingException(e); + } + reference.setServiceContract(contract); + return reference; + } + + /** + * Determines if all the members of a collection have unique types + * + * @param collection the collection to analyze + * @param start the position in the collection to start + * @return true if the types are unique + */ + private boolean areUnique(Class[] collection, int start) { + Object compare = collection[start]; + for (int i = start + 1; i < collection.length; i++) { + if (compare.equals(collection[i])) { + return false; + } + } + if (start + 1 < collection.length) { + return areUnique(collection, start + 1); + } else { + return true; + } + } + + /** + * Processes autowire metadata for a constructor parameter + * + * @param annot the autowire annotation + * @param constructorNames the parameter names as specified in an {@link org.osoa.sca.annotations.Constructor} + * annotation + * @param pos the position of the parameter in the constructor's parameter list + * @param param the parameter type + * @param type the component type associated with the implementation being processed + * @param injectionNames the collection of injection names to update + * @throws InvalidAutowireException + * @throws InvalidConstructorException + */ + private void processAutowire( + Annotation annot, + String[] constructorNames, + int pos, + Class<?> param, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + List<String> injectionNames) throws ProcessingException { + // the param is marked as an autowire + Autowire autowireAnnot = (Autowire) annot; + JavaMappedReference reference = new JavaMappedReference(); + reference.setAutowire(true); + String name = autowireAnnot.name(); + if (name == null || name.length() == 0) { + if (constructorNames.length > 1 && (constructorNames.length < pos + 1 || constructorNames[pos] == null)) { + throw new InvalidAutowireException("Names in @Constructor and autowire parameter do not match at " + + (pos + 1)); + } else if (constructorNames.length == 1 && constructorNames[0].length() == 0) { + // special case when @Constructor present with all autowire params not specifying any name + name = param.getName() + String.valueOf(pos); + } else if (constructorNames.length == 1 + && (constructorNames.length < pos + 1 || constructorNames[pos] == null)) { + throw new InvalidAutowireException("Names in @Constructor and autowire parameter do not match at " + + (pos + 1)); + } else if (constructorNames.length == 1 && constructorNames[0].length() > 0) { + name = constructorNames[pos]; + } else if (constructorNames.length == 0 || constructorNames[pos].length() == 0) { + name = param.getName() + String.valueOf(pos); + } else { + name = constructorNames[pos]; + } + } else if (pos < constructorNames.length && constructorNames[pos] != null + && constructorNames[pos].length() != 0 && !name.equals(constructorNames[pos])) { + String paramNum = String.valueOf(pos + 1); + throw new InvalidConstructorException("Name specified by @Constructor does not match autowire name", + paramNum); + } + reference.setName(name); + reference.setRequired(autowireAnnot.required()); + ServiceContract<?> contract = null; + try { + contract = registry.introspect(param); + } catch (InvalidServiceContractException e) { + throw new ProcessingException(e); + } + +// ServiceContract<?> contract = new JavaServiceContract(); + contract.setInterfaceClass(param); + reference.setServiceContract(contract); + type.getReferences().put(name, reference); + addName(injectionNames, pos, name); + } + + /** + * Processes parameter metadata for a constructor parameter + * + * @param annot the parameter annotation + * @param constructorNames the parameter names as specified in an {@link org.osoa.sca.annotations.Constructor} + * annotation + * @param pos the position of the parameter in the constructor's parameter list + * @param type the component type associated with the implementation being processed + * @param param the parameter type + * @param explicitNames the collection of injection names to update + * @throws ProcessingException + */ + private <T> void processProperty( + Annotation annot, + String[] constructorNames, + int pos, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + Class<T> param, + List<String> explicitNames) throws ProcessingException { + // TODO multiplicity + // the param is marked as a property + Property propAnnot = (Property) annot; + JavaMappedProperty<T> property = new JavaMappedProperty<T>(); + property.setJavaType(param); + String name = propAnnot.name(); + if (name == null || name.length() == 0) { + if (constructorNames.length < pos + 1 || constructorNames[pos] == null + || constructorNames[pos].length() == 0) { + throw new InvalidPropertyException("No name specified for property parameter " + (pos + 1)); + } + name = constructorNames[pos]; + } else if (pos < constructorNames.length && constructorNames[pos] != null + && constructorNames[pos].length() != 0 && !name.equals(constructorNames[pos])) { + String paramNum = String.valueOf(pos + 1); + throw new InvalidConstructorException("Name specified by @Constructor does not match property name", + paramNum); + } + if (type.getProperties().get(name) != null) { + throw new DuplicatePropertyException(name); + } + property.setName(name); + property.setOverride(OverrideOptions.valueOf(propAnnot.override().toUpperCase())); + + String xmlType = propAnnot.xmlType(); + if (xmlType != null && xmlType.length() != 0) { + property.setXmlType(QName.valueOf(xmlType)); + } else { + TypeInfo typeInfo = typeMapper.getXMLType(property.getJavaType()); + if (typeInfo != null) { + property.setXmlType(typeInfo.getQName()); + } + } + property.setJavaType(param); + type.getProperties().put(name, property); + addName(explicitNames, pos, name); + } + + /** + * Processes reference metadata for a constructor parameter + * + * @param annot the parameter annotation + * @param constructorNames the parameter names as specified in an {@link org.osoa.sca.annotations.Constructor} + * annotation + * @param pos the position of the parameter in the constructor's parameter list + * @param type the component type associated with the implementation being processed + * @param param the parameter type + * @param explicitNames the collection of injection names to update + * @throws ProcessingException + */ + private void processReference( + Annotation annot, + String[] constructorNames, + int pos, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + Class<?> param, + List<String> explicitNames) throws ProcessingException { + + // TODO multiplicity + // the param is marked as a reference + Reference refAnnotation = (Reference) annot; + JavaMappedReference reference = new JavaMappedReference(); + String name = refAnnotation.name(); + if (name == null || name.length() == 0) { + if (constructorNames.length < pos + 1 || constructorNames[pos] == null + || constructorNames[pos].length() == 0) { + throw new InvalidReferenceException("No name specified for reference parameter " + (pos + 1)); + } + name = constructorNames[pos]; + } else if (pos < constructorNames.length && constructorNames[pos] != null + && constructorNames[pos].length() != 0 && !name.equals(constructorNames[pos])) { + String paramNum = String.valueOf(pos + 1); + throw new InvalidConstructorException("Name specified by @Constructor does not match reference name", + paramNum); + } + if (type.getReferences().get(name) != null) { + throw new DuplicateReferenceException(name); + } + reference.setName(name); + reference.setRequired(refAnnotation.required()); + try { + ServiceContract<?> contract = registry.introspect(param); + reference.setServiceContract(contract); + } catch (InvalidServiceContractException e) { + throw new ProcessingException(e); + } + type.getReferences().put(name, reference); + addName(explicitNames, pos, name); + } + + /** + * Processes resource metadata for a constructor parameter + * + * @param resourceAnnot the resource annotation + * @param constructorNames the parameter names as specified in an {@link org.osoa.sca.annotations.Constructor} + * annotation + * @param pos the position of the parameter in the constructor's parameter list + * @param type the component type associated with the implementation being processed + * @param param the parameter type + * @param explicitNames the collection of injection names to update + * @throws ProcessingException + */ + private <T> void processResource( + Resource resourceAnnot, + String[] constructorNames, + int pos, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + Class<T> param, + List<String> explicitNames) throws ProcessingException { + + org.apache.tuscany.spi.implementation.java.Resource resource = + new org.apache.tuscany.spi.implementation.java.Resource(); + String name = resourceAnnot.name(); + if (name == null || name.length() == 0) { + if (constructorNames.length < pos + 1 || constructorNames[pos] == null + || constructorNames[pos].length() == 0) { + String paramNum = String.valueOf(pos + 1); + throw new InvalidResourceException("No name specified for resource parameter", paramNum); + } + name = constructorNames[pos]; + } else if (pos < constructorNames.length && constructorNames[pos] != null + && constructorNames[pos].length() != 0 && !name.equals(constructorNames[pos])) { + String paramNum = String.valueOf(pos + 1); + throw new InvalidConstructorException("Name specified by @Constructor does not match resource name", + paramNum); + } + if (type.getResources().get(name) != null) { + throw new DuplicateResourceException(name); + } + resource.setName(name); + resource.setOptional(resourceAnnot.optional()); + resource.setType(param); + String mappedName = resourceAnnot.mappedName(); + if (mappedName.length() > 0) { + resource.setMappedName(mappedName); + } + type.add(resource); + addName(explicitNames, pos, name); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InitProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InitProcessor.java new file mode 100644 index 0000000000..be5ac78008 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InitProcessor.java @@ -0,0 +1,62 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; + +import org.osoa.sca.annotations.Init; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Processes the {@link @Init} annotation on a component implementation and updates the component type with the + * decorated initializer method + * + * @version $Rev$ $Date$ + */ +public class InitProcessor extends ImplementationProcessorExtension { + + public void visitMethod(CompositeComponent parent, Method method, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) + throws ProcessingException { + Init annotation = method.getAnnotation(Init.class); + if (annotation == null) { + return; + } + if (method.getParameterTypes().length != 0) { + throw new IllegalInitException("Initializer must not have argments", method.toString()); + } + if (type.getInitMethod() != null) { + throw new DuplicateInitException("More than one initializer found on implementaton"); + } + if (Modifier.isProtected(method.getModifiers())) { + method.setAccessible(true); + } + type.setInitMethod(method); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidAutowireException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidAutowireException.java new file mode 100644 index 0000000000..92a2a0923d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidAutowireException.java @@ -0,0 +1,34 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an invalid usage of {@link org.apache.tuscany.spi.annotation.Autowire} + * + * @version $Rev$ $Date$ + */ +public class InvalidAutowireException extends ProcessingException { + + public InvalidAutowireException(String message) { + super(message); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidConstructorException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidConstructorException.java new file mode 100644 index 0000000000..a2dd3f09c4 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidConstructorException.java @@ -0,0 +1,39 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an invalid constructor definition, e.g. when the number of injection names specified in {@link + * org.osoa.sca.annotations.Constructor} do not match the number of actual constructor parameters + * + * @version $Rev$ $Date$ + */ +public class InvalidConstructorException extends ProcessingException { + + public InvalidConstructorException(String message) { + super(message); + } + + public InvalidConstructorException(String message, String identifier) { + super(message, identifier); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidConversationalImplementation.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidConversationalImplementation.java new file mode 100644 index 0000000000..28bd65200e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidConversationalImplementation.java @@ -0,0 +1,45 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Raised when an implementation specifies improper conversational metadata + * + * @version $Rev$ $Date$ + */ +public class InvalidConversationalImplementation extends ProcessingException { + + public InvalidConversationalImplementation(String message) { + super(message); + } + + public InvalidConversationalImplementation(String message, String identifier) { + super(message, identifier); + } + + public InvalidConversationalImplementation(String message, Throwable cause) { + super(message, cause); + } + + public InvalidConversationalImplementation(String message, String identifier, Throwable cause) { + super(message, identifier, cause); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidPropertyException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidPropertyException.java new file mode 100644 index 0000000000..5d4c245764 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidPropertyException.java @@ -0,0 +1,34 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an invalid usage of {@link org.osoa.sca.annotations.Property} + * + * @version $Rev$ $Date$ + */ +public class InvalidPropertyException extends ProcessingException { + + public InvalidPropertyException(String message) { + super(message); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidReferenceException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidReferenceException.java new file mode 100644 index 0000000000..8fbc07aa1c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidReferenceException.java @@ -0,0 +1,41 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an invalid usage of {@link org.osoa.sca.annotations.Reference} + * + * @version $Rev$ $Date$ + */ +public class InvalidReferenceException extends ProcessingException { + + public InvalidReferenceException(String message) { + super(message); + } + + public InvalidReferenceException(String message, Throwable cause) { + super(message, cause); + } + + public InvalidReferenceException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidResourceException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidResourceException.java new file mode 100644 index 0000000000..6ab5a77d8e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidResourceException.java @@ -0,0 +1,33 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Denotes an invalid usage of {@link @org.osoa.sca.annotations.Resource} + * + * @version $Rev$ $Date$ + */ +public class InvalidResourceException extends ProcessingException { + + public InvalidResourceException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidServiceType.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidServiceType.java new file mode 100644 index 0000000000..f3d0367661 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidServiceType.java @@ -0,0 +1,34 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Thrown when a service type specified by an {@link org.osoa.sca.annotations.Service} annotation is invalid, e.g. it is + * not an interface + * + * @version $Rev$ $Date$ + */ +public class InvalidServiceType extends ProcessingException { + + public InvalidServiceType(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/MonitorProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/MonitorProcessor.java new file mode 100644 index 0000000000..e7acce2973 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/MonitorProcessor.java @@ -0,0 +1,57 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.AbstractPropertyProcessor; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorService; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; + +import org.apache.tuscany.api.annotation.Monitor; +import org.apache.tuscany.core.injection.SingletonObjectFactory; +import org.apache.tuscany.host.MonitorFactory; + +/** + * Processes an {@link @Monitor} annotation, updating the component type with corresponding {@link + * org.apache.tuscany.spi.implementation.java.JavaMappedProperty} + * + * @version $Rev$ $Date$ + */ +public class MonitorProcessor extends AbstractPropertyProcessor<Monitor> { + private MonitorFactory monitorFactory; + + public MonitorProcessor(@Autowire MonitorFactory monitorFactory, @Autowire ImplementationProcessorService service) { + super(Monitor.class, service); + this.monitorFactory = monitorFactory; + } + + protected String getName(Monitor annotation) { + return null; + } + + protected <T> void initProperty(JavaMappedProperty<T> property, + Monitor annotation, + CompositeComponent parent, + DeploymentContext context) { + Class<T> javaType = property.getJavaType(); + property.setDefaultValueFactory(new SingletonObjectFactory<T>(monitorFactory.getMonitor(javaType))); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/NoConstructorException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/NoConstructorException.java new file mode 100644 index 0000000000..f36b7900a4 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/NoConstructorException.java @@ -0,0 +1,36 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Thrown when a suitable constructor for a component implementation cannot be found + * + * @version $Rev$ $Date$ + */ +public class NoConstructorException extends ProcessingException { + + public NoConstructorException() { + } + + public NoConstructorException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/PropertyProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/PropertyProcessor.java new file mode 100644 index 0000000000..09b3c7383d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/PropertyProcessor.java @@ -0,0 +1,78 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.reflect.Constructor; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.databinding.extension.SimpleTypeMapperExtension; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.idl.TypeInfo; +import org.apache.tuscany.spi.implementation.java.AbstractPropertyProcessor; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorService; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.model.OverrideOptions; +import org.osoa.sca.annotations.Property; + +/** + * Processes an {@link @Property} annotation, updating the component type with corresponding {@link JavaMappedProperty} + * + * @version $Rev$ $Date$ + */ +public class PropertyProcessor extends AbstractPropertyProcessor<Property> { + private SimpleTypeMapperExtension typeMapper = new SimpleTypeMapperExtension(); + + public PropertyProcessor(@Autowire ImplementationProcessorService service) { + super(Property.class, service); + } + + protected String getName(Property annotation) { + return annotation.name(); + } + + protected <T> void initProperty(JavaMappedProperty<T> property, + Property annotation, + CompositeComponent parent, + DeploymentContext context) { + property.setOverride(OverrideOptions.valueOf(annotation.override().toUpperCase())); + String xmlType = annotation.xmlType(); + if (xmlType != null && xmlType.length() != 0) { + property.setXmlType(QName.valueOf(annotation.xmlType())); + } else { + TypeInfo type = typeMapper.getXMLType(property.getJavaType()); + if (type != null) { + property.setXmlType(type.getQName()); + } + } + } + + public <T> void visitConstructor(CompositeComponent parent, Constructor<T> constructor, + PojoComponentType<JavaMappedService, JavaMappedReference, + JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + // override since heuristic pojo processor evalautes properties + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ReferenceProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ReferenceProcessor.java new file mode 100644 index 0000000000..1ee77f0a87 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ReferenceProcessor.java @@ -0,0 +1,150 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.reflect.Constructor; +import java.lang.reflect.Field; +import java.lang.reflect.Method; + +import org.osoa.sca.annotations.Reference; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.idl.InvalidServiceContractException; +import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessorRegistry; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.model.ServiceContract; + +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.toPropertyName; + +/** + * Processes an {@link @Reference} annotation, updating the component type with corresponding {@link + * org.apache.tuscany.spi.implementation.java.JavaMappedReference} + * + * @version $Rev$ $Date$ + */ +public class ReferenceProcessor extends ImplementationProcessorExtension { + + private JavaInterfaceProcessorRegistry regsitry; + + public ReferenceProcessor(@Autowire JavaInterfaceProcessorRegistry registry) { + this.regsitry = registry; + } + + public void visitMethod(CompositeComponent parent, Method method, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) + throws ProcessingException { + Reference annotation = method.getAnnotation(Reference.class); + Autowire autowire = method.getAnnotation(Autowire.class); + boolean isAutowire = autowire != null; + if (annotation == null && !isAutowire) { + return; //Not a reference or autowire annotation. + } + if (method.getParameterTypes().length != 1) { + throw new IllegalReferenceException("Setter must have one parameter", method.toString()); + } + //process autowire required first let reference override. or if conflicting should this fault? + boolean required = false; + if (isAutowire) { + required = autowire.required(); + } + + String name = null; + + if (annotation != null) { + if (annotation.name() != null && annotation.name().length() > 0) { + name = annotation.name(); + } + required = annotation.required(); + } + if (name == null) { + name = toPropertyName(method.getName()); + } + if (type.getReferences().get(name) != null) { + throw new DuplicateReferenceException(name); + } + + JavaMappedReference reference = new JavaMappedReference(); + reference.setMember(method); + reference.setAutowire(isAutowire); + reference.setRequired(required); + reference.setName(name); + ServiceContract contract; + try { + contract = regsitry.introspect(method.getParameterTypes()[0]); + } catch (InvalidServiceContractException e) { + throw new ProcessingException(e); + } + reference.setServiceContract(contract); + type.getReferences().put(name, reference); + } + + public void visitField(CompositeComponent parent, Field field, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + Reference annotation = field.getAnnotation(Reference.class); + boolean autowire = field.getAnnotation(Autowire.class) != null; + if (annotation == null && !autowire) { + return; + } + String name = field.getName(); + boolean required = false; + if (annotation != null) { + if (annotation.name() != null) { + name = annotation.name(); + } + required = annotation.required(); + } + if (name.length() == 0) { + name = field.getName(); + } + if (type.getReferences().get(name) != null) { + throw new DuplicateReferenceException(name); + } + JavaMappedReference reference = new JavaMappedReference(); + reference.setMember(field); + reference.setRequired(required); + reference.setAutowire(autowire); + reference.setName(name); + ServiceContract contract; + try { + contract = regsitry.introspect(field.getType()); + } catch (InvalidServiceContractException e) { + throw new ProcessingException(e); + } + reference.setServiceContract(contract); + type.getReferences().put(name, reference); + } + + public <T> void visitConstructor(CompositeComponent parent, Constructor<T> constructor, + PojoComponentType<JavaMappedService, JavaMappedReference, + JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ResourceProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ResourceProcessor.java new file mode 100644 index 0000000000..c60e141f58 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ResourceProcessor.java @@ -0,0 +1,115 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.reflect.Constructor; +import java.lang.reflect.Field; +import java.lang.reflect.Method; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.implementation.java.Resource; + +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.toPropertyName; + +/** + * Processes an {@link @Resource} annotation, updating the component type with corresponding {@link + * org.apache.tuscany.spi.implementation.java.Resource} + * + * @version $Rev$ $Date$ + */ +public class ResourceProcessor extends ImplementationProcessorExtension { + + public ResourceProcessor() { + } + + public void visitMethod(CompositeComponent parent, Method method, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) + throws ProcessingException { + org.osoa.sca.annotations.Resource annotation = method.getAnnotation(org.osoa.sca.annotations.Resource.class); + if (annotation == null) { + return; + } + if (method.getParameterTypes().length != 1) { + throw new IllegalResourceException("Resource setter must have one parameter", method.toString()); + } + String name = annotation.name(); + if (name.length() < 1) { + name = toPropertyName(method.getName()); + } + if (type.getResources().get(name) != null) { + throw new DuplicateResourceException(name); + } + + String mappedName = annotation.mappedName(); + Resource resource = new Resource(); + resource.setMember(method); + resource.setType(method.getParameterTypes()[0]); + resource.setOptional(annotation.optional()); + resource.setName(name); + if (mappedName.length() > 0) { + resource.setMappedName(mappedName); + } + type.add(resource); + } + + public void visitField(CompositeComponent parent, Field field, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + + org.osoa.sca.annotations.Resource annotation = field.getAnnotation(org.osoa.sca.annotations.Resource.class); + if (annotation == null) { + return; + } + String name = annotation.name(); + if (name.length() < 1) { + name = field.getName(); + } + if (type.getResources().get(name) != null) { + throw new DuplicateResourceException(name); + } + + String mappedName = annotation.mappedName(); + Resource resource = new Resource(); + resource.setMember(field); + resource.setType(field.getType()); + resource.setOptional(annotation.optional()); + resource.setName(name); + if (mappedName.length() > 0) { + resource.setMappedName(mappedName); + } + type.add(resource); + } + + public <T> void visitConstructor(CompositeComponent parent, Constructor<T> constructor, + PojoComponentType<JavaMappedService, JavaMappedReference, + JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ScopeProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ScopeProcessor.java new file mode 100644 index 0000000000..634aff0377 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ScopeProcessor.java @@ -0,0 +1,64 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.model.Scope; + +/** + * Processes the {@link Scope} annotation and updates the component type with the corresponding implmentation scope + * + * @version $Rev$ $Date$ + */ +public class ScopeProcessor extends ImplementationProcessorExtension { + + public <T> void visitClass(CompositeComponent parent, Class<T> clazz, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) + throws ProcessingException { + org.osoa.sca.annotations.Scope annotation = clazz.getAnnotation(org.osoa.sca.annotations.Scope.class); + if (annotation == null) { + type.setImplementationScope(Scope.STATELESS); + return; + } + String name = annotation.value(); + Scope scope; + if ("COMPOSITE".equals(name)) { + scope = Scope.COMPOSITE; + } else if ("SESSION".equals(name)) { + scope = Scope.SESSION; + } else if ("CONVERSATION".equals(name)) { + scope = Scope.CONVERSATION; + } else if ("REQUEST".equals(name)) { + scope = Scope.REQUEST; + } else if ("SYSTEM".equals(name)) { + scope = Scope.SYSTEM; + } else { + scope = new Scope(name); + } + type.setImplementationScope(scope); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceProcessor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceProcessor.java new file mode 100644 index 0000000000..6f96c92006 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceProcessor.java @@ -0,0 +1,156 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.util.Set; + +import org.osoa.sca.annotations.Callback; +import org.osoa.sca.annotations.Remotable; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.idl.InvalidServiceContractException; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorExtension; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.implementation.java.ImplementationProcessorService; +import org.apache.tuscany.spi.model.ServiceContract; + +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.getAllInterfaces; +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.toPropertyName; + +/** + * Processes an {@link org.osoa.sca.annotations.Service} annotation and updates the component type with corresponding + * {@link JavaMappedService}s. Also processes related {@link org.osoa.sca.annotations.Callback} annotations. + * + * @version $Rev$ $Date$ + */ +public class ServiceProcessor extends ImplementationProcessorExtension { + + private ImplementationProcessorService implService; + + public ServiceProcessor(@Autowire ImplementationProcessorService implService) { + this.implService = implService; + } + + public <T> void visitClass(CompositeComponent parent, Class<T> clazz, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + org.osoa.sca.annotations.Service annotation = clazz.getAnnotation(org.osoa.sca.annotations.Service.class); + if (annotation == null) { + // scan intefaces for remotable + Set<Class> interfaces = getAllInterfaces(clazz); + for (Class<?> interfaze : interfaces) { + if (interfaze.getAnnotation(Remotable.class) != null) { + JavaMappedService service; + try { + service = implService.createService(interfaze); + } catch (InvalidServiceContractException e) { + throw new ProcessingException(e); + } + type.getServices().put(service.getName(), service); + } + } + return; + } + Class<?>[] interfaces = annotation.interfaces(); + if (interfaces.length == 0) { + Class<?> interfaze = annotation.value(); + if (Void.class.equals(interfaze)) { + throw new IllegalServiceDefinitionException("No interfaces specified"); + } else { + interfaces = new Class<?>[1]; + interfaces[0] = interfaze; + } + } + for (Class<?> interfaze : interfaces) { + if (!interfaze.isInterface()) { + throw new InvalidServiceType("Service must be an interface", interfaze.getName()); + } + JavaMappedService service; + try { + service = implService.createService(interfaze); + } catch (InvalidServiceContractException e) { + throw new ProcessingException(e); + } + type.getServices().put(service.getName(), service); + } + } + + + public void visitMethod(CompositeComponent parent, + Method method, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + + Callback annotation = method.getAnnotation(Callback.class); + if (annotation == null) { + return; + } + if (method.getParameterTypes().length != 1) { + throw new IllegalCallbackReferenceException("Setter must have one parameter", method.toString()); + } + String name = toPropertyName(method.getName()); + JavaMappedService callbackService = null; + Class<?> callbackClass = method.getParameterTypes()[0]; + for (JavaMappedService service : type.getServices().values()) { + ServiceContract serviceContract = service.getServiceContract(); + if (serviceContract.getCallbackClass().equals(callbackClass)) { + callbackService = service; + } + } + if (callbackService == null) { + throw new IllegalCallbackReferenceException("Callback type does not match a service callback interface"); + } + callbackService.setCallbackReferenceName(name); + callbackService.setCallbackMember(method); + } + + public void visitField(CompositeComponent parent, Field field, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + + Callback annotation = field.getAnnotation(Callback.class); + if (annotation == null) { + return; + } + String name = field.getName(); + JavaMappedService callbacksService = null; + Class<?> callbackClass = field.getType(); + for (JavaMappedService service : type.getServices().values()) { + ServiceContract serviceContract = service.getServiceContract(); + if (serviceContract.getCallbackClass().equals(callbackClass)) { + callbacksService = service; + } + } + if (callbacksService == null) { + throw new IllegalCallbackReferenceException("Callback type does not match a service callback interface"); + } + callbacksService.setCallbackReferenceName(name); + callbacksService.setCallbackMember(field); + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceTypeNotFoundException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceTypeNotFoundException.java new file mode 100644 index 0000000000..8a0d4afc3d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceTypeNotFoundException.java @@ -0,0 +1,34 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +import org.apache.tuscany.spi.implementation.java.ProcessingException; + +/** + * Thrown when a service interface cannot be determined based on a heuristic evaluation of an implementation + * + * @version $Rev$ $Date$ + */ +public class ServiceTypeNotFoundException extends ProcessingException { + + public ServiceTypeNotFoundException(String message) { + super(message); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/UnknownContextTypeException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/UnknownContextTypeException.java new file mode 100644 index 0000000000..a7868349a6 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/UnknownContextTypeException.java @@ -0,0 +1,32 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.processor; + +/** + * Thrown when a method or field marked with {@link org.osoa.sca.annotations.Context} takes an unknown type + * + * @version $Rev$ $Date$ + */ +public class UnknownContextTypeException extends IllegalContextException { + + public UnknownContextTypeException(String message) { + super(message); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemComponentBuilder.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemComponentBuilder.java new file mode 100644 index 0000000000..33cbbe1232 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemComponentBuilder.java @@ -0,0 +1,184 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.system.builder; + +import java.lang.reflect.Constructor; +import java.lang.reflect.Member; +import java.lang.reflect.Method; +import java.util.Collection; +import java.util.Map; + +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.builder.BuilderConfigException; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentBuilderExtension; +import org.apache.tuscany.spi.host.ResourceHost; +import org.apache.tuscany.spi.implementation.java.ConstructorDefinition; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.Resource; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.PropertyValue; +import org.apache.tuscany.spi.model.ServiceDefinition; + +import org.apache.tuscany.core.implementation.PojoConfiguration; +import org.apache.tuscany.core.implementation.system.component.SystemAtomicComponentImpl; +import org.apache.tuscany.core.implementation.system.model.SystemImplementation; +import org.apache.tuscany.core.injection.MethodEventInvoker; +import org.apache.tuscany.core.injection.PojoObjectFactory; +import org.apache.tuscany.core.injection.ResourceObjectFactory; + +/** + * Produces system atomic components from a component definition + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemComponentBuilder extends ComponentBuilderExtension<SystemImplementation> { + private ResourceHost host; + + protected Class<SystemImplementation> getImplementationType() { + return SystemImplementation.class; + } + + @Autowire + public void setHost(ResourceHost host) { + this.host = host; + } + + @SuppressWarnings("unchecked") + public AtomicComponent build(CompositeComponent parent, + ComponentDefinition<SystemImplementation> definition, + DeploymentContext deploymentContext) throws BuilderConfigException { + PojoComponentType<ServiceDefinition, JavaMappedReference, JavaMappedProperty<?>> componentType = + definition.getImplementation().getComponentType(); + + PojoConfiguration configuration = new PojoConfiguration(); + configuration.setParent(parent); + if (definition.getInitLevel() != null) { + configuration.setInitLevel(definition.getInitLevel()); + } else { + configuration.setInitLevel(componentType.getInitLevel()); + } + Method initMethod = componentType.getInitMethod(); + if (initMethod != null) { + configuration.setInitInvoker(new MethodEventInvoker<Object>(initMethod)); + } + Method destroyMethod = componentType.getDestroyMethod(); + if (destroyMethod != null) { + configuration.setDestroyInvoker(new MethodEventInvoker<Object>(destroyMethod)); + } + // setup property injection sites + for (JavaMappedProperty<?> property : componentType.getProperties().values()) { + configuration.addPropertySite(property.getName(), property.getMember()); + } + // setup reference injection sites + for (JavaMappedReference reference : componentType.getReferences().values()) { + Member member = reference.getMember(); + if (member != null) { + // could be null if the reference is mapped to a constructor + configuration.addReferenceSite(reference.getName(), member); + } + } + + for (Resource resource : componentType.getResources().values()) { + Member member = resource.getMember(); + if (member != null) { + // could be null if the resource is mapped to a constructor + configuration.addResourceSite(resource.getName(), member); + } + } + + // setup constructor injection + ConstructorDefinition<?> ctorDef = componentType.getConstructorDefinition(); + Constructor<?> constr = ctorDef.getConstructor(); + PojoObjectFactory<?> instanceFactory = new PojoObjectFactory(constr); + configuration.setInstanceFactory(instanceFactory); + configuration.getConstructorParamNames().addAll(ctorDef.getInjectionNames()); + for (Class<?> clazz : constr.getParameterTypes()) { + configuration.addConstructorParamType(clazz); + } + configuration.setName(definition.getName()); + SystemAtomicComponentImpl component = new SystemAtomicComponentImpl(configuration); + // handle properties + Map<String, PropertyValue<?>> propertyValues = definition.getPropertyValues(); + processProperties(propertyValues, componentType.getProperties().values(), component); + + // handle resources + for (Resource resource : componentType.getResources().values()) { + String name = resource.getName(); + boolean optional = resource.isOptional(); + Class<Object> type = (Class<Object>) resource.getType(); + ResourceObjectFactory<Object> factory; + String mappedName = resource.getMappedName(); + if (mappedName == null) { + // by type + factory = new ResourceObjectFactory<Object>(type, optional, parent, host); + } else { + factory = new ResourceObjectFactory<Object>(type, mappedName, optional, parent, host); + } + component.addResourceFactory(name, factory); + + } + return component; + } + +// private void processReferences(ComponentDefinition<SystemImplementation> definition, +// Map<String, JavaMappedReference> references, +// CompositeComponent parent, +// SystemAtomicComponentImpl component) { +// // no proxies needed for system components +// for (ReferenceTarget target : definition.getReferenceTargets().values()) { +// String referenceName = target.getReferenceName(); +// JavaMappedReference referenceDefiniton = references.get(referenceName); +// Class interfaze = referenceDefiniton.getServiceContract().getInterfaceClass(); +// OutboundWire wire; +// if (referenceDefiniton.isAutowire()) { +// boolean required = referenceDefiniton.isRequired(); +// wire = new SystemOutboundAutowire(referenceName, interfaze, parent, required); +// } else { +// //FIXME support multiplicity! +// assert target.getTargets().size() == 1 : "Multiplicity not yet implemented"; +// QualifiedName targetName = new QualifiedName(target.getTargets().get(0).getPath()); +// wire = new SystemOutboundWireImpl(referenceName, targetName, interfaze); +// } +// component.addOutboundWire(wire); +// } +// } + + private void processProperties(Map<String, PropertyValue<?>> propertyValues, + Collection<JavaMappedProperty<?>> properties, + SystemAtomicComponentImpl component) { + for (JavaMappedProperty<?> property : properties) { + PropertyValue value = propertyValues.get(property.getName()); + ObjectFactory<?> factory; + if (value != null) { + factory = value.getValueFactory(); + } else { + factory = property.getDefaultValueFactory(); + } + if (factory != null) { + component.addPropertyFactory(property.getName(), factory); + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemAtomicComponentImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemAtomicComponentImpl.java new file mode 100644 index 0000000000..c43b0d1ee9 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemAtomicComponentImpl.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.system.component; + +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; + +import org.apache.tuscany.core.implementation.PojoAtomicComponent; +import org.apache.tuscany.core.implementation.PojoConfiguration; +import org.apache.tuscany.core.wire.OptimizedWireObjectFactory; + +/** + * Default implementation of a system atomic context + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemAtomicComponentImpl extends PojoAtomicComponent { + + public SystemAtomicComponentImpl(PojoConfiguration configuration) { + super(configuration); + scope = Scope.COMPOSITE; + } + + public TargetInvoker createTargetInvoker(String targetName, Operation operation, InboundWire callbackWire) { + return null; + } + + public boolean isSystem() { + return true; + } + + protected ObjectFactory<?> createWireFactory(Class<?> interfaze, OutboundWire wire) { + return new OptimizedWireObjectFactory(wire); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemComponentTypeLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemComponentTypeLoader.java new file mode 100644 index 0000000000..2c7141044b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemComponentTypeLoader.java @@ -0,0 +1,101 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.system.loader; + +import java.net.URL; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentTypeLoaderExtension; +import org.apache.tuscany.spi.implementation.java.IntrospectionRegistry; +import org.apache.tuscany.spi.implementation.java.Introspector; +import org.apache.tuscany.spi.implementation.java.JavaMappedProperty; +import org.apache.tuscany.spi.implementation.java.JavaMappedReference; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.implementation.java.ProcessingException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.Scope; + +import org.apache.tuscany.core.implementation.system.model.SystemImplementation; +import org.apache.tuscany.core.util.JavaIntrospectionHelper; + +/** + * Loads a system component type + * + * @version $Rev$ $Date$ + */ +public class SystemComponentTypeLoader extends ComponentTypeLoaderExtension<SystemImplementation> { + private Introspector introspector; + + public SystemComponentTypeLoader() { + } + + public SystemComponentTypeLoader(Introspector introspector) { + this.introspector = introspector; + } + + public SystemComponentTypeLoader(LoaderRegistry loaderRegistry, Introspector introspector) { + super(loaderRegistry); + this.introspector = introspector; + } + + //FIXME autowire to support multiple interfaces + @Autowire + public void setIntrospector(IntrospectionRegistry introspector) { + this.introspector = introspector; + } + + public void load(CompositeComponent parent, + SystemImplementation implementation, + DeploymentContext deploymentContext) throws LoaderException { + Class<?> implClass = implementation.getImplementationClass(); + URL sidefile = implClass.getResource(JavaIntrospectionHelper.getBaseName(implClass) + ".componentType"); + PojoComponentType componentType; + if (sidefile == null) { + componentType = loadByIntrospection(parent, implementation, deploymentContext); + } else { + componentType = loadFromSidefile(sidefile, deploymentContext); + } + // this means system components are always composite scoped + componentType.setImplementationScope(Scope.COMPOSITE); + implementation.setComponentType(componentType); + } + + protected Class<SystemImplementation> getImplementationClass() { + return SystemImplementation.class; + } + + protected PojoComponentType loadByIntrospection(CompositeComponent parent, + SystemImplementation implementation, + DeploymentContext deploymentContext) throws ProcessingException { + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> componentType = + new PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>>(); + Class<?> implClass = implementation.getImplementationClass(); + introspector.introspect(parent, implClass, componentType, deploymentContext); + return componentType; + } + + + protected PojoComponentType loadFromSidefile(URL url, DeploymentContext deploymentContext) throws LoaderException { + return loaderRegistry.load(null, null, url, PojoComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemCompositeComponentTypeLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemCompositeComponentTypeLoader.java new file mode 100644 index 0000000000..0e05041ea5 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemCompositeComponentTypeLoader.java @@ -0,0 +1,70 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.system.loader; + +import java.net.URL; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentTypeLoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.CompositeComponentType; + +import org.apache.tuscany.core.deployer.ChildDeploymentContext; +import org.apache.tuscany.core.implementation.system.model.SystemCompositeImplementation; + +/** + * Loads a system composite component type + * + * @version $Rev$ $Date$ + */ +public class SystemCompositeComponentTypeLoader extends ComponentTypeLoaderExtension<SystemCompositeImplementation> { + public SystemCompositeComponentTypeLoader() { + } + + public SystemCompositeComponentTypeLoader(LoaderRegistry loaderRegistry) { + super(loaderRegistry); + } + + protected Class<SystemCompositeImplementation> getImplementationClass() { + return SystemCompositeImplementation.class; + } + + public void load(CompositeComponent parent, SystemCompositeImplementation implementation, + DeploymentContext deploymentContext) + throws LoaderException { + URL scdlLocation = implementation.getScdlLocation(); + if (scdlLocation == null) { + throw new LoaderException("SCDL location not found"); + } + ClassLoader cl = implementation.getClassLoader(); + deploymentContext = new ChildDeploymentContext(deploymentContext, cl, scdlLocation); + CompositeComponentType componentType = loadFromSidefile(parent, scdlLocation, deploymentContext); + implementation.setComponentType(componentType); + } + + + protected CompositeComponentType loadFromSidefile(CompositeComponent parent, + URL url, + DeploymentContext deploymentContext) + throws LoaderException { + return loaderRegistry.load(parent, null, url, CompositeComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemImplementationLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemImplementationLoader.java new file mode 100644 index 0000000000..d5d4269880 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemImplementationLoader.java @@ -0,0 +1,75 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.system.loader; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.LoaderUtil; +import org.apache.tuscany.spi.loader.UnrecognizedElementException; +import org.apache.tuscany.spi.model.ModelObject; + +import org.apache.tuscany.core.implementation.system.model.SystemImplementation; + +/** + * Loads information for a system implementation + * + * @version $Rev$ $Date$ + */ +public class SystemImplementationLoader extends LoaderExtension<SystemImplementation> { + public static final QName SYSTEM_IMPLEMENTATION = + new QName("http://tuscany.apache.org/xmlns/system/1.0-SNAPSHOT", "implementation.system"); + + public SystemImplementationLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public SystemImplementation load(CompositeComponent parent, + ModelObject object, XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + assert SYSTEM_IMPLEMENTATION.equals(reader.getName()); + SystemImplementation implementation = new SystemImplementation(); + String implClass = reader.getAttributeValue(null, "class"); + Class<?> implementationClass = LoaderUtil.loadClass(implClass, deploymentContext.getClassLoader()); + implementation.setImplementationClass(implementationClass); + registry.loadComponentType(parent, implementation, deploymentContext); + while (true) { + int code = reader.next(); + if (code == XMLStreamConstants.START_ELEMENT) { + throw new UnrecognizedElementException(reader.getName()); + } else if (code == XMLStreamConstants.END_ELEMENT) { + return implementation; + } + } + } + + public QName getXMLType() { + return SYSTEM_IMPLEMENTATION; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemCompositeImplementation.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemCompositeImplementation.java new file mode 100644 index 0000000000..e634609c5b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemCompositeImplementation.java @@ -0,0 +1,57 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.system.model; + +import java.net.URL; + +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.Implementation; + +/** + * Represents a system composite type + * + * @version $Rev$ $Date$ + */ +public class SystemCompositeImplementation extends Implementation<CompositeComponentType> { + private URL scdlLocation; + private ClassLoader classLoader; + + public SystemCompositeImplementation() { + } + + public SystemCompositeImplementation(CompositeComponentType componentType) { + super(componentType); + } + + public URL getScdlLocation() { + return scdlLocation; + } + + public void setScdlLocation(URL scdlLocation) { + this.scdlLocation = scdlLocation; + } + + public ClassLoader getClassLoader() { + return classLoader; + } + + public void setClassLoader(ClassLoader classLoader) { + this.classLoader = classLoader; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemImplementation.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemImplementation.java new file mode 100644 index 0000000000..ce48ed3fe5 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemImplementation.java @@ -0,0 +1,51 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.implementation.system.model; + +import org.apache.tuscany.spi.implementation.java.PojoComponentType; +import org.apache.tuscany.spi.model.AtomicImplementation; + +/** + * Represents the system composite implementation + * + * @version $Rev$ $Date$ + */ +public class SystemImplementation extends AtomicImplementation<PojoComponentType> { + private Class<?> implementationClass; + + public SystemImplementation(PojoComponentType componentType, Class<?> implementationClass) { + super(componentType); + this.implementationClass = implementationClass; + } + + public SystemImplementation() { + } + + public SystemImplementation(Class<?> implementationClass) { + this.implementationClass = implementationClass; + } + + public Class<?> getImplementationClass() { + return implementationClass; + } + + public void setImplementationClass(Class<?> implementationClass) { + this.implementationClass = implementationClass; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ArrayMultiplicityObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ArrayMultiplicityObjectFactory.java new file mode 100644 index 0000000000..1a441dcf87 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ArrayMultiplicityObjectFactory.java @@ -0,0 +1,54 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import java.lang.reflect.Array; +import java.util.List; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; + +/** + * Resolves targets configured in a multiplicity by delegating to object factories and returning an <code>Array</code> + * containing object instances + * + * @version $Rev$ $Date$ + */ +public class ArrayMultiplicityObjectFactory implements ObjectFactory<Object> { + + private ObjectFactory[] factories; + + private Class interfaceType; + + public ArrayMultiplicityObjectFactory(Class interfaceType, List<ObjectFactory<?>> factories) { + assert interfaceType != null : "Interface type was null"; + assert factories != null : "Object factories were null"; + this.interfaceType = interfaceType; + this.factories = factories.toArray(new ObjectFactory[factories.size()]); + } + + public Object getInstance() throws ObjectCreationException { + Object array = Array.newInstance(interfaceType, factories.length); + for (int i = 0; i < factories.length; i++) { + Array.set(array, i, factories[i].getInstance()); + } + return array; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/CallbackWireObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/CallbackWireObjectFactory.java new file mode 100644 index 0000000000..fc389a23cf --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/CallbackWireObjectFactory.java @@ -0,0 +1,47 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.WireService; + +/** + * Returns proxy instance for a wire callback + * + * @version $Rev$ $Date$ + */ +public class CallbackWireObjectFactory implements ObjectFactory { + + private WireService wireService; + private Class<?> interfaze; + private InboundWire wire; + + public CallbackWireObjectFactory(Class<?> interfaze, WireService wireService, InboundWire wire) { + this.interfaze = interfaze; + this.wireService = wireService; + this.wire = wire; + } + + public Object getInstance() throws ObjectCreationException { + return wireService.createCallbackProxy(interfaze, wire); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/CompositeContextObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/CompositeContextObjectFactory.java new file mode 100644 index 0000000000..f904484e78 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/CompositeContextObjectFactory.java @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import org.osoa.sca.CompositeContext; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.wire.WireService; + +import org.apache.tuscany.core.implementation.composite.ManagedCompositeContext; + +/** + * Creates instances of {@link org.apache.tuscany.core.implementation.composite.ManagedCompositeContext} for injection + * on component implementation instances + * + * @version $Rev$ $Date$ + */ +public class CompositeContextObjectFactory implements ObjectFactory<CompositeContext> { + private CompositeComponent composite; + private WireService wireService; + + public CompositeContextObjectFactory(CompositeComponent composite, WireService wireService) { + assert composite != null; + assert wireService != null; + this.composite = composite; + this.wireService = wireService; + } + + public CompositeContext getInstance() throws ObjectCreationException { + return new ManagedCompositeContext(composite, wireService); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ContextInjector.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ContextInjector.java new file mode 100644 index 0000000000..a422500f3c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ContextInjector.java @@ -0,0 +1,32 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import org.apache.tuscany.spi.ObjectCreationException; + +/** + * Implementations inject a pre-configured context type (interface) on an instance. + * + * @version $Rev$ $Date$ + */ +public interface ContextInjector<S, T> extends Injector<T> { + + void setContext(S context) throws ObjectCreationException; + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ConversationIDObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ConversationIDObjectFactory.java new file mode 100644 index 0000000000..8dbc0a3a83 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ConversationIDObjectFactory.java @@ -0,0 +1,36 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.injection;
+
+import org.apache.tuscany.spi.ObjectFactory;
+import org.apache.tuscany.spi.component.WorkContext;
+import org.apache.tuscany.spi.model.Scope;
+
+public class ConversationIDObjectFactory implements ObjectFactory<String> {
+
+ private WorkContext workContext;
+
+ public ConversationIDObjectFactory(WorkContext workContext) {
+ this.workContext = workContext;
+ }
+
+ public String getInstance() {
+ return (String)workContext.getIdentifier(Scope.CONVERSATION);
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/EventInvoker.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/EventInvoker.java new file mode 100644 index 0000000000..af2382b36a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/EventInvoker.java @@ -0,0 +1,34 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +/** + * Performs an invocation on an instance + * + * @version $Rev$ $Date$ + */ +public interface EventInvoker<T> { + + /** + * Performs the invocation on a given instance + * + * @throws ObjectCallbackException + */ + void invokeEvent(T instance) throws ObjectCallbackException; +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/FieldInjector.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/FieldInjector.java new file mode 100644 index 0000000000..e9f8f42aa1 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/FieldInjector.java @@ -0,0 +1,57 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import java.lang.reflect.Field; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; + +/** + * Injects a value created by an {@link org.apache.tuscany.spi.ObjectFactory} on a given field + * + * @version $Rev$ $Date$ + */ +public class FieldInjector<T> implements Injector<T> { + + private final Field field; + + private final ObjectFactory<?> objectFactory; + + /** + * Create an injector and have it use the given <code>ObjectFactory</code> to inject a value on the instance using + * the reflected <code>Field</code> + */ + public FieldInjector(Field field, ObjectFactory<?> objectFactory) { + this.field = field; + this.field.setAccessible(true); + this.objectFactory = objectFactory; + } + + /** + * Inject a new value on the given isntance + */ + public void inject(T instance) throws ObjectCreationException { + try { + field.set(instance, objectFactory.getInstance()); + } catch (IllegalAccessException e) { + throw new AssertionError("Field is not accessible [" + field + "]"); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/InjectionRuntimeException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/InjectionRuntimeException.java new file mode 100644 index 0000000000..c5f037d931 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/InjectionRuntimeException.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import org.apache.tuscany.api.TuscanyRuntimeException; + +/** + * Root unchecked exception for the injection package + * + * @version $Rev$ $Date$ + */ +public abstract class InjectionRuntimeException extends TuscanyRuntimeException { + + public InjectionRuntimeException() { + super(); + } + + public InjectionRuntimeException(String message) { + super(message); + } + + + protected InjectionRuntimeException(String message, String identifier) { + super(message, identifier); + } + + public InjectionRuntimeException(String message, Throwable cause) { + super(message, cause); + } + + protected InjectionRuntimeException(String message, String identifier, Throwable cause) { + super(message, identifier, cause); + } + + public InjectionRuntimeException(Throwable cause) { + super(cause); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/Injector.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/Injector.java new file mode 100644 index 0000000000..c2125d8212 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/Injector.java @@ -0,0 +1,35 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import org.apache.tuscany.spi.ObjectCreationException; + +/** + * Implementations inject a pre-configured value on an instance + * + * @version $Rev$ $Date$ + */ +public interface Injector<T> { + + /** + * Inject a value on the given instance + */ + void inject(T instance) throws ObjectCreationException; + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/InvalidAccessorException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/InvalidAccessorException.java new file mode 100644 index 0000000000..2e7ff0e754 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/InvalidAccessorException.java @@ -0,0 +1,34 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +/** + * @version $$Rev$$ $$Date$$ + */ +public class InvalidAccessorException extends InjectionRuntimeException { + + public InvalidAccessorException(String message) { + super(message); + } + + public InvalidAccessorException(String message, String identifier) { + super(message, identifier); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/InvalidResourceTypeException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/InvalidResourceTypeException.java new file mode 100644 index 0000000000..1a3eaf4d1a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/InvalidResourceTypeException.java @@ -0,0 +1,33 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import org.apache.tuscany.spi.ObjectCreationException; + +/** + * Denotes an invalid resource type, i.e. that is not a component + * + * @version $Rev$ $Date$ + */ +public class InvalidResourceTypeException extends ObjectCreationException { + + public InvalidResourceTypeException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/JNDIObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/JNDIObjectFactory.java new file mode 100644 index 0000000000..0189d8245b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/JNDIObjectFactory.java @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import javax.naming.Context; +import javax.naming.NamingException; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; + +/** + * An implementation of ObjectFactory that creates instances by looking them up in a JNDI context. + * + * @version $Rev$ $Date$ + */ +public class JNDIObjectFactory<T> implements ObjectFactory<T> { + private final Context context; + private final String name; + + public JNDIObjectFactory(Context context, String name) { + this.context = context; + this.name = name; + } + + + @SuppressWarnings("unchecked") + public T getInstance() throws ObjectCreationException { + try { + return (T) context.lookup(name); + } catch (NamingException e) { + throw new ObjectCreationException(e); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ListMultiplicityObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ListMultiplicityObjectFactory.java new file mode 100644 index 0000000000..b261bcda53 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ListMultiplicityObjectFactory.java @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; + +/** + * Resolves targets configured in a multiplicity by delegating to object factories and returning an <code>List</code> + * containing object instances + * + * @version $Rev$ $Date$ + */ +public class ListMultiplicityObjectFactory implements ObjectFactory<List> { + + private ObjectFactory[] factories; + + public ListMultiplicityObjectFactory(List<ObjectFactory<?>> factories) { + assert factories != null : "Object factories were null"; + this.factories = factories.toArray(new ObjectFactory[factories.size()]); + } + + public List getInstance() throws ObjectCreationException { + List<Object> list = new ArrayList<Object>(); + for (ObjectFactory factory : factories) { + list.add(factory.getInstance()); + } + return list; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodEventInvoker.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodEventInvoker.java new file mode 100644 index 0000000000..e43a1e1fa6 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodEventInvoker.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +/** + * Performs an wire on a method of a given instance + * + * @version $Rev$ $Date$ + */ +public class MethodEventInvoker<T> implements EventInvoker<T> { + private final Method method; + + /** + * Intantiates an invoker for the given method + */ + public MethodEventInvoker(Method method) { + assert method != null; + this.method = method; + } + + public void invokeEvent(T instance) throws ObjectCallbackException { + try { + method.invoke(instance, (Object[]) null); + } catch (IllegalArgumentException e) { + String name = method.getName(); + throw new ObjectCallbackException("Exception thrown by callback method [" + name + "]", e.getCause()); + } catch (IllegalAccessException e) { + String name = method.getName(); + throw new AssertionError("Method is not accessible [" + name + "]"); + } catch (InvocationTargetException e) { + String name = method.getName(); + throw new ObjectCallbackException("Exception thrown by callback method [" + name + "]", e.getCause()); + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodInjector.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodInjector.java new file mode 100644 index 0000000000..258f0817dd --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodInjector.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; + +/** + * Injects a value created by an {@link org.apache.tuscany.spi.ObjectFactory} using a given method + * + * @version $Rev$ $Date$ + */ +public class MethodInjector<T> implements Injector<T> { + private final Method method; + private final ObjectFactory<?> objectFactory; + + public MethodInjector(Method method, ObjectFactory<?> objectFactory) { + assert method != null; + assert objectFactory != null; + this.method = method; + this.method.setAccessible(true); + this.objectFactory = objectFactory; + } + + public void inject(T instance) throws ObjectCreationException { + try { + method.invoke(instance, objectFactory.getInstance()); + } catch (IllegalAccessException e) { + throw new AssertionError("Method is not accessible [" + method + "]"); + } catch (IllegalArgumentException e) { + throw new ObjectCreationException("Exception thrown by setter", method.getName(), e); + } catch (InvocationTargetException e) { + throw new ObjectCreationException("Exception thrown by setter", method.getName(), e); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/NoAccessorException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/NoAccessorException.java new file mode 100644 index 0000000000..b3109074e3 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/NoAccessorException.java @@ -0,0 +1,39 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +/** + * @version $$Rev$$ $$Date$$ + */ +public class NoAccessorException extends InjectionRuntimeException { + public NoAccessorException() { + } + + public NoAccessorException(String message) { + super(message); + } + + public NoAccessorException(String message, Throwable cause) { + super(message, cause); + } + + public NoAccessorException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/NoMultiplicityTypeException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/NoMultiplicityTypeException.java new file mode 100644 index 0000000000..a86451525b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/NoMultiplicityTypeException.java @@ -0,0 +1,29 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +/** + * @version $Rev$ $Date$ + */ +public class NoMultiplicityTypeException extends InjectionRuntimeException { + + public NoMultiplicityTypeException(String message, String identifier) { + super(message, identifier); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ObjectCallbackException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ObjectCallbackException.java new file mode 100644 index 0000000000..ff830aab4b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ObjectCallbackException.java @@ -0,0 +1,48 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +/** + * Denotes an error when invoking on an object + * + * @version $Rev$ $Date$ + */ +public class ObjectCallbackException extends InjectionRuntimeException { + + public ObjectCallbackException() { + super(); + } + + public ObjectCallbackException(String message) { + super(message); + } + + public ObjectCallbackException(String message, String identifier) { + super(message, identifier); + } + + public ObjectCallbackException(String message, Throwable cause) { + super(message, cause); + } + + public ObjectCallbackException(Throwable cause) { + super(cause); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/PojoObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/PojoObjectFactory.java new file mode 100644 index 0000000000..aadd6297ea --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/PojoObjectFactory.java @@ -0,0 +1,119 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import java.lang.reflect.Constructor; +import java.lang.reflect.InvocationTargetException; +import java.util.List; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; + +/** + * Creates new instances of a Java class + * + * @version $Rev$ $Date$ + * @see org.apache.tuscany.core.injection.Injector + */ +public class PojoObjectFactory<T> implements ObjectFactory<T> { + + private final Constructor<T> ctr; + private ObjectFactory[] initializerFactories; + + /** + * Creates the object factory + * + * @param ctr the constructor to use when instantiating a new object + */ + public PojoObjectFactory(Constructor<T> ctr) { + assert ctr != null; + this.ctr = ctr; + initializerFactories = new ObjectFactory[ctr.getParameterTypes().length]; + } + + /** + * Creates the object factory + * + * @param ctr the constructor to use when instantiating a new object + * @param factories an ordered list of <code>ObjectFactory</code>s to use for returning constructor parameters + */ + public PojoObjectFactory(Constructor<T> ctr, List<ObjectFactory> factories) { + assert ctr != null; + int params = ctr.getParameterTypes().length; + assert params == factories.size(); + this.ctr = ctr; + initializerFactories = new ObjectFactory[params]; + int i = 0; + for (ObjectFactory factory : factories) { + initializerFactories[i] = factory; + i++; + } + } + + /** + * Returns the ordered array of <code>ObjectFactory</code>s use in creating constructor parameters + */ + public ObjectFactory[] getInitializerFactories() { + return initializerFactories; + } + + /** + * Sets an <code>ObjectFactory</code>s to use in creating constructor parameter + * + * @param pos the constructor parameter position + * @param factory the object factory + */ + public void setInitializerFactory(int pos, ObjectFactory factory) { + assert pos < initializerFactories.length; + initializerFactories[pos] = factory; + } + + /** + * Creates a new instance of an object + */ + public T getInstance() throws ObjectCreationException { + int size = initializerFactories.length; + Object[] initargs = new Object[size]; + // create the constructor arg array + for (int i = 0; i < size; i++) { + ObjectFactory<?> objectFactory = initializerFactories[i]; + if (objectFactory == null) { + String name = ctr.getName(); + throw new ObjectCallbackException("Null object factory for constructor parameter [" + i + "]", name); + } + initargs[i] = objectFactory.getInstance(); + } + try { + ctr.setAccessible(true); + return ctr.newInstance(initargs); + } catch (IllegalArgumentException e) { + String name = ctr.getName(); + throw new ObjectCreationException("Exception thrown by constructor", name, e); + } catch (InstantiationException e) { + String name = ctr.getDeclaringClass().getName(); + throw new AssertionError("Class is not instantiable [" + name + "]"); + } catch (IllegalAccessException e) { + String name = ctr.getName(); + throw new AssertionError("Constructor is not accessible [" + name + "]"); + } catch (InvocationTargetException e) { + String name = ctr.getName(); + throw new ObjectCreationException("Exception thrown by constructor", name, e); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/RequestContextObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/RequestContextObjectFactory.java new file mode 100644 index 0000000000..9a9d97a273 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/RequestContextObjectFactory.java @@ -0,0 +1,26 @@ +package org.apache.tuscany.core.injection; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.WorkContext; + +import org.apache.tuscany.core.implementation.composite.ManagedRequestContext; + +/** + * Creates instances of {@link org.apache.tuscany.core.implementation.composite.ManagedRequestContext} for injection on + * component implementation instances + * + * @version $Rev$ $Date$ + */ +public class RequestContextObjectFactory implements ObjectFactory<ManagedRequestContext> { + private WorkContext workContext; + + public RequestContextObjectFactory(WorkContext workContext) { + assert workContext != null; + this.workContext = workContext; + } + + public ManagedRequestContext getInstance() throws ObjectCreationException { + return new ManagedRequestContext(workContext); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ResourceNotFoundException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ResourceNotFoundException.java new file mode 100644 index 0000000000..ed3ac20631 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ResourceNotFoundException.java @@ -0,0 +1,34 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import org.apache.tuscany.spi.ObjectCreationException; + +/** + * Denotes an exception thrown when a runtime resource is not found + * + * @version $Rev$ $Date$ + */ +public class ResourceNotFoundException extends ObjectCreationException { + + public ResourceNotFoundException(String message, String identifier) { + super(message, identifier); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ResourceObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ResourceObjectFactory.java new file mode 100644 index 0000000000..a68702157b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/ResourceObjectFactory.java @@ -0,0 +1,146 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.host.ResourceHost; +import org.apache.tuscany.spi.host.ResourceResolutionException; +import org.apache.tuscany.spi.wire.InboundWire; + +/** + * Resolves a runtime resource to be injected on a field or method of a Java component type marked with {@link + * org.osoa.sca.annotations.Resource}. If the mapped name of the resource is an absolute URI such as + * <code>sca://localhost</code> or <code>jndi://localhost</code> the host container namespace is searched; otherwise the + * URI is assumed to be relative and the parent composite is searched. If a mapped name is not provided, i.e. resolution + * is by type, the parent composite is first searched followed by the host namespace. + * + * @version $Rev$ $Date$ + */ +public class ResourceObjectFactory<T> implements ObjectFactory<T> { + + private Class<T> type; + private String mappedName; + private CompositeComponent parent; + private ResourceHost host; + private boolean resolveFromHost; + private boolean optional; + + /** + * Instantiates a factory that resolves resources by type + * + * @param type the type of the resource to inject + * @param optional true if an error should be thrown if the resource is not found + * @param parent the parent composite of the component to inject on + * @param host the runtime resource provider + */ + public ResourceObjectFactory(Class<T> type, + boolean optional, + CompositeComponent parent, + ResourceHost host) { + this.type = type; + this.parent = parent; + this.host = host; + this.optional = optional; + } + + /** + * Instantiates a factory that resolves resources by mapped name + * + * @param type the type of the resource to inject + * @param mappedName the resource name + * @param optional true if an error should be thrown if the resource is not found + * @param parent the parent composite of the component to inject on + * @param host the runtime resource provider + */ + public ResourceObjectFactory(Class<T> type, + String mappedName, + boolean optional, + CompositeComponent parent, + ResourceHost host) { + this.type = type; + this.parent = parent; + this.host = host; + if (mappedName.indexOf("://") >= 0) { + this.resolveFromHost = true; + } + this.mappedName = mappedName; + this.optional = optional; + } + + @SuppressWarnings({"unchecked"}) + public T getInstance() throws ObjectCreationException { + if (resolveFromHost) { + return resolveInstance(); + } else { + T instance = null; + if (mappedName == null) { + try { + InboundWire wire = parent.resolveSystemAutowire(type); + if (wire != null) { + instance = (T) wire.getTargetService(); + } + } catch (TargetResolutionException e) { + throw new ObjectCreationException(e); + } + if (instance == null) { + // if not found in parent scope, search the host namespace + resolveFromHost = true; + instance = resolveInstance(); + } + if (instance == null && !optional) { + throw new ResourceNotFoundException("No resource found matching type", type.getName()); + } + return instance; + } else { + SCAObject child = parent.getSystemChild(mappedName); + if (child instanceof AtomicComponent) { + try { + AtomicComponent component = (AtomicComponent) child; + instance = type.cast(component.getTargetInstance()); + } catch (TargetResolutionException e) { + throw new ObjectCreationException(e); + } + } else if (child != null) { + throw new InvalidResourceTypeException("Invalid resource type", mappedName); + } else if (!optional) { + throw new ResourceNotFoundException("No resource found for URI", mappedName); + } + return instance; + } + } + } + + private T resolveInstance() { + try { + if (mappedName == null) { + return host.resolveResource(type); + } else { + return host.resolveResource(type, mappedName); + } + } catch (ResourceResolutionException e) { + throw new ObjectCreationException(e); + } + + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/SingletonObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/SingletonObjectFactory.java new file mode 100644 index 0000000000..713c1ae54f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/injection/SingletonObjectFactory.java @@ -0,0 +1,39 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.injection; + +import org.apache.tuscany.spi.ObjectFactory; + +/** + * Implementation of ObjectFactory that returns a single instance, typically an immutable type. + * + * @version $Rev$ $Date$ + */ +public class SingletonObjectFactory<T> implements ObjectFactory<T> { + private final T instance; + + public SingletonObjectFactory(T instance) { + this.instance = instance; + } + + public T getInstance() { + return instance; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/CompositeContextImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/CompositeContextImpl.java new file mode 100644 index 0000000000..246ef8bdf7 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/CompositeContextImpl.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.launcher; + +import org.osoa.sca.RequestContext; +import org.osoa.sca.ServiceReference; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.wire.WireService; + +import org.apache.tuscany.core.implementation.composite.AbstractCompositeContext; + + +/** + * Default implementation of the {@link org.osoa.sca.CompositeContext} for non-managed code + * + * @version $Rev$ $Date$ + */ +public class CompositeContextImpl extends AbstractCompositeContext { + + public CompositeContextImpl(final CompositeComponent composite, final WireService wireService) { + super(composite, wireService); + } + + public ServiceReference createServiceReferenceForSession(Object arg0) { + throw new UnsupportedOperationException(); + } + + public ServiceReference createServiceReferenceForSession(Object arg0, String arg1) { + throw new UnsupportedOperationException(); + } + + public RequestContext getRequestContext() { + throw new UnsupportedOperationException(); + } + + public ServiceReference newSession(String arg0) { + throw new UnsupportedOperationException(); + } + + public ServiceReference newSession(String arg0, Object arg1) { + throw new UnsupportedOperationException(); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LaunchException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LaunchException.java new file mode 100644 index 0000000000..730f29611a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LaunchException.java @@ -0,0 +1,49 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.launcher; + +import org.apache.tuscany.api.TuscanyException; + +/** + * Exception indicating that there was a problem launching an application. + * + * @version $Rev$ $Date$ + */ +public abstract class LaunchException extends TuscanyException { + + protected LaunchException(String message) { + super(message); + } + + protected LaunchException(String message, String identifier) { + super(message, identifier); + } + + protected LaunchException(String message, String identifier, Throwable cause) { + super(message, identifier, cause); + } + + protected LaunchException(String message, Throwable cause) { + super(message, cause); + } + + protected LaunchException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherImpl.java new file mode 100644 index 0000000000..adf95a9bd9 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherImpl.java @@ -0,0 +1,250 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.launcher; + +import java.io.File; +import java.net.URL; +import java.util.ArrayList; +import java.util.List; +import javax.xml.stream.XMLInputFactory; + +import org.osoa.sca.CompositeContext; + +import org.apache.tuscany.spi.bootstrap.ComponentNames; +import org.apache.tuscany.spi.bootstrap.RuntimeComponent; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.deployer.Deployer; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.CompositeImplementation; +import org.apache.tuscany.spi.services.management.TuscanyManagementService; + +import org.apache.tuscany.api.TuscanyException; +import org.apache.tuscany.core.bootstrap.Bootstrapper; +import org.apache.tuscany.core.bootstrap.DefaultBootstrapper; +import org.apache.tuscany.core.implementation.system.model.SystemCompositeImplementation; +import org.apache.tuscany.host.Launcher; +import org.apache.tuscany.host.MonitorFactory; +import org.apache.tuscany.host.RuntimeInfo; +import org.apache.tuscany.host.runtime.InitializationException; +import org.apache.tuscany.host.monitor.FormatterRegistry; + +/** + * Basic launcher implementation. + * + * @version $Rev$ $Date$ + */ +public class LauncherImpl implements Launcher { + /** + * A conventional META-INF based location for the system SCDL. + * + * @see #bootRuntime(URL,MonitorFactory) + */ + public static final String METAINF_SYSTEM_SCDL_PATH = "META-INF/tuscany/system.scdl"; + + /** + * A conventional META-INF based location for the application SCDL. + */ + public static final String METAINF_APPLICATION_SCDL_PATH = "META-INF/sca/default.scdl"; + + private ClassLoader applicationLoader; + + private RuntimeComponent runtime; + + private Deployer deployer; + + private CompositeComponent composite; + + public void bootRuntime(URL systemScdl, ClassLoader systemClassLoader, MonitorFactory monitor) + throws TuscanyException { + if (systemScdl == null) { + throw new LoaderException("Null system SCDL URL"); + } + + XMLInputFactory xmlFactory = XMLInputFactory.newInstance("javax.xml.stream.XMLInputFactory", systemClassLoader); + TuscanyManagementService managementService = null; + Bootstrapper bootstrapper = new DefaultBootstrapper(monitor, xmlFactory, managementService); + Deployer bootDeployer = bootstrapper.createDeployer(); + + // create and start the core runtime + runtime = bootstrapper.createRuntime(); + runtime.start(); + + // initialize the runtime info + CompositeComponent parent = runtime.getSystemComponent(); + RuntimeInfo runtimeInfo = new LauncherRuntimeInfo(getInstallDirectory(), getApplicationRootDirectory(), true); + parent.registerJavaObject("RuntimeInfo", RuntimeInfo.class, runtimeInfo); + + // register the monitor factory + if (monitor instanceof FormatterRegistry) { + List<Class<?>> interfazes = new ArrayList<Class<?>>(2); + interfazes.add(MonitorFactory.class); + interfazes.add(FormatterRegistry.class); + parent.registerJavaObject("MonitorFactory", interfazes, monitor); + } else { + parent.registerJavaObject("MonitorFactory", MonitorFactory.class, monitor); + } + parent.start(); + // create a ComponentDefinition to represent the component we are going to deploy + SystemCompositeImplementation compositeImplementation = new SystemCompositeImplementation(); + compositeImplementation.setScdlLocation(systemScdl); + compositeImplementation.setClassLoader(systemClassLoader); + ComponentDefinition<SystemCompositeImplementation> definition = + new ComponentDefinition<SystemCompositeImplementation>( + ComponentNames.TUSCANY_SYSTEM, compositeImplementation); + try { + // deploy the component into the runtime under the system parent + composite = (CompositeComponent) bootDeployer.deploy(parent, definition); + } catch (TuscanyException e) { + e.addContextName(definition.getName()); + throw e; + } + // start the system + composite.start(); + + SCAObject child = composite.getSystemChild(ComponentNames.TUSCANY_DEPLOYER); + if (!(child instanceof AtomicComponent)) { + throw new InitializationException("Deployer must be an atomic component"); + } + deployer = (Deployer) ((AtomicComponent) child).getTargetInstance(); + runtime.getRootComponent().start(); + } + + /** + * Shuts down the active runtime being managed by this instance. + */ + public void shutdownRuntime() { + if (composite != null) { + composite.stop(); + composite = null; + } + + if (runtime != null) { + runtime.stop(); + runtime = null; + } + } + + public CompositeContext bootApplication(URL applicationScdl, ClassLoader applicationLoader) { + // FIXME implement + throw new UnsupportedOperationException(); + } + + /** + * Returns the classloader for application classes. + * + * @return the classloader for application classes + */ + public ClassLoader getApplicationLoader() { + return applicationLoader; + } + + /** + * Set the classloader to be used for application classes. You should almost always supply your own application + * classloader, based on the hosting environment that the runtime is embedded in. + * + * @param applicationLoader the classloader to be used for application classes + */ + public void setApplicationLoader(ClassLoader applicationLoader) { + this.applicationLoader = applicationLoader; + } + + /** + * Boots the runtime defined by the specified SCDL. + * + * @param systemScdl a resource path to the SCDL defining the system. + * @return a CompositeComponent for the newly booted runtime system + * @throws LoaderException + */ + @Deprecated + public CompositeComponent bootRuntime(URL systemScdl, MonitorFactory monitor) throws TuscanyException { + ClassLoader systemClassLoader = getClass().getClassLoader(); + bootRuntime(systemScdl, systemClassLoader, monitor); + return composite; + } + + /** + * Boots the application defined by the specified SCDL. + * + * @param name the name of the application component + * @param appScdl URL to the SCDL defining the application + * @return a CompositeComponent for the newly booted application + * @throws LoaderException + */ + @Deprecated + public CompositeComponent bootApplication(String name, URL appScdl) throws TuscanyException { + ClassLoader applicationLoader = getApplicationLoader(); + + if (appScdl == null) { + throw new LoaderException("No application scdl found"); + } + + // create a ComponentDefinition to represent the component we are going to deploy + CompositeImplementation impl = new CompositeImplementation(); + impl.setScdlLocation(appScdl); + impl.setClassLoader(applicationLoader); + ComponentDefinition<CompositeImplementation> definition = + new ComponentDefinition<CompositeImplementation>(name, impl); + + // deploy the component into the runtime under the system parent + CompositeComponent parent = runtime.getRootComponent(); + // FIXME andyp -- this seems bogus when running inside an appserver + ClassLoader ccl = Thread.currentThread().getContextClassLoader(); + + try { + + Thread.currentThread().setContextClassLoader(getClass().getClassLoader()); + return (CompositeComponent) deployer.deploy(parent, definition); + } finally { + Thread.currentThread().setContextClassLoader(ccl); + } + } + + public File getInstallDirectory() { + String property = System.getProperty("tuscany.installDir"); + if (property != null) { + return new File(property); + } + + // TODO: TUSCANY-648, should this throw an exception if it not running from a jar? + + URL url = getClass().getResource("LauncherImpl.class"); + String jarLocation = url.toString(); + if ("jar".equals(url.getProtocol())) { + jarLocation = jarLocation.substring(4, jarLocation.lastIndexOf("!/")); + } + if (jarLocation.startsWith("file:")) { + jarLocation = jarLocation.substring(5); + } + + File jarFile = new File(jarLocation); + return jarFile.getParentFile().getParentFile(); + } + + public File getApplicationRootDirectory() { + String property = System.getProperty("tuscany.applicationRootDir"); + if (property != null) { + return new File(property); + } + + return new File(System.getProperty("user.dir")); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherRuntimeInfo.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherRuntimeInfo.java new file mode 100644 index 0000000000..a46631508b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherRuntimeInfo.java @@ -0,0 +1,96 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.launcher; + +import java.io.File; +import java.net.MalformedURLException; +import java.net.URL; +import java.net.URI; + +import org.apache.tuscany.host.RuntimeInfo; + +/** + * @version $Rev$ $Date$ + */ +public class LauncherRuntimeInfo implements RuntimeInfo { + + /** Install directory */ + private final File installDirectory; + + /** Application root directory */ + private final File applicationRootDirectory; + + private final boolean online; + + /** + * Initializes the installation and application root directories. + * + * @param installDirectory Installation directory. + * @param applicationRootDirectory Application root directory. + */ + public LauncherRuntimeInfo(File installDirectory, File applicationRootDirectory, boolean online) { + this.installDirectory = installDirectory; + this.applicationRootDirectory = applicationRootDirectory; + this.online = online; + } + + public URI getDomain() { + throw new UnsupportedOperationException(); + } + + /** + * Return the directory where the running runtime was installed. + * + * @return the directory where the runtime was installed + */ + public File getInstallDirectory() { + return installDirectory; + } + + /** + * Return the root directory used to resolve application file paths. + * + * @return the directory used to resolve application file paths. + */ + public File getApplicationRootDirectory() { + return applicationRootDirectory; + } + + /** + * Gets the base URL for the runtime. + * + * @return The base URL for the runtime. + */ + public URL getBaseURL() { + try { + return installDirectory.toURL(); + } catch (MalformedURLException e) { + // TODO Decide on how to handle the exception + throw new RuntimeException(e); + } + } + + public boolean isOnline() { + return online; + } + + public String getRuntimeId() { + throw new UnsupportedOperationException(); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentLoader.java new file mode 100644 index 0000000000..3b0a030987 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentLoader.java @@ -0,0 +1,315 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import java.lang.reflect.Type; +import java.net.URI; +import java.net.URISyntaxException; +import java.util.Map; +import javax.xml.namespace.QName; +import javax.xml.parsers.DocumentBuilder; +import javax.xml.parsers.ParserConfigurationException; +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.w3c.dom.Document; +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.databinding.extension.DOMHelper; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.InvalidReferenceException; +import org.apache.tuscany.spi.loader.InvalidValueException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.LoaderUtil; +import org.apache.tuscany.spi.loader.MissingImplementationException; +import org.apache.tuscany.spi.loader.MissingMustOverridePropertyException; +import org.apache.tuscany.spi.loader.MissingReferenceException; +import org.apache.tuscany.spi.loader.NotOverridablePropertyException; +import org.apache.tuscany.spi.loader.PropertyObjectFactory; +import org.apache.tuscany.spi.loader.UndefinedPropertyException; +import org.apache.tuscany.spi.loader.UndefinedReferenceException; +import org.apache.tuscany.spi.loader.UnrecognizedElementException; +import org.apache.tuscany.spi.model.BindingDefinition; +import org.apache.tuscany.spi.model.BoundReferenceDefinition; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.ComponentType; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.model.OverrideOptions; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.PropertyValue; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ReferenceTarget; +import org.apache.tuscany.spi.model.ServiceDefinition; + +import org.apache.tuscany.core.binding.local.LocalBindingDefinition; +import org.apache.tuscany.core.implementation.system.model.SystemImplementation; +import org.apache.tuscany.core.property.SimplePropertyObjectFactory; + +/** + * Loads a component definition from an XML-based assembly file + * + * @version $Rev$ $Date$ + */ +public class ComponentLoader extends LoaderExtension<ComponentDefinition<?>> { + private static final QName COMPONENT = new QName(XML_NAMESPACE_1_0, "component"); + private static final QName PROPERTY = new QName(XML_NAMESPACE_1_0, "property"); + private static final QName REFERENCE = new QName(XML_NAMESPACE_1_0, "reference"); + + private static final String PROPERTY_FILE_ATTR = "file"; + private static final String PROPERTY_NAME_ATTR = "name"; + private static final String PROPERTY_SOURCE_ATTR = "source"; + + private PropertyObjectFactory propertyFactory; + + @Constructor + public ComponentLoader(@Autowire LoaderRegistry registry, @Autowire PropertyObjectFactory propertyFactory) { + super(registry); + this.propertyFactory = propertyFactory; + } + + public QName getXMLType() { + return COMPONENT; + } + + @SuppressWarnings("unchecked") + public ComponentDefinition<?> load(CompositeComponent parent, + ModelObject object, + XMLStreamReader reader, + DeploymentContext deploymentContext) throws XMLStreamException, LoaderException { + assert COMPONENT.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + String initLevel = reader.getAttributeValue(null, "initLevel"); + + try { + Implementation<?> impl = loadImplementation(parent, reader, deploymentContext); + registry.loadComponentType(parent, impl, deploymentContext); + + ComponentDefinition<Implementation<?>> componentDefinition = + new ComponentDefinition<Implementation<?>>(name, impl); + + if (initLevel != null) { + if (initLevel.length() == 0) { + componentDefinition.setInitLevel(0); + } else { + try { + componentDefinition.setInitLevel(Integer.valueOf(initLevel)); + } catch (NumberFormatException e) { + throw new InvalidValueException(initLevel, "initValue", e); + } + } + } + + while (true) { + switch (reader.next()) { + case START_ELEMENT: + QName qname = reader.getName(); + if (PROPERTY.equals(qname)) { + loadProperty(reader, deploymentContext, componentDefinition); + } else if (REFERENCE.equals(qname)) { + loadReference(reader, deploymentContext, componentDefinition); + } else { + throw new UnrecognizedElementException(qname); + } + reader.next(); + break; + case END_ELEMENT: + if (reader.getName().equals(COMPONENT)) { + // hack to leave alone SystemImplementation + if (!((Implementation) componentDefinition + .getImplementation() instanceof SystemImplementation)) { + populatePropertyValues(componentDefinition); + } + ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> type = + (ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>>) componentDefinition + .getImplementation().getComponentType(); + for (ReferenceDefinition ref : type.getReferences().values()) { + if (ref.isAutowire()) { + ReferenceTarget referenceTarget = new ReferenceTarget(); + referenceTarget.setReferenceName(ref.getName()); + componentDefinition.add(referenceTarget); + } + } + validate(componentDefinition); + return componentDefinition; + } + break; + } + } + } catch (LoaderException e) { + e.addContextName(name); + throw e; + } + } + + protected Implementation<?> loadImplementation(CompositeComponent parent, + XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + reader.nextTag(); + ModelObject o = registry.load(parent, null, reader, deploymentContext); + if (!(o instanceof Implementation)) { + throw new MissingImplementationException(); + } + return (Implementation<?>) o; + } + + @SuppressWarnings("unchecked") + protected void loadProperty(XMLStreamReader reader, + DeploymentContext deploymentContext, + ComponentDefinition<?> componentDefinition) throws XMLStreamException, + LoaderException { + String name = reader.getAttributeValue(null, PROPERTY_NAME_ATTR); + Implementation<?> implementation = componentDefinition.getImplementation(); + ComponentType<?, ?, ?> componentType = implementation.getComponentType(); + Property<Type> property = (Property<Type>) componentType.getProperties().get(name); + if (property == null) { + throw new UndefinedPropertyException(name); + } else if (OverrideOptions.NO.equals(property.getOverride())) { + throw new NotOverridablePropertyException(name); + } + PropertyValue<Type> propertyValue; + String source = reader.getAttributeValue(null, PROPERTY_SOURCE_ATTR); + String file = reader.getAttributeValue(null, PROPERTY_FILE_ATTR); + if (source != null || file != null) { + propertyValue = new PropertyValue<Type>(name, source, file); + LoaderUtil.skipToEndElement(reader); + } else { + try { + DocumentBuilder documentBuilder = DOMHelper.newDocumentBuilder(); + Document value = StAXUtil.createPropertyValue(reader, property.getXmlType(), documentBuilder); + propertyValue = new PropertyValue<Type>(name, value); + } catch (ParserConfigurationException e) { + throw new LoaderException(e); + } + } + ObjectFactory<Type> objectFactory = propertyFactory.createObjectFactory(property, propertyValue); + // propertyValue.setValueFactory(new SimplePropertyObjectFactory(property, propertyValue.getValue())); + propertyValue.setValueFactory(objectFactory); + componentDefinition.add(propertyValue); + } + + protected void loadReference(XMLStreamReader reader, + DeploymentContext deploymentContext, + ComponentDefinition<?> componentDefinition) throws XMLStreamException, + LoaderException { + String name = reader.getAttributeValue(null, "name"); + String text = reader.getElementText(); + String target = text != null ? text.trim() : null; + + + if (name == null) { + throw new InvalidReferenceException("No name specified"); + } else if (target == null) { + throw new InvalidReferenceException("No target specified", name); + } + Implementation<?> impl = componentDefinition.getImplementation(); + ComponentType<?, ?, ?> componentType = impl.getComponentType(); + if (!componentType.getReferences().containsKey(name)) { + throw new UndefinedReferenceException(name); + } + if (componentType instanceof CompositeComponentType) { + ReferenceDefinition definition = componentType.getReferences().get(name); + assert definition instanceof BoundReferenceDefinition; + BoundReferenceDefinition brd = (BoundReferenceDefinition) definition; + if (brd.getBindings().isEmpty()) { + // TODO JFM allow selection of a default binding + try { + LocalBindingDefinition binding = new LocalBindingDefinition(new URI(target)); + brd.addBinding(binding); + } catch (URISyntaxException e) { + throw new InvalidReferenceException(e); + } + } else { + for (BindingDefinition binding : brd.getBindings()) { + try { + // FIXME this is bad - clarify in the spec how URIs are overriden + binding.setTargetUri(new URI(target)); + } catch (URISyntaxException e) { + throw new LoaderException(e); + } + } + } + } else { + ReferenceTarget referenceTarget = new ReferenceTarget(); + referenceTarget.setReferenceName(name); + try { + referenceTarget.addTarget(new URI(target)); + } catch (URISyntaxException e) { + throw new InvalidReferenceException(e); + } + componentDefinition.add(referenceTarget); + } + } + + @SuppressWarnings("unchecked") + protected void populatePropertyValues(ComponentDefinition<Implementation<?>> componentDefinition) + throws MissingMustOverridePropertyException { + ComponentType componentType = componentDefinition.getImplementation().getComponentType(); + if (componentType != null) { + Map<String, Property<?>> properties = componentType.getProperties(); + Map<String, PropertyValue<?>> propertyValues = componentDefinition.getPropertyValues(); + + for (Property<?> aProperty : properties.values()) { + if (propertyValues.get(aProperty.getName()) == null) { + if (aProperty.getOverride() == OverrideOptions.MUST) { + throw new MissingMustOverridePropertyException(aProperty.getName()); + } else if (aProperty.getDefaultValue() != null) { + PropertyValue propertyValue = new PropertyValue(); + propertyValue.setName(aProperty.getName()); + propertyValue.setValue(aProperty.getDefaultValue()); + propertyValue.setValueFactory(new SimplePropertyObjectFactory(aProperty, + propertyValue.getValue())); + propertyValues.put(aProperty.getName(), propertyValue); + } + } + } + } + } + + /** + * Validates a component definition, ensuring all component type configuration elements are satisfied + */ + protected void validate(ComponentDefinition<Implementation<?>> definition) throws LoaderException { + // validate refererences + Implementation<?> implementation = definition.getImplementation(); + ComponentType<?, ?, ?> type = implementation.getComponentType(); + if (type == null) { + return; + } + for (ReferenceDefinition referenceDef : type.getReferences().values()) { + if (referenceDef.isAutowire() || !referenceDef.isRequired()) { + continue; + } + String name = referenceDef.getName(); + if (!definition.getReferenceTargets().containsKey(name)) { + throw new MissingReferenceException(name); + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java new file mode 100644 index 0000000000..3aa0d3fadc --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java @@ -0,0 +1,89 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import javax.xml.namespace.QName; +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.ComponentType; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ServiceDefinition; + +/** + * @version $Rev$ $Date$ + */ +public class ComponentTypeElementLoader extends LoaderExtension<ComponentType> { + public static final QName COMPONENT_TYPE = new QName(XML_NAMESPACE_1_0, "componentType"); + + @Constructor + public ComponentTypeElementLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return COMPONENT_TYPE; + } + + @SuppressWarnings("unchecked") + public ComponentType load(CompositeComponent parent, + ModelObject object, + XMLStreamReader reader, + DeploymentContext deploymentContext) throws XMLStreamException, LoaderException { + assert COMPONENT_TYPE.equals(reader.getName()); + ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> componentType; + if (object != null) { + assert object instanceof ComponentType; + // a specialized component type was passed in + componentType = (ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>>) object; + } else { + componentType = new ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>>(); + } + + while (true) { + switch (reader.next()) { + case START_ELEMENT: + ModelObject o = registry.load(parent, componentType, reader, deploymentContext); + if (o instanceof ServiceDefinition) { + componentType.add((ServiceDefinition) o); + } else if (o instanceof ReferenceDefinition) { + componentType.add((ReferenceDefinition) o); + } else if (o instanceof Property) { + componentType.add((Property<?>) o); + } + break; + case END_ELEMENT: + return componentType; + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/DependencyLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/DependencyLoader.java new file mode 100644 index 0000000000..66aafb6525 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/DependencyLoader.java @@ -0,0 +1,88 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.UnrecognizedElementException; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.services.artifact.Artifact; + +import org.apache.tuscany.core.implementation.composite.Dependency; + +/** + * Loader for handling <dependency> elements. + * + * @version $Rev$ $Date$ + */ +public class DependencyLoader extends LoaderExtension<Dependency> { + private static final String NS = "http://tuscany.apache.org/xmlns/1.0-SNAPSHOT"; + private static final QName DEPENDENCY = new QName(NS, "dependency"); + private static final QName GROUP = new QName(NS, "group"); + private static final QName NAME = new QName(NS, "name"); + private static final QName VERSION = new QName(NS, "version"); + private static final QName CLASSIFIER = new QName(NS, "classifier"); + private static final QName TYPE = new QName(NS, "type"); + + public DependencyLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return DEPENDENCY; + } + + public Dependency load(CompositeComponent parent, + ModelObject object, + XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + + Artifact artifact = new Artifact(); + while (reader.nextTag() == XMLStreamConstants.START_ELEMENT) { + QName name = reader.getName(); + String text = reader.getElementText(); + if (GROUP.equals(name)) { + artifact.setGroup(text); + } else if (NAME.equals(name)) { + artifact.setName(text); + } else if (VERSION.equals(name)) { + artifact.setVersion(text); + } else if (CLASSIFIER.equals(name)) { + artifact.setClassifier(text); + } else if (TYPE.equals(name)) { + artifact.setType(text); + } else { + throw new UnrecognizedElementException(name); + } + } + Dependency dependency = new Dependency(); + dependency.setArtifact(artifact); + return dependency; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/IncludeLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/IncludeLoader.java new file mode 100644 index 0000000000..61146d5afd --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/IncludeLoader.java @@ -0,0 +1,111 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import java.net.MalformedURLException; +import java.net.URL; +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.LoaderUtil; +import org.apache.tuscany.spi.loader.MissingIncludeException; +import org.apache.tuscany.spi.loader.MissingResourceException; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.Include; +import org.apache.tuscany.spi.model.ModelObject; + +import org.apache.tuscany.core.deployer.ChildDeploymentContext; + +/** + * Loader that handles <include> elements. + * + * @version $Rev$ $Date$ + */ +public class IncludeLoader extends LoaderExtension<Include> { + private static final QName INCLUDE = new QName(XML_NAMESPACE_1_0, "include"); + + @Constructor({"registry"}) + public IncludeLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return INCLUDE; + } + + public Include load(CompositeComponent parent, ModelObject object, XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + + assert INCLUDE.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + String scdlLocation = reader.getAttributeValue(null, "scdlLocation"); + String scdlResource = reader.getAttributeValue(null, "scdlResource"); + LoaderUtil.skipToEndElement(reader); + + ClassLoader cl = deploymentContext.getClassLoader(); + URL url; + if (scdlLocation != null) { + try { + url = new URL(deploymentContext.getScdlLocation(), scdlLocation); + } catch (MalformedURLException e) { + throw new MissingResourceException(scdlLocation, name, e); + } + } else if (scdlResource != null) { + url = cl.getResource(scdlResource); + if (url == null) { + throw new MissingResourceException(scdlResource, name); + } + } else { + throw new MissingIncludeException("No SCDL location or resource specified", name); + } + + DeploymentContext childContext = new ChildDeploymentContext(deploymentContext, cl, url); + CompositeComponentType composite; + try { + composite = loadFromSidefile(parent, url, childContext); + } catch (LoaderException e) { + e.addContextName(name); + throw e; + } + + Include include = new Include(); + include.setName(name); + include.setScdlLocation(url); + include.setIncluded(composite); + return include; + } + + protected CompositeComponentType loadFromSidefile(CompositeComponent parent, + URL url, + DeploymentContext deploymentContext) + throws LoaderException { + return registry.load(parent, null, url, CompositeComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/JNDIPropertyFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/JNDIPropertyFactory.java new file mode 100644 index 0000000000..8759377840 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/JNDIPropertyFactory.java @@ -0,0 +1,52 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import javax.naming.Context; +import javax.naming.InitialContext; +import javax.naming.NamingException; + +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.PropertyObjectFactory; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.PropertyValue; + +import org.apache.tuscany.core.injection.JNDIObjectFactory; + +/** + * A StAXPropertyFactory that creates property values by looking them up in the default JNDI InitialContext. <p/> This + * can be used to locate resources in a J2EE environment and inject them as configuration properties. For example, to + * access a database a component could write: <code> &at;Property DataSource myDB; </code> and configure with <code> + * <properties> <v:myDb>java:comp/env/jdbc/MyDatabase</v:myDB> </properties> </code> + * + * @version $Rev$ $Date$ + */ +public class JNDIPropertyFactory implements PropertyObjectFactory { + public <T> ObjectFactory<T> createObjectFactory(Property<T> property, PropertyValue<T> value) + throws LoaderException { + String text = value.getValue().getDocumentElement().getTextContent(); + try { + Context context = new InitialContext(); + return new JNDIObjectFactory<T>(context, text); + } catch (NamingException e) { + throw new LoaderException(e); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/LoaderExceptionFormatter.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/LoaderExceptionFormatter.java new file mode 100644 index 0000000000..4fad10c95f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/LoaderExceptionFormatter.java @@ -0,0 +1,50 @@ +package org.apache.tuscany.core.loader; + +import java.io.PrintWriter; + +import org.osoa.sca.annotations.Destroy; +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.loader.LoaderException; + +import org.apache.tuscany.host.monitor.ExceptionFormatter; +import org.apache.tuscany.host.monitor.FormatterRegistry; + +/** + * Formats {@link org.apache.tuscany.spi.loader.LoaderException} events + * + * @version $Rev$ $Date$ + */ +@EagerInit +public class LoaderExceptionFormatter implements ExceptionFormatter { + private FormatterRegistry factory; + + public LoaderExceptionFormatter(@Autowire FormatterRegistry factory) { + this.factory = factory; + factory.register(this); + } + + public boolean canFormat(Class<?> type) { + return LoaderException.class.isAssignableFrom(type); + } + + @Destroy + public void destroy() { + factory.unregister(this); + } + + public PrintWriter write(PrintWriter writer, Throwable exception) { + assert exception instanceof LoaderException; + LoaderException e = (LoaderException) exception; + e.appendBaseMessage(writer); + if (e.getLine() != LoaderException.UNDEFINED) { + writer.write("\nLine: " + e.getLine() + "\n"); + writer.write("Column: " + e.getColumn()); + } else { + writer.write("\n"); + } + e.appendContextStack(writer).append("\n"); + return writer; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/LoaderRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/LoaderRegistryImpl.java new file mode 100644 index 0000000000..ee0fd27c55 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/LoaderRegistryImpl.java @@ -0,0 +1,181 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; +import java.util.HashMap; +import java.util.Map; +import javax.xml.namespace.QName; +import javax.xml.stream.Location; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.loader.ComponentTypeLoader; +import org.apache.tuscany.spi.loader.InvalidConfigurationException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.StAXElementLoader; +import org.apache.tuscany.spi.loader.UnrecognizedComponentTypeException; +import org.apache.tuscany.spi.loader.UnrecognizedElementException; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.ModelObject; + +/** + * The default implementation of a loader registry + * + * @version $Rev$ $Date$ + */ +@EagerInit +public class LoaderRegistryImpl implements LoaderRegistry { + private Monitor monitor; + private final Map<QName, StAXElementLoader<? extends ModelObject>> loaders = + new HashMap<QName, StAXElementLoader<? extends ModelObject>>(); + private final Map<Class<? extends Implementation<?>>, + ComponentTypeLoader<? extends Implementation<?>>> componentTypeLoaders = + new HashMap<Class<? extends Implementation<?>>, ComponentTypeLoader<? extends Implementation<?>>>(); + + public LoaderRegistryImpl(@org.apache.tuscany.api.annotation.Monitor Monitor monitor) { + this.monitor = monitor; + } + + public <T extends ModelObject> void registerLoader(QName element, StAXElementLoader<T> loader) { + monitor.registeringLoader(element); + loaders.put(element, loader); + } + + public <T extends ModelObject> void unregisterLoader(QName element, StAXElementLoader<T> loader) { + monitor.unregisteringLoader(element); + loaders.remove(element); + } + + public ModelObject load(CompositeComponent parent, + ModelObject object, + XMLStreamReader reader, + DeploymentContext deploymentContext) throws XMLStreamException, LoaderException { + QName name = reader.getName(); + monitor.elementLoad(name); + StAXElementLoader<? extends ModelObject> loader = loaders.get(name); + if (loader == null) { + throw new UnrecognizedElementException(name); + } + return loader.load(parent, object, reader, deploymentContext); + } + + public <MO extends ModelObject> MO load(CompositeComponent parent, + ModelObject object, + URL url, + Class<MO> type, + DeploymentContext ctx) throws LoaderException { + try { + XMLStreamReader reader; + InputStream is; + is = url.openStream(); + try { + XMLInputFactory factory = ctx.getXmlFactory(); + reader = factory.createXMLStreamReader(is); + try { + reader.nextTag(); + QName name = reader.getName(); + ModelObject mo = load(parent, object, reader, ctx); + if (type.isInstance(mo)) { + return type.cast(mo); + } else { + UnrecognizedElementException e = new UnrecognizedElementException(name); + e.setResourceURI(url.toString()); + throw e; + } + } catch (LoaderException e) { + Location location = reader.getLocation(); + e.setLine(location.getLineNumber()); + e.setColumn(location.getColumnNumber()); + throw e; + } finally { + try { + reader.close(); + } catch (XMLStreamException e) { + // ignore + } + } + } finally { + try { + is.close(); + } catch (IOException e) { + // ignore + } + } + } catch (IOException e) { + LoaderException sfe = new LoaderException(e); + sfe.setResourceURI(url.toString()); + throw sfe; + } catch (XMLStreamException e) { + throw new InvalidConfigurationException("Invalid or missing resource", url.toString(), e); + } + } + + public <I extends Implementation<?>> void registerLoader(Class<I> key, ComponentTypeLoader<I> loader) { + componentTypeLoaders.put(key, loader); + } + + public <I extends Implementation<?>> void unregisterLoader(Class<I> key) { + componentTypeLoaders.remove(key); + } + + @SuppressWarnings("unchecked") + public <I extends Implementation<?>> void loadComponentType(CompositeComponent parent, + I implementation, + DeploymentContext deploymentContext) + throws LoaderException { + Class<I> key = (Class<I>) implementation.getClass(); + ComponentTypeLoader<I> loader = (ComponentTypeLoader<I>) componentTypeLoaders.get(key); + if (loader == null) { + throw new UnrecognizedComponentTypeException(key); + } + loader.load(parent, implementation, deploymentContext); + } + + public static interface Monitor { + /** + * Event emitted when a StAX element loader is registered. + * + * @param xmlType the QName of the element the loader will handle + */ + void registeringLoader(QName xmlType); + + /** + * Event emitted when a StAX element loader is unregistered. + * + * @param xmlType the QName of the element the loader will handle + */ + void unregisteringLoader(QName xmlType); + + /** + * Event emitted when a request is made to load an element. + * + * @param xmlType the QName of the element that should be loaded + */ + void elementLoad(QName xmlType); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/PolicySetLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/PolicySetLoader.java new file mode 100644 index 0000000000..b232f6e3e2 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/PolicySetLoader.java @@ -0,0 +1,196 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import java.util.ArrayList; +import java.util.List; +import javax.xml.namespace.QName; +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.LoaderUtil; +import org.apache.tuscany.spi.model.IntentMap; +import org.apache.tuscany.spi.model.IntentName; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.model.PolicySet; +import org.apache.tuscany.spi.model.PolicySetReference; +import org.apache.tuscany.spi.model.Qualifier; +import org.apache.tuscany.spi.model.WSPolicyAttachment; + +/** + * Loads a PolicySet definition from an SCDL file. + * + * @version $Rev$ $Date$ + */ +public class PolicySetLoader extends LoaderExtension<PolicySet> { + + private static final String WSPOLICY_NAMESPACE = "http://schemas.xmlsoap.org/ws/2004/09/policy"; + + private static final QName POLICYSET = new QName(XML_NAMESPACE_1_0, "policySet"); + + private static final QName INTENTMAP = new QName(XML_NAMESPACE_1_0, "intentMap"); + + private static final QName QUALIFIER = new QName(XML_NAMESPACE_1_0, "qualifier"); + + private static final QName POLICYSETREFERENCE = new QName(XML_NAMESPACE_1_0, "policySetReference"); + + private static final QName WSPOLICYATTACHMENT = new QName(WSPOLICY_NAMESPACE, "PolicyAttachment"); + + @Constructor({"registry"}) + public PolicySetLoader(@Autowire LoaderRegistry registry) { + super(registry); + + } + + @Override + public QName getXMLType() { + return POLICYSET; + } + + public PolicySet load(CompositeComponent parent, ModelObject object, XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException { + assert POLICYSET.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + String provides = reader.getAttributeValue(null, "provides"); + String appliesTo = reader.getAttributeValue(null, "appliesTo"); + PolicySet policySet = new PolicySet(new QName(XML_NAMESPACE_1_0, name), parseIntentName(provides)); + String[] appliesToArtifact = split(appliesTo); + for (String artifact : appliesToArtifact) { + policySet.addAppliedArtifacts(new QName(XML_NAMESPACE_1_0, artifact)); + } + while (true) { + switch (reader.next()) { + case START_ELEMENT: + QName qname = reader.getName(); + if (INTENTMAP.equals(qname)) { + policySet.addIntentMap(loadIntentMap(reader, deploymentContext)); + } else if (POLICYSETREFERENCE.equals(qname)) { + policySet.addPolicySetReference(loadPolicyReference(reader, deploymentContext)); + } else if (WSPOLICYATTACHMENT.equals(qname)) { + policySet.addWsPolicyAttachment(loadWSPolicyAttachment(reader, deploymentContext)); + } + + reader.next(); + break; + case END_ELEMENT: + if (reader.getName().equals(POLICYSET)) { + return policySet; + } + break; + } + } + + } + + private PolicySetReference loadPolicyReference(XMLStreamReader reader, DeploymentContext deploymentContext) + throws XMLStreamException { + assert POLICYSETREFERENCE.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + LoaderUtil.skipToEndElement(reader); + return new PolicySetReference(new QName(XML_NAMESPACE_1_0, name)); + } + + private IntentMap loadIntentMap(XMLStreamReader reader, DeploymentContext deploymentContext) + throws XMLStreamException { + assert INTENTMAP.equals(reader.getName()); + String defaultIntentAttr = reader.getAttributeValue(null, "default"); + String provides = reader.getAttributeValue(null, "provides"); + IntentMap intentMap = new IntentMap(defaultIntentAttr, java.util.Arrays.asList(split(provides))); + //parentPolicySet.addIntentMap(intentMap); + + while (true) { + switch (reader.next()) { + case START_ELEMENT: + QName qname = reader.getName(); + if (QUALIFIER.equals(qname)) { + intentMap.addQualifier(loadQualifier(reader, deploymentContext)); + } + reader.next(); + break; + case END_ELEMENT: + if (reader.getName().equals(INTENTMAP)) { + return intentMap; + } + } + } + + } + + private Qualifier loadQualifier(XMLStreamReader reader, DeploymentContext deploymentContext) + throws XMLStreamException { + assert QUALIFIER.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + Qualifier qualifier = new Qualifier(name); + while (true) { + switch (reader.next()) { + case START_ELEMENT: + QName qname = reader.getName(); + if (INTENTMAP.equals(qname)) { + qualifier.setIntentMap(loadIntentMap(reader, deploymentContext)); + } else if (WSPOLICYATTACHMENT.equals(qname)) { + qualifier.addWsPolicyAttachment(loadWSPolicyAttachment(reader, deploymentContext)); + } + reader.next(); + break; + case END_ELEMENT: + if (reader.getName().equals(QUALIFIER)) { + return qualifier; + } + } + } + + } + + private WSPolicyAttachment loadWSPolicyAttachment(XMLStreamReader reader, DeploymentContext deploymentContext) + throws XMLStreamException { + return new WSPolicyAttachment(); + } + + /** + * Split a string to string array separated by " " + */ + private static String[] split(String string) { + if (string == null) { + return new String[0]; + } + String[] intents = string.split("[ ]+"); + return intents; + } + + private static List<IntentName> parseIntentName(String attributes) { + String[] intents = split(attributes); + List<IntentName> result = new ArrayList<IntentName>(intents.length); + for (String intent : intents) { + result.add(new IntentName(intent)); + } + return result; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/PropertyLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/PropertyLoader.java new file mode 100644 index 0000000000..16c81caab7 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/PropertyLoader.java @@ -0,0 +1,103 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.parsers.DocumentBuilder; +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.parsers.ParserConfigurationException; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import org.osoa.sca.annotations.Constructor; +import org.w3c.dom.Document; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.OverrideOptions; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.annotation.Autowire; + +/** + * Loads a property from an XML-based assembly file + * + * @version $Rev$ $Date$ + */ +public class PropertyLoader extends LoaderExtension<Property> { + public static final String PROPERTY_NAME_ATTR = "name"; + public static final String PROPERTY_TYPE_ATTR = "type"; + public static final String PROPERTY_MANY_ATTR = "many"; + public static final String PROPERTY_OVERRIDE_ATTR = "override"; + + public static final QName PROPERTY = new QName(XML_NAMESPACE_1_0, "property"); + private final DocumentBuilder documentBuilder; + + @Constructor({"registry"}) + public PropertyLoader(@Autowire LoaderRegistry registry) { + super(registry); + try { + documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); + } catch (ParserConfigurationException e) { + // we should be able to construct the default DocumentBuilder + throw new AssertionError(e); + } + } + + public QName getXMLType() { + return PROPERTY; + } + + public Property<?> load(CompositeComponent parent, ModelObject object, XMLStreamReader reader, + DeploymentContext ctx) + throws XMLStreamException, LoaderException { + assert PROPERTY.equals(reader.getName()); + String name = reader.getAttributeValue(null, PROPERTY_NAME_ATTR); + String typeName = reader.getAttributeValue(null, PROPERTY_TYPE_ATTR); + QName xmlType = null; + if (typeName != null) { + int index = typeName.indexOf(':'); + if (index != -1) { + String prefix = typeName.substring(0, index); + String localName = typeName.substring(index + 1); + String ns = reader.getNamespaceURI(prefix); + xmlType = new QName(ns, localName, prefix); + } + } + boolean many = Boolean.parseBoolean(reader.getAttributeValue(null, PROPERTY_MANY_ATTR)); + String override = reader.getAttributeValue(null, PROPERTY_OVERRIDE_ATTR); + + Document value = StAXUtil.createPropertyValue(reader, xmlType, documentBuilder); + + Property<?> property = new Property(); + property.setName(name); + property.setXmlType(xmlType); + property.setMany(many); + + if (override != null) { + property.setOverride(OverrideOptions.valueOf(override.toUpperCase())); + } + property.setDefaultValue(value); + return property; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ReferenceLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ReferenceLoader.java new file mode 100644 index 0000000000..eb3a030934 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ReferenceLoader.java @@ -0,0 +1,98 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import java.util.ArrayList; +import java.util.List; +import javax.xml.namespace.QName; +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.UnrecognizedElementException; +import org.apache.tuscany.spi.model.BindingDefinition; +import org.apache.tuscany.spi.model.BoundReferenceDefinition; +import org.apache.tuscany.spi.model.ComponentType; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.model.Multiplicity; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ServiceContract; + +/** + * Loads a reference from an XML-based assembly file + * + * @version $Rev$ $Date$ + */ +public class ReferenceLoader extends LoaderExtension<ReferenceDefinition> { + public static final QName REFERENCE = new QName(XML_NAMESPACE_1_0, "reference"); + + @Constructor + public ReferenceLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return REFERENCE; + } + + public ReferenceDefinition load(CompositeComponent parent, + ModelObject object, XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + assert REFERENCE.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + Multiplicity multiplicity = + StAXUtil.multiplicity(reader.getAttributeValue(null, "multiplicity"), Multiplicity.ONE_ONE); + List<BindingDefinition> bindings = new ArrayList<BindingDefinition>(); + ServiceContract<?> contract = null; + while (true) { + switch (reader.next()) { + case START_ELEMENT: + ModelObject o = registry.load(parent, null, reader, deploymentContext); + if (o instanceof ServiceContract) { + contract = (ServiceContract) o; + } else if (o instanceof BindingDefinition) { + bindings.add((BindingDefinition) o); + } else { + throw new UnrecognizedElementException(reader.getName()); + } + break; + case END_ELEMENT: + if (object instanceof ComponentType && !(object instanceof CompositeComponentType)) { + // loading a reference in a component type side file + ReferenceDefinition referenceDefinition = new ReferenceDefinition(name, contract); + referenceDefinition.setMultiplicity(multiplicity); + return referenceDefinition; + } + return new BoundReferenceDefinition(name, contract, bindings, multiplicity); + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ServiceLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ServiceLoader.java new file mode 100644 index 0000000000..90a2be722f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/ServiceLoader.java @@ -0,0 +1,118 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import java.net.URI; +import java.net.URISyntaxException; +import java.util.ArrayList; +import java.util.List; +import javax.xml.namespace.QName; +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.InvalidReferenceException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.loader.UnrecognizedElementException; +import org.apache.tuscany.spi.model.BindingDefinition; +import org.apache.tuscany.spi.model.BoundServiceDefinition; +import org.apache.tuscany.spi.model.ComponentType; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.model.ServiceDefinition; + +/** + * Loads a service definition from an XML-based assembly file + * + * @version $Rev$ $Date$ + */ +public class ServiceLoader extends LoaderExtension<ServiceDefinition> { + private static final QName SERVICE = new QName(XML_NAMESPACE_1_0, "service"); + private static final QName REFERENCE = new QName(XML_NAMESPACE_1_0, "reference"); + + @Constructor + public ServiceLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return SERVICE; + } + + public ServiceDefinition load(CompositeComponent parent, + ModelObject object, + XMLStreamReader reader, + DeploymentContext deploymentContext) throws XMLStreamException, LoaderException { + assert SERVICE.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + String target = null; + List<BindingDefinition> bindings = new ArrayList<BindingDefinition>(); + ServiceContract serviceContract = null; + while (true) { + int i = reader.next(); + switch (i) { + case START_ELEMENT: + // there is a reference already using this qname which doesn't seem appropriate. + if (REFERENCE.equals(reader.getName())) { + String text = reader.getElementText(); + target = text != null ? text.trim() : null; + } else { + ModelObject o = registry.load(parent, null, reader, deploymentContext); + if (o instanceof ServiceContract) { + serviceContract = (ServiceContract) o; + } else if (o instanceof BindingDefinition) { + bindings.add((BindingDefinition) o); + } else { + throw new UnrecognizedElementException(reader.getName()); + } + } + break; + case END_ELEMENT: + if (SERVICE.equals(reader.getName())) { + if (object instanceof ComponentType && !(object instanceof CompositeComponentType)) { + // the load is being done for an atomic component type + // FIXME need a way to specify "remotable" on a service + return new ServiceDefinition(name, serviceContract, false); + } + URI targetURI = null; + if (target != null) { + try { + targetURI = new URI(target); + } catch (URISyntaxException e) { + throw new InvalidReferenceException(target, name); + } + } + // FIXME need a way to specify "remotable" on a service + return new BoundServiceDefinition(name, serviceContract, bindings, false, targetURI); + } + break; + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/StAXUtil.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/StAXUtil.java new file mode 100644 index 0000000000..50dee55c8e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/StAXUtil.java @@ -0,0 +1,159 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import java.util.HashMap; +import java.util.Map; + +import javax.xml.XMLConstants; +import javax.xml.namespace.QName; +import javax.xml.parsers.DocumentBuilder; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.model.InteractionScope; +import org.apache.tuscany.spi.model.Multiplicity; +import org.w3c.dom.Attr; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.Node; + +/** + * Utility classes to support StAX-based loaders + * + * @version $Rev$ $Date$ + */ +public final class StAXUtil { + private static final Map<String, Multiplicity> MULTIPLICITY = new HashMap<String, Multiplicity>(4); + + static { + MULTIPLICITY.put("0..1", Multiplicity.ZERO_ONE); + MULTIPLICITY.put("1..1", Multiplicity.ONE_ONE); + MULTIPLICITY.put("0..n", Multiplicity.ZERO_N); + MULTIPLICITY.put("1..n", Multiplicity.ONE_N); + } + + private StAXUtil() { + } + + /** + * Convert a "multiplicity" attribute to the equivalent enum value. + * + * @param multiplicity the attribute to convert + * @param def the default value + * @return the enum equivalent + */ + public static Multiplicity multiplicity(String multiplicity, Multiplicity def) { + return multiplicity == null ? def : MULTIPLICITY.get(multiplicity); + } + + /** + * Convert a "scope" attribute to the equivalent enum value. Returns + * CONVERSATIONAL if the value equals (ignoring case) "conversational", + * otherwise returns NONCONVERSATIONAL. + * + * @param scope the attribute to convert + * @return the enum equivalent + */ + public static InteractionScope interactionScope(String scope) { + if ("conversational".equalsIgnoreCase(scope)) { + return InteractionScope.CONVERSATIONAL; + } else { + return InteractionScope.NONCONVERSATIONAL; + } + } + + public static Document createPropertyValue(XMLStreamReader reader, QName type, DocumentBuilder builder) + throws XMLStreamException { + Document doc = builder.newDocument(); + + // root element has no namespace and local name "value" + Element root = doc.createElementNS(null, "value"); + if (type != null) { + Attr xsi = doc.createAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, "xmlns:xsi"); + xsi.setValue(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI); + root.setAttributeNodeNS(xsi); + + String prefix = type.getPrefix(); + if (prefix == null || prefix.length() == 0) { + prefix = "ns"; + } + Attr typeXmlns = doc.createAttributeNS(XMLConstants.XMLNS_ATTRIBUTE_NS_URI, "xmlns:" + prefix); + typeXmlns.setValue(type.getNamespaceURI()); + root.setAttributeNodeNS(typeXmlns); + + Attr xsiType = doc.createAttributeNS(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI, "xsi:type"); + xsiType.setValue(prefix + ":" + type.getLocalPart()); + root.setAttributeNodeNS(xsiType); + } + doc.appendChild(root); + + loadPropertyValue(reader, root); + return doc; + } + + /** + * Load a property value specification from an StAX stream into a DOM + * Document. Only elements, text and attributes are processed; all comments + * and other whitespace are ignored. + * + * @param reader the stream to read from + * @param root the DOM node to load + */ + public static void loadPropertyValue(XMLStreamReader reader, Node root) throws XMLStreamException { + Document document = root.getOwnerDocument(); + Node current = root; + while (true) { + switch (reader.next()) { + case XMLStreamConstants.START_ELEMENT: + QName name = reader.getName(); + Element child = document.createElementNS(name.getNamespaceURI(), name.getLocalPart()); + + // add the attributes for this element + int count = reader.getAttributeCount(); + for (int i = 0; i < count; i++) { + String ns = reader.getAttributeNamespace(i); + String localPart = reader.getAttributeLocalName(i); + String value = reader.getAttributeValue(i); + child.setAttributeNS(ns, localPart, value); + } + + // push the new element and make it the current one + current.appendChild(child); + current = child; + break; + case XMLStreamConstants.CDATA: + current.appendChild(document.createCDATASection(reader.getText())); + break; + case XMLStreamConstants.CHARACTERS: + current.appendChild(document.createTextNode(reader.getText())); + break; + case XMLStreamConstants.END_ELEMENT: + // if we are back at the root then we are done + if (current == root) { + return; + } + + // pop the element off the stack + current = current.getParentNode(); + } + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/StringParserPropertyFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/StringParserPropertyFactory.java new file mode 100644 index 0000000000..eda09d6f11 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/StringParserPropertyFactory.java @@ -0,0 +1,191 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.loader; + +import java.beans.PropertyEditor; +import java.beans.PropertyEditorManager; +import java.lang.reflect.Constructor; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; +import javax.xml.stream.XMLStreamException; + +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.PropertyObjectFactory; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.PropertyValue; + +import org.apache.tuscany.core.injection.SingletonObjectFactory; + +/** + * Implementation of StAXPropertyFactory that interprets the XML as + * + * @version $Rev$ $Date$ + */ +public class StringParserPropertyFactory implements PropertyObjectFactory { + + public <T> ObjectFactory<T> createObjectFactory(Property<T> property, PropertyValue<T> value) + throws LoaderException { + String text = value.getValue().getDocumentElement().getTextContent(); + return new SingletonObjectFactory<T>(createInstance(text, property.getJavaType())); + } + + @SuppressWarnings("unchecked") + public <T> T createInstance(String text, Class<T> type) throws LoaderException { + // Class<T> type = property.getJavaType(); + assert type != null : "property type is null"; + + // degenerate case where property type is a String + if (String.class.equals(type)) { + return type.cast(text); + } + + // special handler to convert hexBinary to a byte[] + if (byte[].class.equals(type)) { + byte[] instance = new byte[text.length() >> 1]; + for (int i = 0; i < instance.length; i++) { + instance[i] = + (byte) (Character.digit(text.charAt(i << 1), 16) << 4 | Character.digit(text + .charAt((i << 1) + 1), 16)); + } + return type.cast(instance); + } + + // does this type have a static valueOf(String) method? + try { + Method valueOf = type.getMethod("valueOf", String.class); + if (Modifier.isStatic(valueOf.getModifiers())) { + try { + return type.cast(valueOf.invoke(null, text)); + } catch (IllegalAccessException e) { + throw new AssertionError("getMethod returned an inaccessible method"); + } catch (InvocationTargetException e) { + // FIXME we should throw something better + throw new LoaderException(e.getCause()); + } + } + } catch (NoSuchMethodException e) { + // try something else + } + + // does this type have a constructor that takes a String? + try { + Constructor<T> ctr = type.getConstructor(String.class); + return ctr.newInstance(text); + } catch (NoSuchMethodException e) { + // try something else + } catch (IllegalAccessException e) { + throw new AssertionError("getConstructor returned an inaccessible method"); + } catch (InstantiationException e) { + throw new LoaderException("Property type cannot be instantiated: " + type.getName()); + } catch (InvocationTargetException e) { + // FIXME we should throw something better + throw new LoaderException(e.getCause()); + } + + // do we have a property editor for it? + PropertyEditor editor = PropertyEditorManager.findEditor(type); + if (editor != null) { + try { + editor.setAsText(text); + return (T) editor.getValue(); + } catch (IllegalArgumentException e) { + // FIXME we should throw something better + throw new LoaderException(e); + + } + } + + // FIXME we should throw something better + throw new LoaderException("Do not have a way to parse a String into a " + type.getName()); + + } + + @SuppressWarnings("unchecked") + public <T> ObjectFactory<T> createObjectFactory(String text, Property<T> property) + throws XMLStreamException, LoaderException { + Class<T> type = property.getJavaType(); + assert type != null : "property type is null"; + + // degenerate case where property type is a String + if (String.class.equals(type)) { + return new SingletonObjectFactory<T>(type.cast(text)); + } + + // special handler to convert hexBinary to a byte[] + if (byte[].class.equals(type)) { + byte[] instance = new byte[text.length() >> 1]; + for (int i = 0; i < instance.length; i++) { + instance[i] = + (byte) (Character.digit(text.charAt(i << 1), 16) << 4 | Character.digit(text + .charAt((i << 1) + 1), 16)); + } + return new SingletonObjectFactory<T>(type.cast(instance)); + } + + // does this type have a static valueOf(String) method? + try { + Method valueOf = type.getMethod("valueOf", String.class); + if (Modifier.isStatic(valueOf.getModifiers())) { + try { + return new SingletonObjectFactory<T>(type.cast(valueOf.invoke(null, text))); + } catch (IllegalAccessException e) { + throw new AssertionError("getMethod returned an inaccessible method"); + } catch (InvocationTargetException e) { + // FIXME we should throw something better + throw new LoaderException(e.getCause()); + } + } + } catch (NoSuchMethodException e) { + // try something else + } + + // does this type have a constructor that takes a String? + try { + Constructor<T> ctr = type.getConstructor(String.class); + return new SingletonObjectFactory<T>(ctr.newInstance(text)); + } catch (NoSuchMethodException e) { + // try something else + } catch (IllegalAccessException e) { + throw new AssertionError("getConstructor returned an inaccessible method"); + } catch (InstantiationException e) { + throw new LoaderException("Property type cannot be instantiated: " + type.getName()); + } catch (InvocationTargetException e) { + // FIXME we should throw something better + throw new LoaderException(e.getCause()); + } + + // do we have a property editor for it? + PropertyEditor editor = PropertyEditorManager.findEditor(type); + if (editor != null) { + try { + editor.setAsText(text); + return new SingletonObjectFactory<T>((T) editor.getValue()); + } catch (IllegalArgumentException e) { + // FIXME we should throw something better + throw new LoaderException(e); + + } + } + + // FIXME we should throw something better + throw new LoaderException("Do not have a way to parse a String into a " + type.getName()); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/WireLoader.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/WireLoader.java new file mode 100644 index 0000000000..76b0858b94 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/loader/WireLoader.java @@ -0,0 +1,112 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.core.loader;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import javax.xml.namespace.QName;
+import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import static org.osoa.sca.Version.XML_NAMESPACE_1_0;
+import org.osoa.sca.annotations.Constructor;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.extension.LoaderExtension;
+import org.apache.tuscany.spi.loader.InvalidWireException;
+import org.apache.tuscany.spi.loader.LoaderException;
+import org.apache.tuscany.spi.loader.LoaderRegistry;
+import org.apache.tuscany.spi.model.ModelObject;
+import org.apache.tuscany.spi.model.WireDefinition;
+
+/**
+ * Loads a wire from an XML-based assembly file
+ *
+ * @version $Rev: 465084 $ $Date: 2006-10-18 04:00:49 +0530 (Wed, 18 Oct 2006) $
+ */
+public class WireLoader extends LoaderExtension<WireDefinition> {
+ private static final QName WIRE = new QName(XML_NAMESPACE_1_0, "wire");
+ private static final QName SOURCE_URI = new QName(XML_NAMESPACE_1_0, "source.uri");
+ private static final QName TARGET_URI = new QName(XML_NAMESPACE_1_0, "target.uri");
+
+ @Constructor({"registry"})
+ public WireLoader(@Autowire LoaderRegistry registry) {
+ super(registry);
+ }
+
+ public QName getXMLType() {
+ return WIRE;
+ }
+
+ public WireDefinition load(CompositeComponent parent,
+ ModelObject object,
+ XMLStreamReader reader,
+ DeploymentContext deploymentContext) throws XMLStreamException, LoaderException {
+ assert WIRE.equals(reader.getName());
+ WireDefinition wireDefn;
+ URI sourceURI = null;
+ URI targetURI = null;
+ String uriString;
+ while (true) {
+ switch (reader.next()) {
+ case START_ELEMENT:
+ try {
+ if (reader.getName().equals(SOURCE_URI)) {
+ uriString = reader.getElementText();
+ if (uriString != null && uriString.trim().length() > 0) {
+ sourceURI = new URI(uriString);
+ } else {
+ throw new InvalidWireException("Wire source not defined");
+ }
+ } else if (reader.getName().equals(TARGET_URI)) {
+ uriString = reader.getElementText();
+ if (uriString != null && uriString.trim().length() > 0) {
+ targetURI = new URI(uriString);
+ } else {
+ throw new InvalidWireException("Wire target not defined");
+ }
+ } else {
+ QName name = reader.getName();
+ throw new InvalidWireException("Unrecognized element in wire ", name.toString());
+ }
+ } catch (URISyntaxException e) {
+ throw new InvalidWireException("Invalid wire uri", e);
+ }
+
+ reader.next();
+ break;
+ case END_ELEMENT:
+ if (reader.getName().equals(WIRE)) {
+ if (sourceURI != null && targetURI != null) {
+ wireDefn = new WireDefinition();
+ wireDefn.setSource(sourceURI);
+ wireDefn.setTarget(targetURI);
+ } else {
+ throw new InvalidWireException("Incomplete wire definition");
+ }
+ return wireDefn;
+ }
+ }
+ }
+ }
+}
diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/DefaultExceptionFormatter.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/DefaultExceptionFormatter.java new file mode 100644 index 0000000000..686c74c7f8 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/DefaultExceptionFormatter.java @@ -0,0 +1,54 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.monitor; + +import java.io.PrintWriter; + +import org.apache.tuscany.api.TuscanyException; +import org.apache.tuscany.api.TuscanyRuntimeException; +import org.apache.tuscany.host.monitor.ExceptionFormatter; + +/** + * Performs basics formatting of exceptions for JDK logging + * + * @version $Rev$ $Date$ + */ +public class DefaultExceptionFormatter implements ExceptionFormatter { + + public DefaultExceptionFormatter() { + } + + public boolean canFormat(Class<?> type) { + return Throwable.class.isAssignableFrom(type); + } + + public PrintWriter write(PrintWriter writer, Throwable exception) { + if (exception instanceof TuscanyException) { + TuscanyException e = (TuscanyException) exception; + e.appendContextStack(e.appendBaseMessage(writer)); + } else if (exception instanceof TuscanyRuntimeException) { + TuscanyRuntimeException e = (TuscanyRuntimeException) exception; + e.appendContextStack(e.appendBaseMessage(writer)); + } + writer.append("\n"); + return writer; + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/InvalidLevelException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/InvalidLevelException.java new file mode 100644 index 0000000000..cf07b0f914 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/InvalidLevelException.java @@ -0,0 +1,64 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.monitor; + +/** + * Exception indicating an invalid log level has been passed. + * + * @version $Rev$ $Date$ + */ +public class InvalidLevelException extends IllegalArgumentException { + private static final long serialVersionUID = 7767234706427841915L; + private final String method; + private final String level; + + /** + * Constructor specifying the method name and the level affected. + * + * @param method the name of the method being monitored + * @param level the invalid log level value + */ + public InvalidLevelException(String method, String level) { + super(); + this.method = method; + this.level = level; + } + + /** + * Returns the name of the method being monitored. + * + * @return the name of the method being monitored + */ + public String getMethod() { + return method; + } + + /** + * Returns the invalid log level specified. + * + * @return the invalid log level that was specified + */ + public String getLevel() { + return level; + } + + public String getMessage() { + return "Invalid level for method " + method + " : " + level; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/JavaLoggingMonitorFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/JavaLoggingMonitorFactory.java new file mode 100644 index 0000000000..019dcbdcd3 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/JavaLoggingMonitorFactory.java @@ -0,0 +1,321 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.monitor; + +import java.io.PrintWriter; +import java.io.StringWriter; +import java.lang.ref.WeakReference; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Locale; +import java.util.Map; +import java.util.MissingResourceException; +import java.util.Properties; +import java.util.ResourceBundle; +import java.util.WeakHashMap; +import java.util.logging.Level; +import java.util.logging.LogRecord; +import java.util.logging.Logger; + +import org.osoa.sca.annotations.Service; + +import org.apache.tuscany.api.annotation.LogLevel; +import org.apache.tuscany.host.MonitorFactory; +import org.apache.tuscany.host.monitor.ExceptionFormatter; +import org.apache.tuscany.host.monitor.FormatterRegistry; + +/** + * A factory for monitors that forwards events to a {@link java.util.logging.Logger Java Logging (JSR47) Logger}. + * + * @version $Rev$ $Date$ + * @see java.util.logging + */ +@Service(interfaces = {MonitorFactory.class, FormatterRegistry.class}) +public class JavaLoggingMonitorFactory implements MonitorFactory, FormatterRegistry { + private String bundleName; + private Level defaultLevel; + private Map<String, Level> levels; + private List<ExceptionFormatter> formatters = new ArrayList<ExceptionFormatter>(); + private ExceptionFormatter defaultFormatter = new DefaultExceptionFormatter(); + private Map<Class<?>, WeakReference<?>> proxies = new WeakHashMap<Class<?>, WeakReference<?>>(); + + /** + * Construct a MonitorFactory that will monitor the specified methods at the specified levels and generate messages + * using java.util.logging. + * <p/> + * The supplied Properties can be used to specify custom log levels for specific monitor methods. The key should be + * the method name in form returned by <code>Class.getName() + '#' + Method.getName()</code> and the value the log + * level to use as defined by {@link java.util.logging.Level}. + * + * @param levels definition of custom levels for specific monitored methods, may be null or empty. + * @param defaultLevel the default log level to use + * @param bundleName the name of a resource bundle that will be passed to the logger + * @see java.util.logging.Logger + */ + public JavaLoggingMonitorFactory(Properties levels, Level defaultLevel, String bundleName) { + Map<String, Object> configProperties = new HashMap<String, Object>(); + configProperties.put("levels", levels); + configProperties.put("defaultLevel", defaultLevel); + configProperties.put("bundleName", bundleName); + initInternal(configProperties); + } + + /** + * Constructs a MonitorFactory that needs to be subsequently configured via a call to {@link #initialize}. + */ + public JavaLoggingMonitorFactory() { + } + + public void initialize(Map<String, Object> configProperties) { + if (configProperties == null) { + return; + } + initInternal(configProperties); + } + + private void initInternal(Map<String, Object> configProperties) { + try { + this.defaultLevel = (Level) configProperties.get("defaultLevel"); + this.bundleName = (String) configProperties.get("bundleName"); + Properties levels = (Properties) configProperties.get("levels"); + + this.levels = new HashMap<String, Level>(); + if (levels != null) { + for (Map.Entry<Object, Object> entry : levels.entrySet()) { + String method = (String) entry.getKey(); + String level = (String) entry.getValue(); + try { + this.levels.put(method, Level.parse(level)); + } catch (IllegalArgumentException e) { + throw new InvalidLevelException(method, level); + } + } + } + } catch (ClassCastException cce) { + throw new IllegalArgumentException(cce.getLocalizedMessage()); + } + } + + public synchronized <T> T getMonitor(Class<T> monitorInterface) { + T proxy = getCachedMonitor(monitorInterface); + if (proxy == null) { + proxy = createMonitor(monitorInterface, bundleName); + proxies.put(monitorInterface, new WeakReference<T>(proxy)); + } + return proxy; + } + + private <T> T getCachedMonitor(Class<T> monitorInterface) { + WeakReference<?> ref = proxies.get(monitorInterface); + return (ref != null) ? monitorInterface.cast(ref.get()) : null; + } + + private <T> T createMonitor(Class<T> monitorInterface, String bundleName) { + String className = monitorInterface.getName(); + Logger logger = Logger.getLogger(className); + Method[] methods = monitorInterface.getMethods(); + Map<String, Level> levels = new HashMap<String, Level>(methods.length); + for (Method method : methods) { + String key = className + '#' + method.getName(); + Level level = null; + if (this.levels != null) { + this.levels.get(key); + } + // if not specified the in config properties, look for an annotation on the method + if (level == null) { + LogLevel annotation = method.getAnnotation(LogLevel.class); + if (annotation != null && annotation.value() != null) { + try { + level = Level.parse(annotation.value()); + } catch (IllegalArgumentException e) { + // bad value, just use the default + level = defaultLevel; + } + } + } + if (level == null) { + level = defaultLevel; + } + levels.put(method.getName(), level); + } + + ResourceBundle bundle = locateBundle(monitorInterface, bundleName); + + InvocationHandler handler = new LoggingHandler(logger, levels, bundle, formatters, defaultFormatter); + return monitorInterface + .cast(Proxy.newProxyInstance(monitorInterface.getClassLoader(), new Class<?>[]{monitorInterface}, handler)); + } + + private static <T> ResourceBundle locateBundle(Class<T> monitorInterface, String bundleName) { + Locale locale = Locale.getDefault(); + ClassLoader cl = monitorInterface.getClassLoader(); + String packageName = monitorInterface.getPackage().getName(); + while (true) { + try { + return ResourceBundle.getBundle(packageName + '.' + bundleName, locale, cl); + } catch (MissingResourceException e) { + //ok + } + int index = packageName.lastIndexOf('.'); + if (index == -1) { + break; + } + packageName = packageName.substring(0, index); + } + try { + return ResourceBundle.getBundle(bundleName, locale, cl); + } catch (Exception e) { + return null; + } + } + + public void register(ExceptionFormatter formatter) { + formatters.add(formatter); + } + + public void unregister(ExceptionFormatter formatter) { + formatters.remove(formatter); + } + + private static final class LoggingHandler implements InvocationHandler { + private final Logger logger; + private final Map<String, Level> methodLevels; + private final ResourceBundle bundle; + private List<ExceptionFormatter> formatters; + private ExceptionFormatter defaultFormatter; + + public LoggingHandler(Logger logger, + Map<String, Level> methodLevels, + ResourceBundle bundle, + List<ExceptionFormatter> formatters, + ExceptionFormatter defaultFormatter) { + this.logger = logger; + this.methodLevels = methodLevels; + this.bundle = bundle; + this.formatters = formatters; + this.defaultFormatter = defaultFormatter; + } + + public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { + String sourceMethod = method.getName(); + Level level = methodLevels.get(sourceMethod); + if (level != null && logger.isLoggable(level)) { + // construct the key for the resource bundle + String className = logger.getName(); + String key = className + '#' + sourceMethod; + + LogRecord logRecord = new LogRecord(level, key); + logRecord.setLoggerName(className); + logRecord.setSourceClassName(className); + logRecord.setSourceMethodName(sourceMethod); + logRecord.setParameters(args); + if (args != null) { + for (Object o : args) { + if (o instanceof Throwable) { + Throwable e = (Throwable) o; + ExceptionFormatter formatter = null; + for (ExceptionFormatter candidate : formatters) { + if (candidate.canFormat(e.getClass())) { + formatter = candidate; + break; + } + } + StringWriter writer = new StringWriter(); + PrintWriter pw = new PrintWriter(writer); + if (formatter != null) { + formatter.write(pw, e); + } else { + defaultFormatter.write(pw, e); + } + format(pw, e); + pw.close(); + logRecord.setMessage(writer.toString()); + break; + } + } + } + logRecord.setResourceBundle(bundle); + logger.log(logRecord); + } + return null; + } + + private void format(PrintWriter writer, Throwable throwable) { + writer.println(throwable.getClass().getName()); + StackTraceElement[] trace = throwable.getStackTrace(); + for (StackTraceElement aTrace : trace) { + writer.println("\tat " + aTrace); + } + Throwable ourCause = throwable.getCause(); + + if (ourCause != null) { + printStackTraceAsCause(writer, ourCause, trace); + } + } + + private void printStackTraceAsCause(PrintWriter pw, + Throwable throwable, + StackTraceElement[] causedTrace) { + + // Compute number of frames in common between this and caused + StackTraceElement[] trace = throwable.getStackTrace(); + int m = trace.length - 1; + int n = causedTrace.length - 1; + while (m >= 0 && n >= 0 && trace[m].equals(causedTrace[n])) { + m--; + n--; + } + int framesInCommon = trace.length - 1 - m; + + pw.println("Caused by: " + throwable.getClass().getName()); + + ExceptionFormatter formatter = null; + for (ExceptionFormatter candidate : formatters) { + if (candidate.canFormat(throwable.getClass())) { + formatter = candidate; + break; + } + } + if (formatter != null) { + formatter.write(pw, throwable); + } else { + defaultFormatter.write(pw, throwable); + } + + + for (int i = 0; i <= m; i++) { + pw.println("\tat " + trace[i]); + } + if (framesInCommon != 0) { + pw.println("\t... " + framesInCommon + " more"); + } + + // Recurse if we have a cause + Throwable ourCause = throwable.getCause(); + if (ourCause != null) { + printStackTraceAsCause(pw, ourCause, trace); + } + } + + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/MonitorFactoryUtil.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/MonitorFactoryUtil.java new file mode 100644 index 0000000000..92224d469f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/MonitorFactoryUtil.java @@ -0,0 +1,78 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.monitor; + +import org.apache.tuscany.host.MonitorFactory; + +import java.util.Map; + +/** + * Helper for creating MonitorFactory instances. + * + * @version $$Rev$$ $$Date$$ + */ + +public final class MonitorFactoryUtil { + /** + * Hide the constructor + */ + private MonitorFactoryUtil() { + } + + /** + * Creates a MonitorFactory instance of the specified type. + * @param name fully qualified classname of the desired MonitorFactory type + * @param props collection of initialization properties + * @return a configured MonitorFactory instance, or null if the factory could not be instantiated. + */ + @SuppressWarnings("unchecked") + public static MonitorFactory createMonitorFactory(String name, Map<String, Object> props) { + Class<? extends MonitorFactory> clazz; + try { + clazz = (Class<? extends MonitorFactory>) Class.forName(name); + } catch (ClassNotFoundException cnfe) { + return null; + } catch (ClassCastException cce) { + return null; + } + + return createMonitorFactory(clazz, props); + } + + /** + * Creates a MonitorFactory instance of the specified type. + * @param mfc class of the desired MonitorFactory type + * @param props collection of initialization properties + * @return a configured MonitorFactory instance, or null if the factory could not be instantiated. + */ + public static MonitorFactory createMonitorFactory(Class<? extends MonitorFactory> mfc, Map<String, Object> props) { + MonitorFactory mf; + try { + mf = mfc.newInstance(); + mf.initialize(props); + } catch (InstantiationException e) { + throw new AssertionError(e); + } catch (IllegalAccessException e) { + throw new AssertionError(e); + } + // allow IllegalArgumentException to propogate out + + return mf; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/NullMonitorFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/NullMonitorFactory.java new file mode 100644 index 0000000000..8ba3053c2f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/monitor/NullMonitorFactory.java @@ -0,0 +1,58 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.monitor; + +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.util.Map; + +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.host.MonitorFactory; + +/** + * Implementation of a {@link MonitorFactory} that produces implementations that simply return. + * + * @version $Rev$ $Date$ + */ +@EagerInit +public class NullMonitorFactory implements MonitorFactory { + /** + * Singleton wire hander that does nothing. + */ + private static final InvocationHandler NULL_MONITOR = new InvocationHandler() { + public Object invoke(Object proxy, Method method, Object[] args) { + return null; + } + }; + + public void initialize(Map<String, Object> configProperties) { + } + + public <T> T getMonitor(Class<T> monitorInterface) { + /* + * This uses a reflection proxy to implement the monitor interface which + * is a simple but perhaps not very performant solution. Performance + * might be improved by code generating an implementation with empty methods. + */ + return monitorInterface.cast( + Proxy.newProxyInstance(monitorInterface.getClassLoader(), new Class<?>[]{monitorInterface}, NULL_MONITOR)); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/IntentRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/IntentRegistryImpl.java new file mode 100644 index 0000000000..5ea24e4c9b --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/IntentRegistryImpl.java @@ -0,0 +1,167 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.policy; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import javax.xml.namespace.QName; + +import org.apache.tuscany.spi.model.Intent; +import org.apache.tuscany.spi.model.IntentName; +import org.apache.tuscany.spi.policy.IntentRegistry; + +/** + * The default implementation of a data intent registry + */ +public class IntentRegistryImpl implements IntentRegistry { + private final Map<IntentName, IntentEntry> intentRepo = new HashMap<IntentName, IntentEntry>(); + + public Collection<IntentName> getQualifiedIntents(final IntentName qualifiable, final QName artifact) { + List<IntentName> result = new ArrayList<IntentName>(); + for (IntentName intentName : intentRepo.keySet()) { + if (intentRepo.get(intentName).getAppliedArtifacts().contains(artifact) + && PolicyHelper.isQualifiedIntentFor(intentName, qualifiable, true)) { + result.add(intentName); + } + } + return result; + } + + public Collection<IntentName> inlineProfileIntent(final Collection<IntentName> intentNameList, + final QName artifact) { + + return getConcretIntentsInternal(intentNameList, artifact); + } + + private Collection<IntentName> getConcretIntentsInternal(final Collection<IntentName> intentNameList, + QName artifact) { + List<IntentName> result = new ArrayList<IntentName>(); + for (IntentName intentName : intentNameList) { + IntentEntry intentEntry = intentRepo.get(intentName); + if (!intentEntry.isProfileIntent()) { + if (intentEntry.getAppliedArtifacts().contains(artifact)) { + result.add(intentEntry.getName()); + } + } else { + result.addAll(getConcretIntentsInternal(intentEntry.getRequriedIntents(), artifact)); + } + } + return result; + } + + public boolean isApplicable(IntentName intentName, QName artifact) { + if (intentRepo.containsKey(intentName)) { + return intentRepo.get(intentName).getAppliedArtifacts().contains(artifact); + } + return false; + } + + public void register(Intent intent) { + + IntentEntry entry = new IntentEntry(intent); + // if the qualified intents have been registered, make the intent qualifiable(unqualified) + if (!getQualifiedIntents(intent.getName()).isEmpty()) { + entry.setQualified(false); + } + intentRepo.put(intent.getName(), entry); + List<IntentName> qualifiables = getAllQualifiableIntent(intent.getName()); + // set qualifiable intent of this intent unqualified + for (IntentName qualifiable : qualifiables) { + IntentEntry qualifiableEntry = intentRepo.get(qualifiable); + qualifiableEntry.setQualified(false); + for (QName artifact : intent.getAppliedArtifacts()) { + qualifiableEntry.addAppliedArtifacts(artifact); + } + } + } + + public void unRegister(Intent intent) { + if (intentRepo.containsKey(intent.getName())) { + IntentEntry intentEntry = intentRepo.get(intent.getName()); + List<QName> appliedArtifacts = intent.getAppliedArtifacts(); + for (QName artifact : appliedArtifacts) { + if (intentEntry.getAppliedArtifacts().contains(artifact)) { + intentEntry.removeappliedArtifact(artifact); + } + } + if (intentEntry.getAppliedArtifacts().isEmpty()) { + intentRepo.remove(intent.getName()); + } + } + } + + public boolean isQualifiedIntent(IntentName name) { + IntentEntry intentEntry = intentRepo.get(name); + return intentEntry.isQualified(); + } + + private List<IntentName> getQualifiedIntents(final IntentName qualifiable) { + List<IntentName> result = new ArrayList<IntentName>(); + for (IntentName intentName : intentRepo.keySet()) { + if (PolicyHelper.isQualifiedIntentFor(intentName, qualifiable, true)) { + result.add(intentName); + } + } + return result; + } + + private List<IntentName> getAllQualifiableIntent(final IntentName qualified) { + + List<IntentName> result = new ArrayList<IntentName>(); + for (IntentName intentName : intentRepo.keySet()) { + if (PolicyHelper.isQualifiedIntentFor(qualified, intentName, false)) { + result.add(intentName); + } + } + return result; + } + + /** + * Wrapper class for intent used internally + */ + private static final class IntentEntry extends Intent { + + /** + * Whether this intent is qualified, defaults to true + */ + private boolean isQualified = true; + + private IntentEntry(Intent intent) { + super(intent.getName(), intent.getDescription()); + appliedArtifacts.addAll(intent.getAppliedArtifacts()); + requriedIntents.addAll(intent.getRequriedIntents()); + } + + public boolean isQualified() { + return isQualified; + } + + public void setQualified(boolean isQualified) { + this.isQualified = isQualified; + } + + public void removeappliedArtifact(QName artifact) { + appliedArtifacts.remove(artifact); + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyBuilderRegistryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyBuilderRegistryImpl.java new file mode 100644 index 0000000000..e80d5c7b00 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyBuilderRegistryImpl.java @@ -0,0 +1,79 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.policy; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ServiceDefinition; +import org.apache.tuscany.spi.policy.PolicyBuilderRegistry; +import org.apache.tuscany.spi.policy.SourcePolicyBuilder; +import org.apache.tuscany.spi.policy.TargetPolicyBuilder; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * The default policy builder + * + * @version $Rev$ $Date$ + */ +public class PolicyBuilderRegistryImpl implements PolicyBuilderRegistry { + + private final List<List<SourcePolicyBuilder>> sourceBuilders; + private final List<List<TargetPolicyBuilder>> targetBuilders; + + public PolicyBuilderRegistryImpl() { + sourceBuilders = new ArrayList<List<SourcePolicyBuilder>>(); + targetBuilders = new ArrayList<List<TargetPolicyBuilder>>(); + for (int i = 0; i <= FINAL; i++) { + sourceBuilders.add(new ArrayList<SourcePolicyBuilder>()); + targetBuilders.add(new ArrayList<TargetPolicyBuilder>()); + } + } + + public void registerTargetBuilder(int phase, TargetPolicyBuilder builder) { + assert INITIAL <= phase && phase <= FINAL : "Illegal phase"; + targetBuilders.get(phase).add(builder); + } + + public void registerSourceBuilder(int phase, SourcePolicyBuilder builder) { + assert INITIAL <= phase && phase <= FINAL : "Illegal phase"; + sourceBuilders.get(phase).add(builder); + } + + + public void buildSource(ReferenceDefinition referenceDefinition, OutboundWire wire) throws BuilderException { + for (List<SourcePolicyBuilder> builders : sourceBuilders) { + for (SourcePolicyBuilder builder : builders) { + builder.build(referenceDefinition, wire); + } + } + } + + public void buildTarget(ServiceDefinition serviceDefinition, InboundWire wire) throws BuilderException { + for (List<TargetPolicyBuilder> builders : targetBuilders) { + for (TargetPolicyBuilder builder : builders) { + builder.build(serviceDefinition, wire); + } + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyEngineImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyEngineImpl.java new file mode 100644 index 0000000000..308e43c038 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyEngineImpl.java @@ -0,0 +1,297 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.policy; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import javax.xml.namespace.QName; + +import org.apache.tuscany.spi.model.IntentMap; +import org.apache.tuscany.spi.model.IntentName; +import org.apache.tuscany.spi.model.PolicyContentModel; +import org.apache.tuscany.spi.model.PolicyModel; +import org.apache.tuscany.spi.model.PolicySet; +import org.apache.tuscany.spi.model.PolicySetReference; +import org.apache.tuscany.spi.model.Qualifier; +import org.apache.tuscany.spi.policy.IntentRegistry; +import org.apache.tuscany.spi.policy.PolicyEngine; +import org.apache.tuscany.spi.policy.PolicySetContainer; +import org.apache.tuscany.spi.policy.SCATypeManager; + +/** + * Default implementation of a polciy engine + */ +public class PolicyEngineImpl implements PolicyEngine { + private final IntentRegistry intentRegistry; + private final PolicySetContainer policySetContainer; + private final SCATypeManager scaTypeManager; + + public PolicyEngineImpl(IntentRegistry intentRegistry, + PolicySetContainer policySetContainer, + SCATypeManager scaTypeManager) { + this.intentRegistry = intentRegistry; + this.policySetContainer = policySetContainer; + this.scaTypeManager = scaTypeManager; + } + + @SuppressWarnings("unchecked") + public Collection<PolicyModel> getPolicy(final IntentName[] requires, + final QName[] policySetNames, + final QName artifactType) { + if (requires == null || requires.length == 0) { + return Collections.EMPTY_LIST; + } + Collection<PolicyModel> result = new ArrayList<PolicyModel>(); + Collection<IntentName> requiredIntents = java.util.Arrays.asList(requires); + Collection<IntentName> matchings; + + //handle profile intents + requiredIntents = intentRegistry.inlineProfileIntent(requiredIntents, artifactType); + // + if (policySetNames != null && policySetNames.length != 0) { + Collection<PolicySet> explicitPolicySet = getExplicitPolicySet(policySetNames); + matchings = calculateExplicitPolicySet(requiredIntents, explicitPolicySet, artifactType, result); + //remove satisfied intent + requiredIntents.removeAll(matchings); + } + // + if (requiredIntents.size() > 0) { + matchings = findingAdditionalMatching(requiredIntents, artifactType, result); + requiredIntents.removeAll(matchings); + } + //If no collection of policySets covers all required intents, the configuration is not valid. + if (requiredIntents.size() > 0) { + //TODO + } + return result; + } + + + private boolean introspectPolicySet(PolicySet policySet, IntentName intent, QName artifactType, + Collection<PolicyModel> matchings) { + Collection<QName> appliedArtifacts = policySet.getAppliedArtifacts(); + boolean provide = false; + for (QName name : appliedArtifacts) { + if (this.scaTypeManager.isTypeOf(artifactType, name)) { + provide = true; + break; + } + } + if (!provide) { + return false; + } + //1. The required intent matches a provides intent in a policySet exactly. + if (policySet.getProvideIntents().contains(intent)) { + if (intentRegistry.isQualifiedIntent(intent)) { + addMatching(matchings, policySet); + } else { + Collection<IntentMap> intentMaps = policySet.getIntentMaps(); + provide = searchIntentMaps(intent, intent, matchings, intentMaps); + if (provide) { + return true; + } + } + } else if (provideAbstract(intent, policySet.getProvideIntents())) { + // 2. The provides intent is a parent (e.g. prefix) of the required intent (in this case the policySet must + // have an intentMap entry for the requested qualifier) + Collection<IntentMap> intentMaps = policySet.getIntentMaps(); + IntentName satisfiedIntent = getSatisfiedIntent(intent, policySet.getProvideIntents()); + provide = searchIntentMaps(intent, satisfiedIntent, matchings, intentMaps); + if (provide) { + return true; + } + } else if (provideQualifier(intent, policySet.getProvideIntents())) { + //3. The provides intent is more qualified than the required intent + if (intentRegistry.isQualifiedIntent(intent)) { + addMatching(matchings, policySet); + } else { + //TODO + } + } + + //handle PolicySetReference + Collection<PolicySetReference> policySetReferences = policySet.getPolicySetReferences(); + for (PolicySetReference reference : policySetReferences) { + PolicySet referencedPolicySet = policySetContainer.getPolicySet(reference.getReference()); + if (introspectPolicySet(referencedPolicySet, intent, artifactType, matchings)) { + return true; + } + } + + return false; + } + + private void addMatching(Collection<PolicyModel> matching, PolicyContentModel policy) { + if (!policy.getWsPolicyAttachments().isEmpty()) { + matching.addAll(policy.getWsPolicyAttachments()); + } + if (!policy.getPolicyExtensions().isEmpty()) { + matching.addAll(policy.getPolicyExtensions()); + } + } + + private boolean searchIntentMaps(IntentName require, + IntentName satisfiedIntent, + Collection<PolicyModel> matchings, + Collection<IntentMap> intentMaps) { + String qualifierName = getQualifierName(require, satisfiedIntent, intentMaps); + for (IntentMap intentMap : intentMaps) { + if (intentMap.getProvideIntents().contains(qualifierName)) { + Collection<Qualifier> qualifiers = intentMap.getQualifiers(); + for (Qualifier qualifier : qualifiers) { + String nextQualifier = getNextQualifier(require, satisfiedIntent, intentMap); + if (qualifier.getName().equals(nextQualifier)) { + if (intentRegistry + .isQualifiedIntent(new IntentName(satisfiedIntent.toString() + "/" + nextQualifier))) { + addMatching(matchings, qualifier); + return true; + } else { + require = new IntentName(require.toString() + "/" + intentMap.getDefaultProvideIntent()); + satisfiedIntent = new IntentName(satisfiedIntent.toString() + "/" + qualifierName); + intentMaps = new ArrayList<IntentMap>(0); + intentMaps.add(qualifier.getIntentMap()); + searchIntentMaps(require, satisfiedIntent, matchings, intentMaps); + } + break; + } + } + } + } + return false; + } + + private String getQualifierName(IntentName require, IntentName satisfiedIntent, Collection<IntentMap> intentMaps) { + String[] requrieQualifiers = require.getQualifiedNames(); + String[] satisfiedQualifiers = satisfiedIntent.getQualifiedNames(); + if (requrieQualifiers.length == satisfiedQualifiers.length) { + return requrieQualifiers[requrieQualifiers.length - 1]; + } else if (requrieQualifiers.length > satisfiedQualifiers.length) { + return satisfiedQualifiers[satisfiedQualifiers.length - 1]; + } + //TODO raise exception + return null; + } + + private String getNextQualifier(IntentName require, IntentName satisfiedIntent, IntentMap intentMap) { + String[] requrieQualifiers = require.getQualifiedNames(); + String[] satisfiedQualifiers = satisfiedIntent.getQualifiedNames(); + if (requrieQualifiers.length > satisfiedQualifiers.length) { + return requrieQualifiers[satisfiedQualifiers.length]; + } else { + return intentMap.getDefaultProvideIntent(); + } + } + + private IntentName getSatisfiedIntent(IntentName require, Collection<IntentName> provides) { + for (IntentName name : provides) { + if (PolicyHelper.isQualifiedIntentFor(require, name, true)) { + return name; + } + } + //TODO raise exception + return null; + } + + private boolean provideAbstract(IntentName require, Collection<IntentName> provides) { + for (IntentName name : provides) { + if (PolicyHelper.isQualifiedIntentFor(require, name, true)) { + return true; + } + } + return false; + } + + private boolean provideQualifier(IntentName require, Collection<IntentName> provides) { + for (IntentName name : provides) { + if (PolicyHelper.isQualifiedIntentFor(name, require, true)) { + return true; + } + } + return false; + } + + private Collection<PolicySet> getExplicitPolicySet(QName[] policySetNames) { + Collection<PolicySet> result = new ArrayList<PolicySet>(); + for (QName policySetName : policySetNames) { + PolicySet set = policySetContainer.getPolicySet(policySetName); + if (set != null) { + result.add(set); + } + } + return result; + } + + /** + * Step C. Calculate the list of explicitly specified policySets that apply to the target element as follows: 1. + * Start with the list of policySets specified in the element's policySet attribute. 2. If any of these explicitly + * listed policySets has an XPath expression in its appliesTo attribute that does not match the target element + * (binding or implementation) then the composite is invalid. It does not match if the XPath returns a result set + * that corresponds to XPath false. For example, a policySet could have appliesTo=”binding.ws/soaphttp”. This would + * return false if the target element is a <binding.jms…/> element. 3. Include the values of policySet attributes + * from ancestor elements. 4. Remove any policySet where the XPath expression in that policySet’s appliesTo + * attribute does not match the target element. + * <p/> + * + * @param requires + * @param policies + * @return intent names was satisfied by this step. + */ + private Collection<IntentName> calculateExplicitPolicySet(Collection<IntentName> requires, + Collection<PolicySet> policies, + QName artifactType, + Collection<PolicyModel> matchings) { + Collection<IntentName> satisfied = new ArrayList<IntentName>(); + for (IntentName intent : requires) { + for (PolicySet policySet : policies) { + if (introspectPolicySet(policySet, intent, artifactType, matchings)) { + satisfied.add(intent); + } + } + } + return satisfied; + } + + /** + * * The remaining required intents, if any, are provided by finding additional matching policySets within the SCA + * system. E. Choose the smallest collection of these policySets that match all remaining required intents. A + * policySet matches a required intent if any of the following are true: 1. The required intent matches a provides + * intent in a policySet exactly. 2. The provides intent is a parent (e.g. prefix) of the required intent (in this + * case the policySet must have an intentMap entry for the requested qualifier) 3. The provides intent is more + * qualified than the required intent All intents should now be satisfied. + * + * @param remainings + * @param artifactType + * @param matchings + */ + private Collection<IntentName> findingAdditionalMatching(final Collection<IntentName> remainings, + QName artifactType, + Collection<PolicyModel> matchings) { + Collection<IntentName> satisfied = new ArrayList<IntentName>(); + Collection<PolicySet> policies = this.policySetContainer.getAllPolicySet(); + for (IntentName intent : remainings) { + for (PolicySet policySet : policies) { + if (introspectPolicySet(policySet, intent, artifactType, matchings)) { + satisfied.add(intent); + } + } + } + return satisfied; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyHelper.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyHelper.java new file mode 100644 index 0000000000..50c94aaf13 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyHelper.java @@ -0,0 +1,65 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.policy; + +import org.apache.tuscany.spi.model.IntentName; + +/** + * Contains utility methods for dealing with policies + */ +public final class PolicyHelper { + + private PolicyHelper() { + } + + /** + * Whether <code>qualified</code> is qualified intent for <code>qualifiable</code> + * <p/> + * For example: sec.confidentiality/message is direct qualifier for sec.confidentiality. + * sec.confidentiality/message/body is qualifier for sec.confidentiality, but not a direct qualifier + * + * @param qualified qualified intent name + * @param qualifiable qualifiable intent name + * @param direct indicate whether to expect <code>qualified</code> is direct qualified intent for + * <code>qualifiable</code> + * @return whether <code>qualified</code> is qualified intent for <code>qualifiable</code> + */ + public static boolean isQualifiedIntentFor(final IntentName qualified, + final IntentName qualifiable, + boolean direct) { + if (qualified.equals(qualifiable) || !qualified.getDomain().equals(qualifiable.getDomain())) { + return false; + } + boolean result = true; + String[] shortArray = qualifiable.getQualifiedNames(); + String[] longArray = qualified.getQualifiedNames(); + if (longArray.length - shortArray.length < 1 && !direct) { + return false; + } else if (direct && longArray.length - shortArray.length != 1) { + return false; + } + for (int i = 0; i < shortArray.length; i++) { + if (!shortArray[i].equals(longArray[i])) { + result = false; + break; + } + } + return result; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/property/PropertyHelper.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/property/PropertyHelper.java new file mode 100644 index 0000000000..77e3a6829f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/property/PropertyHelper.java @@ -0,0 +1,197 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.property; + +import java.io.InputStream; +import java.net.URI; +import java.net.URL; +import java.util.Iterator; +import java.util.Map; + +import javax.xml.namespace.NamespaceContext; +import javax.xml.parsers.ParserConfigurationException; +import javax.xml.xpath.XPath; +import javax.xml.xpath.XPathConstants; +import javax.xml.xpath.XPathExpression; +import javax.xml.xpath.XPathExpressionException; +import javax.xml.xpath.XPathFactory; + +import org.apache.tuscany.core.databinding.xml.InputStream2Node; +import org.apache.tuscany.spi.databinding.extension.DOMHelper; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.loader.InvalidValueException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.PropertyValue; +import org.w3c.dom.Document; +import org.w3c.dom.Node; + +/** + * The property factory backed by the DataBindingframework + */ +public final class PropertyHelper { + + private static final XPathFactory FACTORY = XPathFactory.newInstance(); + + private PropertyHelper() { + } + + public static Document evaluate(NamespaceContext nsContext, Node node, String xPathExpression) + throws XPathExpressionException, ParserConfigurationException { + XPath path = FACTORY.newXPath(); + if (nsContext != null) { + path.setNamespaceContext(nsContext); + } else { + path.setNamespaceContext(new DOMNamespeceContext(node)); + } + XPathExpression expression = path.compile(xPathExpression); + Node result = (Node)expression.evaluate(node, XPathConstants.NODE); + if (result == null) { + return null; + } + + // TODO: How to wrap the result into a Document? + Document document = DOMHelper.newDocument(); + if (result instanceof Document) { + return document; + } else { + document.appendChild(document.importNode(result, true)); + return document; + } + } + + public static Document loadFromFile(String file, DeploymentContext deploymentContext) + throws LoaderException { + try { + URI uri = URI.create(file); + URL url = null; + if (!uri.isAbsolute()) { + url = deploymentContext.getClassLoader().getResource(file); + } else { + url = uri.toURL(); + } + InputStream is = url.openStream(); + try { + InputStream2Node transformer = new InputStream2Node(); + return (Document)transformer.transform(is, null); + } finally { + is.close(); + } + } catch (Exception e) { + throw new LoaderException(e); + } + } + + @SuppressWarnings("unchecked") + public static void processProperties(CompositeComponentType<?, ?, Property<?>> parent, + ComponentDefinition<? extends Implementation<?>> componentDefinition, + DeploymentContext deploymentContext) throws LoaderException { + Map<String, PropertyValue<?>> propertyValues = componentDefinition.getPropertyValues(); + for (PropertyValue propValue : propertyValues.values()) { + Document node = propValue.getValue(); + String source = propValue.getSource(); + String file = propValue.getFile(); + if (source != null) { + try { + // $<name>/... + int index = source.indexOf('/'); + if (index == -1) { + // Tolerating $prop + source = source + "/"; + index = source.length() - 1; + } + if (source.charAt(0) == '$') { + String name = source.substring(1, index); + Property<?> compositeProp = parent.getProperties().get(name); + if (compositeProp == null) { + InvalidValueException ex = + new InvalidValueException( + "The 'source' cannot be resolved to a composite property"); + ex.addContextName(source); + throw ex; + } + Document document = compositeProp.getDefaultValue(); + // Adding /value because the document root is "value" + String path = source.substring(index); + String xpath = null; + if ("/".equals(path)) { + // trailing / is not legal for xpath + xpath = "/value"; + } else { + xpath = "/value" + path; + } + + // FIXME: How to deal with namespaces? + node = evaluate(null, document, xpath); + propValue.setValue(node); + Property<?> prop = + (Property<?>)componentDefinition.getImplementation().getComponentType() + .getProperties().get(propValue.getName()); + propValue + .setValueFactory(new SimplePropertyObjectFactory(prop, propValue.getValue())); + } else { + InvalidValueException ex = + new InvalidValueException("The 'source' has an invalid value"); + ex.addContextName(source); + throw ex; + } + } catch (Exception e) { + throw new LoaderException(e); + } + } else if (file != null) { + node = loadFromFile(propValue.getFile(), deploymentContext); + propValue.setValue(node); + Property<?> prop = + (Property<?>)componentDefinition.getImplementation().getComponentType().getProperties() + .get(propValue.getName()); + propValue.setValueFactory(new SimplePropertyObjectFactory(prop, propValue.getValue())); + } + } + } + + private static class DOMNamespeceContext implements NamespaceContext { + private Node node; + + /** + * @param node + */ + public DOMNamespeceContext(Node node) { + super(); + this.node = node; + } + + public String getNamespaceURI(String prefix) { + return node.lookupNamespaceURI(prefix); + } + + public String getPrefix(String namespaceURI) { + return node.lookupPrefix(namespaceURI); + } + + public Iterator getPrefixes(String namespaceURI) { + return null; + } + + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/property/PropertyObjectFactoryImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/property/PropertyObjectFactoryImpl.java new file mode 100644 index 0000000000..acb1403228 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/property/PropertyObjectFactoryImpl.java @@ -0,0 +1,96 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.property; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.core.databinding.xml.DOMDataBinding; +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.databinding.DataBinding; +import org.apache.tuscany.spi.databinding.DataBindingRegistry; +import org.apache.tuscany.spi.databinding.Mediator; +import org.apache.tuscany.spi.idl.ElementInfo; +import org.apache.tuscany.spi.idl.TypeInfo; +import org.apache.tuscany.spi.loader.PropertyObjectFactory; +import org.apache.tuscany.spi.model.DataType; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.PropertyValue; +import org.osoa.sca.annotations.Constructor; +import org.osoa.sca.annotations.Scope; +import org.osoa.sca.annotations.Service; +import org.w3c.dom.Node; + +@Service(PropertyObjectFactory.class) +@Scope("COMPOSITE") +public class PropertyObjectFactoryImpl implements PropertyObjectFactory { + private DataBindingRegistry registry; + private Mediator mediator; + + public PropertyObjectFactoryImpl() { + } + + @Constructor({"registry", "mediator"}) + public PropertyObjectFactoryImpl(@Autowire DataBindingRegistry registry, @Autowire Mediator mediator) { + super(); + this.registry = registry; + this.mediator = mediator; + } + + public <T> ObjectFactory<T> createObjectFactory(Property<T> property, PropertyValue<T> value) { + if (mediator == null) { + return new SimplePropertyObjectFactory<T>(property, value.getValue()); + } + return new ObjectFactoryImpl<T>(property, value); + } + + public class ObjectFactoryImpl<P> implements ObjectFactory<P> { + private Property<P> property; + private PropertyValue<P> propertyValue; + private DataType<QName> sourceDataType; + private DataType<?> targetDataType; + + public ObjectFactoryImpl(Property<P> property, PropertyValue<P> propertyValue) { + this.property = property; + this.propertyValue = propertyValue; + sourceDataType = new DataType<QName>(DOMDataBinding.NAME, Node.class, this.property.getXmlType()); + TypeInfo typeInfo = new TypeInfo(property.getXmlType(), true, null); + ElementInfo elementInfo = new ElementInfo(null, typeInfo); + sourceDataType.setMetadata(ElementInfo.class.getName(), elementInfo); + Class javaType = this.property.getJavaType(); + String dataBinding = (String)property.getExtensions().get(DataBinding.class.getName()); + if (dataBinding != null) { + targetDataType = new DataType<Class>(dataBinding, javaType, javaType); + } else { + targetDataType = registry.introspectType(javaType); + if (targetDataType == null) { + targetDataType = new DataType<Class>("java.lang.Object", javaType, javaType); + } + } + } + + @SuppressWarnings("unchecked") + public P getInstance() throws ObjectCreationException { + return (P)mediator.mediate(propertyValue.getValue(), sourceDataType, targetDataType, null); + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/property/SimplePropertyObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/property/SimplePropertyObjectFactory.java new file mode 100644 index 0000000000..b291eb8d96 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/property/SimplePropertyObjectFactory.java @@ -0,0 +1,63 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.core.property; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.databinding.extension.SimpleTypeMapperExtension; +import org.apache.tuscany.spi.idl.TypeInfo; +import org.apache.tuscany.spi.model.Property; +import org.w3c.dom.Document; + +public class SimplePropertyObjectFactory<P> implements ObjectFactory<P> { + private SimpleTypeMapperExtension typeMapper; + private Property<P> property; + private Document value; + private P instance; + + public SimplePropertyObjectFactory(Property<P> property, Document value) { + super(); + this.property = property; + this.value = (value == null) ? property.getDefaultValue() : value; + this.typeMapper = new SimpleTypeMapperExtension(); + } + + @SuppressWarnings("unchecked") + public P getInstance() throws ObjectCreationException { + if (value == null) { + return null; + } + if (instance == null) { + String text = value.getDocumentElement().getTextContent(); + TypeInfo xmlType = null; + if (property.getJavaType() == null) { + xmlType = new TypeInfo(property.getXmlType(), true, null); + } else { + xmlType = typeMapper.getXMLType(property.getJavaType()); + } + if (xmlType == null) { + throw new IllegalArgumentException("Complex property is not supported."); + } + instance = (P)typeMapper.toJavaObject(xmlType, text, null); + } + return instance; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java new file mode 100644 index 0000000000..9a91c9569d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java @@ -0,0 +1,311 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.runtime; + +import java.net.URL; +import javax.xml.stream.XMLInputFactory; + +import org.osoa.sca.CompositeContext; + +import org.apache.tuscany.core.bootstrap.Bootstrapper; +import org.apache.tuscany.core.bootstrap.DefaultBootstrapper; +import org.apache.tuscany.core.implementation.system.model.SystemCompositeImplementation; +import org.apache.tuscany.core.monitor.NullMonitorFactory; +import org.apache.tuscany.core.launcher.CompositeContextImpl; +import org.apache.tuscany.host.MonitorFactory; +import org.apache.tuscany.host.RuntimeInfo; +import org.apache.tuscany.host.management.ManagementService; +import org.apache.tuscany.host.runtime.InitializationException; +import org.apache.tuscany.host.runtime.TuscanyRuntime; +import org.apache.tuscany.spi.bootstrap.RuntimeComponent; +import org.apache.tuscany.spi.bootstrap.ComponentNames; +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.component.ComponentException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.ComponentRegistrationException; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.deployer.Deployer; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.CompositeImplementation; +import org.apache.tuscany.spi.services.management.TuscanyManagementService; +import org.apache.tuscany.spi.wire.WireService; + +/** + * @version $Rev$ $Date$ + */ +public abstract class AbstractRuntime implements TuscanyRuntime { + private final XMLInputFactory xmlFactory; + private URL systemScdl; + private String applicationName; + private URL applicationScdl; + private ClassLoader hostClassLoader; + private ClassLoader applicationClassLoader; + private RuntimeInfo runtimeInfo; + private MonitorFactory monitorFactory; + private ManagementService<?> managementService; + + private RuntimeComponent runtime; + private CompositeComponent systemComponent; + private CompositeComponent tuscanySystem; + private Deployer deployer; + private WireService wireService; + + protected AbstractRuntime() { + this(new NullMonitorFactory()); + } + + protected AbstractRuntime(MonitorFactory monitorFactory) { + this.monitorFactory = monitorFactory; + xmlFactory = XMLInputFactory.newInstance("javax.xml.stream.XMLInputFactory", getClass().getClassLoader()); + } + + public URL getSystemScdl() { + return systemScdl; + } + + public void setSystemScdl(URL systemScdl) { + this.systemScdl = systemScdl; + } + + public String getApplicationName() { + return applicationName; + } + + public void setApplicationName(String applicationName) { + this.applicationName = applicationName; + } + + public URL getApplicationScdl() { + return applicationScdl; + } + + public void setApplicationScdl(URL applicationScdl) { + this.applicationScdl = applicationScdl; + } + + public ClassLoader getApplicationClassLoader() { + return applicationClassLoader; + } + + public void setApplicationClassLoader(ClassLoader applicationClassLoader) { + this.applicationClassLoader = applicationClassLoader; + } + + public ClassLoader getHostClassLoader() { + return hostClassLoader; + } + + public void setHostClassLoader(ClassLoader hostClassLoader) { + this.hostClassLoader = hostClassLoader; + } + + public RuntimeInfo getRuntimeInfo() { + return runtimeInfo; + } + + public void setRuntimeInfo(RuntimeInfo runtimeInfo) { + this.runtimeInfo = runtimeInfo; + } + + public MonitorFactory getMonitorFactory() { + return monitorFactory; + } + + public void setMonitorFactory(MonitorFactory monitorFactory) { + this.monitorFactory = monitorFactory; + } + + public ManagementService<?> getManagementService() { + return managementService; + } + + public void setManagementService(ManagementService<?> managementService) { + this.managementService = managementService; + } + + protected XMLInputFactory getXMLFactory() { + return xmlFactory; + } + + protected RuntimeComponent getRuntime() { + return runtime; + } + + protected CompositeComponent getSystemComponent() { + return systemComponent; + } + + protected CompositeComponent getTuscanySystem() { + return tuscanySystem; + } + + protected Deployer getDeployer() { + return deployer; + } + + protected WireService getWireService() { + return wireService; + } + + public void initialize() throws InitializationException { + Bootstrapper bootstrapper = createBootstrapper(); + runtime = bootstrapper.createRuntime(); + runtime.start(); + + systemComponent = runtime.getSystemComponent(); + registerSystemComponents(); + systemComponent.start(); + + // deploy the system scdl + try { + tuscanySystem = deploySystemScdl(bootstrapper.createDeployer(), + systemComponent, + ComponentNames.TUSCANY_SYSTEM, + getSystemScdl(), + getClass().getClassLoader()); + } catch (LoaderException e) { + throw new InitializationException(e); + } catch (BuilderException e) { + throw new InitializationException(e); + } catch (ComponentException e) { + throw new InitializationException(e); + } + tuscanySystem.start(); + + this.deployer = locateDeployer(); + this.wireService = locateWireService(); + } + + public void destroy() { + this.wireService = null; + this.deployer = null; + if (tuscanySystem != null) { + tuscanySystem.stop(); + tuscanySystem = null; + } + if (systemComponent != null) { + systemComponent.stop(); + systemComponent = null; + } + if (runtime != null) { + runtime.stop(); + runtime = null; + } + } + + + + protected Bootstrapper createBootstrapper() { + TuscanyManagementService tms = (TuscanyManagementService) getManagementService(); + return new DefaultBootstrapper(getMonitorFactory(), xmlFactory, tms); + } + + protected void registerSystemComponents() throws InitializationException { + try { + systemComponent.registerJavaObject(RuntimeInfo.COMPONENT_NAME, RuntimeInfo.class, runtimeInfo); + systemComponent.registerJavaObject("MonitorFactory", MonitorFactory.class, getMonitorFactory()); + } catch (ComponentRegistrationException e) { + throw new InitializationException(e); + } + } + + protected Deployer locateDeployer() throws InitializationException { + SCAObject deployerComponent = tuscanySystem.getSystemChild(ComponentNames.TUSCANY_DEPLOYER); + if (!(deployerComponent instanceof AtomicComponent)) { + throw new InitializationException("Deployer must be an atomic component"); + } + try { + return (Deployer)((AtomicComponent)deployerComponent).getTargetInstance(); + } catch (TargetResolutionException e) { + throw new InitializationException(e); + } + } + + protected WireService locateWireService() throws InitializationException { + SCAObject wireServiceComponent = tuscanySystem.getSystemChild(ComponentNames.TUSCANY_WIRE_SERVICE); + if (!(wireServiceComponent instanceof AtomicComponent)) { + throw new InitializationException("WireService must be an atomic component"); + } + try { + return (WireService)((AtomicComponent)wireServiceComponent).getTargetInstance(); + } catch (TargetResolutionException e) { + throw new InitializationException(e); + } + } + + protected CompositeComponent deploySystemScdl(Deployer deployer, + CompositeComponent parent, + String name, + URL systemScdl, + ClassLoader systemClassLoader) + throws LoaderException, BuilderException, ComponentException { + + SystemCompositeImplementation impl = new SystemCompositeImplementation(); + impl.setScdlLocation(systemScdl); + impl.setClassLoader(systemClassLoader); + ComponentDefinition<SystemCompositeImplementation> definition = + new ComponentDefinition<SystemCompositeImplementation>(name, impl); + + return (CompositeComponent) deployer.deploy(parent, definition); + } + + @Deprecated + public CompositeContext deployApplication(String name, URL scdlLocation, ClassLoader classLoader) + throws InitializationException { + try { + CompositeComponent application = deployApplicationScdl(getDeployer(), + getRuntime().getRootComponent(), + name, + scdlLocation, + classLoader); + application.start(); + return new CompositeContextImpl(application, getWireService()); + } catch (LoaderException ex) { + throw new InitializationException(ex); + } catch (BuilderException ex) { + throw new InitializationException(ex); + } catch (ComponentException ex) { + throw new InitializationException(ex); + } + } + + protected CompositeComponent deployApplicationScdl(Deployer deployer, + CompositeComponent parent, + String name, + URL applicationScdl, + ClassLoader applicationClassLoader) + throws LoaderException, BuilderException, ComponentException { + + CompositeImplementation impl = new CompositeImplementation(); + impl.setScdlLocation(applicationScdl); + impl.setClassLoader(applicationClassLoader); + ComponentDefinition<CompositeImplementation> definition = + new ComponentDefinition<CompositeImplementation>(name, impl); + + return (CompositeComponent) deployer.deploy(parent, definition); + } + + public CompositeContext getContext() { + throw new UnsupportedOperationException(); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/artifact/LocalMavenRepository.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/artifact/LocalMavenRepository.java new file mode 100644 index 0000000000..f50e8544a3 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/artifact/LocalMavenRepository.java @@ -0,0 +1,100 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.artifact; + +import java.io.File; +import java.net.MalformedURLException; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.util.Collection; + +import org.osoa.sca.annotations.Property; + +import org.apache.tuscany.spi.services.artifact.Artifact; +import org.apache.tuscany.spi.services.artifact.ArtifactRepository; + +/** + * An implementation of ArtifactRepository that uses a local Maven2 repository. + * + * @version $Rev$ $Date$ + */ +public class LocalMavenRepository implements ArtifactRepository { + private File localRepo; + + /** + * Constructor specifying the location of the local repo. Relative paths are resolved against the user's home + * directory. + * + * @param repoPath the path to the local repo + */ + public LocalMavenRepository(@Property(name = "repository") String repoPath) { + String home = AccessController.doPrivileged(new PrivilegedAction<String>() { + public String run() { + return System.getProperty("user.home"); + } + }); + this.localRepo = new File(home, repoPath); + } + + public void resolve(Artifact artifact) { + if (artifact.getUrl() != null) { + return; + } + + String path = getPath(artifact); + File artifactFile = new File(localRepo, path); + if (artifactFile.exists()) { + try { + artifact.setUrl(artifactFile.toURI().toURL()); + } catch (MalformedURLException e) { + // toURI should have escaped the filename to allow it to be converted to a URL + throw new AssertionError(); + } + } + } + + /** + * Return the path into the repo for an artifact. The path for an artifact is ${group.replace('.', + * '/')}/$[name}/${version}/${name}-${version}[-${classifier}].${type} + * + * @param artifact the artifact to resolve + * @return the path into the repo for the artifact + */ + protected String getPath(Artifact artifact) { + StringBuilder builder = new StringBuilder(); + if (artifact.getGroup() != null) { + builder.append(artifact.getGroup().replace('.', '/')).append('/'); + } + builder.append(artifact.getName()).append('/'); + builder.append(artifact.getVersion()).append('/'); + + builder.append(artifact.getName()).append('-').append(artifact.getVersion()); + if (artifact.getClassifier() != null) { + builder.append('-').append(artifact.getClassifier()); + } + builder.append('.').append(artifact.getType()); + return builder.toString(); + } + + public void resolve(Collection<? extends Artifact> artifacts) { + for (Artifact artifact : artifacts) { + resolve(artifact); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/AssemblyServiceImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/AssemblyServiceImpl.java new file mode 100644 index 0000000000..e264663dd4 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/AssemblyServiceImpl.java @@ -0,0 +1,83 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.deployment; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; +import java.net.URLConnection; +import java.util.Map; +import java.util.HashMap; + +import org.apache.tuscany.host.deployment.AssemblyService; +import org.apache.tuscany.host.deployment.DeploymentException; +import org.apache.tuscany.host.deployment.UnsupportedContentTypeException; +import org.apache.tuscany.spi.deployer.ChangeSetHandlerRegistry; +import org.apache.tuscany.spi.deployer.ChangeSetHandler; + +/** + * @version $Rev$ $Date$ + */ +public class AssemblyServiceImpl implements AssemblyService, ChangeSetHandlerRegistry { + private final Map<String, ChangeSetHandler> registry = new HashMap<String, ChangeSetHandler>(); + + public void applyChanges(URL changeSet) throws DeploymentException, IOException { + if (changeSet == null) { + throw new IllegalArgumentException("changeSet is null"); + } + + URLConnection connection = changeSet.openConnection(); + String contentType = connection.getContentType(); + //todo try and figure out content type from the URL + if (contentType == null) { + throw new UnsupportedContentTypeException(null, changeSet.toString()); + } + + InputStream is = connection.getInputStream(); + try { + applyChanges(is, contentType); + } finally { + try { + is.close(); + } catch (IOException e) { + // ignore + } + } + } + + public void applyChanges(InputStream changeSet, String contentType) throws DeploymentException, IOException { + if (changeSet == null) { + throw new IllegalArgumentException("changeSet is null"); + } + if (contentType == null) { + throw new IllegalArgumentException("contentType is null"); + } + + ChangeSetHandler handler = registry.get(contentType); + if (handler == null) { + throw new UnsupportedContentTypeException(contentType); + } + + handler.applyChanges(changeSet); + } + + public void register(ChangeSetHandler handler) { + registry.put(handler.getContentType(), handler); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/ContributionServiceImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/ContributionServiceImpl.java new file mode 100644 index 0000000000..64fec4e246 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/ContributionServiceImpl.java @@ -0,0 +1,90 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.deployment; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.URL; +import java.net.URLConnection; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.host.deployment.ContributionService; +import org.apache.tuscany.host.deployment.DeploymentException; +import org.apache.tuscany.host.deployment.UnsupportedContentTypeException; +import org.apache.tuscany.spi.deployer.ContributionProcessor; +import org.apache.tuscany.spi.deployer.ContributionProcessorRegistry; + +/** + * @version $Rev$ $Date$ + */ +public class ContributionServiceImpl implements ContributionService, ContributionProcessorRegistry { + private Map<String, ContributionProcessor> registry = new HashMap<String, ContributionProcessor>(); + + public void register(ContributionProcessor processor) { + registry.put(processor.getContentType(), processor); + } + + public URI contribute(URL contribution) throws DeploymentException, IOException { + if (contribution == null) { + throw new IllegalArgumentException("contribution is null"); + } + + URI source; + try { + source = contribution.toURI(); + } catch (URISyntaxException e) { + throw new IllegalArgumentException("contribution cannot be converted to a URI", e); + } + + URLConnection connection = contribution.openConnection(); + String contentType = connection.getContentType(); + //todo try and figure out content type from the URL + if (contentType == null) { + throw new UnsupportedContentTypeException(null, contribution.toString()); + } + + InputStream is = connection.getInputStream(); + try { + return contribute(source, is, contentType); + } finally { + try { + is.close(); + } catch (IOException e) { + // ignore + } + } + } + + public URI contribute(URI source, InputStream contribution, String contentType) + throws DeploymentException, IOException { + if (contentType == null) { + throw new IllegalArgumentException("contentType was null"); + } + + ContributionProcessor processor = registry.get(contentType); + if (processor == null) { + throw new UnsupportedContentTypeException(contentType, source.toString()); + } + + return null; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/InvalidDocumentException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/InvalidDocumentException.java new file mode 100644 index 0000000000..f509929f29 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/InvalidDocumentException.java @@ -0,0 +1,32 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.deployment; + +import org.apache.tuscany.host.deployment.DeploymentException; + +/** + * Exception that indicates that the supplied XML Document invalid. + * + * @version $Rev$ $Date$ + */ +public class InvalidDocumentException extends DeploymentException { + protected InvalidDocumentException(String rootElement) { + super(rootElement); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/XMLChangeSetHandler.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/XMLChangeSetHandler.java new file mode 100644 index 0000000000..87f68340e2 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/XMLChangeSetHandler.java @@ -0,0 +1,132 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.deployment; + +import java.io.IOException; +import java.io.InputStream; +import javax.xml.namespace.QName; +import javax.xml.stream.XMLInputFactory; +import static javax.xml.stream.XMLStreamConstants.END_DOCUMENT; +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.spi.bootstrap.RuntimeComponent; +import org.apache.tuscany.spi.builder.Builder; +import org.apache.tuscany.spi.builder.BuilderException; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.ComponentRegistrationException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.PrepareException; +import org.apache.tuscany.spi.deployer.ChangeSetHandler; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.loader.Loader; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.model.ComponentDefinition; + +import org.apache.tuscany.core.deployer.RootDeploymentContext; +import org.apache.tuscany.host.deployment.ContentTypes; +import org.apache.tuscany.host.deployment.DeploymentException; + +/** + * @version $Rev$ $Date$ + */ +public class XMLChangeSetHandler implements ChangeSetHandler { + private static final String NS = "http://tuscany.apache.org/xmlns/1.0-SNAPSHOT"; + private static final QName CHANGESET = new QName(NS, "changeSet"); + private static final QName CREATECOMPONENT = new QName(NS, "createComponent"); + + private final RuntimeComponent runtime; + private final Builder builder; + private final Loader loader; + private final XMLInputFactory xmlFactory; + + public XMLChangeSetHandler(RuntimeComponent runtime, Loader loader, Builder builder) { + this.runtime = runtime; + this.loader = loader; + this.builder = builder; + xmlFactory = XMLInputFactory.newInstance("javax.xml.stream.XMLInputFactory", getClass().getClassLoader()); + } + + public String getContentType() { + return ContentTypes.CHANGESET_XML; + } + + public void applyChanges(InputStream changeSet) throws DeploymentException, IOException { + try { + XMLStreamReader xmlReader = xmlFactory.createXMLStreamReader(changeSet); + while (true) { + switch (xmlReader.next()) { + case START_ELEMENT: + if (!CHANGESET.equals(xmlReader.getName())) { + throw new InvalidDocumentException(xmlReader.getName().toString()); + } + processChanges(xmlReader); + break; + case END_DOCUMENT: + return; + } + } + } catch (XMLStreamException e) { + throw (IOException) new IOException(e.getMessage()).initCause(e); + } + } + + public void processChanges(XMLStreamReader xmlReader) throws XMLStreamException, DeploymentException { + while (true) { + switch (xmlReader.next()) { + case START_ELEMENT: + if (CREATECOMPONENT.equals(xmlReader.getName())) { + createComponent(xmlReader); + } else { + // reject unrecognized commands + throw new InvalidDocumentException(xmlReader.getName().toString()); + } + break; + case END_ELEMENT: + return; + } + } + } + + public void createComponent(XMLStreamReader xmlReader) throws XMLStreamException { + DeploymentContext deploymentContext = new RootDeploymentContext(null, xmlFactory, null, null); + CompositeComponent parent = runtime.getRootComponent(); + try { + ComponentDefinition<?> componentDefinition = + (ComponentDefinition<?>) loader.load(parent, null, xmlReader, deploymentContext); + Component component = builder.build(parent, componentDefinition, deploymentContext); + component.prepare(); + parent.register(component); + } catch (LoaderException e) { + // FIXME throw something appropriate + throw new AssertionError("FIXME"); + } catch (BuilderException e) { + // FIXME throw something appropriate + throw new AssertionError("FIXME"); + } catch (PrepareException e) { + // FIXME throw something appropriate + throw new AssertionError("FIXME"); + } catch (ComponentRegistrationException e) { + // FIXME throw something appropriate + throw new AssertionError("FIXME"); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/extension/AbstractExtensionDeployer.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/extension/AbstractExtensionDeployer.java new file mode 100644 index 0000000000..cc3339e2b7 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/extension/AbstractExtensionDeployer.java @@ -0,0 +1,122 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.extension; + +import java.io.File; +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; + +import org.apache.tuscany.core.implementation.system.model.SystemCompositeImplementation; +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.ComponentException; +import org.apache.tuscany.spi.deployer.CompositeClassLoader; +import org.apache.tuscany.spi.deployer.Deployer; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.builder.BuilderException; + +/** + * @version $Rev$ $Date$ + */ +public class AbstractExtensionDeployer { + protected Deployer deployer; + protected CompositeComponent parent; + + @Autowire + public void setDeployer(Deployer deployer) { + this.deployer = deployer; + } + + @Autowire + public void setParent(CompositeComponent parent) { + this.parent = parent; + } + + protected void deployExtension(File file) { + // extension name is file name less any extension + String name = file.getName(); + int dot = name.lastIndexOf('.'); + if (dot > 0) { + name = name.substring(0, dot); + } + URL url; + try { + url = file.toURI().toURL(); + } catch (MalformedURLException e) { + // toURI should have encoded the URL + throw new AssertionError(); + } + + deployExtension(name, url); + } + + protected void deployExtension(String name, URL url) { + // FIXME for now, assume this class's ClassLoader is the Tuscany system classloader + // FIXME we should really use the one associated with the parent composite + CompositeClassLoader extensionCL = new CompositeClassLoader(getClass().getClassLoader()); + + // see if the URL points to a composite JAR by looking for a default SCDL file inside it + URL scdlLocation; + try { + scdlLocation = new URL("jar:" + url.toExternalForm() + "!/META-INF/sca/default.scdl"); + } catch (MalformedURLException e) { + // the form of the jar: URL should be correct given url.toExternalForm() worked + throw new AssertionError(); + } + try { + scdlLocation.openStream().close(); + // we connected to the SCDL so let's add the JAR file to the classloader + extensionCL.addURL(url); + } catch (IOException e) { + // assume that the URL we were given is not a JAR file so just use the supplied resource + scdlLocation = url; + } + + // create a ComponentDefinition to represent the component we are going to deploy + SystemCompositeImplementation implementation = new SystemCompositeImplementation(); + implementation.setScdlLocation(scdlLocation); + implementation.setClassLoader(extensionCL); + ComponentDefinition<SystemCompositeImplementation> definition = + new ComponentDefinition<SystemCompositeImplementation>(name, implementation); + + // FIXME: [rfeng] Should we reset the thread context class loader here? + // From the debugger with tomcat, the current TCCL is the RealmClassLoader + // ClassLoader contextCL = Thread.currentThread().getContextClassLoader(); + try { + // Thread.currentThread().setContextClassLoader(extensionCL); + Component component = null; + try { + component = deployer.deploy(parent, definition); + component.start(); + } catch (BuilderException e) { + // FIXME JFM handle the exception + e.printStackTrace(); + } catch (ComponentException e) { + // FIXME handle the exception + e.printStackTrace(); + } + } catch (LoaderException e) { + // FIXME handle the exception + e.printStackTrace(); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/host/DelegatingResourceHostRegistry.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/host/DelegatingResourceHostRegistry.java new file mode 100644 index 0000000000..38ce4d16d2 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/host/DelegatingResourceHostRegistry.java @@ -0,0 +1,142 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.host; + +import java.util.HashMap; +import java.util.Map; + +import org.osoa.sca.annotations.Service; + +import org.apache.tuscany.spi.host.ResourceHost; +import org.apache.tuscany.spi.host.ResourceHostRegistry; +import org.apache.tuscany.spi.host.ResourceResolutionException; + +/** + * The default implementation of a <code>ResourceRegisty</code> that resolves resources in the <code>SCA://</code> + * namespace against its parent composite and delegates resolution to registered <code>ResourceHost</code>s for other + * namespaces. The search order for resources resolved by type starts with the SCA namespace and proceeds to hosts in + * the order they were registered. + * + * @version $Rev$ $Date$ + */ +@Service(interfaces = {ResourceHost.class, ResourceHostRegistry.class}) +public class DelegatingResourceHostRegistry implements ResourceHost, ResourceHostRegistry { + private static final String SCA_PREFIX = "SCA://"; + private Map<String, ResourceHost> resourceHosts = new HashMap<String, ResourceHost>(); + private Map<Class<?>, Object> systemResources = new HashMap<Class<?>, Object>(); + private Map<Key, Object> mappedSystemResources = new HashMap<Key, Object>(); + + public DelegatingResourceHostRegistry() { + } + + public void registerResourceHost(String uri, ResourceHost host) { + resourceHosts.put(uri, host); + } + + public void unregisterResourceHost(String uri) { + resourceHosts.remove(uri); + } + + public void registerResource(Class<?> type, Object resource) { + systemResources.put(type, resource); + } + + public void registerResource(Class<?> type, String name, Object resource) { + mappedSystemResources.put(new Key(type, name), resource); + } + + public void unregisterResource(Class<?> type, String name) { + mappedSystemResources.remove(new Key(type, name)); + } + + public void unregisterResource(Class<?> type) { + systemResources.remove(type); + } + + public <T> T resolveResource(Class<T> type) throws ResourceResolutionException { + T instance = type.cast(systemResources.get(type)); + if (instance == null) { + for (ResourceHost host : resourceHosts.values()) { + instance = host.resolveResource(type); + if (instance != null) { + return instance; + } + } + } + return instance; + } + + public <T> T resolveResource(Class<T> type, String mappedName) throws ResourceResolutionException { + if (mappedName.startsWith(SCA_PREFIX)) { + String name = mappedName.substring(SCA_PREFIX.length()); + return type.cast(mappedSystemResources.get(new Key(type, name))); + } else { + int pos = mappedName.indexOf("://"); + if (pos == -1) { + return type.cast(mappedSystemResources.get(new Key(type, mappedName))); + } + String uri = mappedName.substring(0, pos + 3); + ResourceHost host = resourceHosts.get(uri); + if (host == null) { + throw new ResourceResolutionException("No resource host for URI", uri); + } + return host.resolveResource(type, mappedName); + } + } + + private class Key { + private Class<?> clazz; + private String name; + + public Key(Class<?> clazz, String name) { + this.clazz = clazz; + this.name = name; + } + + public Key(Class<?> clazz) { + this.clazz = clazz; + } + + public boolean equals(Object o) { + if (this == o) { + return true; + } + if (o == null || getClass() != o.getClass()) { + return false; + } + + Key key = (Key) o; + + if (clazz != null ? !clazz.equals(key.clazz) : key.clazz != null) { + return false; + } + if (name != null ? !name.equals(key.name) : key.name != null) { + return false; + } + return true; + } + + public int hashCode() { + int result; + result = clazz != null ? clazz.hashCode() : 0; + result = 31 * result + (name != null ? name.hashCode() : 0); + return result; + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/store/memory/MemoryStore.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/store/memory/MemoryStore.java new file mode 100644 index 0000000000..b1a0b67001 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/store/memory/MemoryStore.java @@ -0,0 +1,198 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.store.memory; + +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.TimeUnit; + +import org.osoa.sca.annotations.Destroy; +import org.osoa.sca.annotations.EagerInit; +import org.osoa.sca.annotations.Init; +import org.osoa.sca.annotations.Property; +import org.osoa.sca.annotations.Service; + +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.event.AbstractEventPublisher; +import org.apache.tuscany.spi.services.store.DuplicateRecordException; +import org.apache.tuscany.spi.services.store.RecoveryListener; +import org.apache.tuscany.spi.services.store.Store; +import org.apache.tuscany.spi.services.store.StoreExpirationEvent; +import org.apache.tuscany.spi.services.store.StoreMonitor; +import org.apache.tuscany.spi.services.store.StoreWriteException; + +import org.apache.tuscany.api.annotation.Monitor; + +/** + * Implements a non-durable, non-transactional store using a simple in-memory map + * + * @version $Rev$ $Date$ + */ +@Service(Store.class) +@EagerInit +public class MemoryStore extends AbstractEventPublisher implements Store { + private Map<SCAObject, Map<String, Record>> store; + // TODO integrate with a core threading scheme + private ScheduledExecutorService scheduler; + private long reaperInterval = 300000; + private StoreMonitor monitor; + private long defaultExpirationOffset = 600000; // 10 minutes + + public MemoryStore(@Monitor StoreMonitor monitor) { + this.monitor = monitor; + this.store = new ConcurrentHashMap<SCAObject, Map<String, Record>>(); + this.scheduler = Executors.newSingleThreadScheduledExecutor(); + } + + /** + * Returns the maximum default expiration offset for records in the store + * + * @return the maximum default expiration offset for records in the store + */ + public long getDefaultExpirationOffset() { + return defaultExpirationOffset; + } + + /** + * Sets the maximum default expiration offset for records in the store + */ + @Property + public void setDefaultExpirationOffset(long defaultExpirationOffset) { + this.defaultExpirationOffset = defaultExpirationOffset; + } + + /** + * Sets the interval for expired entry scanning to be performed + */ + @Property + public void setReaperInterval(long reaperInterval) { + this.reaperInterval = reaperInterval; + } + + public long getReaperInterval() { + return reaperInterval; + } + + @Init + public void init() { + scheduler.scheduleWithFixedDelay(new Reaper(), reaperInterval, reaperInterval, TimeUnit.MILLISECONDS); + monitor.start("In-memory store started"); + } + + @Destroy + public void destroy() { + scheduler.shutdown(); + monitor.stop("In-memory store stopped"); + } + + public void insertRecord(SCAObject owner, String id, Object object, long expiration) throws StoreWriteException { + Map<String, Record> map = store.get(owner); + if (map == null) { + map = new ConcurrentHashMap<String, Record>(); + store.put(owner, map); + } + if (map.containsKey(id)) { + throw new DuplicateRecordException(owner.getCanonicalName(), id); + } + map.put(id, new Record(object, expiration)); + } + + public void updateRecord(SCAObject owner, String id, Object object, long expiration) throws StoreWriteException { + Map<String, Record> map = store.get(owner); + if (map == null) { + throw new StoreWriteException("Record not found", owner.getCanonicalName(), id); + } + Record record = map.get(id); + if (record == null) { + throw new StoreWriteException("Record not found", owner.getCanonicalName(), id); + } + record.data = object; + } + + public Object readRecord(SCAObject owner, String id) { + Map<String, Record> map = store.get(owner); + if (map == null) { + return null; + } + Record record = map.get(id); + if (record != null) { + return record.data; + } + return null; + } + + public void removeRecords() { + store.clear(); + } + + public void removeRecord(SCAObject owner, String id) throws StoreWriteException { + Map<String, Record> map = store.get(owner); + if (map == null) { + throw new StoreWriteException("Owner not found", owner.getCanonicalName(), id); + } + if (map.remove(id) == null) { + throw new StoreWriteException("Owner not found", owner.getCanonicalName(), id); + } + } + + public void recover(RecoveryListener listener) { + throw new UnsupportedOperationException(); + } + + private class Record { + private Object data; + private long expiration = NEVER; + + public Record(Object data, long expiration) { + this.data = data; + this.expiration = expiration; + } + + public Object getData() { + return data; + } + + public long getExpiration() { + return expiration; + } + } + + private class Reaper implements Runnable { + + public void run() { + long now = System.currentTimeMillis(); + for (Map.Entry<SCAObject, Map<String, Record>> entries : store.entrySet()) { + for (Map.Entry<String, Record> entry : entries.getValue().entrySet()) { + final long expiration = entry.getValue().expiration; + if (expiration != NEVER && now >= expiration) { + SCAObject owner = entries.getKey(); + Object instance = entry.getValue().getData(); + // notify listeners of the expiration + StoreExpirationEvent event = new StoreExpirationEvent(this, owner, instance); + publish(event); + entries.getValue().remove(entry.getKey()); + } + } + } + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jca/JcaWorkScheduler.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jca/JcaWorkScheduler.java new file mode 100644 index 0000000000..79b7bf4ca1 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jca/JcaWorkScheduler.java @@ -0,0 +1,206 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.work.jca; + +import javax.resource.spi.work.Work; +import javax.resource.spi.work.WorkEvent; +import javax.resource.spi.work.WorkException; +import javax.resource.spi.work.WorkListener; +import javax.resource.spi.work.WorkManager; +import javax.resource.spi.work.WorkRejectedException; + +import org.apache.tuscany.spi.services.work.NotificationListener; +import org.apache.tuscany.spi.services.work.WorkScheduler; +import org.apache.tuscany.spi.services.work.WorkSchedulerException; + +/** + * A work scheduler implementation based on the JCA SPI work manager. + * <p/> + * <p/> + * This needs a JCA SPI work manager implementation available for scheduling work. Instances can be configured with a + * work manager implementation that is injected in. It is the responsibility of the runtime environment to make a work + * manager implementaion available. </p> + */ +public class JcaWorkScheduler implements WorkScheduler { + + /** + * Underlying JCA work manager + */ + private WorkManager jcaWorkManager; + + /** + * Initializes the JCA work manager. + * + * @param jcaWorkManager JCA work manager. + */ + public JcaWorkScheduler(WorkManager jcaWorkManager) { + + if (jcaWorkManager == null) { + throw new IllegalArgumentException("Work manager cannot be null"); + } + this.jcaWorkManager = jcaWorkManager; + + } + + /** + * Schedules a unit of work for future execution. The notification listener is used to register interest in + * callbacks regarding the status of the work. + * + * @param work The unit of work that needs to be asynchronously executed. + */ + public <T extends Runnable> void scheduleWork(T work) { + scheduleWork(work, null); + } + + /** + * Schedules a unit of work for future execution. The notification listener is used to register interest in + * callbacks regarding the status of the work. + * + * @param work The unit of work that needs to be asynchronously executed. + * @param listener Notification listener for callbacks. + */ + public <T extends Runnable> void scheduleWork(T work, NotificationListener<T> listener) { + + if (work == null) { + throw new IllegalArgumentException("Work cannot be null"); + } + + JcaWork<T> jcaWork = new JcaWork<T>(work); + try { + if (listener == null) { + jcaWorkManager.scheduleWork(jcaWork); + } else { + JcaWorkListener<T> jcaWorkListener = new JcaWorkListener<T>(listener); + // TODO Clarify the usage of timeout and execution context + jcaWorkManager.scheduleWork(jcaWork, -1, null, jcaWorkListener); + } + } catch (WorkRejectedException ex) { + if (listener != null) { + listener.workRejected(work); + } else { + throw new WorkSchedulerException(ex); + } + } catch (WorkException ex) { + throw new WorkSchedulerException(ex); + } + + } + + /* + * Worklistener for keeping track of work status callbacks. + * + */ + private class JcaWorkListener<T extends Runnable> implements WorkListener { + + // Notification listener + private NotificationListener<T> listener; + + /* + * Initializes the notification listener. + */ + public JcaWorkListener(NotificationListener<T> listener) { + this.listener = listener; + } + + /* + * Callback when the work is accepted. + */ + public void workAccepted(WorkEvent workEvent) { + T work = getWork(workEvent); + listener.workAccepted(work); + } + + /* + * Callback when the work is rejected. + */ + public void workRejected(WorkEvent workEvent) { + T work = getWork(workEvent); + listener.workRejected(work); + } + + /* + * Callback when the work is started. + */ + public void workStarted(WorkEvent workEvent) { + T work = getWork(workEvent); + listener.workStarted(work); + } + + /* + * Callback when the work is completed. + */ + public void workCompleted(WorkEvent workEvent) { + T work = getWork(workEvent); + Exception exception = workEvent.getException(); + if (exception != null) { + listener.workFailed(work, exception); + } else { + listener.workCompleted(work); + } + } + + /* + * Gets the underlying work from the work event. + */ + @SuppressWarnings("unchecked") + private T getWork(WorkEvent workEvent) { + JcaWork<T> jcaWork = (JcaWork<T>) workEvent.getWork(); + return jcaWork.getWork(); + } + + } + + /* + * JCA work wrapper. + */ + private class JcaWork<T extends Runnable> implements Work { + + // Work that is being executed. + private T work; + + /* + * Initializes the work instance. + */ + public JcaWork(T work) { + this.work = work; + } + + /* + * Releases the work. + */ + public void release() { + } + + /* + * Performs the work. + */ + public void run() { + work.run(); + } + + /* + * Returns the completed work. + */ + public T getWork() { + return work; + } + + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/Jsr237WorkScheduler.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/Jsr237WorkScheduler.java new file mode 100644 index 0000000000..8fa8000477 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/Jsr237WorkScheduler.java @@ -0,0 +1,217 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.work.jsr237; + +import org.osoa.sca.annotations.Scope; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.services.work.NotificationListener; +import org.apache.tuscany.spi.services.work.WorkScheduler; +import org.apache.tuscany.spi.services.work.WorkSchedulerException; + +import commonj.work.Work; +import commonj.work.WorkEvent; +import commonj.work.WorkException; +import commonj.work.WorkListener; +import commonj.work.WorkManager; +import commonj.work.WorkRejectedException; + +/** + * A work scheduler implementation based on a JSR 237 work manager. + * <p/> + * <p/> + * This needs a JSR 237 work manager implementation available for scheduling work. Instances can be configured with a + * work manager implementation that is injected in. It is the responsibility of the runtime environment to make a work + * manager implementaion available. For example, if the managed environment supports work manager the runtime can use + * the appropriate lookup mechanism to inject the work manager implementation. </p> + */ +@Scope("COMPOSITE") +public class Jsr237WorkScheduler implements WorkScheduler { + + /** + * Underlying JSR-237 work manager + */ + private WorkManager jsr237WorkManager; + + /** + * Initializes the JSR 237 work manager. + * + * @param jsr237WorkManager JSR 237 work manager. + */ + public Jsr237WorkScheduler(@Autowire WorkManager jsr237WorkManager) { + if (jsr237WorkManager == null) { + throw new IllegalArgumentException("Work manager cannot be null"); + } + this.jsr237WorkManager = jsr237WorkManager; + } + + /** + * Schedules a unit of work for future execution. The notification listener is used to register interest in + * callbacks regarding the status of the work. + * + * @param work The unit of work that needs to be asynchronously executed. + */ + public <T extends Runnable> void scheduleWork(T work) { + scheduleWork(work, null); + } + + /** + * Schedules a unit of work for future execution. The notification listener is used to register interest in + * callbacks regarding the status of the work. + * + * @param work The unit of work that needs to be asynchronously executed. + * @param listener Notification listener for callbacks. + */ + public <T extends Runnable> void scheduleWork(T work, NotificationListener<T> listener) { + + if (work == null) { + throw new IllegalArgumentException("Work cannot be null"); + } + + Jsr237Work<T> jsr237Work = new Jsr237Work<T>(work); + try { + if (listener == null) { + jsr237WorkManager.schedule(jsr237Work); + } else { + Jsr237WorkListener<T> jsr237WorkListener = new Jsr237WorkListener<T>(listener, work); + jsr237WorkManager.schedule(jsr237Work, jsr237WorkListener); + } + } catch (WorkRejectedException ex) { + if (listener != null) { + listener.workRejected(work); + } else { + throw new WorkSchedulerException(ex); + } + } catch (WorkException ex) { + throw new WorkSchedulerException(ex); + } + + } + + /* + * Worklistener for keeping track of work status callbacks. + * + */ + private class Jsr237WorkListener<T extends Runnable> implements WorkListener { + + // Notification listener + private NotificationListener<T> listener; + + // Work + private T work; + + /* + * Initializes the notification listener. + */ + public Jsr237WorkListener(NotificationListener<T> listener, T work) { + this.listener = listener; + this.work = work; + } + + /* + * Callback when the work is accepted. + */ + public void workAccepted(WorkEvent workEvent) { + T work = getWork(); + listener.workAccepted(work); + } + + /* + * Callback when the work is rejected. + */ + public void workRejected(WorkEvent workEvent) { + T work = getWork(); + listener.workRejected(work); + } + + /* + * Callback when the work is started. + */ + public void workStarted(WorkEvent workEvent) { + T work = getWork(); + listener.workStarted(work); + } + + /* + * Callback when the work is completed. + */ + public void workCompleted(WorkEvent workEvent) { + T work = getWork(); + Exception exception = workEvent.getException(); + if (exception != null) { + listener.workFailed(work, exception); + } else { + listener.workCompleted(work); + } + } + + /* + * Gets the underlying work from the work event. + */ + private T getWork() { + return work; + } + + } + + /* + * JCA work wrapper. + */ + private class Jsr237Work<T extends Runnable> implements Work { + + // Work that is being executed. + private T work; + + /* + * Initializes the work instance. + */ + public Jsr237Work(T work) { + this.work = work; + } + + /* + * Returns the completed work. + */ + public T getWork() { + return work; + } + + /* + * Release the work. + */ + public void release() { + } + + /* + * Work attributes are not daemon. + */ + public boolean isDaemon() { + return false; + } + + /* + * Runs the work. + */ + public void run() { + work.run(); + } + + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/DefaultWorkEvent.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/DefaultWorkEvent.java new file mode 100644 index 0000000000..c391d0b597 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/DefaultWorkEvent.java @@ -0,0 +1,73 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.work.jsr237.workmanager; + +import commonj.work.WorkEvent; +import commonj.work.WorkException; +import commonj.work.WorkItem; + +/** + * Default immutable implementation of the <code>WorkEvent</code> class. + */ +class DefaultWorkEvent implements WorkEvent { + + // Work item for this event + private WorkItem workItem; + + // Exception if something has gone wrong + private WorkException exception; + + /** + * Instantiates the event. + * + * @param workItem Work item for this event. + */ + public DefaultWorkEvent(final DefaultWorkItem workItem) { + this.workItem = workItem; + this.exception = workItem.getException(); + } + + /** + * Returns the work type based on whether the work was accepted, started, + * rejected or completed. + * + * @return Work type. + */ + public int getType() { + return workItem.getStatus(); + } + + /** + * Returns the work item associated with this work type. + * + * @return Work item. + */ + public WorkItem getWorkItem() { + return workItem; + } + + /** + * Returns the exception if the work completed with an exception. + * + * @return Work exception. + */ + public WorkException getException() { + return exception; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/DefaultWorkItem.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/DefaultWorkItem.java new file mode 100644 index 0000000000..0adc005bb0 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/DefaultWorkItem.java @@ -0,0 +1,166 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.work.jsr237.workmanager; + +import commonj.work.Work; +import commonj.work.WorkException; +import commonj.work.WorkItem; + +/** + * An identity based immutable implementation of the <code>WorkItem</code> + * interface. + * + */ +class DefaultWorkItem implements WorkItem { + + // Id scoped for the VM + private String id; + + // Status + private int status = -1; + + // Result + private Work result; + + // Original work + private Work originalWork; + + // Exception + private WorkException exception; + + /** + * Instantiates an id for this item. + * + * @param id of this work event. + */ + protected DefaultWorkItem(final String id, final Work orginalWork) { + this.id = id; + this.originalWork = orginalWork; + } + + /** + * Returns the id. + * + * @return Id of this item. + */ + public String getId() { + return id; + } + + /** + * Returns the original work. + * + * @return Original work. + */ + public Work getOriginalWork() { + return originalWork; + } + + /** + * Returns the work result if the work completed. + * + * @return Work. + * @throws WorkException If the work completed with an exception. + */ + public Work getResult() throws WorkException { + return result; + } + + /** + * Sets the result. + * + * @param result Result. + */ + protected void setResult(final Work result) { + this.result = result; + } + + /** + * Returns the exception if work completed with an exception. + * + * @return Work exception. + */ + protected WorkException getException() { + return exception; + } + + /** + * Sets the exception. + * + * @param exception Exception. + */ + protected void setException(final WorkException exception) { + this.exception = exception; + } + + /** + * Returns the work type based on whether the work was accepted, started, + * rejected or completed. + * + * @return Work status. + */ + public int getStatus() { + return status; + } + + /** + * Sets the status. + * + * @param status Status. + */ + protected void setStatus(final int status) { + this.status = status; + } + + /** + * @see Object#hashCode() + */ + public int hashCode() { + return id.hashCode(); + } + + /** + * Indicates whether some other object is "equal to" this one. + * + * @param obj Object to be compared. + * @return true if this object is the same as the obj argument; false + * otherwise.. + */ + public boolean equals(final Object obj) { + return (obj != null) && (obj.getClass() == DefaultWorkItem.class) && ((DefaultWorkItem) obj).id.equals(id); + } + + /** + * Compares this object with the specified object for order. Returns a + * negative integer, zero, or a positive integer as this object is less + * than, equal to, or greater than the specified object. + * + * @param o Object to be compared. + * @return A negative integer, zero, or a positive integer as this object + * is less than, equal to, or greater than the specified object. + * @throws ClassCastException needs better documentation. + */ + public int compareTo(final Object o) { + if (o.getClass() != DefaultWorkItem.class) { + throw new ClassCastException(o.getClass().getName()); + } else { + return ((DefaultWorkItem) o).getId().compareTo(getId()); + } + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/ThreadPoolWorkManager.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/ThreadPoolWorkManager.java new file mode 100644 index 0000000000..1a7639b41d --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/ThreadPoolWorkManager.java @@ -0,0 +1,220 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.services.work.jsr237.workmanager; + +import java.rmi.server.UID; +import java.util.Collection; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.RejectedExecutionException; + +import org.osoa.sca.annotations.Destroy; +import org.osoa.sca.annotations.Property; + +import commonj.work.Work; +import commonj.work.WorkEvent; +import commonj.work.WorkException; +import commonj.work.WorkItem; +import commonj.work.WorkListener; +import commonj.work.WorkManager; +import commonj.work.WorkRejectedException; + +/** + * A thread-pool based implementation for the JSR-237 work manager. + * <p/> + * <p/> + * This implementation supports only local work. + * <p/> + * TODO Elaborate the implementation. </p> + */ +public class ThreadPoolWorkManager implements WorkManager { + + // Map of work items currently handled by the work manager + private Map<DefaultWorkItem, WorkListener> workItems = new ConcurrentHashMap<DefaultWorkItem, WorkListener>(); + + // Thread-pool + private ExecutorService executor; + + /** + * Initializes the thread-pool. + * + * @param threadPoolSize Thread-pool size. + */ + public ThreadPoolWorkManager(@Property(name = "poolSize") int threadPoolSize) { + executor = Executors.newFixedThreadPool(threadPoolSize); + } + + /** + * Schedules a unit of work asynchronously. + * + * @param work Work that needs to be scheduled. + * @return Work Work item representing the asynchronous work + */ + public WorkItem schedule(Work work) throws WorkException { + return schedule(work, null); + } + + /** + * Schedules a unit of work asynchronously. + * + * @param work Work that needs to be scheduled. + * @param workListener Work listener for callbacks. + * @return Work Work item representing the asynchronous work + */ + public WorkItem schedule(Work work, WorkListener workListener) throws WorkRejectedException { + + DefaultWorkItem workItem = new DefaultWorkItem(new UID().toString(), work); + if (workListener != null) { + workItems.put(workItem, workListener); + } + workAccepted(workItem, work); + if (scheduleWork(work, workItem)) { + return workItem; + } else { + workItem.setStatus(WorkEvent.WORK_REJECTED); + if (workListener != null) { + workListener.workRejected(new DefaultWorkEvent(workItem)); + } + throw new WorkRejectedException("Unable to schedule work"); + } + } + + /** + * Wait for all the specified units of work to finish. + * + * @param works Units of the work that need to finish. + * @param timeout Timeout for waiting for the units of work to finish. + */ + public boolean waitForAll(Collection works, long timeout) { + throw new UnsupportedOperationException("waitForAll not supported"); + } + + /** + * Wait for any of the specified units of work to finish. + * + * @param works Units of the work that need to finish. + * @param timeout Timeout for waiting for the units of work to finish. + */ + public Collection waitForAny(Collection works, long timeout) { + throw new UnsupportedOperationException("waitForAny not supported"); + } + + /** + * Method provided for subclasses to indicate a work accptance. + * + * @param workItem Work item representing the work that was accepted. + * @param work Work that was accepted. + */ + private void workAccepted(final DefaultWorkItem workItem, final Work work) { + WorkListener listener = workItems.get(workItem); + if (listener != null) { + workItem.setStatus(WorkEvent.WORK_ACCEPTED); + WorkEvent event = new DefaultWorkEvent(workItem); + listener.workAccepted(event); + } + } + + /* + * Method to indicate a work start. + */ + private void workStarted(final DefaultWorkItem workItem, final Work work) { + WorkListener listener = workItems.get(workItem); + if (listener != null) { + workItem.setStatus(WorkEvent.WORK_STARTED); + WorkEvent event = new DefaultWorkEvent(workItem); + listener.workStarted(event); + } + } + + /* + * Method to indicate a work completion. + */ + private void workCompleted(final DefaultWorkItem workItem, final Work work) { + workCompleted(workItem, work, null); + } + + /* + * Method to indicate a work completion. + */ + private void workCompleted(final DefaultWorkItem workItem, final Work work, final WorkException exception) { + WorkListener listener = workItems.get(workItem); + if (listener != null) { + workItem.setStatus(WorkEvent.WORK_COMPLETED); + workItem.setResult(work); + workItem.setException(exception); + WorkEvent event = new DefaultWorkEvent(workItem); + listener.workCompleted(event); + workItems.remove(workItem); + } + } + + /* + * Schedules the work using the threadpool. + */ + private boolean scheduleWork(final Work work, final DefaultWorkItem workItem) { + try { + executor.execute(new DecoratingWork(workItem, work)); + return true; + } catch (RejectedExecutionException ex) { + return false; + } + } + + /* + * Class that decorates the original worker so that it can get callbacks when work is done. + */ + private final class DecoratingWork implements Runnable { + + // Work item for this work. + private DefaultWorkItem workItem; + + // The original work. + private Work decoratedWork; + + /* + * Initializes the work item and underlying work. + */ + private DecoratingWork(final DefaultWorkItem workItem, final Work decoratedWork) { + this.workItem = workItem; + this.decoratedWork = decoratedWork; + } + + /* + * Overrides the run method. + */ + public void run() { + workStarted(workItem, decoratedWork); + try { + decoratedWork.run(); + workCompleted(workItem, decoratedWork); + } catch (Throwable th) { + workCompleted(workItem, decoratedWork, new WorkException(th.getMessage(), th)); + } + } + + } + + @Destroy + public void destroy() { + executor.shutdown(); + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/util/ClassLoaderHelper.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/util/ClassLoaderHelper.java new file mode 100644 index 0000000000..a8c57db9d1 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/util/ClassLoaderHelper.java @@ -0,0 +1,93 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.util; + +import java.io.File; +import java.net.URL; +import java.net.MalformedURLException; +import java.net.URLClassLoader; + +/** + * Functions to create & manipulate classloaders. + * + * @version $$Rev$$ $$Date$$ + */ + +public final class ClassLoaderHelper { + /** + * Hide constructor + */ + private ClassLoaderHelper() { + } + + /** + * Create a classloader for the supplied classpath. + * + * @param path a list of file/directory names separated by the platform path separator + * @param parent the parent for the new classloader + * @return a classloader that will load classes from the supplied path + */ + public static ClassLoader createClassLoader(ClassLoader parent, String path) { + String[] files = path.split(File.pathSeparator); + return createClassLoader(parent, files); + } + + /** + * Create a classloader for a classpath supplied as individual file names. + * + * @param files a list of file/directory names + * @param parent the parent for the new classloader + * @return a classloader that will load classes from the supplied path + */ + public static ClassLoader createClassLoader(ClassLoader parent, String[] files) { + URL[] urls = new URL[files.length]; + for (int i = 0; i < files.length; i++) { + try { + File file = new File(files[i]); + urls[i] = file.toURI().toURL(); + } catch (MalformedURLException e) { + // just ignore this value + continue; + } + } + + return new URLClassLoader(urls, parent); + } + + /** + * Create a classloader for a classpath supplied as a list of files. + * + * @param files a list of files + * @param parent the parent for the new classloader + * @return a classloader that will load classes from the supplied path + */ + public static ClassLoader createClassLoader(ClassLoader parent, File[] files) { + URL[] urls = new URL[files.length]; + for (int i = 0; i < files.length; i++) { + try { + File file = files[i]; + urls[i] = file.toURI().toURL(); + } catch (MalformedURLException e) { + + continue; + } + } + return new URLClassLoader(urls, parent); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/util/JavaIntrospectionHelper.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/util/JavaIntrospectionHelper.java new file mode 100644 index 0000000000..6b11725481 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/util/JavaIntrospectionHelper.java @@ -0,0 +1,439 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.util; + +import java.lang.reflect.Constructor; +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; +import java.lang.reflect.ParameterizedType; +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +/** + * Implements various reflection-related operations + * + * @version $Rev$ $Date$ + */ +public final class JavaIntrospectionHelper { + + private static final Class[] EMPTY_CLASS_ARRY = new Class[0]; + + /** + * Hide the constructor + */ + private JavaIntrospectionHelper() { + } + + + /** + * Returns a collection of public, and protected fields declared by a class or one of its supertypes + */ + public static Set<Field> getAllPublicAndProtectedFields(Class clazz) { + return getAllPublicAndProtectedFields(clazz, new HashSet<Field>()); + } + + /** + * Recursively evaluates the type hierachy to return all fields that are public or protected + */ + private static Set<Field> getAllPublicAndProtectedFields(Class clazz, Set<Field> fields) { + if (clazz == null || clazz.isArray() || Object.class.equals(clazz)) { + return fields; + } + fields = getAllPublicAndProtectedFields(clazz.getSuperclass(), fields); + Field[] declaredFields = clazz.getDeclaredFields(); + for (Field field : declaredFields) { + int modifiers = field.getModifiers(); + if ((Modifier.isPublic(modifiers) || Modifier.isProtected(modifiers)) && !Modifier.isStatic(modifiers)) { + field.setAccessible(true); // ignore Java accessibility + fields.add(field); + } + } + return fields; + } + + /** + * Returns a collection of public and protected methods declared by a class or one of its supertypes. Note that + * overriden methods will not be returned in the collection (i.e. only the method override will be). <p/> This + * method can potentially be expensive as reflection information is not cached. It is assumed that this method will + * be used during a configuration phase. + */ + public static Set<Method> getAllUniquePublicProtectedMethods(Class clazz) { + return getAllUniqueMethods(clazz, new HashSet<Method>()); + } + + /** + * Recursively evaluates the type hierarchy to return all unique methods + */ + private static Set<Method> getAllUniqueMethods(Class pClass, Set<Method> methods) { + if (pClass == null || pClass.isArray() || Object.class.equals(pClass)) { + return methods; + } + // we first evaluate methods of the subclass and then move to the parent + Method[] declaredMethods = pClass.getDeclaredMethods(); + for (Method declaredMethod : declaredMethods) { + int modifiers = declaredMethod.getModifiers(); + if ((!Modifier.isPublic(modifiers) && !Modifier.isProtected(modifiers)) || Modifier.isStatic(modifiers)) { + continue; + } + if (methods.size() == 0) { + methods.add(declaredMethod); + } else { + List<Method> temp = new ArrayList<Method>(); + boolean matched = false; + for (Method method : methods) { + // only add if not already in the set from a supclass (i.e. the + // method is not overrided) + if (exactMethodMatch(declaredMethod, method)) { + matched = true; + break; + } + } + if (!matched) { + // TODO ignore Java accessibility + declaredMethod.setAccessible(true); + temp.add(declaredMethod); + } + methods.addAll(temp); + temp.clear(); + } + } + // evaluate class hierarchy - this is done last to track inherited methods + methods = getAllUniqueMethods(pClass.getSuperclass(), methods); + return methods; + } + + /** + * Finds the closest matching field with the given name, that is, a field of the exact specified type or, + * alternately, of a supertype. + * + * @param name the name of the field + * @param type the field type + * @param fields the collection of fields to search + * @return the matching field or null if not found + */ + public static Field findClosestMatchingField(String name, Class type, Set<Field> fields) { + Field candidate = null; + for (Field field : fields) { + if (field.getName().equals(name)) { + if (field.getType().equals(type)) { + return field; // exact match + } else if (field.getType().isAssignableFrom(type) + || (field.getType().isPrimitive() && primitiveAssignable(field.getType(), type))) { + // We could have the situation where a field parameter is a primitive and the demarshalled value is + // an object counterpart (e.g. Integer and int) + // @spec issue + // either an interface or super class, so keep a reference until + // we know there are no closer types + candidate = field; + } + } + } + if (candidate != null) { + return candidate; + } else { + return null; + } + } + + /** + * Finds the closest matching method with the given name, that is, a method taking the exact parameter types or, + * alternately, parameter supertypes. + * + * @param name the name of the method + * @param types the method parameter types + * @param methods the collection of methods to search + * @return the matching method or null if not found + */ + public static Method findClosestMatchingMethod(String name, Class[] types, Set<Method> methods) { + if (types == null) { + types = EMPTY_CLASS_ARRY; + } + Method candidate = null; + for (Method method : methods) { + if (method.getName().equals(name) && method.getParameterTypes().length == types.length) { + Class<?>[] params = method.getParameterTypes(); + boolean disqualify = false; + boolean exactMatch = true; + for (int i = 0; i < params.length; i++) { + if (!params[i].equals(types[i]) && !params[i].isAssignableFrom(types[i])) { + // no match + disqualify = true; + exactMatch = false; + break; + } else if (!params[i].equals(types[i]) && params[i].isAssignableFrom(types[i])) { + // not exact match + exactMatch = false; + } + } + if (disqualify) { + continue; + } else if (exactMatch) { + return method; + } else { + candidate = method; + } + } + } + if (candidate != null) { + return candidate; + } else { + return null; + } + } + + /** + * Searches a collection of fields for one that matches by name and has a multiplicity type. i.e. a List or Array of + * interfaces + * + * @return a matching field or null + */ + public static Field findMultiplicityFieldByName(String name, Set<Field> fields) { + for (Field candidate : fields) { + if (candidate.getName().equals(name) + && (List.class.isAssignableFrom(candidate.getType()) || (candidate.getType().isArray() + && candidate.getType().getComponentType() != null && candidate.getType().getComponentType() + .isInterface()))) { + return candidate; + } + } + return null; + } + + /** + * Searches a collection of method for one that matches by name and has single parameter of a multiplicity type. + * i.e. a List or Array of interfaces + * + * @return a matching method or null + */ + public static Method findMultiplicityMethodByName(String name, Set<Method> methods) { + for (Method candidate : methods) { + if (candidate.getName().equals(name) + && candidate.getParameterTypes().length == 1 + && (List.class.isAssignableFrom(candidate.getParameterTypes()[0]) + || (candidate.getParameterTypes()[0].isArray() + && candidate.getParameterTypes()[0].getComponentType() != null + && candidate.getParameterTypes()[0].getComponentType().isInterface()))) { + return candidate; + } + } + return null; + } + + /** + * Determines if two methods "match" - that is, they have the same method names and exact parameter types (one is + * not a supertype of the other) + */ + public static boolean exactMethodMatch(Method method1, Method method2) { + if (!method1.getName().equals(method2.getName())) { + return false; + } + Class[] types1 = method1.getParameterTypes(); + Class[] types2 = method2.getParameterTypes(); + if (types1.length == 0 && types2.length == 0) { + return true; + } else if (types1.length == types2.length) { + for (int n = 0; n < types1.length; n++) { + if (!types1[n].equals(types2[n])) { + return false; + } + } + return true; + } + return false; + } + + public static <T> Constructor<T> getDefaultConstructor(Class<T> clazz) throws NoSuchMethodException { + return clazz.getConstructor((Class[]) null); + } + + /** + * Loads a class corresponding to the class name using the current context class loader. + * + * @throws ClassNotFoundException if the class was not found on the classpath + */ + public static Class loadClass(String pName) throws ClassNotFoundException { + ClassLoader loader = Thread.currentThread().getContextClassLoader(); + return Class.forName(pName, true, loader); + } + + /** + * Returns the simple name of a class - i.e. the class name devoid of its package qualifier + * + * @param implClass the implmentation class + */ + public static String getBaseName(Class<?> implClass) { + String baseName = implClass.getName(); + int lastDot = baseName.lastIndexOf('.'); + if (lastDot != -1) { + baseName = baseName.substring(lastDot + 1); + } + return baseName; + } + + public static boolean isImmutable(Class clazz) { + return String.class == clazz + || clazz.isPrimitive() + || Number.class.isAssignableFrom(clazz) + || Boolean.class.isAssignableFrom(clazz) + || Character.class.isAssignableFrom(clazz) + || Byte.class.isAssignableFrom(clazz); + } + + /** + * Takes a property name and converts it to a getter method name according to JavaBean conventions. For example, + * property <code>foo<code> is returned as <code>getFoo</code> + */ + public static String toGetter(String name) { + return "get" + name.toUpperCase().substring(0, 1) + name.substring(1); + } + + /** + * Takes a setter or getter method name and converts it to a property name according to JavaBean conventions. For + * example, <code>setFoo(var)</code> is returned as property <code>foo<code> + */ + public static String toPropertyName(String name) { + if (!name.startsWith("set")) { + return name; + } + return Character.toLowerCase(name.charAt(3)) + name.substring(4); + } + + /** + * Takes a property name and converts it to a setter method name according to JavaBean conventions. For example, the + * property <code>foo<code> is returned as <code>setFoo(var)</code> + */ + public static String toSetter(String name) { + return "set" + name.toUpperCase().substring(0, 1) + name.substring(1); + } + + /** + * Compares a two types, assuming one is a primitive, to determine if the other is its object counterpart + */ + private static boolean primitiveAssignable(Class memberType, Class param) { + if (memberType == Integer.class) { + return param == Integer.TYPE; + } else if (memberType == Double.class) { + return param == Double.TYPE; + } else if (memberType == Float.class) { + return param == Float.TYPE; + } else if (memberType == Short.class) { + return param == Short.TYPE; + } else if (memberType == Character.class) { + return param == Character.TYPE; + } else if (memberType == Boolean.class) { + return param == Boolean.TYPE; + } else if (memberType == Byte.class) { + return param == Byte.TYPE; + } else if (param == Integer.class) { + return memberType == Integer.TYPE; + } else if (param == Double.class) { + return memberType == Double.TYPE; + } else if (param == Float.class) { + return memberType == Float.TYPE; + } else if (param == Short.class) { + return memberType == Short.TYPE; + } else if (param == Character.class) { + return memberType == Character.TYPE; + } else if (param == Boolean.class) { + return memberType == Boolean.TYPE; + } else if (param == Byte.class) { + return memberType == Byte.TYPE; + } else { + return false; + } + } + + /** + * Returns the generic types represented in the given type. Usage as follows: <code> + * JavaIntrospectionHelper.getGenerics(field.getGenericType()); + * <p/> + * JavaIntrospectionHelper.getGenerics(m.getGenericParameterTypes()[0];); </code> + * + * @return the generic types in order of declaration or an empty array if the type is not genericized + */ + public static List<? extends Type> getGenerics(Type genericType) { + List<Type> classes = new ArrayList<Type>(); + if (genericType instanceof ParameterizedType) { + ParameterizedType ptype = (ParameterizedType) genericType; + // get the type arguments + Type[] targs = ptype.getActualTypeArguments(); + for (Type targ : targs) { + classes.add(targ); + } + } + return classes; + } + + /** + * Returns the generic type specified by the class at the given position as in: + * <p/> + * <code> public class Foo<Bar,Baz>{ //.. } + * <p/> + * JavaIntrospectionHelper.introspectGeneric(Foo.class,1); <code> + * <p/> + * will return Baz. + */ + public static Class introspectGeneric(Class<?> clazz, int pos) { + assert clazz != null : "No class specified"; + Type type = clazz.getGenericSuperclass(); + if (type instanceof ParameterizedType) { + Type[] args = ((ParameterizedType) type).getActualTypeArguments(); + if (args.length <= pos) { + throw new IllegalArgumentException("Invalid index value for generic class " + clazz.getName()); + } + return (Class) ((ParameterizedType) type).getActualTypeArguments()[pos]; + } else { + Type[] interfaces = clazz.getGenericInterfaces(); + for (Type itype : interfaces) { + if (!(itype instanceof ParameterizedType)) { + continue; + } + ParameterizedType interfaceType = (ParameterizedType) itype; + return (Class) interfaceType.getActualTypeArguments()[0]; + } + } + return null; + } + + /** + * Returns the set of interfaces implemented by the given class and its ancestors or a blank set if none + */ + public static Set<Class> getAllInterfaces(Class clazz) { + Set<Class> implemented = new HashSet<Class>(); + getAllInterfaces(clazz, implemented); + return implemented; + } + + private static void getAllInterfaces(Class clazz, Set<Class> implemented) { + Class[] interfaces = clazz.getInterfaces(); + for (Class interfaze : interfaces) { + implemented.add(interfaze); + } + Class<?> superClass = clazz.getSuperclass(); + // Object has no superclass so check for null + if (superClass != null && !superClass.equals(Object.class)) { + getAllInterfaces(superClass, implemented); + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/BridgingInterceptor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/BridgingInterceptor.java new file mode 100644 index 0000000000..c1766fbb6f --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/BridgingInterceptor.java @@ -0,0 +1,29 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.apache.tuscany.spi.wire.Interceptor; + +/** + * Responsible for bridging an outbound to an inbound invocation chain associated with a source and target respectively + * + * @version $Rev$ $Date$ + */ +public interface BridgingInterceptor extends Interceptor { +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java new file mode 100644 index 0000000000..06f0e62f70 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/CallbackInterfaceInterceptor.java @@ -0,0 +1,60 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.osoa.sca.NoRegisteredCallbackException; + +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.Message; + +/** + * An interceptor applied to the outbound side of a wire that ensures the callback target implements the required + * service contract. This is required as callback targets may be set dynamically by service implementations. + * + * @version $Rev$ $Date$ + */ +public class CallbackInterfaceInterceptor implements Interceptor { + private boolean invokingServiceImplements; + private Interceptor next; + + public CallbackInterfaceInterceptor(boolean invokingServiceImplements) { + this.invokingServiceImplements = invokingServiceImplements; + } + + public Message invoke(Message msg) { + // TODO check in the context if a callback object is set, if so invoke next since the setCallback will + // perform the check + if (!invokingServiceImplements) { + throw new NoRegisteredCallbackException("Callback target does not implement the callback interface"); + } + return next.invoke(msg); + } + + public void setNext(Interceptor next) { + this.next = next; + } + + public Interceptor getNext() { + return next; + } + + public boolean isOptimizable() { + return false; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundInvocationChainImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundInvocationChainImpl.java new file mode 100644 index 0000000000..45b580d419 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundInvocationChainImpl.java @@ -0,0 +1,41 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.InboundInvocationChain; + +/** + * Contains a target-side invocation chain + * + * @version $Rev$ $Date$ + */ +public class InboundInvocationChainImpl extends InvocationChainImpl implements InboundInvocationChain { + + /** + * Creates an new target-side chain for the given operation + */ + public InboundInvocationChainImpl(Operation operation) { + super(operation); + } + + public void prepare() { + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundWireImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundWireImpl.java new file mode 100644 index 0000000000..b529cafbb6 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundWireImpl.java @@ -0,0 +1,166 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import java.util.HashMap; +import java.util.Map; +import javax.xml.namespace.QName; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.wire.InboundInvocationChain; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Default implementation of an inbound wire + * + * @version $Rev$ $Date$ + */ +public class InboundWireImpl implements InboundWire { + private QName bindingType = LOCAL_BINDING; + private String serviceName; + private ServiceContract serviceContract; + private OutboundWire targetWire; + private String callbackReferenceName; + private Map<Operation<?>, InboundInvocationChain> chains = new HashMap<Operation<?>, InboundInvocationChain>(); + private Map<Object, Map<Operation<?>, OutboundInvocationChain>> callbackSourceChainMaps = + new HashMap<Object, Map<Operation<?>, OutboundInvocationChain>>(); + private SCAObject container; + private AtomicComponent targetComponent; + private boolean optimizable; + + + /** + * Creates a local inbound wire + */ + public InboundWireImpl() { + } + + + /** + * Creates an inbound wire for the given binding type + * + * @param bindingType the binding type + */ + public InboundWireImpl(QName bindingType) { + this.bindingType = bindingType; + } + + public QName getBindingType() { + return bindingType; + } + + public Object getTargetService() throws TargetResolutionException { + // JFM fixme hack + if (targetWire == null && targetComponent != null) { + return targetComponent.getTargetInstance(); + } + assert targetWire != null; + // optimized, no interceptors or handlers on either end + return targetWire.getTargetService(); + } + + public ServiceContract getServiceContract() { + return serviceContract; + } + + public void setServiceContract(ServiceContract serviceContract) { + this.serviceContract = serviceContract; + } + + public void addInterface(Class claz) { + throw new UnsupportedOperationException("Additional proxy interfaces not yet supported"); + } + + public String getServiceName() { + return serviceName; + } + + public void setServiceName(String serviceName) { + this.serviceName = serviceName; + } + + public Map<Operation<?>, InboundInvocationChain> getInvocationChains() { + return chains; + } + + public void addInvocationChains(Map<Operation<?>, InboundInvocationChain> chains) { + this.chains.putAll(chains); + } + + public void addInvocationChain(Operation<?> operation, InboundInvocationChain chain) { + chains.put(operation, chain); + } + + public Map<Operation<?>, OutboundInvocationChain> getSourceCallbackInvocationChains(Object targetAddr) { + return callbackSourceChainMaps.get(targetAddr); + } + + public void addSourceCallbackInvocationChains(Object targetAddr, + Map<Operation<?>, OutboundInvocationChain> chains) { + callbackSourceChainMaps.put(targetAddr, chains); + } + + public void addSourceCallbackInvocationChain(Object targetAddr, + Operation operation, + OutboundInvocationChain chain) { + Map<Operation<?>, OutboundInvocationChain> chains = callbackSourceChainMaps.get(targetAddr); + if (chains == null) { + chains = new HashMap<Operation<?>, OutboundInvocationChain>(); + callbackSourceChainMaps.put(targetAddr, chains); + } + chains.put(operation, chain); + } + + public void setTargetWire(OutboundWire wire) { + targetWire = wire; + } + + public String getCallbackReferenceName() { + return callbackReferenceName; + } + + public void setCallbackReferenceName(String callbackReferenceName) { + this.callbackReferenceName = callbackReferenceName; + } + + public boolean isOptimizable() { + return optimizable; + } + + public void setOptimizable(boolean optimizable) { + this.optimizable = optimizable; + } + + public SCAObject getContainer() { + return container; + } + + public void setContainer(SCAObject container) { + if (container instanceof AtomicComponent) { + targetComponent = (AtomicComponent) container; + } + this.container = container; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/IncompatibleServiceContractExceptionFormatter.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/IncompatibleServiceContractExceptionFormatter.java new file mode 100644 index 0000000000..92da622d11 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/IncompatibleServiceContractExceptionFormatter.java @@ -0,0 +1,95 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import java.io.PrintWriter; + +import org.osoa.sca.annotations.Destroy; +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.wire.IncompatibleServiceContractException; + +import org.apache.tuscany.host.monitor.ExceptionFormatter; +import org.apache.tuscany.host.monitor.FormatterRegistry; + +/** + * Formats {@link org.apache.tuscany.spi.wire.IncompatibleServiceContractException} for JDK logging + * + * @version $Rev$ $Date$ + */ +@EagerInit +public class IncompatibleServiceContractExceptionFormatter implements ExceptionFormatter { + private FormatterRegistry factory; + + public IncompatibleServiceContractExceptionFormatter(@Autowire FormatterRegistry factory) { + this.factory = factory; + factory.register(this); + } + + public boolean canFormat(Class<?> type) { + return IncompatibleServiceContractException.class.isAssignableFrom(type); + } + + @Destroy + public void destroy() { + factory.unregister(this); + } + + public PrintWriter write(PrintWriter writer, Throwable exception) { + assert exception instanceof IncompatibleServiceContractException; + IncompatibleServiceContractException e = (IncompatibleServiceContractException) exception; + e.appendBaseMessage(writer); + ServiceContract<?> source = e.getSource(); + String sourceContractName = null; + if (source != null) { + sourceContractName = source.getInterfaceName(); + } + Operation<?> sourceOperation = e.getSourceOperation(); + String sourceOpName = null; + if (sourceOperation != null) { + sourceOpName = sourceOperation.getName(); + } + if (sourceOpName == null) { + writer.write("\nSource Contract: " + sourceContractName); + } else { + writer.write("\nSource Contract: " + sourceContractName + "/" + sourceOpName); + } + ServiceContract<?> target = e.getTarget(); + String targetContractName = null; + if (target != null) { + targetContractName = target.getInterfaceName(); + } + Operation<?> targetOperation = e.getTargetOperation(); + String targetOpName = null; + if (targetOperation != null) { + targetOpName = targetOperation.getName(); + } + if (targetOpName == null) { + writer.write("\nTarget Contract: " + targetContractName + "\n"); + } else { + writer.write("\nTarget Contract: " + targetContractName + "/" + targetOpName + "\n"); + + } + e.appendContextStack(writer); + return writer; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InvocationChainImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InvocationChainImpl.java new file mode 100644 index 0000000000..d93426af4c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InvocationChainImpl.java @@ -0,0 +1,107 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.InvocationChain; +import org.apache.tuscany.spi.wire.TargetInvoker; + +/** + * Contains functionality common to source- and target- side invocation chains + * + * @version $Rev$ $Date$ + */ +public abstract class InvocationChainImpl implements InvocationChain { + protected Operation operation; + protected TargetInvoker targetInvoker; + protected Interceptor interceptorChainHead; + protected Interceptor interceptorChainTail; + + + // the pointer to a bridged target head interceptor or null if the target has no interceptors + protected Interceptor targetInterceptorChainHead; + + public InvocationChainImpl(Operation operation) { + assert operation != null : "No operation type specified"; + this.operation = operation; + } + + public Operation getOperation() { + return operation; + } + + public void setTargetInvoker(TargetInvoker invoker) { + this.targetInvoker = invoker; + } + + public TargetInvoker getTargetInvoker() { + return targetInvoker; + } + + public void addInterceptor(Interceptor interceptor) { + if (interceptorChainHead == null) { + interceptorChainHead = interceptor; + } else { + interceptorChainTail.setNext(interceptor); + } + interceptorChainTail = interceptor; + } + + public void addInterceptor(int index, Interceptor interceptor) { + int i = 0; + Interceptor next = interceptorChainHead; + Interceptor prev = null; + while (next != null && i < index) { + prev = next; + next = next.getNext(); + i++; + } + if (i == index) { + if (prev != null) { + prev.setNext(interceptor); + } else { + interceptorChainHead = interceptor; + } + interceptor.setNext(next); + if (next == null) { + interceptorChainTail = interceptor; + } + } else { + throw new ArrayIndexOutOfBoundsException(index); + } + } + + public Interceptor getHeadInterceptor() { + return interceptorChainHead; + } + + public Interceptor getTailInterceptor() { + return interceptorChainTail; + } + + public void setTargetInterceptor(Interceptor interceptor) { + targetInterceptorChainHead = interceptor; + } + + public Interceptor getTargetInterceptor() { + return targetInterceptorChainHead; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InvokerInterceptor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InvokerInterceptor.java new file mode 100644 index 0000000000..90b17a930c --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/InvokerInterceptor.java @@ -0,0 +1,59 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.InvocationRuntimeException; +import org.apache.tuscany.spi.wire.Message; +import org.apache.tuscany.spi.wire.TargetInvoker; + +/** + * Serves as a tail interceptor on a target wire chain. This implementation dispatches to the target invoker passed + * inside the wire message. Target invokers are passed from the source in order to allow for caching of target + * instances. + * + * @version $Rev$ $Date$ + * @see org.apache.tuscany.spi.wire.TargetInvoker + */ +public class InvokerInterceptor implements Interceptor { + + public InvokerInterceptor() { + } + + public Message invoke(Message msg) throws InvocationRuntimeException { + TargetInvoker invoker = msg.getTargetInvoker(); + if (invoker == null) { + throw new InvocationRuntimeException("No target invoker specified on message"); + } + return invoker.invoke(msg); + } + + public void setNext(Interceptor next) { + throw new IllegalStateException("This interceptor must be the last one in an target interceptor chain"); + } + + public Interceptor getNext() { + return null; + } + + public boolean isOptimizable() { + return true; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/LoopBackWire.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/LoopBackWire.java new file mode 100644 index 0000000000..a2cd71cafe --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/LoopBackWire.java @@ -0,0 +1,33 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.apache.tuscany.spi.component.TargetResolutionException; + +/** + * A specialized wire that points back to its target container. Used to autowire to parent composites + * + * @version $Rev$ $Date$ + */ +public class LoopBackWire extends InboundWireImpl { + + public Object getTargetService() throws TargetResolutionException { + return getContainer(); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/NoMethodForOperationException.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/NoMethodForOperationException.java new file mode 100644 index 0000000000..aec281d190 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/NoMethodForOperationException.java @@ -0,0 +1,42 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.apache.tuscany.spi.wire.ProxyCreationException; + +/** + * Thrown when an {@link org.apache.tuscany.spi.model.Operation} cannot be mapped to a method on an interface + * @version $Rev$ $Date$ + */ +public class NoMethodForOperationException extends ProxyCreationException { + public NoMethodForOperationException() { + } + + public NoMethodForOperationException(String message) { + super(message); + } + + public NoMethodForOperationException(String message, Throwable cause) { + super(message, cause); + } + + public NoMethodForOperationException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/NonBlockingBridgingInterceptor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/NonBlockingBridgingInterceptor.java new file mode 100644 index 0000000000..225cab79bc --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/NonBlockingBridgingInterceptor.java @@ -0,0 +1,189 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import java.util.LinkedList; + +import org.osoa.sca.CompositeContext; +import org.osoa.sca.CurrentCompositeContext; +import org.osoa.sca.ServiceRuntimeException; + +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.services.work.WorkScheduler; +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.Message; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.model.Scope; + +/** + * Bridges interceptors in a non-blocking fashion between an {@link org.apache.tuscany.spi.wire.InboundInvocationChain} + * and an {@link org.apache.tuscany.spi.wire.OutboundInvocationChain} by using a {@link + * org.apache.tuscany.spi.component.WorkContext}. + * + * @version $$Rev$$ $$Date$$ + */ +public class NonBlockingBridgingInterceptor implements BridgingInterceptor { + + private static final Message RESPONSE = new ImmutableMessage(); + + private WorkScheduler workScheduler; + private WorkContext workContext; + private Interceptor next; + + public NonBlockingBridgingInterceptor(WorkScheduler workScheduler, WorkContext workContext) { + this.workScheduler = workScheduler; + this.workContext = workContext; + } + + public NonBlockingBridgingInterceptor(WorkScheduler workScheduler, WorkContext workContext, Interceptor next) { + this.workScheduler = workScheduler; + this.workContext = workContext; + this.next = next; + } + + public Message invoke(final Message msg) { + final CompositeContext currentContext = CurrentCompositeContext.getContext(); + // Retrieve conversation id to transfer to new thread + // Notice that we cannot clear the conversation id from the current thread + final Object conversationID = workContext.getIdentifier(Scope.CONVERSATION); + // Schedule the invocation of the next interceptor in a new Work instance + try { + workScheduler.scheduleWork(new Runnable() { + public void run() { + workContext.setCurrentCorrelationId(null); + // if we got a conversation id, transfer it to new thread + if (conversationID != null) { + workContext.setIdentifier(Scope.CONVERSATION, conversationID); + } + CompositeContext oldContext = CurrentCompositeContext.setContext(currentContext); + try { + next.invoke(msg); + } catch (Exception e) { + // REVIEW uncomment when it is available + // monitor.executionError(e); + e.printStackTrace(); + } finally { + CurrentCompositeContext.setContext(oldContext); + } + } + }); + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + return RESPONSE; + } + + public Interceptor getNext() { + return next; + } + + public void setNext(Interceptor next) { + this.next = next; + } + + public boolean isOptimizable() { + return false; + } + + /** + * A dummy message passed back on an invocation + */ + private static class ImmutableMessage implements Message { + + public Object getBody() { + return null; + } + + public void setBody(Object body) { + if (body != null) { + throw new UnsupportedOperationException(); + } + } + + public void setTargetInvoker(TargetInvoker invoker) { + throw new UnsupportedOperationException(); + } + + public TargetInvoker getTargetInvoker() { + return null; + } + + public Message getRelatedCallbackMessage() { + return null; + } + + public Object getFromAddress() { + return null; + } + + public void setFromAddress(Object fromAddress) { + throw new UnsupportedOperationException(); + } + + public Object popFromAddress() { + return null; + } + + public void pushFromAddress(Object fromAddress) { + throw new UnsupportedOperationException(); + } + + public LinkedList<Object> getCallbackRoutingChain() { + return null; + } + + public void setCallbackRoutingChain(LinkedList<Object> fromAddresses) { + throw new UnsupportedOperationException(); + } + + public Object getMessageId() { + return null; + } + + public void setMessageId(Object messageId) { + throw new UnsupportedOperationException(); + } + + public Object getCorrelationId() { + return null; + } + + public void setCorrelationId(Object correlationId) { + throw new UnsupportedOperationException(); + } + + public boolean isFault() { + return false; + } + + public void setBodyWithFault(Object fault) { + throw new UnsupportedOperationException(); + } + + public short getConversationSequence() { + return TargetInvoker.NONE; + } + + public void setConversationSequence(short sequence) { + + } + + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/OptimizedWireObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/OptimizedWireObjectFactory.java new file mode 100644 index 0000000000..4a4b268201 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/OptimizedWireObjectFactory.java @@ -0,0 +1,47 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Returns a target instance directly from a wire + * + * @version $Rev$ $Date$ + */ +public class OptimizedWireObjectFactory implements ObjectFactory { + + private OutboundWire wire; + + public OptimizedWireObjectFactory(OutboundWire factory) { + this.wire = factory; + } + + public Object getInstance() throws ObjectCreationException { + try { + return wire.getTargetService(); + } catch (TargetResolutionException e) { + throw new ObjectCreationException(e); + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundInvocationChainImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundInvocationChainImpl.java new file mode 100644 index 0000000000..a9d83cb7a0 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundInvocationChainImpl.java @@ -0,0 +1,53 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; + +/** + * Contains a outgoing invocation pipeline for a service operation. + * + * @version $Rev$ $Date$ + */ +public class OutboundInvocationChainImpl extends InvocationChainImpl implements OutboundInvocationChain { + + /** + * Creates an new outbound chain + */ + public OutboundInvocationChainImpl(Operation operation) { + super(operation); + } + + public void prepare() { + if (interceptorChainHead != null) { + if (targetInterceptorChainHead != null) { + // Connect source interceptor chain directly to target interceptor chain + interceptorChainTail.setNext(targetInterceptorChainHead); + } + } else { + // no source interceptor chain or source handlers, connect to target interceptor chain or channel + if (targetInterceptorChainHead != null) { + interceptorChainHead = targetInterceptorChainHead; + interceptorChainTail = targetInterceptorChainHead; + } + } + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundWireImpl.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundWireImpl.java new file mode 100644 index 0000000000..bad92ffe1e --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundWireImpl.java @@ -0,0 +1,176 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import java.util.HashMap; +import java.util.Map; +import javax.xml.namespace.QName; + +import org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.wire.InboundInvocationChain; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Default implementation of an outbound wire + * + * @version $Rev$ $Date$ + */ +public class OutboundWireImpl implements OutboundWire { + private QName bindingType = LOCAL_BINDING; + private ServiceContract serviceContract; + private Class<?>[] callbackInterfaces; + private Map<Operation<?>, OutboundInvocationChain> chains = new HashMap<Operation<?>, OutboundInvocationChain>(); + private Map<Operation<?>, InboundInvocationChain> callbackTargetChains = + new HashMap<Operation<?>, InboundInvocationChain>(); + private String referenceName; + private QualifiedName targetName; + private InboundWire targetWire; + private SCAObject container; + private boolean autowire; + private boolean optimizable; + + /** + * Creates a local outbound wire + */ + public OutboundWireImpl() { + } + + /** + * Creates an outbound wire for the given binding type + * + * @param bindingType the binding type + */ + public OutboundWireImpl(QName bindingType) { + this.bindingType = bindingType; + } + + public void setOptimizable(boolean optimizable) { + this.optimizable = optimizable; + } + + public QName getBindingType() { + return bindingType; + } + + public Object getTargetService() throws TargetResolutionException { + if (targetWire == null) { + return null; + } + // optimized, no interceptors or handlers on either end + return targetWire.getTargetService(); + } + + public ServiceContract getServiceContract() { + return serviceContract; + } + + public void setServiceContract(ServiceContract serviceContract) { + this.serviceContract = serviceContract; + } + + public void addInterface(Class<?> claz) { + throw new UnsupportedOperationException("Additional proxy interfaces not yet supported"); + } + + public void setCallbackInterface(Class<?> interfaze) { + callbackInterfaces = new Class[]{interfaze}; + } + + public Class<?> getCallbackInterface() { + return callbackInterfaces[0]; + } + + public void addCallbackInterface(Class<?> claz) { + throw new UnsupportedOperationException("Additional callback interfaces not yet supported"); + } + + public Class[] getImplementedCallbackInterfaces() { + return callbackInterfaces; + } + + public void setTargetWire(InboundWire wire) { + this.targetWire = wire; + } + + public Map<Operation<?>, OutboundInvocationChain> getInvocationChains() { + return chains; + } + + public void addInvocationChains(Map<Operation<?>, OutboundInvocationChain> chains) { + this.chains.putAll(chains); + } + + public void addInvocationChain(Operation<?> operation, OutboundInvocationChain chain) { + chains.put(operation, chain); + } + + public Map<Operation<?>, InboundInvocationChain> getTargetCallbackInvocationChains() { + return callbackTargetChains; + } + + public void addTargetCallbackInvocationChains(Map<Operation<?>, InboundInvocationChain> chains) { + callbackTargetChains.putAll(chains); + } + + public void addTargetCallbackInvocationChain(Operation operation, InboundInvocationChain chain) { + callbackTargetChains.put(operation, chain); + } + + public String getReferenceName() { + return referenceName; + } + + public void setReferenceName(String referenceName) { + this.referenceName = referenceName; + } + + public QualifiedName getTargetName() { + return targetName; + } + + public void setTargetName(QualifiedName targetName) { + this.targetName = targetName; + } + + public boolean isAutowire() { + return autowire; + } + + public void setAutowire(boolean autowire) { + this.autowire = autowire; + } + + public boolean isOptimizable() { + return optimizable; + } + + public SCAObject getContainer() { + return container; + } + + public void setContainer(SCAObject container) { + this.container = container; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/SynchronousBridgingInterceptor.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/SynchronousBridgingInterceptor.java new file mode 100644 index 0000000000..f09bda400a --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/SynchronousBridgingInterceptor.java @@ -0,0 +1,55 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.Message; + +/** + * Synchronously bridges interceptors between an {@link org.apache.tuscany.spi.wire.InboundInvocationChain} and an + * {@link org.apache.tuscany.spi.wire.OutboundInvocationChain}. + * + * @version $$Rev$$ $$Date$$ + */ +public class SynchronousBridgingInterceptor implements BridgingInterceptor { + private Interceptor next; + + public SynchronousBridgingInterceptor() { + } + + public SynchronousBridgingInterceptor(Interceptor next) { + this.next = next; + } + + public Message invoke(Message msg) { + return next.invoke(msg); + } + + public Interceptor getNext() { + return next; + } + + public void setNext(Interceptor next) { + this.next = next; + } + + public boolean isOptimizable() { + return true; + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/WireObjectFactory.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/WireObjectFactory.java new file mode 100644 index 0000000000..c04869e8f5 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/WireObjectFactory.java @@ -0,0 +1,84 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.wire.OutboundChainHolder; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.WireService; + +/** + * Uses a wire to return an object instance + * + * @version $Rev$ $Date$ + */ +public class WireObjectFactory<T> implements ObjectFactory<T> { + private Class<T> interfaze; + private OutboundWire wire; + private WireService wireService; + // the cache of proxy interface method to operation mappings + private Map<Method, OutboundChainHolder> mappings; + private boolean optimizable; + + /** + * Constructor. + * + * @param interfaze the interface to inject on the client + * @param wire the backing wire + * @param wireService the wire service to create the proxy + * @throws NoMethodForOperationException + */ + public WireObjectFactory(Class<T> interfaze, OutboundWire wire, WireService wireService) + throws NoMethodForOperationException { + this.interfaze = interfaze; + this.wire = wire; + this.wireService = wireService; + this.mappings = WireUtils.createInterfaceToWireMapping(interfaze, wire); + } + + public T getInstance() throws ObjectCreationException { + // note optimization must be done lazily as wire object factories are created during the build phase prior + // to the outbound and inbound wires being connected + if ((optimizable + || wire.isOptimizable()) + && wire.getServiceContract().getInterfaceClass() != null + && interfaze.isAssignableFrom(wire.getServiceContract().getInterfaceClass())) { + optimizable = true; + try { + return interfaze.cast(wire.getTargetService()); + } catch (TargetResolutionException e) { + throw new ObjectCreationException(e); + } + } + // clone the cached mappings + Map<Method, OutboundChainHolder> newChains = new HashMap<Method, OutboundChainHolder>(mappings.size()); + for (Map.Entry<Method, OutboundChainHolder> entry : mappings.entrySet()) { + newChains.put(entry.getKey(), entry.getValue().clone()); + } + return interfaze.cast(wireService.createProxy(interfaze, wire, newChains)); + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/WireServiceExtension.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/WireServiceExtension.java new file mode 100644 index 0000000000..460a6a40a8 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/WireServiceExtension.java @@ -0,0 +1,287 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import java.util.Map; + +import org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.ReferenceBinding; +import org.apache.tuscany.spi.component.ServiceBinding; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.ComponentType; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ReferenceTarget; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.model.ServiceDefinition; +import org.apache.tuscany.spi.policy.PolicyBuilderRegistry; +import org.apache.tuscany.spi.wire.InboundInvocationChain; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.IncompatibleServiceContractException; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.WireService; + +import org.apache.tuscany.core.binding.local.LocalReferenceBinding; + +/** + * Base class for wire service extensions + * + * @version $Rev$ $Date$ + */ +public abstract class WireServiceExtension implements WireService { + protected PolicyBuilderRegistry policyRegistry; + protected WorkContext context; + + protected WireServiceExtension(WorkContext context, PolicyBuilderRegistry policyRegistry) { + this.policyRegistry = policyRegistry; + this.context = context; + } + + public OutboundInvocationChain createOutboundChain(Operation<?> operation) { + return new OutboundInvocationChainImpl(operation); + } + + public InboundInvocationChain createInboundChain(Operation<?> operation) { + return new InboundInvocationChainImpl(operation); + } + + public InboundWire createWire(ServiceDefinition service) { + InboundWire wire = new InboundWireImpl(); + ServiceContract<?> contract = service.getServiceContract(); + wire.setServiceContract(contract); + wire.setServiceName(service.getName()); + for (Operation<?> operation : contract.getOperations().values()) { + InboundInvocationChain chain = createInboundChain(operation); + // TODO handle policy + chain.addInterceptor(new InvokerInterceptor()); + wire.addInvocationChain(operation, chain); + } + if (contract.getCallbackName() != null) { + wire.setCallbackReferenceName(service.getCallbackReferenceName()); + } + return wire; + } + + public void createWires(AtomicComponent component, ComponentDefinition<?> definition) { + Implementation<?> implementation = definition.getImplementation(); + ComponentType<?, ?, ?> componentType = implementation.getComponentType(); + // create incoming service wires + for (ServiceDefinition service : componentType.getServices().values()) { + InboundWire wire = createWire(service); + wire.setContainer(component); + component.addInboundWire(wire); + } + // create outgoing reference wires + for (ReferenceTarget referenceTarget : definition.getReferenceTargets().values()) { + Map<String, ? extends ReferenceDefinition> references = componentType.getReferences(); + ReferenceDefinition mappedReference = references.get(referenceTarget.getReferenceName()); + assert mappedReference != null; + OutboundWire wire = createWire(referenceTarget, mappedReference); + wire.setContainer(component); + component.addOutboundWire(wire); + } + } + + public void createWires(ReferenceBinding referenceBinding, ServiceContract<?> contract, QualifiedName targetName) { + InboundWire inboundWire = new InboundWireImpl(referenceBinding.getBindingType()); + inboundWire.setServiceContract(contract); + inboundWire.setContainer(referenceBinding); + for (Operation<?> operation : contract.getOperations().values()) { + InboundInvocationChain chain = createInboundChain(operation); + inboundWire.addInvocationChain(operation, chain); + } + OutboundWire outboundWire = new OutboundWireImpl(referenceBinding.getBindingType()); + outboundWire.setTargetName(targetName); + + // [rfeng] Check if the Reference has the binding contract + ServiceContract<?> bindingContract = referenceBinding.getBindingServiceContract(); + if (bindingContract == null) { + bindingContract = contract; + } + outboundWire.setServiceContract(bindingContract); + outboundWire.setContainer(referenceBinding); + for (Operation<?> operation : bindingContract.getOperations().values()) { + OutboundInvocationChain chain = createOutboundChain(operation); + if (referenceBinding instanceof LocalReferenceBinding) { + // Not ideal but the local binding case is special as its inbound and outbound wires are connected + // before the outbound wire is connected to the reference target. This requires the binding outbound + // chain to have an interceptor to connect to from the binding inbound chain. This outbound + // interceptor will then be bridged to the head target interceptor + chain.addInterceptor(new SynchronousBridgingInterceptor()); + } else { + chain.addInterceptor(new InvokerInterceptor()); + } + outboundWire.addInvocationChain(operation, chain); + } + // Add target callback chain to outbound wire + if (contract.getCallbackName() != null) { + outboundWire.setCallbackInterface(contract.getCallbackClass()); + for (Operation<?> operation : contract.getCallbackOperations().values()) { + InboundInvocationChain callbackTargetChain = createInboundChain(operation); + // TODO handle policy + callbackTargetChain.addInterceptor(new InvokerInterceptor()); + outboundWire.addTargetCallbackInvocationChain(operation, callbackTargetChain); + } + } + referenceBinding.setInboundWire(inboundWire); + referenceBinding.setOutboundWire(outboundWire); + } + + public void createWires(ServiceBinding serviceBinding, ServiceContract<?> contract, String targetName) { + InboundWire inboundWire = new InboundWireImpl(serviceBinding.getBindingType()); + // [rfeng] Check if the Reference has the serviceBinding contract + ServiceContract<?> bindingContract = serviceBinding.getBindingServiceContract(); + if (bindingContract == null) { + bindingContract = contract; + } + inboundWire.setServiceContract(bindingContract); + inboundWire.setContainer(serviceBinding); + for (Operation<?> operation : bindingContract.getOperations().values()) { + InboundInvocationChain inboundChain = createInboundChain(operation); + inboundChain.addInterceptor(new SynchronousBridgingInterceptor()); + inboundWire.addInvocationChain(operation, inboundChain); + } + + OutboundWire outboundWire = new OutboundWireImpl(serviceBinding.getBindingType()); + outboundWire.setServiceContract(contract); + outboundWire.setTargetName(new QualifiedName(targetName)); + outboundWire.setContainer(serviceBinding); + + for (Operation<?> operation : contract.getOperations().values()) { + OutboundInvocationChain outboundChain = createOutboundChain(operation); + outboundWire.addInvocationChain(operation, outboundChain); + } + + // Add target callback chain to outbound wire + if (contract.getCallbackName() != null) { + outboundWire.setCallbackInterface(contract.getCallbackClass()); + for (Operation<?> operation : contract.getCallbackOperations().values()) { + InboundInvocationChain callbackTargetChain = createInboundChain(operation); + // TODO handle policy + callbackTargetChain.addInterceptor(new InvokerInterceptor()); + outboundWire.addTargetCallbackInvocationChain(operation, callbackTargetChain); + } + } + serviceBinding.setInboundWire(inboundWire); + serviceBinding.setOutboundWire(outboundWire); + } + + /** + * Compares two operations for wiring compatibility as defined by the SCA assembly specification, namely: <p/> <ol> + * <li>compatibility for the individual method is defined as compatibility of the signature, that is method name, + * input types, and output types MUST BE the same. <li>the order of the input and output types also MUST BE the + * same. <li>the set of Faults and Exceptions expected by the source MUST BE the same or be a superset of those + * specified by the service. </ol> + * + * @param source the source contract to compare + * @param target the target contract to compare + * @throws org.apache.tuscany.spi.wire.IncompatibleServiceContractException + * if the two contracts don't match + */ + public void checkCompatibility(ServiceContract<?> source, ServiceContract<?> target, boolean ignoreCallback) + throws IncompatibleServiceContractException { + if (source == target) { + // Shortcut for performance + return; + } + if (source.isRemotable() != target.isRemotable()) { + throw new IncompatibleServiceContractException("Remotable settings do not match", source, target); + } + if (source.getInteractionScope() != target.getInteractionScope()) { + throw new IncompatibleServiceContractException("Interaction scopes settings do not match", source, target); + } + + for (Operation<?> operation : source.getOperations().values()) { + Operation<?> targetOperation = target.getOperations().get(operation.getName()); + if (targetOperation == null) { + throw new IncompatibleServiceContractException("Operation not found on target", source, target); + } + if (!operation.equals(targetOperation)) { + throw new IncompatibleServiceContractException("Target operations are not compatible", source, target); + } + } + + if (ignoreCallback) { + return; + } + + for (Operation<?> operation : source.getCallbackOperations().values()) { + Operation<?> targetOperation = target.getCallbackOperations().get(operation.getName()); + if (targetOperation == null) { + throw new IncompatibleServiceContractException("Callback operation not found on target", + source, + target, + null, + targetOperation); + } + if (!operation.equals(targetOperation)) { + throw new IncompatibleServiceContractException("Target callback operation is not compatible", + source, + target, + operation, + targetOperation); + } + } + } + + /** + * Creates a wire for flowing outbound invocations from a reference + * + * @param target the reference definition + * @param definition the reference target configuration + * @return the wire the outbound wire + */ + protected OutboundWire createWire(ReferenceTarget target, ReferenceDefinition definition) { + if (!definition.isAutowire() && target.getTargets().size() != 1) { + //TODO multiplicity + throw new UnsupportedOperationException(); + } + ServiceContract<?> contract = definition.getServiceContract(); + OutboundWire wire = new OutboundWireImpl(); + if (!definition.isAutowire()) { + QualifiedName qName = new QualifiedName(target.getTargets().get(0).toString()); + wire.setTargetName(qName); + } else { + wire.setAutowire(true); + } + wire.setServiceContract(contract); + wire.setReferenceName(target.getReferenceName()); + for (Operation<?> operation : contract.getOperations().values()) { + //TODO handle policy + OutboundInvocationChain chain = createOutboundChain(operation); + wire.addInvocationChain(operation, chain); + + } + if (contract.getCallbackName() != null) { + wire.setCallbackInterface(contract.getCallbackClass()); + for (Operation<?> operation : contract.getCallbackOperations().values()) { + InboundInvocationChain callbackTargetChain = createInboundChain(operation); + // TODO handle policy + callbackTargetChain.addInterceptor(new InvokerInterceptor()); + wire.addTargetCallbackInvocationChain(operation, callbackTargetChain); + } + } + return wire; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/WireUtils.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/WireUtils.java new file mode 100644 index 0000000000..73aa34e6bb --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/WireUtils.java @@ -0,0 +1,146 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire; + +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.SCAObject; +import static org.apache.tuscany.spi.idl.java.JavaIDLUtils.findMethod; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.InboundInvocationChain; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.Interceptor; +import org.apache.tuscany.spi.wire.OutboundChainHolder; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Utilities for operating on wires + * + * @version $Rev$ $Date$ + */ +public final class WireUtils { + + private WireUtils() { + } + + /** + * Maps invocation chains on a wire to corresponding methods + * + * @param wire the wire containing the invocation chains to map + * @param methods the methods to map to + * @return a collection containing the method to invocation chain mapping + * @throws NoMethodForOperationException + */ + public static Map<Method, InboundInvocationChain> createInboundMapping(InboundWire wire, Method[] methods) + throws NoMethodForOperationException { + Map<Method, InboundInvocationChain> chains = new HashMap<Method, InboundInvocationChain>(); + for (Map.Entry<Operation<?>, InboundInvocationChain> entry : wire.getInvocationChains().entrySet()) { + Operation<?> operation = entry.getKey(); + InboundInvocationChain chain = entry.getValue(); + Method method = findMethod(operation, methods); + if (method == null) { + throw new NoMethodForOperationException(operation.getName()); + } + chains.put(method, chain); + } + return chains; + } + + + /** + * Maps methods on an interface to operations on a wire + * + * @param interfaze the interface to map from + * @param wire the wire to map to + * @return a collection of method to operation mappings + * @throws NoMethodForOperationException + */ + public static Map<Method, OutboundChainHolder> createInterfaceToWireMapping(Class<?> interfaze, OutboundWire wire) + throws NoMethodForOperationException { + Map<Operation<?>, OutboundInvocationChain> invocationChains = wire.getInvocationChains(); + Map<Method, OutboundChainHolder> chains = new HashMap<Method, OutboundChainHolder>(invocationChains.size()); + Method[] methods = interfaze.getMethods(); + for (Map.Entry<Operation<?>, OutboundInvocationChain> entry : invocationChains.entrySet()) { + Operation operation = entry.getKey(); + Method method = findMethod(operation, methods); + if (method == null) { + throw new NoMethodForOperationException(operation.getName()); + } + chains.put(method, new OutboundChainHolder(entry.getValue())); + } + return chains; + } + + /** + * Determines if the given wire is optimizable, i.e. its invocation chains may be bypassed during an invocation. + * This is typically calculated during the connect phase to optimize away invocation chains. + * + * @param wire the wire + * @return true if the wire is optimizable + */ + public static boolean isOptimizable(OutboundWire wire) { + for (OutboundInvocationChain chain : wire.getInvocationChains().values()) { + if (chain.getHeadInterceptor() != null) { + Interceptor current = chain.getHeadInterceptor(); + if (current == null) { + break; + } + while (current != null) { + if (!current.isOptimizable()) { + return false; + } + current = current.getNext(); + } + } + } + // if there is a callback, the wire is never optimizable since the callback target needs to be disambiguated + return wire.getTargetCallbackInvocationChains().isEmpty(); + } + + /** + * Determines if the given wire is optimizable, i.e. its invocation chains may be bypassed during an invocation. + * This is typically calculated during the connect phase to optimize away invocation chains. + * + * @param wire the wire + * @return true if the wire is optimizable + */ + public static boolean isOptimizable(InboundWire wire) { + SCAObject container = wire.getContainer(); + if (!(container instanceof Component) || !((Component) container).isOptimizable()) { + return false; + } + for (InboundInvocationChain chain : wire.getInvocationChains().values()) { + if (chain.getHeadInterceptor() != null) { + Interceptor current = chain.getHeadInterceptor(); + while (current != null) { + if (!current.isOptimizable()) { + return false; + } + current = current.getNext(); + } + } + } + return true; + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKCallbackInvocationHandler.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKCallbackInvocationHandler.java new file mode 100644 index 0000000000..741ef21794 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKCallbackInvocationHandler.java @@ -0,0 +1,137 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire.jdk; + +import java.io.Externalizable; +import java.io.IOException; +import java.io.ObjectInput; +import java.io.ObjectOutput; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.LinkedList; +import java.util.Map; + +import org.osoa.sca.NoRegisteredCallbackException; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.ReactivationException; +import org.apache.tuscany.spi.component.SCAExternalizable; +import org.apache.tuscany.spi.component.WorkContext; +import static org.apache.tuscany.spi.idl.java.JavaIDLUtils.findOperation; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.AbstractOutboundInvocationHandler; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.WireInvocationHandler; + + +/** + * Responsible for invoking on an outbound wire associated with a callback. The handler retrieves the correct outbound + * callback wire from the work context. + * <p/> + * TODO cache target invoker + * + * @version $Rev$ $Date$ + */ +public class JDKCallbackInvocationHandler extends AbstractOutboundInvocationHandler + implements WireInvocationHandler, InvocationHandler, Externalizable, SCAExternalizable { + private transient WorkContext context; + private transient InboundWire wire; + private String serviceName; + + /** + * Constructor used for deserialization only + */ + public JDKCallbackInvocationHandler() { + } + + public JDKCallbackInvocationHandler(InboundWire wire, WorkContext context) { + this.context = context; + this.wire = wire; + this.serviceName = wire.getServiceName(); + } + + @SuppressWarnings({"unchecked"}) + public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { + if (method.getParameterTypes().length == 0 && "toString".equals(method.getName())) { + return "[Proxy - " + Integer.toHexString(hashCode()) + "]"; + } else if (method.getDeclaringClass().equals(Object.class) + && "equals".equals(method.getName())) { + // TODO implement + throw new UnsupportedOperationException(); + } else if (Object.class.equals(method.getDeclaringClass()) + && "hashCode".equals(method.getName())) { + return hashCode(); + // TODO beter hash algorithm + } + Object correlationId = context.getCurrentCorrelationId(); + context.setCurrentCorrelationId(null); + LinkedList<Object> callbackRoutingChain = (LinkedList<Object>) context.getCurrentCallbackRoutingChain().clone(); + if (callbackRoutingChain == null) { + throw new AssertionError("Missing stack of from addresses"); + } + Object targetAddress = callbackRoutingChain.removeFirst(); + if (targetAddress == null) { + throw new AssertionError("Popped a null from address from stack"); + } + //TODO optimize as this is slow in local invocations + Map<Operation<?>, OutboundInvocationChain> sourceCallbackInvocationChains = + wire.getSourceCallbackInvocationChains(targetAddress); + Operation operation = findOperation(method, sourceCallbackInvocationChains.keySet()); + OutboundInvocationChain chain = sourceCallbackInvocationChains.get(operation); + TargetInvoker invoker = chain.getTargetInvoker(); + + try { + return invoke(chain, invoker, args, correlationId, callbackRoutingChain); + } catch (InvocationTargetException e) { + Throwable t = e.getCause(); + if (t instanceof NoRegisteredCallbackException) { + throw t; + } + throw e; + } + } + + + public Object invoke(Method method, Object[] args) throws Throwable { + return invoke(null, method, args); + } + + public void writeExternal(ObjectOutput out) throws IOException { + out.writeObject(serviceName); + } + + public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { + serviceName = (String) in.readObject(); + } + + public void setWorkContext(WorkContext context) { + this.context = context; + } + + public void reactivate() throws ReactivationException { + AtomicComponent owner = context.getCurrentAtomicComponent(); + if (owner == null) { + throw new ReactivationException("Current atomic component not set on work context"); + } + wire = owner.getInboundWire(serviceName); + } +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKInboundInvocationHandler.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKInboundInvocationHandler.java new file mode 100644 index 0000000000..d0d82484e3 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKInboundInvocationHandler.java @@ -0,0 +1,173 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire.jdk; + +import java.io.Externalizable; +import java.io.IOException; +import java.io.ObjectInput; +import java.io.ObjectOutput; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.ReactivationException; +import org.apache.tuscany.spi.component.SCAExternalizable; +import org.apache.tuscany.spi.component.TargetInvocationException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.wire.AbstractInboundInvocationHandler; +import org.apache.tuscany.spi.wire.InboundInvocationChain; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.WireInvocationHandler; + +import org.apache.tuscany.core.wire.WireUtils; + + +/** + * Receives a request from a proxy and performs an invocation on an {@link org.apache.tuscany.spi.wire.InboundWire} via + * an {@link InboundInvocationChain} + * + * @version $Rev$ $Date$ + */ +public final class JDKInboundInvocationHandler extends AbstractInboundInvocationHandler + implements WireInvocationHandler, InvocationHandler, Externalizable, SCAExternalizable { + private static final long serialVersionUID = -307902641125881043L; + + /* + * an association of an operation to chain holder. The holder contains the invocation chain + * and a local clone of the master TargetInvoker. TargetInvokers will be cloned by the handler and placed in the + * holder if they are cacheable. This allows optimizations such as avoiding target resolution when a source refers + * to a target of greater scope since the target reference can be maintained by the invoker. When a target invoker + * is not cacheable, the master associated with the wire chains will be used. + */ + private transient Map<Method, ChainHolder> chains; + private transient WorkContext context; + private String serviceName; + private Class<?> interfaze; + + /** + * Constructor used for deserialization only + */ + public JDKInboundInvocationHandler() { + } + + public JDKInboundInvocationHandler(Class<?> interfaze, InboundWire wire, WorkContext context) { + this.context = context; + this.serviceName = wire.getServiceName(); + this.interfaze = interfaze; + init(interfaze, wire); + } + + public void setWorkContext(WorkContext context) { + this.context = context; + } + + /** + * Dispatches a client request made on a proxy + */ + public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { + ChainHolder holder = chains.get(method); + if (holder == null) { + if (method.getParameterTypes().length == 0 && "toString".equals(method.getName())) { + return "[Proxy - " + Integer.toHexString(hashCode()) + "]"; + } else if (method.getDeclaringClass().equals(Object.class) + && "equals".equals(method.getName())) { + // TODO implement + throw new UnsupportedOperationException(); + } else if (Object.class.equals(method.getDeclaringClass()) + && "hashCode".equals(method.getName())) { + return hashCode(); + // TODO beter hash algorithm + } + throw new TargetInvocationException("Operation not configured", method.getName()); + } + InboundInvocationChain chain = holder.chain; + TargetInvoker invoker; + if (holder.cachedInvoker == null) { + assert chain != null; + if (chain.getTargetInvoker() == null) { + String name = chain.getOperation().getName(); + throw new TargetInvocationException("No target invoker configured for operation", name); + } + if (chain.getTargetInvoker().isCacheable()) { + // clone and store the invoker locally + holder.cachedInvoker = (TargetInvoker) chain.getTargetInvoker().clone(); + invoker = holder.cachedInvoker; + } else { + invoker = chain.getTargetInvoker(); + } + } else { + assert chain != null; + invoker = chain.getTargetInvoker(); + } + context.setCurrentCorrelationId(null); + return invoke(chain, invoker, args); + } + + + public Object invoke(Method method, Object[] args) throws Throwable { + return invoke(null, method, args); + } + + public void writeExternal(ObjectOutput out) throws IOException { + out.writeObject(serviceName); + out.writeObject(interfaze); + } + + public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { + serviceName = (String) in.readObject(); + interfaze = (Class<?>) in.readObject(); + } + + public void reactivate() throws ReactivationException { + // TODO this method will be extremely slow - look to optimize + AtomicComponent owner = context.getCurrentAtomicComponent(); + if (owner == null) { + throw new ReactivationException("Current atomic component not set on work context"); + } + InboundWire wire = owner.getInboundWire(serviceName); + init(interfaze, wire); + } + + private void init(Class<?> interfaze, InboundWire wire) { + this.chains = new HashMap<Method, ChainHolder>(); + Method[] methods = interfaze.getMethods(); + Map<Method, InboundInvocationChain> invocationChains = WireUtils.createInboundMapping(wire, methods); + for (Map.Entry<Method, InboundInvocationChain> entry : invocationChains.entrySet()) { + this.chains.put(entry.getKey(), new ChainHolder(entry.getValue())); + } + } + + /** + * A holder used to associate an wire chain with a local copy of a target invoker that was previously cloned from + * the chain master + */ + private class ChainHolder { + InboundInvocationChain chain; + TargetInvoker cachedInvoker; + + public ChainHolder(InboundInvocationChain config) { + this.chain = config; + } + + } + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKOutboundInvocationHandler.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKOutboundInvocationHandler.java new file mode 100644 index 0000000000..99cfb3c627 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKOutboundInvocationHandler.java @@ -0,0 +1,249 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire.jdk; + +import java.io.Externalizable; +import java.io.IOException; +import java.io.ObjectInput; +import java.io.ObjectOutput; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.util.List; +import java.util.Map; +import java.util.UUID; + +import org.osoa.sca.NoRegisteredCallbackException; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.ReactivationException; +import org.apache.tuscany.spi.component.SCAExternalizable; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetInvocationException; +import org.apache.tuscany.spi.component.WorkContext; +import static org.apache.tuscany.spi.model.InteractionScope.CONVERSATIONAL; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.wire.AbstractOutboundInvocationHandler; +import org.apache.tuscany.spi.wire.OutboundChainHolder; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.WireInvocationHandler; + +import org.apache.tuscany.core.implementation.PojoAtomicComponent; +import org.apache.tuscany.core.wire.NoMethodForOperationException; +import org.apache.tuscany.core.wire.WireUtils; + + +/** + * Receives a request from a proxy and performs an invocation on an {@link org.apache.tuscany.spi.wire.OutboundWire} via + * an {@link org.apache.tuscany.spi.wire.OutboundInvocationChain} + * + * @version $Rev$ $Date$ + */ +public final class JDKOutboundInvocationHandler extends AbstractOutboundInvocationHandler + implements WireInvocationHandler, InvocationHandler, Externalizable, SCAExternalizable { + private static final long serialVersionUID = -6155278451964527325L; + + /* + * an association of an operation to chain holder. The holder contains an invocation chain + * and a local clone of the master TargetInvoker. TargetInvokers will be cloned by the handler and placed in the + * holder if they are cacheable. This allows optimizations such as avoiding target resolution when a source refers + * to a target of greater scope since the target reference can be maintained by the invoker. When a target invoker + * is not cacheable, the master associated with the wire chains will be used. + */ + private transient Map<Method, OutboundChainHolder> chains; + private transient WorkContext workContext; + private transient Object fromAddress; + private transient boolean wireContainerIsAtomicComponent; + private transient boolean contractHasCallback; + private transient boolean callbackIsImplemented; + private transient String callbackClassName; + private transient boolean contractIsRemotable; + private transient boolean contractIsConversational; + private transient String convIdForRemotableTarget; + private transient String convIdFromThread; + private String referenceName; + private Class<?> interfaze; + + /** + * Constructor used for deserialization only + */ + public JDKOutboundInvocationHandler() { + } + + public JDKOutboundInvocationHandler(Class<?> interfaze, OutboundWire wire, WorkContext workContext) + throws NoMethodForOperationException { + this.workContext = workContext; + this.interfaze = interfaze; + init(interfaze, wire, null); + } + + public JDKOutboundInvocationHandler(Class<?> interfaze, + OutboundWire wire, + Map<Method, OutboundChainHolder> mapping, + WorkContext workContext) + throws NoMethodForOperationException { + this.workContext = workContext; + this.interfaze = interfaze; + init(interfaze, wire, mapping); + } + + public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { + OutboundChainHolder holder = chains.get(method); + if (holder == null) { + if (method.getParameterTypes().length == 0 && "toString".equals(method.getName())) { + return "[Proxy - " + Integer.toHexString(hashCode()) + "]"; + } else if (method.getDeclaringClass().equals(Object.class) + && "equals".equals(method.getName())) { + // TODO implement + throw new UnsupportedOperationException(); + } else if (Object.class.equals(method.getDeclaringClass()) + && "hashCode".equals(method.getName())) { + return hashCode(); + // TODO beter hash algorithm + } + throw new TargetInvocationException("Operation not configured", method.getName()); + } + OutboundInvocationChain chain = holder.getChain(); + TargetInvoker invoker; + + if (holder.getCachedInvoker() == null) { + assert chain != null; + if (chain.getTargetInvoker() == null) { + String name = chain.getOperation().getName(); + throw new TargetInvocationException("No target invoker configured for operation", name); + } + if (chain.getTargetInvoker().isCacheable()) { + // clone and store the invoker locally + holder.setCachedInvoker((TargetInvoker) chain.getTargetInvoker().clone()); + invoker = holder.getCachedInvoker(); + } else { + invoker = chain.getTargetInvoker(); + } + } else { + assert chain != null; + invoker = chain.getTargetInvoker(); + } + + if (wireContainerIsAtomicComponent && contractHasCallback && !callbackIsImplemented) { + throw new NoRegisteredCallbackException("Instance is does not implement callback: " + + callbackClassName); + } + + if (contractIsConversational) { + assert workContext != null : "Work context cannot be null for conversational invocation"; + // Check for a conv id on thread and remember it + convIdFromThread = (String) workContext.getIdentifier(Scope.CONVERSATION); + if (contractIsRemotable) { + if (convIdForRemotableTarget == null) { + convIdForRemotableTarget = createConversationID(); + } + // Always use the conv id for this target + workContext.setIdentifier(Scope.CONVERSATION, convIdForRemotableTarget); + } else if (convIdFromThread == null) { + String newConvId = createConversationID(); + workContext.setIdentifier(Scope.CONVERSATION, newConvId); + } + } + + Object result = invoke(chain, invoker, args, null, null); + if (contractIsConversational && contractIsRemotable) { + // Make sure we restore the remembered conv id to continue propagating + workContext.setIdentifier(Scope.CONVERSATION, convIdFromThread); + } + return result; + } + + public Object invoke(Method method, Object[] args) throws Throwable { + return invoke(null, method, args); + } + + protected Object getFromAddress() { + return contractHasCallback ? fromAddress : null; + } + + public void setWorkContext(WorkContext context) { + workContext = context; + } + + public void writeExternal(ObjectOutput out) throws IOException { + out.writeObject(referenceName); + out.writeObject(interfaze); + } + + public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { + referenceName = (String) in.readObject(); + interfaze = (Class<?>) in.readObject(); + } + + public void reactivate() throws ReactivationException { + AtomicComponent owner = workContext.getCurrentAtomicComponent(); + if (owner == null) { + throw new ReactivationException("Current atomic component not set on work context"); + } + List<OutboundWire> wires = owner.getOutboundWires().get(referenceName); + if (wires == null) { + throw new ReactivationException("Reference wire not found", referenceName, owner.getName()); + } + // TODO handle multiplicity + OutboundWire wire = wires.get(0); + try { + init(interfaze, wire, null); + } catch (NoMethodForOperationException e) { + throw new ReactivationException(e); + } + } + + private void init(Class<?> interfaze, OutboundWire wire, Map<Method, OutboundChainHolder> mapping) + throws NoMethodForOperationException { + ServiceContract contract = wire.getServiceContract(); + this.referenceName = wire.getReferenceName(); + SCAObject wireContainer = wire.getContainer(); + this.fromAddress = (wireContainer == null) ? null : wireContainer.getName(); + this.contractIsConversational = contract.getInteractionScope().equals(CONVERSATIONAL); + this.contractIsRemotable = contract.isRemotable(); + this.contractHasCallback = contract.getCallbackClass() != null; + if (contractHasCallback) { + this.callbackClassName = contract.getCallbackClass().getName(); + } else { + this.callbackClassName = null; + } + // FIXME JFM this should be done during the callback and not be dependent on PojoAtomicComponent + this.wireContainerIsAtomicComponent = wireContainer instanceof PojoAtomicComponent; + if (wireContainerIsAtomicComponent && contractHasCallback) { + this.callbackIsImplemented = + ((PojoAtomicComponent) wireContainer).implementsCallback(contract.getCallbackClass()); + } else { + this.callbackIsImplemented = false; + } + if (mapping == null) { + chains = WireUtils.createInterfaceToWireMapping(interfaze, wire); + } else { + chains = mapping; + } + } + + // TODO Temporary fix to return a string with a UUID + private String createConversationID() { + return UUID.randomUUID().toString(); + } + + +} diff --git a/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKWireService.java b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKWireService.java new file mode 100644 index 0000000000..e15b851351 --- /dev/null +++ b/sca-java-1.x/branches/pre-spec-changes/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKWireService.java @@ -0,0 +1,114 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.core.wire.jdk; + +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.util.Map; + +import org.osoa.sca.annotations.Constructor; +import org.osoa.sca.annotations.EagerInit; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.policy.PolicyBuilderRegistry; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundChainHolder; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.ProxyCreationException; +import org.apache.tuscany.spi.wire.Wire; +import org.apache.tuscany.spi.wire.WireInvocationHandler; + +import org.apache.tuscany.core.wire.WireServiceExtension; + +/** + * the default implementation of a wire service that uses JDK dynamic proxies + * + * @version $$Rev$$ $$Date$$ + */ +@EagerInit +public class JDKWireService extends WireServiceExtension { + + public JDKWireService() { + super(null, null); + } + + @Constructor + public JDKWireService(@Autowire WorkContext context, @Autowire PolicyBuilderRegistry policyRegistry) { + super(context, policyRegistry); + } + + public <T> T createProxy(Class<T> interfaze, Wire wire) throws ProxyCreationException { + assert interfaze != null; + assert wire != null; + if (wire instanceof InboundWire) { + InboundWire inbound = (InboundWire) wire; + JDKInboundInvocationHandler handler = new JDKInboundInvocationHandler(interfaze, inbound, context); + ClassLoader cl = interfaze.getClassLoader(); + return interfaze.cast(Proxy.newProxyInstance(cl, new Class[]{interfaze}, handler)); + } else if (wire instanceof OutboundWire) { + OutboundWire outbound = (OutboundWire) wire; + JDKOutboundInvocationHandler handler = new JDKOutboundInvocationHandler(interfaze, outbound, context); + ClassLoader cl = interfaze.getClassLoader(); + return interfaze.cast(Proxy.newProxyInstance(cl, new Class[]{interfaze}, handler)); + } else { + throw new ProxyCreationException("Invalid wire type", wire.getClass().getName()); + } + } + + public <T> T createProxy(Class<T> interfaze, Wire wire, Map<Method, OutboundChainHolder> mapping) + throws ProxyCreationException { + assert interfaze != null; + assert wire != null; + assert mapping != null; + if (wire instanceof InboundWire) { + InboundWire inbound = (InboundWire) wire; + JDKInboundInvocationHandler handler = new JDKInboundInvocationHandler(interfaze, inbound, context); + ClassLoader cl = interfaze.getClassLoader(); + return interfaze.cast(Proxy.newProxyInstance(cl, new Class[]{interfaze}, handler)); + } else if (wire instanceof OutboundWire) { + OutboundWire outbound = (OutboundWire) wire; + JDKOutboundInvocationHandler handler = new JDKOutboundInvocationHandler(interfaze, outbound, context); + ClassLoader cl = interfaze.getClassLoader(); + return interfaze.cast(Proxy.newProxyInstance(cl, new Class[]{interfaze}, handler)); + } else { + throw new ProxyCreationException("Invalid wire type", wire.getClass().getName()); + } + } + + public Object createCallbackProxy(Class<?> interfaze, InboundWire wire) throws ProxyCreationException { + ClassLoader cl = interfaze.getClassLoader(); + JDKCallbackInvocationHandler handler = new JDKCallbackInvocationHandler(wire, context); + return interfaze.cast(Proxy.newProxyInstance(cl, new Class[]{interfaze}, handler)); + } + + public WireInvocationHandler createHandler(Class<?> interfaze, Wire wire) { + assert wire != null; + if (wire instanceof InboundWire) { + InboundWire inbound = (InboundWire) wire; + return new JDKInboundInvocationHandler(interfaze, inbound, context); + } else if (wire instanceof OutboundWire) { + OutboundWire outbound = (OutboundWire) wire; + return new JDKOutboundInvocationHandler(interfaze, outbound, context); + } else { + throw new ProxyCreationException("Invalid wire type", wire.getClass().getName()); + } + } + +} |