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Diffstat (limited to 'sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache')
230 files changed, 23596 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/Bootstrapper.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultBootstrapper.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultBootstrapper.java new file mode 100644 index 0000000000..d42e07cbb8 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultBootstrapper.java @@ -0,0 +1,247 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.core.builder.BuilderRegistryImpl; +import org.apache.tuscany.core.builder.ConnectorImpl; +import org.apache.tuscany.core.component.WorkContextImpl; +import org.apache.tuscany.core.component.scope.ModuleScopeObjectFactory; +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.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.ScopeProcessor; +import org.apache.tuscany.core.implementation.processor.ServiceProcessor; +import org.apache.tuscany.core.implementation.system.builder.SystemBindingBuilder; +import org.apache.tuscany.core.implementation.system.builder.SystemComponentBuilder; +import org.apache.tuscany.core.implementation.system.builder.SystemCompositeBuilder; +import org.apache.tuscany.core.implementation.system.loader.SystemBindingLoader; +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.SystemBinding; +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.host.MonitorFactory; +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.BuilderRegistry; +import org.apache.tuscany.spi.builder.Connector; +import org.apache.tuscany.spi.component.CompositeComponent; +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; + +/** + * 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; + + /** + * 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 + */ + public DefaultBootstrapper(MonitorFactory monitorFactory, XMLInputFactory xmlFactory) { + this.monitorFactory = monitorFactory; + this.xmlFactory = xmlFactory; + } + + /** + * 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, runtime, null, null); + runtime.setSystemComponent(systemComponent); + CompositeComponent rootComponent = + new CompositeComponentImpl(ComponentNames.TUSCANY_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); + return new DeployerImpl(xmlFactory, loader, builder); + } + + /** + * Create a basic ScopeRegistry containing the ScopeContainers that are available to components in the system + * definition. The implementation returned only support MODULE scope. + * + * @param workContext the WorkContext the scopes should use + * @return a new ScopeRegistry + */ + public ScopeRegistry createScopeRegistry(WorkContext workContext) { + ScopeRegistry scopeRegistry = new ScopeRegistryImpl(workContext); + new ModuleScopeObjectFactory(scopeRegistry); // self-registers + 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> <li>binding.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)); + registerLoader(loaderRegistry, + new InterfaceJavaLoader(loaderRegistry, new JavaInterfaceProcessorRegistryImpl())); + registerLoader(loaderRegistry, new PropertyLoader(loaderRegistry)); + registerLoader(loaderRegistry, new ReferenceLoader(loaderRegistry)); + registerLoader(loaderRegistry, new ServiceLoader(loaderRegistry)); + registerLoader(loaderRegistry, new SystemImplementationLoader(loaderRegistry)); + registerLoader(loaderRegistry, new SystemBindingLoader(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 introspectionRegistry = + new IntrospectionRegistryImpl(monitorFactory.getMonitor(IntrospectionRegistryImpl.Monitor.class)); + introspectionRegistry.registerProcessor(new ConstructorProcessor(service)); + introspectionRegistry.registerProcessor(new DestroyProcessor()); + introspectionRegistry.registerProcessor(new InitProcessor()); + introspectionRegistry.registerProcessor(new ScopeProcessor()); + introspectionRegistry.registerProcessor(new PropertyProcessor(service)); + introspectionRegistry.registerProcessor(new ReferenceProcessor(registry)); + 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) { + BuilderRegistry builderRegistry = new BuilderRegistryImpl(scopeRegistry); + SystemCompositeBuilder builder = new SystemCompositeBuilder(builderRegistry, createConnector()); + builderRegistry.register(SystemCompositeImplementation.class, builder); + builderRegistry.register(SystemImplementation.class, new SystemComponentBuilder()); + builderRegistry.register(SystemBinding.class, new SystemBindingBuilder()); + return builderRegistry; + } + +}
\ No newline at end of file diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultRuntime.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultRuntime.java new file mode 100644 index 0000000000..78a317df2c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/bootstrap/DefaultRuntime.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.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.deployer.Deployer; + +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() { + return systemComponent.resolveExternalInstance(Deployer.class); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/builder/BuilderRegistryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/builder/BuilderRegistryImpl.java new file mode 100644 index 0000000000..c899af1a13 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/builder/BuilderRegistryImpl.java @@ -0,0 +1,202 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.lang.reflect.ParameterizedType; +import java.lang.reflect.Type; +import java.util.HashMap; +import java.util.Map; + +import org.osoa.sca.annotations.Init; +import org.osoa.sca.annotations.Scope; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.builder.BindingBuilder; +import org.apache.tuscany.spi.builder.BindlessBuilder; +import org.apache.tuscany.spi.builder.BuilderConfigException; +import org.apache.tuscany.spi.builder.BuilderRegistry; +import org.apache.tuscany.spi.builder.ComponentBuilder; +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.SCAObject; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.component.SystemAtomicComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.model.Binding; +import org.apache.tuscany.spi.model.BindlessServiceDefinition; +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.ReferenceDefinition; +import org.apache.tuscany.spi.model.ServiceContract; +import org.apache.tuscany.spi.wire.WireService; + +/** + * The default builder registry in the runtime + * + * @version $Rev$ $Date$ + */ +@Scope("MODULE") +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 Binding>, + BindingBuilder<? extends Binding>> bindingBuilders = + new HashMap<Class<? extends Binding>, BindingBuilder<? extends Binding>>(); + private BindlessBuilder bindlessBuilder; + + public BuilderRegistryImpl() { + } + + public BuilderRegistryImpl(ScopeRegistry scopeRegistry) { + this.scopeRegistry = scopeRegistry; + } + + @Init(eager = true) + public void init() { + } + + @Autowire + public void setScopeRegistry(ScopeRegistry scopeRegistry) { + this.scopeRegistry = scopeRegistry; + } + + @Autowire + public void setWireService(WireService wireService) { + 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); + } + + @SuppressWarnings("unchecked") + public <I extends Implementation<?>> Component build(CompositeComponent parent, + ComponentDefinition<I> componentDefinition, + DeploymentContext deploymentContext) { + Class<?> implClass = componentDefinition.getImplementation().getClass(); + ComponentBuilder<I> componentBuilder = (ComponentBuilder<I>) componentBuilders.get(implClass); + if (componentBuilder == null) { + BuilderConfigException e = new BuilderConfigException("No builder registered for implementation"); + e.setIdentifier(implClass.getName()); + e.addContextName(componentDefinition.getName()); + throw e; + } + + Component component = componentBuilder.build(parent, componentDefinition, deploymentContext); + ComponentType<?, ?, ?> componentType = componentDefinition.getImplementation().getComponentType(); + assert componentType != null : "Component type must be set"; + // create wires for the component + if (wireService != null && !(component instanceof SystemAtomicComponent)) { + wireService.createWires(component, componentDefinition); + } + return component; + } + + @SuppressWarnings("unchecked") + public <B extends Binding> void register(BindingBuilder<B> builder) { + Type[] interfaces = builder.getClass().getGenericInterfaces(); + for (Type type : interfaces) { + if (!(type instanceof ParameterizedType)) { + continue; + } + ParameterizedType interfaceType = (ParameterizedType) type; + if (!BindingBuilder.class.equals(interfaceType.getRawType())) { + continue; + } + Class<B> implClass = (Class<B>) interfaceType.getActualTypeArguments()[0]; + register(implClass, builder); + return; + } + throw new IllegalArgumentException("builder is not generified"); + } + + public <B extends Binding> void register(Class<B> implClass, BindingBuilder<B> builder) { + bindingBuilders.put(implClass, builder); + } + + public void register(BindlessBuilder builder) { + bindlessBuilder = builder; + } + + @SuppressWarnings("unchecked") + public <B extends Binding> SCAObject build(CompositeComponent parent, + BoundServiceDefinition<B> boundServiceDefinition, + DeploymentContext deploymentContext) { + Class<?> bindingClass = boundServiceDefinition.getBinding().getClass(); + BindingBuilder<B> bindingBuilder = (BindingBuilder<B>) bindingBuilders.get(bindingClass); + SCAObject object = bindingBuilder.build(parent, boundServiceDefinition, deploymentContext); + if (wireService != null) { + // wireService.createWires((Service) object, boundServiceDefinition); + String path = boundServiceDefinition.getTarget().getPath(); + ServiceContract<?> contract = boundServiceDefinition.getServiceContract(); + wireService.createWires((Service)object, path, contract); + } + return object; + } + + @SuppressWarnings("unchecked") + public <B extends Binding> SCAObject build(CompositeComponent parent, + BoundReferenceDefinition<B> boundReferenceDefinition, + DeploymentContext deploymentContext) { + Class<B> bindingClass = (Class<B>) boundReferenceDefinition.getBinding().getClass(); + BindingBuilder<B> bindingBuilder = (BindingBuilder<B>) bindingBuilders.get(bindingClass); + SCAObject object = bindingBuilder.build(parent, boundReferenceDefinition, deploymentContext); + // create wires for the component + if (wireService != null) { + wireService.createWires((Reference) object, boundReferenceDefinition.getServiceContract()); + } + return object; + } + + public SCAObject build(CompositeComponent parent, + BindlessServiceDefinition serviceDefinition, + DeploymentContext deploymentContext) { + SCAObject object = bindlessBuilder.build(parent, serviceDefinition, deploymentContext); + if (wireService != null) { + String path = serviceDefinition.getTarget().getPath(); + ServiceContract<?> contract = serviceDefinition.getServiceContract(); + wireService.createWires((Service)object, path, contract); + } + return object; + } + + public SCAObject build(CompositeComponent parent, + ReferenceDefinition referenceDefinition, + DeploymentContext deploymentContext) { + SCAObject object = bindlessBuilder.build(parent, referenceDefinition, deploymentContext); + if (wireService != null) { + wireService.createWires((Reference) object, referenceDefinition.getServiceContract()); + } + return object; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/builder/ConnectorImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/builder/ConnectorImpl.java new file mode 100644 index 0000000000..5194bc5905 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/builder/ConnectorImpl.java @@ -0,0 +1,484 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.BuilderConfigException; +import org.apache.tuscany.spi.builder.Connector; +import org.apache.tuscany.spi.builder.WirePostProcessorRegistry; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.ComponentRuntimeException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.Reference; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.component.WorkContext; +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.WireService; + +import org.apache.tuscany.core.implementation.composite.CompositeReference; +import org.apache.tuscany.core.implementation.composite.CompositeService; +import org.apache.tuscany.core.wire.NonBlockingBridgingInterceptor; +import org.apache.tuscany.core.wire.OutboundAutowire; +import org.apache.tuscany.core.wire.SynchronousBridgingInterceptor; + +/** + * 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({"wireService", "processorRegistry", "scheduler", "workContext"}) + 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) { + CompositeComponent parent = source.getParent(); + if (source instanceof AtomicComponent) { + AtomicComponent sourceComponent = (AtomicComponent) source; + // connect outbound wires for component references to their targets + for (List<OutboundWire> referenceWires : sourceComponent.getOutboundWires().values()) { + for (OutboundWire outboundWire : referenceWires) { + if (outboundWire instanceof OutboundAutowire) { + continue; + } + try { + SCAObject target; + if (sourceComponent.isSystem()) { + target = parent.getSystemChild(outboundWire.getTargetName().getPartName()); + } else { + target = parent.getChild(outboundWire.getTargetName().getPartName()); + } + connect(sourceComponent, outboundWire, target); + } catch (BuilderConfigException e) { + e.addContextName(source.getName()); + e.addContextName(parent.getName()); + throw e; + } + } + } + // connect inbound wires + for (InboundWire inboundWire : sourceComponent.getInboundWires().values()) { + for (InboundInvocationChain chain : inboundWire.getInvocationChains().values()) { + Operation<?> operation = chain.getOperation(); + String serviceName = inboundWire.getServiceName(); + TargetInvoker invoker = sourceComponent.createTargetInvoker(serviceName, operation); + chain.setTargetInvoker(invoker); + chain.prepare(); + } + } + } else if (source instanceof Reference) { + Reference reference = (Reference) source; + InboundWire inboundWire = reference.getInboundWire(); + Map<Operation<?>, InboundInvocationChain> inboundChains = inboundWire.getInvocationChains(); + for (InboundInvocationChain chain : inboundChains.values()) { + //TODO handle async + // add target invoker on inbound side + ServiceContract contract = inboundWire.getServiceContract(); + Operation operation = chain.getOperation(); + TargetInvoker invoker = reference.createTargetInvoker(contract, operation); + chain.setTargetInvoker(invoker); + chain.prepare(); + } + OutboundWire outboundWire = reference.getOutboundWire(); + // connect the reference's inbound and outbound wires + connect(inboundWire, outboundWire, true); + + if (reference instanceof CompositeReference) { + // 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 + parent = parent.getParent(); + assert parent != null : "Parent of parent was null"; + SCAObject target = parent.getChild(outboundWire.getTargetName().getPartName()); + connect((Component)parent, outboundWire, target); + } + } else if (source instanceof Service) { + Service service = (Service) source; + InboundWire inboundWire = service.getInboundWire(); + OutboundWire outboundWire = service.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 + if (source instanceof CompositeReference) { + parent = parent.getParent(); + assert parent != null : "Parent of parent was null"; + } + 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(service, outboundWire, target); + // NB: this connect must be done after the outbound service chain is connected to its target above + if (!(source instanceof CompositeService)) { + //REVIEW JFM: do we need this to be special for composites? + connect(inboundWire, outboundWire, true); + } + } + } + + public void connect(InboundWire sourceWire, OutboundWire targetWire, boolean optimizable) + throws BuilderConfigException { + Map<Operation<?>, OutboundInvocationChain> targetChains = targetWire.getInvocationChains(); + // perform optimization, if possible + if (optimizable && sourceWire.getInvocationChains().isEmpty() && targetChains.isEmpty()) { + sourceWire.setTargetWire(targetWire); + if (postProcessorRegistry != null) { + // run wire post-processors + postProcessorRegistry.process(sourceWire, targetWire); + } + return; + } + for (InboundInvocationChain inboundChain : sourceWire.getInvocationChains().values()) { + // match wire chains + OutboundInvocationChain outboundChain = targetChains.get(inboundChain.getOperation()); + if (outboundChain == null) { + BuilderConfigException e = new BuilderConfigException("Incompatible source and target interfaces"); + e.setIdentifier(sourceWire.getServiceName()); + throw e; + } + connect(inboundChain, outboundChain); + } + if (postProcessorRegistry != null) { + // run wire post-processors + postProcessorRegistry.process(sourceWire, 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 + */ + void connect(OutboundWire sourceWire, InboundWire targetWire, boolean optimizable) { + SCAObject source = sourceWire.getContainer(); + SCAObject target = targetWire.getContainer(); + ServiceContract contract = sourceWire.getServiceContract(); + Map<Operation<?>, InboundInvocationChain> targetChains = targetWire.getInvocationChains(); + // perform optimization, if possible + // REVIEW: (kentaminator@gmail.com) shouldn't this check whether the interceptors in the + // source & target chains are marked as optimizable? (and if so, optimize them away?) + if (optimizable && sourceWire.getInvocationChains().isEmpty() && targetChains.isEmpty()) { + sourceWire.setTargetWire(targetWire); + if (postProcessorRegistry != null) { + // run wire post-processors + postProcessorRegistry.process(sourceWire, targetWire); + } + return; + } + // match outbound to inbound chains + for (OutboundInvocationChain outboundChain : sourceWire.getInvocationChains().values()) { + Operation<?> operation = outboundChain.getOperation(); + InboundInvocationChain inboundChain = targetChains.get(operation); + if (inboundChain == null) { + BuilderConfigException e = + new BuilderConfigException("Incompatible source and target interfaces for reference"); + e.setIdentifier(sourceWire.getReferenceName()); + throw e; + } + Operation<?> inboundOperation = inboundChain.getOperation(); + boolean isOneWayOperation = operation.isNonBlocking(); + boolean operationHasCallback = contract.getCallbackName() != null; + if (isOneWayOperation && operationHasCallback) { + throw new ComponentRuntimeException("Operation cannot be marked one-way and have a callback"); + } + TargetInvoker invoker = null; + if (target instanceof Component) { + Component component = (Component) target; + if (isOneWayOperation || operationHasCallback) { + invoker = component.createAsyncTargetInvoker(targetWire, inboundOperation); + } else { + String portName = sourceWire.getTargetName().getPortName(); + invoker = component.createTargetInvoker(portName, inboundOperation); + } + } else if (target instanceof Reference) { + Reference reference = (Reference) target; + if (!(reference instanceof CompositeReference) && operationHasCallback) { + // Notice that for bound references we only use async target invokers for callback operations + invoker = reference.createAsyncTargetInvoker(sourceWire, inboundOperation); + } else { + ServiceContract targetContract = targetWire.getServiceContract(); + invoker = reference.createTargetInvoker(targetContract, inboundOperation); + } + } else if (target instanceof CompositeService) { + CompositeService compServ = (CompositeService) target; + invoker = compServ.createTargetInvoker(targetWire.getServiceContract(), inboundChain.getOperation()); + } + + if (source instanceof Service && !(source instanceof CompositeService)) { + // services are a special case: invoker must go on the inbound chain + if (target instanceof Component && (isOneWayOperation || operationHasCallback)) { + // if the target is a component and the operation is non-blocking + connect(outboundChain, inboundChain, null, true); + } else { + connect(outboundChain, inboundChain, null, false); + } + Service service = (Service) source; + InboundInvocationChain chain = service.getInboundWire().getInvocationChains().get(operation); + chain.setTargetInvoker(invoker); + } else { + if (target instanceof Component && (isOneWayOperation || operationHasCallback)) { + // 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 name = operation.getName(); + BuilderConfigException e = + new BuilderConfigException("Source callback chain should not exist for operation [" + name + "]"); + e.setIdentifier(sourceWire.getReferenceName()); + throw e; + } + + Operation targetOp = + (Operation)targetWire.getServiceContract().getCallbackOperations().get(operation.getName()); + OutboundInvocationChain outboundChain = wireService.createOutboundChain(targetOp); + targetWire.addSourceCallbackInvocationChain(source.getName(), targetOp, outboundChain); + if (source instanceof Component) { + Component component = (Component) source; + TargetInvoker invoker = component.createTargetInvoker(null, operation); + connect(outboundChain, inboundChain, invoker, false); + } else if (source instanceof CompositeReference) { + CompositeReference compRef = (CompositeReference) source; + ServiceContract sourceContract = sourceWire.getServiceContract(); + TargetInvoker invoker = compRef.createCallbackTargetInvoker(sourceContract, operation); + connect(outboundChain, inboundChain, invoker, false); + } else if (source instanceof Service) { + Service service = (Service) source; + ServiceContract sourceContract = sourceWire.getServiceContract(); + TargetInvoker invoker = service.createCallbackTargetInvoker(sourceContract, operation); + connect(outboundChain, inboundChain, invoker, false); + } + } + if (postProcessorRegistry != null) { + // run wire post-processors + postProcessorRegistry.process(sourceWire, 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 + */ + void connect(OutboundInvocationChain sourceChain, + InboundInvocationChain targetChain, + TargetInvoker invoker, + boolean nonBlocking) { + Interceptor head = targetChain.getHeadInterceptor(); + if (head == null) { + BuilderConfigException e = new BuilderConfigException("No interceptor for operation"); + e.setIdentifier(targetChain.getOperation().getName()); + throw e; + } + if (nonBlocking) { + sourceChain.setTargetInterceptor(new NonBlockingBridgingInterceptor(scheduler, workContext, head)); + } else { + sourceChain.setTargetInterceptor(new SynchronousBridgingInterceptor(head)); + } + sourceChain.prepare(); //FIXME prepare should be moved out + sourceChain.setTargetInvoker(invoker); + } + + + /** + * Connects an inbound source chain to an outbound target chain + * + * @param sourceChain + * @param targetChain + */ + void connect(InboundInvocationChain sourceChain, OutboundInvocationChain targetChain) { + // invocations from inbound to outbound chains are always syncrhonius as they occur in services and references + sourceChain.addInterceptor(new SynchronousBridgingInterceptor(targetChain.getHeadInterceptor())); + } + + /** + * Connects an component's outbound wire to its target in a composite. Valid targets are either + * <code>AtomicComponent</code>s contained in the composite, or <code>References</code> of the composite. + * + * @param sourceWire + * @throws BuilderConfigException + */ + private void connect(SCAObject source, OutboundWire sourceWire, SCAObject target) throws BuilderConfigException { + assert sourceWire.getTargetName() != null : "Wire target name was null"; + QualifiedName targetName = sourceWire.getTargetName(); + + if (target instanceof AtomicComponent) { + AtomicComponent targetComponent = (AtomicComponent) target; + InboundWire targetWire = targetComponent.getInboundWire(targetName.getPortName()); + if (targetWire == null) { + String refName = sourceWire.getReferenceName(); + BuilderConfigException e = new BuilderConfigException("No target service for reference " + refName); + e.setIdentifier(targetName.getPortName()); + throw e; + } + checkIfWireable(sourceWire, targetWire); + boolean optimizable = isOptimizable(source.getScope(), target.getScope()); + connect(sourceWire, targetWire, optimizable); + } else if (target instanceof Reference) { + InboundWire targetWire = ((Reference) target).getInboundWire(); + assert targetWire != null; + checkIfWireable(sourceWire, targetWire); + boolean optimizable = isOptimizable(source.getScope(), target.getScope()); + connect(sourceWire, targetWire, optimizable); + } else if (target instanceof CompositeComponent) { + CompositeComponent composite = (CompositeComponent) target; + InboundWire targetWire = null; + if (source.isSystem()) { + for (Object child : composite.getSystemChildren()) { + if (child instanceof CompositeService) { + CompositeService compServ = (CompositeService) child; + targetWire = compServ.getInboundWire(); + assert targetWire != null; + Class<?> sourceInterface = sourceWire.getServiceContract().getInterfaceClass(); + Class<?> targetInterface = targetWire.getServiceContract().getInterfaceClass(); + if (sourceInterface.isAssignableFrom(targetInterface)) { + target = compServ; + break; + } else { + targetWire = null; + } + } + } + } else { + for (Object child : composite.getChildren()) { + if (child instanceof CompositeService) { + CompositeService compServ = (CompositeService) child; + targetWire = compServ.getInboundWire(); + assert targetWire != null; + Class<?> sourceInterface = sourceWire.getServiceContract().getInterfaceClass(); + Class<?> targetInterface = targetWire.getServiceContract().getInterfaceClass(); + if (sourceInterface.isAssignableFrom(targetInterface)) { + target = compServ; + break; + } else { + targetWire = null; + } + } + } + } + if (targetWire == null) { + throw new BuilderConfigException("No target composite service in composite"); + } + boolean optimizable = isOptimizable(source.getScope(), target.getScope()); + connect(sourceWire, targetWire, optimizable); + } else { + String name = sourceWire.getReferenceName(); + BuilderConfigException e = new BuilderConfigException("Invalid target type for reference " + name); + e.setIdentifier(targetName.getQualifiedName()); + throw e; + } + } + + private void checkIfWireable(OutboundWire sourceWire, InboundWire targetWire) { + if (wireService == null) { + Class<?> sourceInterface = sourceWire.getServiceContract().getInterfaceClass(); + Class<?> targetInterface = targetWire.getServiceContract().getInterfaceClass(); + if (!sourceInterface.isAssignableFrom(targetInterface)) { + throw new BuilderConfigException("Incompatible source and target interfaces"); + } + } else { + try { + wireService.checkCompatibility(sourceWire.getServiceContract(), targetWire + .getServiceContract(), false); + } catch (IncompatibleServiceContractException e) { + throw new BuilderConfigException("Incompatible source and target interfaces", e); + } + } + } + + private boolean isOptimizable(Scope pReferrer, Scope pReferee) { + if (pReferrer == Scope.UNDEFINED || pReferee == Scope.UNDEFINED) { + return false; + } + if (pReferee == pReferrer) { + return true; + } else if (pReferrer == Scope.STATELESS) { + return true; + } else if (pReferee == Scope.STATELESS) { + return true; + } else if (pReferrer == Scope.REQUEST && pReferee == Scope.SESSION) { + return true; + } else if (pReferrer == Scope.REQUEST && pReferee == Scope.MODULE) { + return true; + } else if (pReferrer == Scope.REQUEST && pReferee == Scope.COMPOSITE) { + return true; + } else if (pReferrer == Scope.SESSION && pReferee == Scope.MODULE) { + return true; + } else if (pReferrer == Scope.SESSION && pReferee == Scope.COMPOSITE) { + return true; + } else if (pReferrer == Scope.COMPOSITE && pReferee == Scope.MODULE) { + // case where a service context points to a module scoped component + return true; + } else { + return pReferrer == Scope.MODULE && pReferee == Scope.COMPOSITE; + } + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/builder/WirePostProcessorRegistryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/builder/WirePostProcessorRegistryImpl.java new file mode 100644 index 0000000000..c1aeb62079 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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.builder.WirePostProcessor; +import org.apache.tuscany.spi.builder.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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/ComponentInitException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/ComponentInitException.java new file mode 100644 index 0000000000..e1ad3a6fea --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/ComponentInitException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 org.apache.tuscany.spi.component.ComponentRuntimeException; + +/** + * Denotes an error initializing a component + * + * @version $$Rev$$ $$Date$$ + */ +public class ComponentInitException extends ComponentRuntimeException { + public ComponentInitException() { + } + + public ComponentInitException(String message) { + super(message); + } + + public ComponentInitException(String message, Throwable cause) { + super(message, cause); + } + + public ComponentInitException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/ScopeIdentifier.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/WorkContextImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/WorkContextImpl.java new file mode 100644 index 0000000000..0b0a48cb99 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/WorkContextImpl.java @@ -0,0 +1,143 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.HashMap; +import java.util.Map; + +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 MESSAGE_ID = new Object(); + private static final Object CORRELATION_ID = new Object(); + + // TODO implement propagation strategy for creating new threads + + //A map ( associated with the current thread) of scope identifiers keyed on the event context id type. + //The scope identifier may be a {@link ScopeIdentifier} or an opaque id + + // [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 getCurrentMessageId() { + Map<Object, Object> map = workContext.get(); + if (map == null) { + return null; + } + return map.get(MESSAGE_ID); + } + + public void setCurrentMessageId(Object messageId) { + Map<Object, Object> map = workContext.get(); + if (map == null) { + map = new HashMap<Object, Object>(); + workContext.set(map); + } + map.put(MESSAGE_ID, messageId); + } + + 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 = workContext.get(); + if (map == null) { + map = new HashMap<Object, Object>(); + workContext.set(map); + } + map.put(CORRELATION_ID, correlationId); + } + + 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 = workContext.get(); + if (map == null) { + map = new HashMap<Object, Object>(); + workContext.set(map); + } + 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 HashMap<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(); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractEvent.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractEvent.java new file mode 100644 index 0000000000..6df5b67dea --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractEvent.java @@ -0,0 +1,40 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 transient 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/AbstractRequestEvent.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeEvent.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStart.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStart.java new file mode 100644 index 0000000000..9920a2febf --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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 module stop event + * + * @param source the source of the event + * @param component the composite component associated the module 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStop.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/CompositeStop.java new file mode 100644 index 0000000000..58be209783 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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 module stop event + * + * @param source the source of the event + * @param component the composite component associated the module 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpRequestEnded.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpRequestStart.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionEnd.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionEvent.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/HttpSessionStart.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestEnd.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestEvent.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/event/RequestStart.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/AbstractScopeContainer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/AbstractScopeContainer.java new file mode 100644 index 0000000000..50b0f927d8 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/AbstractScopeContainer.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.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.ScopeContainer; +import org.apache.tuscany.spi.component.TargetException; +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(); + + // The event context the scope container is associated with + protected WorkContext workContext; + private final String name; + private Map<EventFilter, List<RuntimeEventListener>> listeners; + + public AbstractScopeContainer(String name, WorkContext workContext) { + this.name = name; + this.workContext = workContext; + } + + public String getName() { + return name; + } + + public void setWorkContext(WorkContext workContext) { + this.workContext = workContext; + } + + public void addListener(RuntimeEventListener listener) { + addListener(TRUE_FILTER, listener); + } + + public void removeListener(RuntimeEventListener listener) { + assert listener != null : "Listener cannot be 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 : "Listener cannot be 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 : "Event object was 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 TargetException { + InstanceWrapper ctx = getInstanceWrapper(component); + if (ctx != null) { + if (ctx.getLifecycleState() == UNINITIALIZED) { + ctx.start(); + } + return ctx.getInstance(); + } + return null; + } + + 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 not running [" + getLifecycleState() + "]"); + } + } + + protected WorkContext getWorkContext() { + return workContext; + } + + public String toString() { + return "ScopeContainer [" + name + "] in state [" + super.toString() + ']'; + } + + protected abstract InstanceWrapper getInstanceWrapper(AtomicComponent component); +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.java new file mode 100644 index 0000000000..ae197c3504 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeContainer.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.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.TargetException; +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; +import org.apache.tuscany.core.component.event.HttpSessionStart; + +/** + * A scope context which manages atomic component instances keyed on HTTP session + * + * @version $Rev$ $Date$ + */ +public class HttpSessionScopeContainer extends AbstractScopeContainer { + + public static final Object HTTP_IDENTIFIER = new Object(); + + private final Map<AtomicComponent, Map<Object, InstanceWrapper>> contexts; + private final Map<Object, List<InstanceWrapper>> destroyQueues; + + public HttpSessionScopeContainer() { + this(null); + } + + public HttpSessionScopeContainer(WorkContext workContext) { + super("Session Scope", workContext); + 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 HttpSessionStart) { + Object key = ((HttpSessionStart) event).getId(); + workContext.setIdentifier(HTTP_IDENTIFIER, key); + for (Map.Entry<AtomicComponent, Map<Object, InstanceWrapper>> entry : contexts.entrySet()) { + if (entry.getKey().isEagerInit()) { + + getInstance(entry.getKey(), key); + } + } + } else 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) throws TargetException { + Object key = workContext.getIdentifier(HTTP_IDENTIFIER); + assert key != null : "HTTP session key not bound in work component"; + return getInstance(component, key); + } + + private InstanceWrapper getInstance(AtomicComponent component, Object key) { + Map<Object, InstanceWrapper> wrappers = contexts.get(component); + InstanceWrapper ctx = wrappers.get(key); + 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 (TargetException e) { + // TODO send a monitoring event + } + } + } + } + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeObjectFactory.java new file mode 100644 index 0000000000..6901c429f1 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/HttpSessionScopeObjectFactory.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.ScopeRegistry; +import org.apache.tuscany.spi.model.Scope; +import org.osoa.sca.annotations.Init; + +/** + * Creates a new HTTP session scope context + * + * @version $$Rev$$ $$Date$$ + */ +public class HttpSessionScopeObjectFactory implements ObjectFactory<HttpSessionScopeContainer> { + + public HttpSessionScopeObjectFactory(@Autowire ScopeRegistry registry) { + registry.registerFactory(Scope.SESSION, this); + } + + @Init(eager = true) + public void init() { + } + + + public HttpSessionScopeContainer getInstance() throws ObjectCreationException { + return new HttpSessionScopeContainer(); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapper.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapper.java new file mode 100644 index 0000000000..88fbcd2c7c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapper.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.component.scope; + +import org.apache.tuscany.spi.Lifecycle; + +/** + * Provides lifecycle management for an implementation instance associated with an {@link + * org.apache.tuscany.spi.component.AtomicComponent} for use by the atomic context's associated {@link + * org.apache.tuscany.spi.component.ScopeContainer} + * + * @version $Rev$ $Date$ + */ +public interface InstanceWrapper extends Lifecycle { + + Object getInstance(); + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapperImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapperImpl.java new file mode 100644 index 0000000000..f8c1b6490f --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/InstanceWrapperImpl.java @@ -0,0 +1,68 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.AbstractLifecycle; +import org.apache.tuscany.spi.CoreRuntimeException; +import org.apache.tuscany.spi.component.AtomicComponent; + +/** + * Default implementation of an <code>InstanceWrapper</code> + * + * @version $$Rev$$ $$Date$$ + */ +public class InstanceWrapperImpl extends AbstractLifecycle implements InstanceWrapper { + + private Object instance; + private AtomicComponent component; + + public InstanceWrapperImpl(AtomicComponent component, Object instance) { + assert component != null; + assert instance != null; + this.component = component; + this.instance = instance; + } + + public Object getInstance() { + checkInit(); + return instance; + } + + public void start() throws CoreRuntimeException { + try { + component.init(instance); + lifecycleState = RUNNING; + } catch (RuntimeException e) { + lifecycleState = ERROR; + throw e; + } + } + + public void stop() throws CoreRuntimeException { + checkInit(); + component.destroy(instance); + } + + protected void checkInit() { + if (getLifecycleState() != RUNNING) { + throw new IllegalStateException("Scope not running [" + getLifecycleState() + "]"); + } + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ModuleScopeContainer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ModuleScopeContainer.java new file mode 100644 index 0000000000..6458b9f12a --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ModuleScopeContainer.java @@ -0,0 +1,163 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.AbstractLifecycle; +import org.apache.tuscany.spi.CoreRuntimeException; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.TargetException; +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.CompositeStart; +import org.apache.tuscany.core.component.event.CompositeStop; + +/** + * A scope context which manages atomic component instances keyed by module + * + * @version $Rev$ $Date$ + */ +public class ModuleScopeContainer 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 ModuleScopeContainer() { + this(null); + } + + public ModuleScopeContainer(WorkContext workContext) { + super("Module Scope", workContext); + instanceWrappers = new ConcurrentHashMap<AtomicComponent, InstanceWrapper>(); + destroyQueue = new ArrayList<InstanceWrapper>(); + } + + public Scope getScope() { + return Scope.MODULE; + } + + public void onEvent(Event event) { + checkInit(); + if (event instanceof CompositeStart) { + eagerInitComponents(); + 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()) { + iter.previous().stop(); + } + destroyQueue.clear(); + } + } + + public void register(AtomicComponent component) { + checkInit(); + instanceWrappers.put(component, EMPTY); + } + + protected InstanceWrapper getInstanceWrapper(AtomicComponent component) throws TargetException { + checkInit(); + InstanceWrapper ctx = instanceWrappers.get(component); + assert ctx != null : "Component not registered with scope: " + component; + 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 CoreRuntimeException { + 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) { + ctx = new InstanceWrapperImpl(component, component.createInstance()); + 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 extends AbstractLifecycle implements InstanceWrapper { + public Object getInstance() { + return null; + } + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ModuleScopeObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ModuleScopeObjectFactory.java new file mode 100644 index 0000000000..c73edbfda6 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ModuleScopeObjectFactory.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.scope; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.annotation.Autowire; +import org.osoa.sca.annotations.Init; + +/** + * Creates a new module scope context + * + * @version $$Rev$$ $$Date$$ + */ +public class ModuleScopeObjectFactory implements ObjectFactory<ModuleScopeContainer> { + + public ModuleScopeObjectFactory(@Autowire ScopeRegistry registry) { + registry.registerFactory(Scope.MODULE, this); + } + + @Init(eager = true) + public void init() { + } + + public ModuleScopeContainer getInstance() throws ObjectCreationException { + return new ModuleScopeContainer(); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeContainer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeContainer.java new file mode 100644 index 0000000000..23ab4b4100 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeContainer.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.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.TargetException; +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; +import org.apache.tuscany.core.component.event.RequestStart; + +/** + * 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() { + this(null); + } + + public RequestScopeContainer(WorkContext workContext) { + super("Request Scope", workContext); + 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 RequestStart) { + for (Map.Entry<AtomicComponent, Map<Thread, InstanceWrapper>> entry : contexts.entrySet()) { + if (entry.getKey().isEagerInit()) { + getInstance(entry.getKey()); + } + } + } else 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) throws TargetException { + Map<Thread, InstanceWrapper> instanceContextMap = contexts.get(component); + assert instanceContextMap != null : "Atomic component not registered"; + InstanceWrapper ctx = instanceContextMap.get(Thread.currentThread()); + 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 (TargetException e) { + // TODO send a monitoring event + } + } + } + } + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeObjectFactory.java new file mode 100644 index 0000000000..727e76e340 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/RequestScopeObjectFactory.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.component.scope; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; + +/** + * Creates a new request scope context + * + * @version $$Rev$$ $$Date$$ + */ +public class RequestScopeObjectFactory implements ObjectFactory<RequestScopeContainer> { + + public RequestScopeContainer getInstance() throws ObjectCreationException { + return new RequestScopeContainer(); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ScopeRegistryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ScopeRegistryImpl.java new file mode 100644 index 0000000000..91faf3e777 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/ScopeRegistryImpl.java @@ -0,0 +1,87 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.annotation.Autowire; +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.component.ScopeNotFoundException; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.component.WorkContext; +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>>(); + private WorkContext workContext; + + public ScopeRegistryImpl(WorkContext workContext) { + assert workContext != null; + this.workContext = workContext; + } + + // TODO remove and replace with CDI + public ScopeRegistryImpl() { + } + + @Autowire + public void setWorkContext(WorkContext workContext) { + this.workContext = workContext; + } + + public ScopeContainer getScopeContainer(Scope scope) { + assert Scope.MODULE != scope : "Cannot get MODULE scope from the registry"; + ScopeContainer container = scopeCache.get(scope); + if (container == null) { + ObjectFactory<? extends ScopeContainer> factory = factoryCache.get(scope); + if (factory == null) { + ScopeNotFoundException e = new ScopeNotFoundException("Scope object factory not registered for scope"); + e.setIdentifier(scope.getScope()); + + throw e; + } + container = factory.getInstance(); + container.setWorkContext(workContext); + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeContainer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeContainer.java new file mode 100644 index 0000000000..edc3b69241 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeContainer.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.component.scope; + +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.spi.component.TargetException; +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() { + this(null); + } + + public StatelessScopeContainer(WorkContext workContext) { + super("Stateless scope", workContext); + } + + 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) throws TargetException { + InstanceWrapper ctx = new InstanceWrapperImpl(component, component.createInstance()); + ctx.start(); + return ctx; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeObjectFactory.java new file mode 100644 index 0000000000..446f57b11a --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/component/scope/StatelessScopeObjectFactory.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.scope; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.component.ScopeRegistry; +import org.apache.tuscany.spi.annotation.Autowire; +import org.osoa.sca.annotations.Init; + +/** + * Creates a new stateless scope context + * + * @version $$Rev$$ $$Date$$ + */ +public class StatelessScopeObjectFactory implements ObjectFactory<StatelessScopeContainer> { + + public StatelessScopeObjectFactory(@Autowire ScopeRegistry registry) { + registry.registerFactory(Scope.STATELESS, this); + } + + @Init(eager = true) + public void init() { + } + + public StatelessScopeContainer getInstance() throws ObjectCreationException { + return new StatelessScopeContainer(); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingInteceptor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingInteceptor.java new file mode 100644 index 0000000000..d7627d11b1 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingInteceptor.java @@ -0,0 +1,129 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.InvocationRuntimeException; +import org.apache.tuscany.spi.wire.Message; +import org.apache.tuscany.spi.wire.RuntimeWire; + +/** + * An interceptor to transform data accross databindings on the wire + */ +public class DataBindingInteceptor implements Interceptor { + private Interceptor next; + + private CompositeComponent compositeComponent; + + private Operation<?> sourceOperation; + + private Operation<?> targetOperation; + + private Mediator mediator; + + public DataBindingInteceptor(RuntimeWire sourceWire, Operation<?> sourceOperation, RuntimeWire targetWire, + Operation<?> targetOperation) { + super(); + // this.sourceWire = sourceWire; + this.sourceOperation = sourceOperation; + // this.targetWire = targetWire; + this.targetOperation = targetOperation; + this.compositeComponent = (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); + } else if (result != null) { + // 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.setMetadata(Operation.class.getName(), targetOperation.getOutputType().getMetadata( + Operation.class.getName())); + DataType<DataType> sourceType = + new DataType<DataType>("idl:output", Object.class, sourceOperation.getOutputType()); + sourceType.setMetadata(Operation.class.getName(), sourceOperation.getOutputType().getMetadata( + Operation.class.getName())); + + result = transform(result, targetType, sourceType); + resultMsg.setBody(result); + } + return resultMsg; + } + + private Object transform(Object source, DataType sourceType, DataType targetType) { + if (source == null) { + // Shortcut for null value + return null; + } + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingJavaInterfaceProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingJavaInterfaceProcessor.java new file mode 100644 index 0000000000..9e4b4abfed --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingJavaInterfaceProcessor.java @@ -0,0 +1,116 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.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.api.annotation.DataContext; +import org.apache.tuscany.api.annotation.DataType; +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; + +/** + * The databinding annotation processor for java interfaces + */ +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}; + + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingRegistryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingRegistryImpl.java new file mode 100644 index 0000000000..f2ff257e7e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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.apache.tuscany.spi.databinding.DataBinding; +import org.apache.tuscany.spi.databinding.DataBindingRegistry; +import org.apache.tuscany.spi.model.DataType; +import org.osoa.sca.annotations.Init; + +/** + * The default implementation of a data binding registry + */ +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()); + } + + @Init(eager = true) + public void init() { + } + + public DataType introspectType(Class<?> javaType) { + DataType dataType = null; + for (DataBinding binding : bindings.values()) { + dataType = binding.introspect(javaType); + if (dataType != null) { + return dataType; + } + } + return null; + } + + public DataType introspectType(Object value) { + DataType dataType = null; + for (DataBinding binding : bindings.values()) { + dataType = binding.introspect(value); + if (dataType != null) { + return dataType; + } + } + return null; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingWirePostProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingWirePostProcessor.java new file mode 100644 index 0000000000..947887b460 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataBindingWirePostProcessor.java @@ -0,0 +1,153 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.builder.WirePostProcessorExtension; +import org.apache.tuscany.spi.component.Reference; +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.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.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * This processor is responsible to add an interceptor to invocation chain if + * the source and target operations have different databinding requirements + */ +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 = getDataBinding(sourceOperation); + String targetDataBinding = getDataBinding(targetOperation); + 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, target, 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); + for (Map.Entry<Operation<?>, OutboundInvocationChain> entry : callbackChains.entrySet()) { + Operation<?> sourceOperation = entry.getKey(); + Operation<?> targetOperation = + getTargetOperation(source.getTargetCallbackInvocationChains().keySet(), sourceOperation + .getName()); + String sourceDataBinding = getDataBinding(sourceOperation); + String targetDataBinding = getDataBinding(targetOperation); + 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, target, 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 Reference; + + 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 = getDataBinding(sourceOperation); + String targetDataBinding = getDataBinding(targetOperation); + if (sourceDataBinding == null || targetDataBinding == null + || !sourceDataBinding.equals(targetDataBinding)) { + // Add the interceptor to the source side + DataBindingInteceptor interceptor = + new DataBindingInteceptor(source, sourceOperation, target, 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; + } + + private String getDataBinding(Operation<?> operation) { + String dataBinding = operation.getDataBinding(); + if (dataBinding == null) { + ServiceContract<?> serviceContract = operation.getServiceContract(); + dataBinding = serviceContract.getDataBinding(); + } + return dataBinding; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataTypeLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataTypeLoader.java new file mode 100644 index 0000000000..8b3296a017 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DataTypeLoader.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.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.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://incubator.apache.org/tuscany/xmlns/databinding/1.0-incubator-M2", "databinding"); + + @Constructor({"registry"}) + public DataTypeLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + @Override + public QName getXMLType() { + return DATA_BINDING; + } + + public DataType load(CompositeComponent parent, + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/DirectedGraph.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Input2InputTransformer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Input2InputTransformer.java new file mode 100644 index 0000000000..81cf3a9e3d --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Input2InputTransformer.java @@ -0,0 +1,216 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.idl.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.getMetadata(Operation.class.getName()); + boolean sourceWrapped = sourceOp != null && sourceOp.isWrapperStyle(); + + WrapperHandler sourceWrapperHandler = null; + if (sourceWrapped) { + sourceWrapperHandler = getWapperHandler(sourceType.getLogical().get(0).getDataBinding(), true); + } + + DataType<List<DataType<QName>>> targetType = context.getTargetDataType(); + Operation<?> targetOp = (Operation<?>)targetType.getMetadata(Operation.class.getName()); + boolean targetWrapped = targetOp != null && targetOp.isWrapperStyle(); + WrapperHandler targetWrapperHandler = null; + if (targetWrapped) { + targetWrapperHandler = getWapperHandler(targetType.getLogical().get(0).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.getLogical().get(0).getDataBinding(), false); + if (targetWrapperHandler != null) { + ElementInfo wrapperElement = sourceOp.getWrapper().getInputWrapperElement(); + // Object targetWrapper = + // targetWrapperHandler.create(wrapperElement, context); + DataType<QName> targetWrapperType = + new DataType<QName>(targetType.getLogical().get(0).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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/MediatorImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/MediatorImpl.java new file mode 100644 index 0000000000..f8b38de806 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/MediatorImpl.java @@ -0,0 +1,175 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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("MODULE") +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 (source == null) { + // Shortcut for null value + return null; + } + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Output2OutputTransformer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Output2OutputTransformer.java new file mode 100644 index 0000000000..f0405ca313 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/Output2OutputTransformer.java @@ -0,0 +1,195 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.idl.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.getMetadata(Operation.class.getName()); + boolean sourceWrapped = sourceOp != null && sourceOp.isWrapperStyle(); + WrapperHandler sourceWrapperHandler = null; + if (sourceWrapped) { + sourceWrapperHandler = getWapperHandler(sourceOp); + } + + DataType<DataType> targetType = context.getTargetDataType(); + Operation<?> targetOp = (Operation<?>)targetType.getMetadata(Operation.class.getName()); + 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); + if (response == null) { + return targetWrapper; + } + + ElementInfo argElement = wrapper.getOutputChildElements().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(); + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/PipedTransformer.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/SimpleDataBinding.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/SimpleDataBinding.java new file mode 100644 index 0000000000..9d56ab5353 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/SimpleDataBinding.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.impl; + +import org.apache.tuscany.spi.databinding.extension.DataBindingExtension; +import org.apache.tuscany.spi.loader.MissingResourceException; +import org.osoa.sca.annotations.Property; + +/** + * 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> + * <component name="databinding.MyDataBinding"><br> + * <system:implementation.java + * class="org.apache.tuscany.databinding.impl.SimpleDataBinding"/><br> + * <property name="className">my.Type</property><br> + * </component> + */ +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) { + MissingResourceException mre = new MissingResourceException(className, e1); + throw mre; + } + } + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformationContextImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformerRegistryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformerRegistryImpl.java new file mode 100755 index 0000000000..5cbd931cb0 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/impl/TransformerRegistryImpl.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.databinding.impl; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.spi.databinding.Transformer; +import org.apache.tuscany.spi.databinding.TransformerRegistry; +import org.osoa.sca.annotations.Init; + +public class TransformerRegistryImpl implements TransformerRegistry { + + private final DirectedGraph<Object, Transformer> graph = new DirectedGraph<Object, Transformer>(); + + @Init(eager = true) + public void init() { + } + + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMDataBinding.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMDataBinding.java new file mode 100644 index 0000000000..9fc1cc5152 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMDataBinding.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.databinding.xml; + + +import org.apache.tuscany.spi.databinding.WrapperHandler; +import org.apache.tuscany.spi.databinding.extension.DataBindingExtension; +import org.w3c.dom.Node; + +/** + * DOM DataBinding + */ +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(); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMWrapperHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMXMLStreamReader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMXMLStreamReader.java new file mode 100644 index 0000000000..5a12cc72cb --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/DOMXMLStreamReader.java @@ -0,0 +1,1410 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 + registerNamespace(attr.getLocalName(), 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputSource2Node.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputSource2SAX.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputStream2Node.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/InputStream2SAX.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2Object.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2OutputStream.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2String.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2Writer.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Node2XMLStreamReader.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Object2Node.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Reader2Node.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Reader2SAX.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/SAX2DOM.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/SAX2DOMPipe.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Source2ResultTransformer.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAX2SAXAdapter.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAXHelper.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAXHelper.java new file mode 100755 index 0000000000..db0eae165f --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StAXHelper.java @@ -0,0 +1,820 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 = -1; + + 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 + * + * @return + */ + 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 = 0; + + /* + * 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 = 0; + + /** + * 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 = null; + String namespaceName = null; + String writerPrefix = null; + 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 { + XMLStreamReader streamReader = INPUT_FACTORY.createXMLStreamReader(inputStream); + return streamReader; + } + + public static XMLStreamReader createXMLStreamReader(Reader reader) throws XMLStreamException { + XMLStreamReader streamReader = INPUT_FACTORY.createXMLStreamReader(reader); + return streamReader; + } + + public static XMLStreamReader createXMLStreamReader(Source source) throws XMLStreamException { + XMLStreamReader reader = INPUT_FACTORY.createXMLStreamReader(source); + return reader; + } + + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/StreamDataPipe.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2Node.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2SAX.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/String2XMLStreamReader.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/Writer2ReaderDataPipe.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2Node.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2SAX.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStreamReader2String.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/databinding/xml/XMLStringDataBinding.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/deployer/AbstractDeploymentContext.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/deployer/ChildDeploymentContext.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/deployer/ChildDeploymentContext.java new file mode 100644 index 0000000000..10bb5a4609 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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 getModuleScope() { + return parent.getModuleScope(); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/deployer/DeployerImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/deployer/DeployerImpl.java new file mode 100644 index 0000000000..e5556292da --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/deployer/DeployerImpl.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.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.BuilderRegistry; +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.deployer.Deployer; +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.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.ComponentDefinition; +import org.apache.tuscany.spi.model.Implementation; + +import org.apache.tuscany.core.component.scope.ModuleScopeContainer; + +/** + * Default implementation of Deployer. + * + * @version $Rev$ $Date$ + */ +public class DeployerImpl implements Deployer { + private XMLInputFactory xmlFactory; + private Loader loader; + private Builder builder; + + 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; + } + + public <I extends Implementation<?>> Component deploy(CompositeComponent parent, + ComponentDefinition<I> componentDefinition) + throws LoaderException { + ScopeContainer moduleScope = new ModuleScopeContainer(); + DeploymentContext deploymentContext = new RootDeploymentContext(null, xmlFactory, moduleScope, null); + try { + load(parent, componentDefinition, deploymentContext); + } catch (LoaderException e) { + e.addContextName(componentDefinition.getName()); + throw e; + } + Component component = (Component) build(parent, componentDefinition, deploymentContext); + if (component instanceof CompositeComponent) { + CompositeComponent composite = (CompositeComponent) component; + composite.setScopeContainer(moduleScope); + } + component.prepare(); + parent.register(component); + 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) { + return builder.build(parent, componentDefinition, deploymentContext); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/deployer/RootDeploymentContext.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/deployer/RootDeploymentContext.java new file mode 100644 index 0000000000..cc3ae86cc8 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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 moduleScope; + + /** + * 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 moduleScope the scope context representing this deployment's MODULE scope + * @param scdlLocation the location of the SCDL being deployed + */ + public RootDeploymentContext(ClassLoader classLoader, + XMLInputFactory xmlFactory, + ScopeContainer moduleScope, + URL scdlLocation) { + super(classLoader, scdlLocation); + this.xmlFactory = xmlFactory; + this.moduleScope = moduleScope; + } + + public DeploymentContext getParent() { + return null; + } + + public XMLInputFactory getXmlFactory() { + return xmlFactory; + } + + public ScopeContainer getModuleScope() { + return moduleScope; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/IllegalCallbackException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/IllegalCallbackException.java new file mode 100644 index 0000000000..45741e828b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/IllegalCallbackException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public IllegalCallbackException(String message) { + super(message); + } + + public IllegalCallbackException(String message, Throwable cause) { + super(message, cause); + } + + public IllegalCallbackException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/InterfaceJavaLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/InterfaceJavaLoader.java new file mode 100644 index 0000000000..057928ed31 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/InterfaceJavaLoader.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.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, + 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, 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) { + LoaderException le = new LoaderException(e); + le.setIdentifier(interfaceClass.getName()); + throw le; + } + + // 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/JavaInterfaceProcessorRegistryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/JavaInterfaceProcessorRegistryImpl.java new file mode 100644 index 0000000000..b0df6d0844 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/idl/java/JavaInterfaceProcessorRegistryImpl.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.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.OneWay; +import org.osoa.sca.annotations.Remotable; +import org.osoa.sca.annotations.Scope; + +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.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())) { + IllegalCallbackException e = new IllegalCallbackException("No callback interface specified on annotation"); + e.setIdentifier(type.getName()); + throw e; + } + 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); + contract.setOperations(getOperations(type, remotable)); + + if (callback != null) { + contract.setCallbackName(getBaseName(callback)); + contract.setCallbackClass(callback); + contract.setCallbackOperations(getOperations(callback, remotable)); + } + + Scope interactionScope = type.getAnnotation(Scope.class); + if (interactionScope == null) { + contract.setInteractionScope(InteractionScope.NONCONVERSATIONAL); + } else { + if ("CONVERSATIONAL".equalsIgnoreCase(interactionScope.value())) { + contract.setInteractionScope(InteractionScope.CONVERSATIONAL); + } else { + contract.setInteractionScope(InteractionScope.NONCONVERSATIONAL); + } + } + for (JavaInterfaceProcessor processor : processors) { + processor.visitInterface(type, callback, contract); + } + return contract; + } + + private <T> Map<String, Operation<Type>> getOperations(Class<T> type, boolean remotable) + throws OverloadedOperationException { + 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.toString()); + } + + Type returnType = method.getGenericReturnType(); + Type[] paramTypes = method.getGenericParameterTypes(); + Type[] faultTypes = method.getGenericExceptionTypes(); + boolean nonBlocking = method.isAnnotationPresent(OneWay.class); + + 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); + operations.put(name, operation); + } + return operations; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/IntrospectionRegistryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoAtomicComponent.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoAtomicComponent.java new file mode 100644 index 0000000000..cfa5284efe --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoAtomicComponent.java @@ -0,0 +1,222 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.TargetException; +import org.apache.tuscany.spi.extension.AtomicComponentExtension; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.RuntimeWire; + +import org.apache.tuscany.core.injection.ArrayMultiplicityObjectFactory; +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.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 List<Class<?>> serviceInterfaces; + protected Map<String, Member> referenceSites; + protected Map<String, Member> propertySites; + protected Map<String, Member> callbackSites; + protected List<Injector<Object>> injectors; + + public PojoAtomicComponent(String name, PojoConfiguration configuration) { + super(name, + configuration.getParent(), + configuration.getScopeContainer(), + configuration.getWireService(), + configuration.getWorkContext(), + configuration.getScheduler(), + configuration.getInitLevel()); + assert configuration.getInstanceFactory() != null : "Object factory was null"; + initInvoker = configuration.getInitInvoker(); + destroyInvoker = configuration.getDestroyInvoker(); + instanceFactory = configuration.getInstanceFactory(); + constructorParamNames = configuration.getConstructorParamNames(); + serviceInterfaces = configuration.getServiceInterfaces(); + 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>(); + callbackSites = configuration.getCallbackSite() != null ? configuration.getCallbackSite() + : new HashMap<String, Member>(); + } + + public List<Class<?>> getServiceInterfaces() { + return serviceInterfaces; + } + + public void init(Object instance) throws TargetException { + if (initInvoker != null) { + try { + initInvoker.invokeEvent(instance); + } catch (ObjectCallbackException e) { + TargetException t = new TargetException("Error initializing component instance", e); + t.setIdentifier(getName()); + throw t; + } + } + } + + public void destroy(Object instance) throws TargetException { + if (destroyInvoker != null) { + try { + destroyInvoker.invokeEvent(instance); + } catch (ObjectCallbackException e) { + TargetException t = new TargetException("Error destroying component instance", e); + t.setIdentifier(getName()); + throw t; + } + } + } + + public Object getTargetInstance() throws TargetException { + return scopeContainer.getInstance(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 + } + + 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(wire); + break; + } + } + //TODO error if ref not set on constructor or ref site + } + + public void onReferenceWires(Class<?> multiplicityClass, 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); + } + } + injectors.add(createMultiplicityInjector(member, multiplicityClass, wires)); + //TODO multiplicity for constructor injection + } + + protected Injector<Object> createInjector(Member member, RuntimeWire wire) { + ObjectFactory<?> factory = createWireFactory(wire); + if (member instanceof Field) { + return new FieldInjector<Object>((Field) member, factory); + } else if (member instanceof Method) { + return new MethodInjector<Object>((Method) member, factory); + } else { + InvalidAccessorException e = new InvalidAccessorException("Member must be a field or method"); + e.setIdentifier(member.getName()); + throw e; + } + } + + protected Injector<Object> createMultiplicityInjector(Member member, + Class<?> interfaceType, + List<OutboundWire> wireFactories) { + List<ObjectFactory<?>> factories = new ArrayList<ObjectFactory<?>>(); + for (OutboundWire wire : wireFactories) { + factories.add(createWireFactory(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 { + InvalidAccessorException e = new InvalidAccessorException("Member must be a field or method"); + e.setIdentifier(member.getName()); + throw e; + } + } + + protected abstract ObjectFactory<?> createWireFactory(RuntimeWire wire); + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoConfiguration.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoConfiguration.java new file mode 100644 index 0000000000..6a8c80fb05 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/PojoConfiguration.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; + +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.ScopeContainer; +import org.apache.tuscany.spi.component.WorkContext; +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 CompositeComponent parent; + private ScopeContainer scopeContainer; + private PojoObjectFactory<?> instanceFactory; + private List<String> constructorParamNames = new ArrayList<String>(); + 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> callbackSites = new HashMap<String, Member>(); + private List<Class<?>> serviceInterfaces = new ArrayList<Class<?>>(); + private WireService wireService; + private WorkContext workContext; + private WorkScheduler scheduler; + + public CompositeComponent getParent() { + return parent; + } + + public void setParent(CompositeComponent parent) { + this.parent = parent; + } + + public ScopeContainer getScopeContainer() { + return scopeContainer; + } + + public void setScopeContainer(ScopeContainer scopeContainer) { + this.scopeContainer = scopeContainer; + } + + public List<Class<?>> getServiceInterfaces() { + return serviceInterfaces; + } + + public void addServiceInterface(Class<?> serviceInterface) { + serviceInterfaces.add(serviceInterface); + } + + 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 int getInitLevel() { + return initLevel; + } + + public void setInitLevel(int initLevel) { + this.initLevel = initLevel; + } + + 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> 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; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeComponent.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeComponent.java new file mode 100644 index 0000000000..7949bf4a71 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeComponent.java @@ -0,0 +1,170 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 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.CompositeComponent; +import org.apache.tuscany.spi.component.ObjectRegistrationException; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.ScopeContainer; +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.ComponentInitException; +import org.apache.tuscany.core.component.event.CompositeStart; +import org.apache.tuscany.core.component.event.CompositeStop; +import org.apache.tuscany.core.implementation.system.component.SystemSingletonAtomicComponent; + +/** + * 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 module is initialized exactly once prior to servicing requests + protected CountDownLatch initializeLatch = new CountDownLatch(1); + + protected final Object lock = new Object(); + + // Indicates whether the module context has been initialized + protected boolean initialized; + + protected ScopeContainer scopeContainer; + + + /** + * @param name the name of the SCA composite + * @param parent the SCA composite parent + * @param connector + * @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 void setScopeContainer(ScopeContainer scopeContainer) { + assert this.scopeContainer == null; + this.scopeContainer = scopeContainer; + addListener(scopeContainer); + } + + public <S, I extends S> void registerJavaObject(String name, Class<S> service, I instance) + throws ObjectRegistrationException { + register(new SystemSingletonAtomicComponent<S, I>(name, this, service, instance)); + } + + public void start() { + synchronized (lock) { + if (lifecycleState != UNINITIALIZED && lifecycleState != STOPPED) { + throw new IllegalStateException("Composite not in UNINITIALIZED state"); + } + + if (scopeContainer != null) { + scopeContainer.start(); + } + 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; + } + + publish(new CompositeStop(this, this)); + for (SCAObject child : children.values()) { + child.stop(); + } + for (SCAObject child : systemChildren.values()) { + child.stop(); + } + if (scopeContainer != null) { + scopeContainer.stop(); + } + + // 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) { + return null; + } + + public TargetInvoker createAsyncTargetInvoker(InboundWire wire, Operation operation) { + return null; + } + + + /** + * Blocks until the module context has been initialized + */ + protected void checkInit() { + if (!initialized) { + try { + /* block until the module has initialized */ + boolean success = initializeLatch.await(AbstractCompositeComponent.DEFAULT_WAIT, + TimeUnit.MILLISECONDS); + if (!success) { + throw new ComponentInitException("Timeout waiting for context to initialize"); + } + } catch (InterruptedException e) { // should not happen + } + } + + } + + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeReferenceTargetInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeReferenceTargetInvoker.java new file mode 100644 index 0000000000..5ef666be76 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractCompositeReferenceTargetInvoker.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.implementation.composite; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.TargetInvoker; + +/** + * Base class for dispatching to a Composite Reference. + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractCompositeReferenceTargetInvoker implements TargetInvoker { + + protected Operation operation; + protected boolean cacheable; + + public AbstractCompositeReferenceTargetInvoker(Operation operation) { + assert operation != null : "Operation method cannot be null"; + this.operation = operation; + } + + 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) throws InvocationTargetException { + Object[] args; + if (payload != null && !payload.getClass().isArray()) { + args = new Object[]{payload}; + } else { + args = (Object[]) payload; + } + try { + AbstractOperationOutboundInvocationHandler invocationHandler = getInvocationHandler(); + return invocationHandler.invoke(operation, args); + } catch (Throwable t) { + throw new InvocationTargetException(t); + } + } + + @Override + public AbstractCompositeReferenceTargetInvoker clone() throws CloneNotSupportedException { + return (AbstractCompositeReferenceTargetInvoker) super.clone(); + } + + protected abstract AbstractOperationOutboundInvocationHandler getInvocationHandler(); +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractOperationOutboundInvocationHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractOperationOutboundInvocationHandler.java new file mode 100644 index 0000000000..2ccc3ec729 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/AbstractOperationOutboundInvocationHandler.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.composite; + +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.AbstractOutboundInvocationHandler; + +/** + * + * @version $Rev$ $Date$ + */ +public abstract class AbstractOperationOutboundInvocationHandler + extends AbstractOutboundInvocationHandler { + + public abstract Object invoke(Operation operation, Object[] args) throws Throwable; +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBindlessBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBindlessBuilder.java new file mode 100644 index 0000000000..c0466465cf --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBindlessBuilder.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.implementation.composite; + +import org.osoa.sca.annotations.Init; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.builder.BindlessBuilder; +import org.apache.tuscany.spi.builder.BuilderRegistry; +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.component.WorkContext; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.model.BindlessServiceDefinition; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.wire.WireService; + +/** + * The default implementation f a {@link BindlessBuilder} for a composite + */ +public class CompositeBindlessBuilder implements BindlessBuilder { + + protected BuilderRegistry builderRegistry; + protected WireService wireService; + protected WorkContext workContext; + + @Autowire + public void setBuilderRegistry(BuilderRegistry registry) { + this.builderRegistry = registry; + } + + @Autowire + public void setWireService(WireService wireService) { + this.wireService = wireService; + } + + @Autowire + public void setWorkContext(WorkContext workContext) { + this.workContext = workContext; + } + + @Init(eager = true) + public void init() { + builderRegistry.register(this); + } + + public Service build(CompositeComponent parent, + BindlessServiceDefinition definition, + DeploymentContext deploymentContext) { + return new CompositeService(definition.getName(), + definition.getServiceContract().getInterfaceClass(), + parent, + wireService, + workContext); + } + + public Reference build(CompositeComponent parent, + ReferenceDefinition definition, + DeploymentContext deploymentContext) { + return new CompositeReference(definition.getName(), + parent, + wireService, + definition.getServiceContract(), + workContext); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBuilder.java new file mode 100644 index 0000000000..dccfc636c4 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeBuilder.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.implementation.composite; + +import java.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.spi.builder.BuilderConfigException; +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.extension.ComponentBuilderExtension; +import org.apache.tuscany.spi.model.Binding; +import org.apache.tuscany.spi.model.BindlessServiceDefinition; +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.CompositeImplementation; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ServiceDefinition; + +/** + * Instantiates a composite component from an assembly definition + * + * @version $Rev$ $Date$ + */ +public class CompositeBuilder extends ComponentBuilderExtension<CompositeImplementation> { + + public Component build(CompositeComponent parent, + ComponentDefinition<CompositeImplementation> componentDefinition, + DeploymentContext deploymentContext) throws BuilderConfigException { + CompositeImplementation implementation = componentDefinition.getImplementation(); + CompositeComponentType<?, ?, ?> componentType = implementation.getComponentType(); + + // create lists of all components, services and references in this composite + List<ComponentDefinition<? extends Implementation<?>>> allComponents = + new ArrayList<ComponentDefinition<? extends Implementation<?>>>(); + allComponents.addAll(componentType.getComponents().values()); + + List<BoundServiceDefinition<? extends Binding>> allBoundServices = + new ArrayList<BoundServiceDefinition<? extends Binding>>(); + List<BindlessServiceDefinition> allBindlessServices = new ArrayList<BindlessServiceDefinition>(); + for (ServiceDefinition serviceDefinition : componentType.getServices().values()) { + if (serviceDefinition instanceof BoundServiceDefinition) { + BoundServiceDefinition<? extends Binding> boundService = + (BoundServiceDefinition<? extends Binding>) serviceDefinition; + allBoundServices.add(boundService); + } else if (serviceDefinition instanceof BindlessServiceDefinition) { + allBindlessServices.add((BindlessServiceDefinition) serviceDefinition); + } + } + + // FIXME is this right? + List<BoundReferenceDefinition<? extends Binding>> allBoundReferences = + new ArrayList<BoundReferenceDefinition<? extends Binding>>(); + List<ReferenceDefinition> allTargetlessReferences = new ArrayList<ReferenceDefinition>(); + + for (Object referenceTarget : componentType.getReferences().values()) { + if (referenceTarget instanceof BoundReferenceDefinition<?>) { + allBoundReferences.add((BoundReferenceDefinition<? extends Binding>) referenceTarget); + } else if (referenceTarget instanceof ReferenceDefinition) { + allTargetlessReferences.add((ReferenceDefinition) referenceTarget); + } + } + + String name = componentDefinition.getName(); + CompositeComponentImpl component = new CompositeComponentImpl(name, parent, connector, null); + for (BoundReferenceDefinition<? extends Binding> referenceDefinition : allBoundReferences) { + component.register(builderRegistry.build(component, referenceDefinition, deploymentContext)); + } + for (BindlessServiceDefinition bindlessServiceDef : allBindlessServices) { + component.register(builderRegistry.build(component, bindlessServiceDef, deploymentContext)); + } + for (ComponentDefinition<? extends Implementation<?>> child : allComponents) { + component.register(builderRegistry.build(component, child, deploymentContext)); + } + for (BoundServiceDefinition<? extends Binding> serviceDefinition : allBoundServices) { + component.register(builderRegistry.build(component, serviceDefinition, deploymentContext)); + } + for (ReferenceDefinition targetlessReferenceDef : allTargetlessReferences) { + component.register(builderRegistry.build(component, targetlessReferenceDef, deploymentContext)); + } + + // HACK: [rfeng] We need a better way to propagate model extensions to SCAObject. + component.getExtensions().putAll(componentType.getExtensions()); + + return component; + } + + protected Class<CompositeImplementation> getImplementationType() { + return CompositeImplementation.class; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentImpl.java new file mode 100644 index 0000000000..d7833c8707 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentImpl.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.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; + + public CompositeComponentImpl(String name, + CompositeComponent parent, + Connector connector, + Map<String, Document> propertyValues) { + this(name, null, parent, connector, propertyValues); + } + + /** + * 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 + * @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; + } + + public String getURI() { + return uri; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentTypeLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeComponentTypeLoader.java new file mode 100644 index 0000000000..cac1b231c6 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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, url, CompositeComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeLoader.java new file mode 100644 index 0000000000..312d06cbd2 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeLoader.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.implementation.composite; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import static org.osoa.sca.Version.XML_NAMESPACE_1_0; + +import java.net.URL; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.core.property.PropertyHelper; +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.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +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.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.ServiceDefinition; +import org.apache.tuscany.spi.services.artifact.Artifact; +import org.apache.tuscany.spi.services.artifact.ArtifactRepository; + +/** + * 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"); + + 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, + 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, 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<? extends Implementation<?>>) 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 { + // HACK: [rfeng] 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())) { + done = true; + break; + } + } + } + for (ComponentDefinition<? extends Implementation<?>> c : composite.getComponents().values()) { + PropertyHelper.processProperties(composite, c, deploymentContext); + } + return composite; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeReference.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeReference.java new file mode 100644 index 0000000000..60f91ec073 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeReference.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.implementation.composite; + +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.extension.ReferenceExtension; +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.WireService; + +/** + * A bindless reference to a target service in the parent composite + */ +public class CompositeReference extends ReferenceExtension { + + private WorkContext workContext; + + public CompositeReference(String name, + CompositeComponent parent, + WireService wireService, + ServiceContract contract, + WorkContext workContext) { + super(name, contract.getInterfaceClass(), parent, wireService); + this.workContext = workContext; + } + + public TargetInvoker createTargetInvoker(ServiceContract contract, Operation operation) { + return new CompositeReferenceTargetInvoker(operation, inboundWire, outboundWire, workContext); + } + + public TargetInvoker createCallbackTargetInvoker(ServiceContract contract, Operation operation) { + return new CompositeReferenceCallbackTargetInvoker(operation, inboundWire, workContext); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeReferenceCallbackTargetInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeReferenceCallbackTargetInvoker.java new file mode 100644 index 0000000000..5301e024dc --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeReferenceCallbackTargetInvoker.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.composite; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.spi.component.WorkContext; +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; + +/** + * + */ +public class CompositeReferenceCallbackTargetInvoker extends AbstractCompositeReferenceTargetInvoker { + + private InboundWire inboundWire; + private WorkContext workContext; + + public CompositeReferenceCallbackTargetInvoker(Operation operation, InboundWire inboundWire, WorkContext context) { + super(operation); + this.inboundWire = inboundWire; + this.workContext = context; + } + + public Message invoke(Message msg) throws InvocationRuntimeException { + try { + workContext.setCurrentMessageId(msg.getMessageId()); + workContext.setCurrentCorrelationId(msg.getCorrelationId()); + Object resp = invokeTarget(msg.getBody()); + msg.setBody(resp); + } catch (InvocationTargetException e) { + msg.setBodyWithFault(e.getCause()); + } catch (Throwable e) { + msg.setBodyWithFault(e); + } + return msg; + } + + public CompositeReferenceCallbackTargetInvoker clone() throws CloneNotSupportedException { + return (CompositeReferenceCallbackTargetInvoker) super.clone(); + } + + protected AbstractOperationOutboundInvocationHandler getInvocationHandler() { + return new OperationCallbackInvocationHandler(workContext, inboundWire); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeReferenceTargetInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeReferenceTargetInvoker.java new file mode 100644 index 0000000000..42c9c7ed82 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeReferenceTargetInvoker.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.implementation.composite; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.spi.component.WorkContext; +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.OutboundWire; + +/** + * + */ +public class CompositeReferenceTargetInvoker extends AbstractCompositeReferenceTargetInvoker { + + private InboundWire inboundWire; + private OutboundWire outboundWire; + private WorkContext workContext; + + + public CompositeReferenceTargetInvoker(Operation operation, + InboundWire inboundWire, + OutboundWire outboundWire, + WorkContext workContext) { + super(operation); + this.inboundWire = inboundWire; + this.outboundWire = outboundWire; + this.workContext = workContext; + } + + public Message invoke(Message msg) throws InvocationRuntimeException { + try { + inboundWire.addMapping(msg.getMessageId(), msg.getFromAddress()); + workContext.setCurrentMessageId(msg.getMessageId()); + workContext.setCurrentCorrelationId(msg.getCorrelationId()); + Object resp = invokeTarget(msg.getBody()); + msg.setBody(resp); + } catch (InvocationTargetException e) { + msg.setBodyWithFault(e.getCause()); + } catch (Throwable e) { + msg.setBodyWithFault(e); + } + return msg; + } + + public CompositeReferenceTargetInvoker clone() throws CloneNotSupportedException { + return (CompositeReferenceTargetInvoker) super.clone(); + } + + protected AbstractOperationOutboundInvocationHandler getInvocationHandler() { + return new OperationOutboundInvocationHandler(outboundWire, workContext); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeService.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeService.java new file mode 100644 index 0000000000..45b1e41d13 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/CompositeService.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.composite; + +import org.apache.tuscany.spi.CoreRuntimeException; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.extension.ServiceExtension; +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.WireService; + +public class CompositeService extends ServiceExtension { + + private WorkContext workContext; + + public CompositeService(String name, + Class<?> interfaze, + CompositeComponent parent, + WireService wireService, + WorkContext workContext) throws CoreRuntimeException { + super(name, interfaze, parent, wireService); + this.workContext = workContext; + } + + /** + * A service for a remote binding does not need a target invoker, but a bindless service does because it gets wired + * localy from a reference (or from a parent service?!) We just reuse CompositeReferenceTargetInvoker for now since + * it seems the target invoker we need does the same thing, if this is confirmed we should give it a common name + * FIXME !!! Notice that this method is not defined in the SPI !!! + */ + public TargetInvoker createTargetInvoker(ServiceContract contract, Operation operation) { + return new CompositeReferenceTargetInvoker(operation, inboundWire, outboundWire, workContext); + } + + /** + */ + public TargetInvoker createCallbackTargetInvoker(ServiceContract contract, Operation operation) { + return new CompositeReferenceCallbackTargetInvoker(operation, inboundWire, workContext); + } + + public Object getServiceInstance() throws TargetException { + return interfaze.cast(wireService.createProxy(outboundWire)); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/Dependency.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/DependencyLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/DependencyLoader.java new file mode 100644 index 0000000000..643c59bad2 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/DependencyLoader.java @@ -0,0 +1,81 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.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.services.artifact.Artifact; + +/** + * Loader for handling <dependency> elements. + * + * @version $Rev$ $Date$ + */ +public class DependencyLoader extends LoaderExtension<Dependency> { + private static final String NS = "http://incubator.apache.org/tuscany/xmlns/1.0-incubator-M2"; + 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, + 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); + } + } + Dependency dependency = new Dependency(); + dependency.setArtifact(artifact); + return dependency; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ImplementationCompositeLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ImplementationCompositeLoader.java new file mode 100644 index 0000000000..40051d30ba --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/ImplementationCompositeLoader.java @@ -0,0 +1,133 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.Collections; +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.osoa.sca.annotations.Constructor; + +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.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, + 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) { + InvalidValueException ive = new InvalidValueException(scdlLocation, e); + ive.setIdentifier(name); + throw ive; + } + impl.setClassLoader(deploymentContext.getClassLoader()); + } else if (jarLocation != null) { + URL jarUrl; + try { + jarUrl = new URL(deploymentContext.getScdlLocation(), jarLocation); + } catch (MalformedURLException e) { + InvalidValueException ive = new InvalidValueException(jarLocation, e); + ive.setIdentifier(name); + throw ive; + } + 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) { + MissingResourceException mre = new MissingResourceException(artifact.toString()); + mre.setIdentifier(name); + throw mre; + } + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/OperationCallbackInvocationHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/OperationCallbackInvocationHandler.java new file mode 100644 index 0000000000..df8e13a58e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/OperationCallbackInvocationHandler.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.implementation.composite; + +import java.util.Map; + +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.InboundWire; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.TargetInvoker; + +/** + * + */ +public class OperationCallbackInvocationHandler extends AbstractOperationOutboundInvocationHandler { + + private WorkContext context; + private InboundWire inboundWire; + private Object messageId; + private Object correlationId; + + public OperationCallbackInvocationHandler(WorkContext context, InboundWire inboundWire) { + this.context = context; + this.inboundWire = inboundWire; + } + + public Object invoke(Object proxy, Operation operation, Object[] args) throws Throwable { + messageId = context.getCurrentMessageId(); + context.setCurrentMessageId(null); + correlationId = context.getCurrentCorrelationId(); + context.setCurrentCorrelationId(null); + Object targetAddress = inboundWire.retrieveMapping(correlationId); + if (targetAddress == null) { + throw new AssertionError("No from address associated with message id [" + correlationId + "]"); + } + //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, args); + } + + + public Object invoke(Operation operation, Object[] args) throws Throwable { + return invoke(null, operation, args); + } + + protected Object getFromAddress() { + return (inboundWire.getContainer() == null) ? null : inboundWire.getContainer().getName(); + } + + protected Object getMessageId() { + return messageId; + } + + protected Object getCorrelationId() { + return correlationId; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/OperationOutboundInvocationHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/OperationOutboundInvocationHandler.java new file mode 100644 index 0000000000..ba49cee547 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/composite/OperationOutboundInvocationHandler.java @@ -0,0 +1,127 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.TargetInvoker; + +/** + * + */ +public class OperationOutboundInvocationHandler extends AbstractOperationOutboundInvocationHandler { + + /* + * 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 Map<Operation, ChainHolder> chains; + private WorkContext context; + private Object fromAddress; + private Object messageId; + private Object correlationId; + + public OperationOutboundInvocationHandler(OutboundWire wire, WorkContext context) { + Map<Operation<?>, OutboundInvocationChain> invocationChains = wire.getInvocationChains(); + this.chains = new HashMap<Operation, ChainHolder>(invocationChains.size()); + this.fromAddress = (wire.getContainer() == null) ? null : wire.getContainer().getName(); + // TODO optimize this + for (Map.Entry<Operation<?>, OutboundInvocationChain> entry : invocationChains.entrySet()) { + Operation operation = entry.getKey(); + this.chains.put(operation, new ChainHolder(entry.getValue())); + } + + this.context = context; + } + + public Object invoke(Object proxy, Operation operation, Object[] args) throws Throwable { + ChainHolder holder = chains.get(operation); + if (holder == null) { + TargetException e = new TargetException("Operation not configured"); + e.setIdentifier(operation.getName()); + throw e; + } + OutboundInvocationChain chain = holder.chain; + TargetInvoker invoker; + + if (holder.cachedInvoker == null) { + assert chain != null; + if (chain.getTargetInvoker() == null) { + TargetException e = new TargetException("No target invoker configured for operation"); + e.setIdentifier(chain.getOperation().getName()); + throw e; + } + 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(); + } + messageId = context.getCurrentMessageId(); + context.setCurrentMessageId(null); + correlationId = context.getCurrentCorrelationId(); + context.setCurrentCorrelationId(null); + return invoke(chain, invoker, args); + } + + public Object invoke(Operation operation, Object[] args) throws Throwable { + return invoke(null, operation, args); + } + + protected Object getFromAddress() { + return fromAddress; + } + + protected Object getMessageId() { + return messageId; + } + + protected Object getCorrelationId() { + return correlationId; + } + + /** + * 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 { + + OutboundInvocationChain chain; + TargetInvoker cachedInvoker; + + public ChainHolder(OutboundInvocationChain config) { + this.chain = config; + } + + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/AsyncJavaTargetInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/AsyncJavaTargetInvoker.java new file mode 100644 index 0000000000..d6e2a35a87 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/AsyncJavaTargetInvoker.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.java; + +import java.lang.reflect.Method; + +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.WorkContext; +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.core.wire.PojoTargetInvoker; + +/** + * Responsible for performing a non-blocking dispatch on a Java component implementation instance + * + * @version $Rev$ $Date$ + */ +public class AsyncJavaTargetInvoker extends PojoTargetInvoker { + + private JavaAtomicComponent component; + private InboundWire wire; + private AsyncMonitor monitor; + private WorkContext workContext; + private Object target; + + /** + * Creates a new invoker + * + * @param operation the operation the invoker is associated with + * @param wire + * @param component the target component + * @param monitor the monitor to pass events to + * @param workContext + */ + public AsyncJavaTargetInvoker(Method operation, + InboundWire wire, + JavaAtomicComponent component, + AsyncMonitor monitor, + WorkContext workContext) { + super(operation); + this.wire = wire; + this.component = component; + this.monitor = monitor; + this.workContext = workContext; + } + + public Message invoke(Message msg) throws InvocationRuntimeException { + try { + Object messageId = msg.getMessageId(); + wire.addMapping(messageId, msg.getFromAddress()); + workContext.setCurrentMessageId(null); + workContext.setCurrentCorrelationId(messageId); + invokeTarget(msg.getBody()); + // async so no return value + return null; + } catch (Throwable e) { + // FIXME need to log exceptions + monitor.executionError(e); + return null; + } + } + + public AsyncJavaTargetInvoker clone() throws CloneNotSupportedException { + return (AsyncJavaTargetInvoker) super.clone(); + } + + /** + * Resolves the target service instance or returns a cached one + */ + protected Object getInstance() throws TargetException { + if (!cacheable) { + return component.getTargetInstance(); + } else { + if (target == null) { + target = component.getTargetInstance(); + } + return target; + } + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/AsyncMonitor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/AsyncMonitor.java new file mode 100644 index 0000000000..6d35b32841 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/AsyncMonitor.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.implementation.java; + +/** + * A monitor used to log events during non-blocking invocations + * <p/> + * REVIEW JFM we should probably generalize async monitor and make it an invocation monitor + * + * @version $$Rev$$ $$Date$$ + */ +public interface AsyncMonitor { + + /** + * Logs an exception thrown during an invocation + */ + void executionError(Throwable e); + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaAtomicComponent.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaAtomicComponent.java new file mode 100644 index 0000000000..96b61dab1c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaAtomicComponent.java @@ -0,0 +1,136 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.TargetNotFoundException; +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.RuntimeWire; +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.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; +import org.apache.tuscany.core.injection.WireObjectFactory; + +/** + * The runtime instantiation of Java component implementations + * + * @version $Rev$ $Date$ + */ +public class JavaAtomicComponent extends PojoAtomicComponent { + + private AsyncMonitor monitor; + + public JavaAtomicComponent(String name, + PojoConfiguration configuration, + AsyncMonitor monitor) { + super(name, configuration); + this.scope = configuration.getScopeContainer().getScope(); + this.monitor = monitor; + } + + public Object getServiceInstance(String name) throws TargetException { + InboundWire wire = serviceWires.get(name); + if (wire == null) { + TargetNotFoundException e = new TargetNotFoundException(name); + e.addContextName(getName()); + throw e; + } + return wireService.createProxy(wire); + } + + public Object getServiceInstance() throws TargetException { + if (serviceInterfaces.size() == 0) { + return getTargetInstance(); + } else if (serviceInterfaces.size() == 1) { + return getTargetInstance(); + } else { + throw new TargetException("Component must have exactly one service"); + } + } + + public TargetInvoker createTargetInvoker(String targetName, Operation operation) { + Method[] methods; + if (operation.isCallback()) { + methods = operation.getServiceContract().getCallbackClass().getMethods(); + + } else { + methods = operation.getServiceContract().getInterfaceClass().getMethods(); + } + Method method = findMethod(operation, methods); + return new JavaTargetInvoker(method, this); + } + + public TargetInvoker createAsyncTargetInvoker(InboundWire wire, Operation operation) { + Method method; + if (operation.isCallback()) { + method = findMethod(operation, operation.getServiceContract().getCallbackClass().getMethods()); + + } else { + method = findMethod(operation, operation.getServiceContract().getInterfaceClass().getMethods()); + } + return new AsyncJavaTargetInvoker(method, wire, this, monitor, workContext); + } + + 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(contract, wireService, inboundWire); + return new FieldInjector<Object>(field, factory); + } else if (member instanceof Method) { + Method method = (Method) member; + ObjectFactory<?> factory = new CallbackWireObjectFactory(contract, wireService, inboundWire); + return new MethodInjector<Object>(method, factory); + } else { + InvalidAccessorException e = new InvalidAccessorException("Member must be a field or method"); + e.setIdentifier(member.getName()); + throw e; + } + } + + protected ObjectFactory<?> createWireFactory(RuntimeWire wire) { + return new WireObjectFactory(wire, wireService); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentBuilder.java new file mode 100644 index 0000000000..2666423b12 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentBuilder.java @@ -0,0 +1,140 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.implementation.java.JavaMappedService; + +import org.apache.tuscany.api.annotation.Monitor; +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.model.ComponentDefinition; +import org.apache.tuscany.spi.model.PropertyValue; +import org.apache.tuscany.spi.model.Scope; + +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.core.implementation.PojoConfiguration; +import org.apache.tuscany.core.injection.MethodEventInvoker; +import org.apache.tuscany.core.injection.PojoObjectFactory; + +/** + * Builds a Java-based atomic context from a component definition + * + * @version $$Rev$$ $$Date$$ + */ +public class JavaComponentBuilder extends ComponentBuilderExtension<JavaImplementation> { + + private AsyncMonitor monitor; + + @Monitor + public void setMonitor(AsyncMonitor monitor) { + this.monitor = monitor; + } + + @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); + Scope scope = componentType.getImplementationScope(); + if (Scope.MODULE == scope) { + configuration.setScopeContainer(deployment.getModuleScope()); + } else { + configuration.setScopeContainer(scopeRegistry.getScopeContainer(scope)); + } + if (definition.getInitLevel() != null) { + configuration.setInitLevel(definition.getInitLevel()); + } else { + configuration.setInitLevel(componentType.getInitLevel()); + } + 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); + + // 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); + } + } + // setup constructor injection + ConstructorDefinition<?> ctorDef = componentType.getConstructorDefinition(); + Constructor<?> constr = ctorDef.getConstructor(); + PojoObjectFactory<?> instanceFactory = new PojoObjectFactory(constr); + configuration.setInstanceFactory(instanceFactory); + configuration.getConstructorParamNames().addAll(ctorDef.getInjectionNames()); + + JavaAtomicComponent component = + new JavaAtomicComponent(definition.getName(), configuration, monitor); + + // handle properties + for (PropertyValue<?> property : definition.getPropertyValues().values()) { + ObjectFactory<?> factory = property.getValueFactory(); + if (factory != null) { + component.addPropertyFactory(property.getName(), factory); + } + } + + 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()); + } + } + return component; + } + + protected Class<JavaImplementation> getImplementationType() { + return JavaImplementation.class; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentTypeLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentTypeLoader.java new file mode 100644 index 0000000000..0c4f5537ab --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaComponentTypeLoader.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.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.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; + +import org.apache.tuscany.spi.implementation.java.IntrospectionRegistry; +import org.apache.tuscany.spi.implementation.java.JavaMappedService; + +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.ProcessingException; + +import org.apache.tuscany.spi.implementation.java.PojoComponentType; + +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(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(URL url, DeploymentContext deploymentContext) throws LoaderException { + return loaderRegistry.load(null, url, PojoComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementation.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementationLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementationLoader.java new file mode 100644 index 0000000000..2ac8056d74 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaImplementationLoader.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.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, 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaTargetInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaTargetInvoker.java new file mode 100644 index 0000000000..004929fd93 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/java/JavaTargetInvoker.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.java; + +import java.lang.reflect.Method; + +import org.apache.tuscany.spi.component.TargetException; + +import org.apache.tuscany.core.wire.PojoTargetInvoker; + +/** + * Uses a component to resolve an implementation instance based on the current thread component + * + * @version $Rev$ $Date$ + */ +public class JavaTargetInvoker extends PojoTargetInvoker { + + private JavaAtomicComponent component; + private Object target; + + /** + * Creates a new invoker + * + * @param operation the operation the invoker is associated with + * @param component the target component + */ + public JavaTargetInvoker(Method operation, JavaAtomicComponent component) { + super(operation); + assert component != null : "No atomic component specified"; + this.component = component; + } + + /** + * Resolves the target service instance or returns a cached one + */ + protected Object getInstance() throws TargetException { + if (!cacheable) { + return component.getTargetInstance(); + } else { + if (target == null) { + target = component.getTargetInstance(); + } + return target; + } + } + + public JavaTargetInvoker clone() throws CloneNotSupportedException { + JavaTargetInvoker invoker = (JavaTargetInvoker) super.clone(); + invoker.target = null; + invoker.cacheable = this.cacheable; + invoker.component = this.component; + return invoker; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/AmbiguousConstructorException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/AmbiguousConstructorException.java new file mode 100644 index 0000000000..6a91bbefe4 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/AmbiguousConstructorException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public AmbiguousConstructorException(String message) { + super(message); + } + + public AmbiguousConstructorException(String message, Throwable cause) { + super(message, cause); + } + + public AmbiguousConstructorException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ConstructorProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ConstructorProcessor.java new file mode 100644 index 0000000000..b363d46337 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ConstructorProcessor.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.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) { + DuplicateConstructorException e = + new DuplicateConstructorException("Multiple constructors marked with @Constructor"); + e.setIdentifier(constructor.getDeclaringClass().getName()); + throw e; + } + 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)) { + DuplicateConstructorException e = + new DuplicateConstructorException("Multiple constructor definitions found"); + e.setIdentifier(constructor.getDeclaringClass().getName()); + throw e; + } 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.setIdentifier(constructor.toString()); + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ContextProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ContextProcessor.java new file mode 100644 index 0000000000..326bfb05f4 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ContextProcessor.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.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.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.core.util.JavaIntrospectionHelper; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; + +/** + * 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 { + + 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) { + IllegalContextException e = new IllegalContextException("Context setter must have one parameter"); + e.setIdentifier(method.toString()); + throw e; + } + Class<?> paramType = method.getParameterTypes()[0]; + if (CompositeContext.class.equals(paramType)) { + String name = method.getName(); + if (name.startsWith("set")) { + name = JavaIntrospectionHelper.toPropertyName(name); + } + JavaMappedProperty property = new JavaMappedProperty(); + property.setName(name); + property.setMember(method); + throw new UnsupportedOperationException(); + // TODO pass in composite context + //SingletonObjectFactory factory = new SingletonObjectFactory(compositeContext); + //property.setDefaultValueFactory(factory); + //type.getProperties().put(name,property); + } else if (RequestContext.class.equals(paramType)) { + String name = method.getName(); + if (name.startsWith("set")) { + name = JavaIntrospectionHelper.toPropertyName(name); + } + JavaMappedProperty property = new JavaMappedProperty(); + property.setName(name); + property.setMember(method); + throw new UnsupportedOperationException(); + // TODO pass in request context + //property.setDefaultValueFactory(factory); + //type.getProperties().put(name,property); + } else { + throw new UnknownContextTypeException(paramType.getName()); + } + + } + + public void visitField(CompositeComponent parent, Field field, + PojoComponentType<JavaMappedService, JavaMappedReference, JavaMappedProperty<?>> type, + DeploymentContext context) throws ProcessingException { + super.visitField(parent, field, type, context); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DestroyProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DestroyProcessor.java new file mode 100644 index 0000000000..a25902566f --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DestroyProcessor.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.implementation.processor; + +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; + +import org.osoa.sca.annotations.Destroy; + +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.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; + +/** + * 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) { + IllegalDestructorException e = new IllegalDestructorException("Destructor must not have argments"); + e.setIdentifier(method.toString()); + throw e; + } + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateConstructorException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateConstructorException.java new file mode 100644 index 0000000000..909d0ef124 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateConstructorException.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; + +/** + * 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() { + } + + public DuplicateConstructorException(String message) { + super(message); + } + + public DuplicateConstructorException(String message, Throwable cause) { + super(message, cause); + } + + public DuplicateConstructorException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateDestructorException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateDestructorException.java new file mode 100644 index 0000000000..732dd926c3 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateDestructorException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public DuplicateDestructorException(String message) { + super(message); + } + + public DuplicateDestructorException(String message, Throwable cause) { + super(message, cause); + } + + public DuplicateDestructorException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateInitException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateInitException.java new file mode 100644 index 0000000000..6795a7bfce --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateInitException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public DuplicateInitException(String message) { + super(message); + } + + public DuplicateInitException(String message, Throwable cause) { + super(message, cause); + } + + public DuplicateInitException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateReferenceException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateReferenceException.java new file mode 100644 index 0000000000..da6ceaa472 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/DuplicateReferenceException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public DuplicateReferenceException(String message) { + super(message); + } + + public DuplicateReferenceException(String message, Throwable cause) { + super(message, cause); + } + + public DuplicateReferenceException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/HeuristicPojoProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/HeuristicPojoProcessor.java new file mode 100644 index 0000000000..27ecccafb3 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/HeuristicPojoProcessor.java @@ -0,0 +1,521 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 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; + +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.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.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 org.osoa.sca.annotations.Remotable; +import org.osoa.sca.annotations.Service; + +/** + * 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 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; + } + + // 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)); + } + } + evaluateConstructor(type, clazz); + } + + /** + * 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) { + NoConstructorException e = new NoConstructorException("No public constructor for class"); + e.setIdentifier(clazz.getName()); + throw e; + } 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) { + // 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); + } + } else { + // 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) { + AmbiguousConstructorException e = + new AmbiguousConstructorException("Ambiguous property or reference for constructor type"); + e.setIdentifier(type.getName()); + throw e; + } + 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) { + AmbiguousConstructorException e = + new AmbiguousConstructorException("Ambiguous property or reference for constructor type"); + e.setIdentifier(type.getName()); + throw e; + } + 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); + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalCallbackReferenceException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalCallbackReferenceException.java new file mode 100644 index 0000000000..7ad5b7e526 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalCallbackReferenceException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public IllegalCallbackReferenceException(String message) { + super(message); + } + + public IllegalCallbackReferenceException(String message, Throwable cause) { + super(message, cause); + } + + public IllegalCallbackReferenceException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalContextException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalContextException.java new file mode 100644 index 0000000000..9c64b3dee8 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalContextException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public IllegalContextException(String message) { + super(message); + } + + public IllegalContextException(String message, Throwable cause) { + super(message, cause); + } + + public IllegalContextException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalDestructorException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalDestructorException.java new file mode 100644 index 0000000000..b412a38bb9 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalDestructorException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public IllegalDestructorException(String message) { + super(message); + } + + public IllegalDestructorException(String message, Throwable cause) { + super(message, cause); + } + + public IllegalDestructorException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalInitException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalInitException.java new file mode 100644 index 0000000000..615a81926c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalInitException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public IllegalInitException(String message) { + super(message); + } + + public IllegalInitException(String message, Throwable cause) { + super(message, cause); + } + + public IllegalInitException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalReferenceException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalReferenceException.java new file mode 100644 index 0000000000..10a75baaa5 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalReferenceException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public IllegalReferenceException(String message) { + super(message); + } + + public IllegalReferenceException(String message, Throwable cause) { + super(message, cause); + } + + public IllegalReferenceException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalServiceDefinitionException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalServiceDefinitionException.java new file mode 100644 index 0000000000..60fd13a3e5 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/IllegalServiceDefinitionException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public IllegalServiceDefinitionException(String message) { + super(message); + } + + public IllegalServiceDefinitionException(String message, Throwable cause) { + super(message, cause); + } + + public IllegalServiceDefinitionException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ImplementationProcessorServiceImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ImplementationProcessorServiceImpl.java new file mode 100644 index 0000000000..2c2b40bc3e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ImplementationProcessorServiceImpl.java @@ -0,0 +1,339 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.apache.tuscany.spi.annotation.Autowire; +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.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; + + public ImplementationProcessorServiceImpl(@Autowire JavaInterfaceProcessorRegistry registry) { + this.registry = registry; + } + + public JavaMappedService createService(Class<?> interfaze) throws InvalidServiceContractException { + JavaMappedService service = new JavaMappedService(); + service.setName(getBaseName(interfaze)); + 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())) { + IllegalCallbackException e = new IllegalCallbackException( + "Callback annotation must specify an interface on service type"); + e.setIdentifier(interfaze.getName()); + throw e; + } + } + + 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); + } + } + 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)) { + return true; + } + } + } + return false; + } + + /** + * 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 InvalidAutowireException, InvalidConstructorException { + // 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])) { + throw new InvalidConstructorException("Name specified by @Constructor does not match autowire name at " + + (pos + 1)); + } + reference.setName(name); + + reference.setRequired(autowireAnnot.required()); + + 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>(); + 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])) { + throw new InvalidConstructorException("Name specified by @Constructor does not match property name at " + + (pos + 1)); + } + if (type.getProperties().get(name) != null) { + throw new DuplicatePropertyException(name); + } + property.setName(name); + property.setOverride(OverrideOptions.valueOf(propAnnot.override().toUpperCase())); + + property.setXmlType(QName.valueOf(propAnnot.xmlType())); + 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])) { + throw new InvalidConstructorException("Name specified by @Constructor does not match reference name at " + + (pos + 1)); + } + 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); + } + + 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 = null; + 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; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InitProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InitProcessor.java new file mode 100644 index 0000000000..cf32e8b855 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InitProcessor.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.implementation.processor; + +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; + +import org.osoa.sca.annotations.Init; + +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.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; + +/** + * 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) { + IllegalInitException e = new IllegalInitException("Initializer must not have argments"); + e.setIdentifier(method.toString()); + throw e; + } + if (type.getInitMethod() != null) { + throw new DuplicateInitException("More than one initializer found on implementaton"); + } + if (Modifier.isProtected(method.getModifiers())) { + method.setAccessible(true); + } + type.setEagerInit(annotation.eager()); + type.setInitMethod(method); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidAutowireException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidAutowireException.java new file mode 100644 index 0000000000..1a46b22d8d --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidAutowireException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public InvalidAutowireException(String message) { + super(message); + } + + public InvalidAutowireException(String message, Throwable cause) { + super(message, cause); + } + + public InvalidAutowireException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidConstructorException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidConstructorException.java new file mode 100644 index 0000000000..ded7b8886a --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidConstructorException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public InvalidConstructorException(String message) { + super(message); + } + + public InvalidConstructorException(String message, Throwable cause) { + super(message, cause); + } + + public InvalidConstructorException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidPropertyException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidPropertyException.java new file mode 100644 index 0000000000..7a45d22605 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidPropertyException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public InvalidPropertyException(String message) { + super(message); + } + + public InvalidPropertyException(String message, Throwable cause) { + super(message, cause); + } + + public InvalidPropertyException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidReferenceException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidReferenceException.java new file mode 100644 index 0000000000..634acaaaed --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidReferenceException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidServiceType.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidServiceType.java new file mode 100644 index 0000000000..36936acbfb --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/InvalidServiceType.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public InvalidServiceType(String message) { + super(message); + } + + public InvalidServiceType(String message, Throwable cause) { + super(message, cause); + } + + public InvalidServiceType(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/MonitorProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/NoConstructorException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/NoConstructorException.java new file mode 100644 index 0000000000..78a9c6b503 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/NoConstructorException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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) { + super(message); + } + + public NoConstructorException(String message, Throwable cause) { + super(message, cause); + } + + public NoConstructorException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/PropertyProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ReferenceProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ReferenceProcessor.java new file mode 100644 index 0000000000..d96f31023b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ReferenceProcessor.java @@ -0,0 +1,155 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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) { + IllegalReferenceException e = new IllegalReferenceException("Setter must have one parameter"); + e.setIdentifier(method.toString()); + throw e; + } + //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 = method.getName(); + if (method.getName().startsWith("set")) { + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ScopeProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ScopeProcessor.java new file mode 100644 index 0000000000..3827a82652 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ScopeProcessor.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.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; + } + //FIXME deal with eager init + String name = annotation.value(); + Scope scope; + if ("MODULE".equals(name)) { + scope = Scope.MODULE; + } else if ("SESSION".equals(name)) { + scope = Scope.SESSION; + } else if ("REQUEST".equals(name)) { + scope = Scope.REQUEST; + } else if ("COMPOSITE".equals(name)) { + scope = Scope.COMPOSITE; + } else { + scope = new Scope(name); + } + type.setImplementationScope(scope); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceProcessor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceProcessor.java new file mode 100644 index 0000000000..5e4e561228 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceProcessor.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.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()) { + InvalidServiceType e = new InvalidServiceType("Service must be an interface"); + e.setIdentifier(interfaze.getName()); + throw e; + } + 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) { + IllegalCallbackReferenceException e = + new IllegalCallbackReferenceException("Setter must have one parameter"); + e.setIdentifier(method.toString()); + throw e; + } + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceTypeNotFoundException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceTypeNotFoundException.java new file mode 100644 index 0000000000..a84e8f3850 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/ServiceTypeNotFoundException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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() { + } + + public ServiceTypeNotFoundException(String message) { + super(message); + } + + public ServiceTypeNotFoundException(String message, Throwable cause) { + super(message, cause); + } + + public ServiceTypeNotFoundException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/UnknownContextTypeException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/UnknownContextTypeException.java new file mode 100644 index 0000000000..875f10a4fd --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/processor/UnknownContextTypeException.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; + +/** + * 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() { + } + + public UnknownContextTypeException(String message) { + super(message); + } + + public UnknownContextTypeException(String message, Throwable cause) { + super(message, cause); + } + + public UnknownContextTypeException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemBindingBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemBindingBuilder.java new file mode 100644 index 0000000000..059ae0e768 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemBindingBuilder.java @@ -0,0 +1,85 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.builder.BindingBuilder; +import org.apache.tuscany.spi.builder.BuilderConfigException; +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.BoundReferenceDefinition; +import org.apache.tuscany.spi.model.BoundServiceDefinition; +import org.apache.tuscany.spi.wire.InboundWire; + +import org.apache.tuscany.core.implementation.system.component.SystemReference; +import org.apache.tuscany.core.implementation.system.component.SystemReferenceImpl; +import org.apache.tuscany.core.implementation.system.component.SystemService; +import org.apache.tuscany.core.implementation.system.component.SystemServiceImpl; +import org.apache.tuscany.core.implementation.system.model.SystemBinding; +import org.apache.tuscany.core.implementation.system.wire.SystemInboundWire; +import org.apache.tuscany.core.implementation.system.wire.SystemInboundWireImpl; +import org.apache.tuscany.core.implementation.system.wire.SystemOutboundAutowire; +import org.apache.tuscany.core.implementation.system.wire.SystemOutboundWire; +import org.apache.tuscany.core.implementation.system.wire.SystemOutboundWireImpl; + +/** + * Creates {@link SystemService}s and {@link org.apache.tuscany.core.implementation.system.component.SystemReference}s + * by evaluating an assembly definition + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemBindingBuilder implements BindingBuilder<SystemBinding> { + + public SystemService build(CompositeComponent parent, + BoundServiceDefinition<SystemBinding> boundServiceDefinition, + DeploymentContext deploymentContext) { + Class<?> interfaze = boundServiceDefinition.getServiceContract().getInterfaceClass(); + QualifiedName targetName = new QualifiedName(boundServiceDefinition.getTarget().getPath()); + Component target = (Component) parent.getSystemChild(targetName.getPartName()); + if (target == null) { + throw new BuilderConfigException("Target not found: [" + targetName + ']'); + } + String name = boundServiceDefinition.getName(); + InboundWire inboundWire = + new SystemInboundWireImpl(name, interfaze, target); + SystemOutboundWire outboundWire = + new SystemOutboundWireImpl(name, targetName, interfaze); + SystemService service = new SystemServiceImpl(boundServiceDefinition.getName(), parent); + service.setInboundWire(inboundWire); + service.setOutboundWire(outboundWire); + return service; + } + + public SystemReference build(CompositeComponent parent, + BoundReferenceDefinition<SystemBinding> boundReferenceDefinition, + DeploymentContext deploymentContext) { + CompositeComponent autowireComponent = parent.getParent(); + Class<?> interfaze = boundReferenceDefinition.getServiceContract().getInterfaceClass(); + String name = boundReferenceDefinition.getName(); + SystemReferenceImpl reference = new SystemReferenceImpl(name, interfaze, parent); + SystemInboundWire inboundWire = new SystemInboundWireImpl(name, interfaze); + String refName = boundReferenceDefinition.getName(); + boolean required = boundReferenceDefinition.isRequired(); + SystemOutboundWire outboundWire = new SystemOutboundAutowire(refName, interfaze, autowireComponent, required); + reference.setInboundWire(inboundWire); + reference.setOutboundWire(outboundWire); + return reference; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemComponentBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemComponentBuilder.java new file mode 100644 index 0000000000..ceff57f9f9 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemComponentBuilder.java @@ -0,0 +1,174 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.QualifiedName; +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.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.model.ComponentDefinition; +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.spi.wire.OutboundWire; + +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.implementation.system.wire.SystemInboundWire; +import org.apache.tuscany.core.implementation.system.wire.SystemInboundWireImpl; +import org.apache.tuscany.core.implementation.system.wire.SystemOutboundAutowire; +import org.apache.tuscany.core.implementation.system.wire.SystemOutboundWireImpl; +import org.apache.tuscany.core.injection.MethodEventInvoker; +import org.apache.tuscany.core.injection.PojoObjectFactory; + +/** + * Produces system atomic components from a component definition + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemComponentBuilder extends ComponentBuilderExtension<SystemImplementation> { + + protected Class<SystemImplementation> getImplementationType() { + return SystemImplementation.class; + } + + @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); + configuration.setScopeContainer(deploymentContext.getModuleScope()); + 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)); + } + for (ServiceDefinition serviceDefinition : componentType.getServices().values()) { + configuration.addServiceInterface(serviceDefinition.getServiceContract().getInterfaceClass()); + } + // 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); + } + } + // setup constructor injection + ConstructorDefinition<?> ctorDef = componentType.getConstructorDefinition(); + Constructor<?> constr = ctorDef.getConstructor(); + PojoObjectFactory<?> instanceFactory = new PojoObjectFactory(constr); + configuration.setInstanceFactory(instanceFactory); + configuration.getConstructorParamNames().addAll(ctorDef.getInjectionNames()); + SystemAtomicComponentImpl component = new SystemAtomicComponentImpl(definition.getName(), configuration); + // handle properties + Map<String, PropertyValue<?>> propertyValues = definition.getPropertyValues(); + processProperties(propertyValues, componentType.getProperties().values(), component); + // handle inbound wires + for (ServiceDefinition serviceDefinition : componentType.getServices().values()) { + Class<?> interfaze = serviceDefinition.getServiceContract().getInterfaceClass(); + String name = serviceDefinition.getName(); + SystemInboundWire wire = new SystemInboundWireImpl(name, interfaze, component); + component.addInboundWire(wire); + } + // handle references + processReferences(definition, componentType.getReferences(), parent, component); + // FIXME we need a way to build configuration references from autowires in the loader to eliminate this eval + for (ReferenceDefinition reference : componentType.getReferences().values()) { + if (reference.isAutowire()) { + Class interfaze = reference.getServiceContract().getInterfaceClass(); + OutboundWire wire = + new SystemOutboundAutowire(reference.getName(), interfaze, parent, reference.isRequired()); + component.addOutboundWire(wire); + } + } + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemCompositeBuilder.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemCompositeBuilder.java new file mode 100644 index 0000000000..77fc5bf17c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/builder/SystemCompositeBuilder.java @@ -0,0 +1,108 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.util.ArrayList; +import java.util.List; + +import org.apache.tuscany.spi.builder.BuilderConfigException; +import org.apache.tuscany.spi.builder.BuilderRegistry; +import org.apache.tuscany.spi.builder.Connector; +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.extension.ComponentBuilderExtension; +import org.apache.tuscany.spi.model.Binding; +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.ServiceDefinition; + +import org.apache.tuscany.core.implementation.composite.CompositeComponentImpl; +import org.apache.tuscany.core.implementation.system.model.SystemCompositeImplementation; + +/** + * Produces system composite components by evaluating an assembly. + * + * @version $Rev$ $Date$ + */ +public class SystemCompositeBuilder extends ComponentBuilderExtension<SystemCompositeImplementation> { + public SystemCompositeBuilder() { + } + + public SystemCompositeBuilder(BuilderRegistry builderRegistry, Connector connector) { + this.builderRegistry = builderRegistry; + this.connector = connector; + } + + protected Class<SystemCompositeImplementation> getImplementationType() { + return SystemCompositeImplementation.class; + } + + public Component build(CompositeComponent parent, + ComponentDefinition<SystemCompositeImplementation> componentDefinition, + DeploymentContext deploymentContext) throws BuilderConfigException { + SystemCompositeImplementation impl = componentDefinition.getImplementation(); + CompositeComponentType<?, ?, ?> componentType = impl.getComponentType(); + + // create lists of all components and services in this composite + List<ComponentDefinition<? extends Implementation<?>>> allComponents = + new ArrayList<ComponentDefinition<? extends Implementation<?>>>(); + allComponents.addAll(componentType.getComponents().values()); + + List<BoundServiceDefinition<? extends Binding>> allBoundServices = + new ArrayList<BoundServiceDefinition<? extends Binding>>(); + for (ServiceDefinition serviceDefinition : componentType.getServices().values()) { + if (serviceDefinition instanceof BoundServiceDefinition) { + BoundServiceDefinition<? extends Binding> boundService = + (BoundServiceDefinition<? extends Binding>) serviceDefinition; + allBoundServices.add(boundService); + } + } + + /* + // add in components and services from included composites + for (Include include : componentType.getIncludes().values()) { + CompositeComponentType<?, ?, ?> included = include.getIncluded(); + allComponents.addAll(included.getComponents().values()); + for (ServiceDefinition serviceDefinition : included.getServices().values()) { + if (serviceDefinition instanceof BoundServiceDefinition) { + BoundServiceDefinition<? extends Binding> boundService = + (BoundServiceDefinition<? extends Binding>) serviceDefinition; + allBoundServices.add(boundService); + } + } + } + */ + + // create the composite component + String name = componentDefinition.getName(); + CompositeComponent component = new CompositeComponentImpl(name, parent, connector, null); + for (ComponentDefinition<? extends Implementation> childComponentDefinition : allComponents) { + component.register(builderRegistry.build(component, childComponentDefinition, deploymentContext)); + } + + for (BoundServiceDefinition<? extends Binding> serviceDefinition : allBoundServices) { + component.register(builderRegistry.build(component, serviceDefinition, deploymentContext)); + } + return component; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemAtomicComponentImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemAtomicComponentImpl.java new file mode 100644 index 0000000000..cc9926280c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemAtomicComponentImpl.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.implementation.system.component; + +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.SystemAtomicComponent; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.model.Scope; +import org.apache.tuscany.spi.wire.RuntimeWire; +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.implementation.system.wire.SystemOutboundWire; + +/** + * Default implementation of a system atomic context + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemAtomicComponentImpl extends PojoAtomicComponent implements SystemAtomicComponent { + + public SystemAtomicComponentImpl(String name, PojoConfiguration configuration) { + super(name, configuration); + scope = Scope.MODULE; + } + + public Object getServiceInstance(String name) throws TargetException { + return getTargetInstance(); + } + + public Object getServiceInstance() throws TargetException { + return getTargetInstance(); + } + + public TargetInvoker createTargetInvoker(String targetName, Operation operation) { + return null; + } + + public boolean isSystem() { + return true; + } + + protected ObjectFactory<?> createWireFactory(RuntimeWire wire) { + assert wire instanceof SystemOutboundWire : "Wire must be an instance of " + SystemOutboundWire.class.getName(); + SystemOutboundWire systemWire = (SystemOutboundWire) wire; + return new SystemWireObjectFactory(systemWire); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemReference.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemReference.java new file mode 100644 index 0000000000..5c15edb957 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemReference.java @@ -0,0 +1,30 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.component.Reference; + +/** + * A marker for SCA references configured with the + * {@link org.apache.tuscany.core.implementation.system.model.SystemBinding} + * + * @version $$Rev$$ $$Date$$ + */ +public interface SystemReference extends Reference { +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemReferenceImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemReferenceImpl.java new file mode 100644 index 0000000000..a9a23b028c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemReferenceImpl.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.system.component; + +import org.apache.tuscany.spi.component.AbstractSCAObject; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.TargetException; +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.wire.InboundWire; +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.system.wire.SystemInboundWire; +import org.apache.tuscany.core.implementation.system.wire.SystemOutboundWire; + +/** + * Default implementation of a reference configured with the + * {@link org.apache.tuscany.core.implementation.system.model.SystemBinding} + * + * @version $Rev$ $Date$ + */ +public class SystemReferenceImpl extends AbstractSCAObject implements SystemReference { + + protected SystemInboundWire inboundWire; + protected SystemOutboundWire outboundWire; + protected Class<?> referenceInterface; + + + public SystemReferenceImpl(String name, Class<?> referenceInterface, CompositeComponent parent) { + super(name, parent); + assert referenceInterface != null : "Reference interface was null"; + this.referenceInterface = referenceInterface; + } + + public Scope getScope() { + return Scope.COMPOSITE; + } + + public void setInboundWire(InboundWire wire) { + assert wire instanceof SystemInboundWire : "Wire must be a " + SystemInboundWire.class.getName(); + this.inboundWire = (SystemInboundWire) wire; + } + + public InboundWire getInboundWire() { + return inboundWire; + } + + public OutboundWire getOutboundWire() { + return outboundWire; + } + + public void setOutboundWire(OutboundWire wire) { + assert wire instanceof SystemOutboundWire : "Wire must be a " + SystemOutboundWire.class.getName(); + this.outboundWire = (SystemOutboundWire) wire; + } + + public Class<?> getInterface() { + return referenceInterface; + } + + public void setInterface(Class<?> referenceInterface) { + this.referenceInterface = referenceInterface; + } + + public Object getServiceInstance() throws TargetException { + return referenceInterface.cast(inboundWire.getTargetService()); + } + + public WireInvocationHandler getHandler() throws TargetException { + throw new UnsupportedOperationException(); + } + + public TargetInvoker createTargetInvoker(ServiceContract contract, Operation operation) { + throw new UnsupportedOperationException(); + } + + public TargetInvoker createCallbackTargetInvoker(ServiceContract contract, Operation operation) { + throw new UnsupportedOperationException(); + } + + public TargetInvoker createAsyncTargetInvoker(OutboundWire wire, Operation operation) { + throw new UnsupportedOperationException(); + } + + public ServiceContract<?> getBindingServiceContract() { + throw new UnsupportedOperationException(); + } + + public void setBindingServiceContract(ServiceContract<?> serviceContract) { + throw new UnsupportedOperationException(); + } + + public boolean isSystem() { + return true; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemService.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemService.java new file mode 100644 index 0000000000..95999c5045 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemService.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.implementation.system.component; + +import org.apache.tuscany.spi.component.Service; + +/** + * Marker for services configured with the {@link org.apache.tuscany.core.implementation.system.model.SystemBinding} + * + * @version $$Rev$$ $$Date$$ + */ +public interface SystemService extends Service { + + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemServiceImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemServiceImpl.java new file mode 100644 index 0000000000..1a8cd490ae --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemServiceImpl.java @@ -0,0 +1,102 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.CoreRuntimeException; +import org.apache.tuscany.spi.component.AbstractSCAObject; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.TargetException; +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.wire.InboundWire; +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.system.wire.SystemInboundWire; +import org.apache.tuscany.core.implementation.system.wire.SystemOutboundWire; + +/** + * Default implementation for services configured with the + * {@link org.apache.tuscany.core.implementation.system.model.SystemBinding} + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemServiceImpl extends AbstractSCAObject implements SystemService { + + protected SystemInboundWire inboundWire; + protected SystemOutboundWire outboundWire; + + public SystemServiceImpl(String name, CompositeComponent parent) throws CoreRuntimeException { + super(name, parent); + } + + public Scope getScope() { + return Scope.COMPOSITE; + } + + public InboundWire getInboundWire() { + return inboundWire; + } + + public void setInboundWire(InboundWire wire) { + assert wire instanceof SystemInboundWire : "wire must be a " + SystemInboundWire.class.getName(); + this.inboundWire = (SystemInboundWire) wire; + } + + public OutboundWire getOutboundWire() { + return outboundWire; + } + + public void setOutboundWire(OutboundWire wire) { + assert wire instanceof SystemOutboundWire : "wire must be a " + SystemOutboundWire.class.getName(); + this.outboundWire = (SystemOutboundWire) wire; + } + + public Class<?> getInterface() { + return inboundWire.getServiceContract().getInterfaceClass(); + } + + public WireInvocationHandler getHandler() { + // system services do not proxy + throw new UnsupportedOperationException(); + } + + public Object getServiceInstance() throws TargetException { + return inboundWire.getTargetService(); + } + + + public TargetInvoker createCallbackTargetInvoker(ServiceContract contract, Operation operation) { + throw new UnsupportedOperationException(); + } + + public ServiceContract<?> getBindingServiceContract() { + throw new UnsupportedOperationException(); + } + + public void setBindingServiceContract(ServiceContract<?> serviceContract) { + throw new UnsupportedOperationException(); + } + + public boolean isSystem() { + return true; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemSingletonAtomicComponent.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemSingletonAtomicComponent.java new file mode 100644 index 0000000000..a40cc9785c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemSingletonAtomicComponent.java @@ -0,0 +1,131 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.component.AbstractSCAObject; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.SystemAtomicComponent; +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; + +/** + * 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 AbstractSCAObject + implements SystemAtomicComponent { + + private T instance; + private List<Class<?>> serviceInterfaces; + + public SystemSingletonAtomicComponent(String name, CompositeComponent parent, Class<S> interfaze, T instance) { + super(name, parent); + this.instance = instance; + serviceInterfaces = new ArrayList<Class<?>>(1); + serviceInterfaces.add(interfaze); + } + + public List<Class<?>> getServiceInterfaces() { + return serviceInterfaces; + } + + public Scope getScope() { + return Scope.MODULE; + } + + public boolean isEagerInit() { + return false; + } + + public int getInitLevel() { + return 0; + } + + public T getTargetInstance() throws TargetException { + return instance; + } + + public Object getServiceInstance(String name) throws TargetException { + return getTargetInstance(); + } + + public Object getServiceInstance() throws TargetException { + return getTargetInstance(); + } + + public void init(Object instance) throws TargetException { + + } + + public void destroy(Object instance) throws TargetException { + + } + + public Object createInstance() throws ObjectCreationException { + throw new UnsupportedOperationException(); + } + + public void addInboundWire(InboundWire wire) { + throw new UnsupportedOperationException(); + } + + public Map<String, InboundWire> getInboundWires() { + return Collections.emptyMap(); + } + + public InboundWire getInboundWire(String serviceName) { + return null; + } + + public void addOutboundWire(OutboundWire wire) { + throw new UnsupportedOperationException(); + } + + public void addOutboundWires(Class<?> multiplicityClass, List<OutboundWire> wires) { + throw new UnsupportedOperationException(); + } + + public Map<String, List<OutboundWire>> getOutboundWires() { + return Collections.emptyMap(); + } + + + public TargetInvoker createTargetInvoker(String targetName, Operation operation) { + return null; + } + + public TargetInvoker createAsyncTargetInvoker(InboundWire wire, Operation operation) { + return null; + } + + public boolean isSystem() { + return true; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemWireObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemWireObjectFactory.java new file mode 100644 index 0000000000..2399bee076 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/component/SystemWireObjectFactory.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; + +import org.apache.tuscany.core.implementation.system.wire.SystemOutboundWire; + +/** + * Uses a system wire to return an object instance + * + * @version $Rev$ $Date$ + */ +public class SystemWireObjectFactory implements ObjectFactory { + + private SystemOutboundWire wire; + + public SystemWireObjectFactory(SystemOutboundWire factory) { + this.wire = factory; + } + + public Object getInstance() throws ObjectCreationException { + return wire.getTargetService(); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemBindingLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemBindingLoader.java new file mode 100644 index 0000000000..4db167a852 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemBindingLoader.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.system.loader; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.core.implementation.system.model.SystemBinding; +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.annotation.Autowire; + +/** + * Loads a system binding specified in an XML-based assembly + * + * @version $Rev$ $Date$ + */ +public class SystemBindingLoader extends LoaderExtension<SystemBinding> { + public static final QName SYSTEM_BINDING = + new QName("http://incubator.apache.org/tuscany/xmlns/system/1.0-incubator-M2", "binding.system"); + + @Constructor({"registry"}) + public SystemBindingLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return SYSTEM_BINDING; + } + + public SystemBinding load(CompositeComponent parent, XMLStreamReader reader, DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + LoaderUtil.skipToEndElement(reader); + return new SystemBinding(); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemComponentTypeLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemComponentTypeLoader.java new file mode 100644 index 0000000000..90165c21c0 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemComponentTypeLoader.java @@ -0,0 +1,97 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.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); + } + 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, url, PojoComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemCompositeComponentTypeLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemCompositeComponentTypeLoader.java new file mode 100644 index 0000000000..74ce87673e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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, url, CompositeComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemImplementationLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemImplementationLoader.java new file mode 100644 index 0000000000..7db92e07ef --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/loader/SystemImplementationLoader.java @@ -0,0 +1,69 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.osoa.sca.annotations.Constructor; + +import org.apache.tuscany.core.implementation.system.model.SystemImplementation; +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.annotation.Autowire; + +/** + * Loads information for a system implementation + * + * @version $Rev$ $Date$ + */ +public class SystemImplementationLoader extends LoaderExtension<SystemImplementation> { + public static final QName SYSTEM_IMPLEMENTATION = + new QName("http://incubator.apache.org/tuscany/xmlns/system/1.0-incubator-M2", "implementation.system"); + + @Constructor({"registry"}) + public SystemImplementationLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public SystemImplementation load(CompositeComponent parent, + 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); + LoaderUtil.skipToEndElement(reader); + return implementation; + } + + public QName getXMLType() { + return SYSTEM_IMPLEMENTATION; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemBinding.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemBinding.java new file mode 100644 index 0000000000..36a439c61b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemBinding.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.implementation.system.model; + +import org.apache.tuscany.spi.model.Binding; + +/** + * A by-reference binding used by runtime system services + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemBinding extends Binding { +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemCompositeImplementation.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/model/SystemImplementation.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemInboundWire.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemInboundWire.java new file mode 100644 index 0000000000..188a813800 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemInboundWire.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.system.wire; + +import org.apache.tuscany.spi.wire.InboundWire; + +/** + * Specified by a {@link org.apache.tuscany.core.implementation.system.model.SystemBinding}, a specialized inbound wire + * that returns a direct reference to the target. + * + * @version $$Rev$$ $$Date$$ + */ +public interface SystemInboundWire extends InboundWire { + + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemInboundWireImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemInboundWireImpl.java new file mode 100644 index 0000000000..7938f3ad48 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemInboundWireImpl.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.implementation.system.wire; + +import java.util.Collections; +import java.util.Map; + +import org.apache.tuscany.spi.component.Component; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.idl.java.JavaServiceContract; +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.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Default implementation of an inbound system wire + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemInboundWireImpl implements SystemInboundWire { + private String serviceName; + private ServiceContract serviceContract; + private Component component; + private SystemOutboundWire wire; + private SCAObject container; + private Class<?> interfaze; + + /** + * Constructs a new inbound wire + * + * @param serviceName the name of the service the inbound wire represents + * @param interfaze the service interface + * @param target the target context the wire is connected to + */ + public SystemInboundWireImpl(String serviceName, Class<?> interfaze, Component target) { + this.serviceName = serviceName; + this.component = target; + serviceContract = new JavaServiceContract(interfaze); + this.interfaze = interfaze; + } + + public SystemInboundWireImpl(String serviceName, Class<?> interfaze) { + this(serviceName, interfaze, null); + } + + public ServiceContract getServiceContract() { + return serviceContract; + } + + public void setServiceContract(ServiceContract serviceContract) { + this.serviceContract = serviceContract; + } + + public String getServiceName() { + return serviceName; + } + + public void setServiceName(String serviceName) { + throw new UnsupportedOperationException(); + } + + public Object getTargetService() throws TargetException { + if (wire != null) { + return interfaze.cast(wire.getTargetService()); + } + return interfaze.cast(component.getServiceInstance(serviceName)); + } + + public Class[] getImplementedInterfaces() { + return new Class[0]; + } + + public Map<Operation<?>, InboundInvocationChain> getInvocationChains() { + return Collections.emptyMap(); + } + + public void addInvocationChain(Operation<?> operation, InboundInvocationChain chain) { + throw new UnsupportedOperationException(); + } + + public void addInvocationChains(Map chains) { + throw new UnsupportedOperationException(); + } + + public Map<Operation<?>, OutboundInvocationChain> getSourceCallbackInvocationChains(Object targetAddr) { + throw new UnsupportedOperationException(); + } + + public void addSourceCallbackInvocationChains(Object targetAddr, + Map<Operation<?>, + OutboundInvocationChain> chains) { + throw new UnsupportedOperationException(); + } + + public void addSourceCallbackInvocationChain(Object targetAddr, Operation operation, + OutboundInvocationChain chain) { + throw new UnsupportedOperationException(); + } + + public void addInterface(Class claz) { + throw new UnsupportedOperationException(); + } + + public String getCallbackReferenceName() { + return null; + } + + public void setCallbackReferenceName(String callbackReferenceName) { + throw new UnsupportedOperationException(); + } + + public boolean isOptimizable() { + return true; // system wires are always optimizable + } + + public void setTargetWire(OutboundWire wire) { + assert wire instanceof SystemOutboundWire : "wire must be a " + SystemOutboundWireImpl.class.getName(); + this.wire = (SystemOutboundWire) wire; + } + + public SCAObject getContainer() { + return container; + } + + public void setContainer(SCAObject container) { + this.container = container; + } + + public void addMapping(Object messageId, Object fromAddress) { + throw new UnsupportedOperationException(); + } + + public Object retrieveMapping(Object messageId) { + return null; + } + + public void removeMapping(Object messageId) { + throw new UnsupportedOperationException(); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemOutboundAutowire.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemOutboundAutowire.java new file mode 100644 index 0000000000..ff4cad9795 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemOutboundAutowire.java @@ -0,0 +1,152 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.wire; + +import java.util.Collections; +import java.util.Map; + +import org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.TargetNotFoundException; +import org.apache.tuscany.spi.idl.java.JavaServiceContract; +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.core.wire.OutboundAutowire; + +/** + * A specialization of <code>OutboundAutowire</code> that returns a direct reference to the target + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemOutboundAutowire implements OutboundAutowire, SystemOutboundWire { + private String referenceName; + private ServiceContract serviceContract; + private CompositeComponent component; + private final boolean required; + private SCAObject container; + + public SystemOutboundAutowire(String referenceName, Class<?> interfaze, CompositeComponent component, + boolean required) { + + this.referenceName = referenceName; + this.component = component; + serviceContract = new JavaServiceContract(interfaze); + this.required = required; + } + + public ServiceContract getServiceContract() { + return serviceContract; + } + + public void setServiceContract(ServiceContract serviceContract) { + this.serviceContract = serviceContract; + } + + public String getReferenceName() { + return referenceName; + } + + public void setReferenceName(String referenceName) { + this.referenceName = referenceName; + } + + public QualifiedName getTargetName() { + return null; + } + + public void setTargetName(QualifiedName targetName) { + } + + public Object getTargetService() throws TargetException { + Class<?> interfaze = serviceContract.getInterfaceClass(); + Object service = component.resolveSystemInstance(interfaze); + if (service == null && required) { + TargetNotFoundException e = new TargetNotFoundException("Autowire target not found"); + e.setIdentifier(interfaze.getName()); + throw e; + } + return service; + } + + public void setCallbackInterface(Class<?> interfaze) { + throw new UnsupportedOperationException(); + } + + public Class<?> getCallbackInterface() { + throw new UnsupportedOperationException(); + } + + public void addCallbackInterface(Class<?> claz) { + throw new UnsupportedOperationException(); + } + + public Class[] getImplementedCallbackInterfaces() { + throw new UnsupportedOperationException(); + } + + public void setTargetWire(InboundWire wire) { + throw new UnsupportedOperationException(); + } + + public Map<Operation<?>, OutboundInvocationChain> getInvocationChains() { + return Collections.emptyMap(); + } + + public void addInvocationChain(Operation operation, OutboundInvocationChain chains) { + throw new UnsupportedOperationException(); + } + + public void addInvocationChains(Map<Operation<?>, OutboundInvocationChain> chains) { + throw new UnsupportedOperationException(); + } + + public Map<Operation<?>, InboundInvocationChain> getTargetCallbackInvocationChains() { + throw new UnsupportedOperationException(); + } + + public void addTargetCallbackInvocationChains(Map<Operation<?>, InboundInvocationChain> chains) { + throw new UnsupportedOperationException(); + } + + public void addTargetCallbackInvocationChain(Operation operation, InboundInvocationChain chain) { + throw new UnsupportedOperationException(); + } + + public void addInterface(Class claz) { + throw new UnsupportedOperationException(); + } + + public boolean isOptimizable() { + return true; + } + + public SCAObject getContainer() { + return container; + } + + public void setContainer(SCAObject container) { + this.container = container; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemOutboundWire.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemOutboundWire.java new file mode 100644 index 0000000000..bf9ccdd5a1 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemOutboundWire.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.implementation.system.wire; + +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Specified by a {@link org.apache.tuscany.core.implementation.system.model.SystemBinding}, a specialized outbound wire + * that returns a direct reference to the target. + * + * @version $$Rev$$ $$Date$$ + */ +public interface SystemOutboundWire extends OutboundWire { + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemOutboundWireImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemOutboundWireImpl.java new file mode 100644 index 0000000000..ae20b89b55 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/implementation/system/wire/SystemOutboundWireImpl.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.implementation.system.wire; + +import java.util.Collections; +import java.util.Map; + +import org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.idl.java.JavaServiceContract; +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; + +/** + * Default implementation of a system outbound wire + * + * @version $$Rev$$ $$Date$$ + */ +public class SystemOutboundWireImpl implements SystemOutboundWire { + private String referenceName; + private QualifiedName targetName; + private ServiceContract serviceContract; + private SystemInboundWire targetWire; + private SCAObject container; + private Class<?> interfaze; + + public SystemOutboundWireImpl(String referenceName, QualifiedName targetName, Class<?> interfaze) { + this.referenceName = referenceName; + this.targetName = targetName; + serviceContract = new JavaServiceContract(interfaze); + this.interfaze = interfaze; + } + + public ServiceContract getServiceContract() { + return serviceContract; + } + + public void setServiceContract(ServiceContract serviceContract) { + this.serviceContract = serviceContract; + } + + 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 Object getTargetService() throws TargetException { + if (targetWire == null) { + throw new TargetException("No target wire connected to source wire"); + } + return interfaze.cast(targetWire.getTargetService()); + } + + public void setCallbackInterface(Class<?> interfaze) { + throw new UnsupportedOperationException(); + } + + public Class<?> getCallbackInterface() { + throw new UnsupportedOperationException(); + } + + public void addCallbackInterface(Class<?> claz) { + throw new UnsupportedOperationException(); + } + + public Class[] getImplementedCallbackInterfaces() { + throw new UnsupportedOperationException(); + } + + public Map<Operation<?>, OutboundInvocationChain> getInvocationChains() { + return Collections.emptyMap(); + } + + public void addInvocationChain(Operation operation, OutboundInvocationChain chains) { + throw new UnsupportedOperationException(); + } + + public void addInvocationChains(Map chains) { + throw new UnsupportedOperationException(); + } + + public Map<Operation<?>, InboundInvocationChain> getTargetCallbackInvocationChains() { + throw new UnsupportedOperationException(); + } + + public void addTargetCallbackInvocationChains(Map<Operation<?>, InboundInvocationChain> chains) { + throw new UnsupportedOperationException(); + } + + public void addTargetCallbackInvocationChain(Operation operation, InboundInvocationChain chain) { + throw new UnsupportedOperationException(); + } + + public void addInterface(Class claz) { + throw new UnsupportedOperationException(); + } + + public void setTargetWire(InboundWire wire) { + assert wire instanceof SystemInboundWire : "wire must be a " + SystemInboundWire.class.getName(); + this.targetWire = (SystemInboundWire) wire; + } + + public boolean isOptimizable() { + return true; + } + + public SCAObject getContainer() { + return container; + } + + public void setContainer(SCAObject container) { + this.container = container; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/ArrayMultiplicityObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/CallbackWireObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/CallbackWireObjectFactory.java new file mode 100644 index 0000000000..87f3a46218 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/CallbackWireObjectFactory.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; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.model.ServiceContract; +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 ServiceContract<?> contract; + private InboundWire wire; + + public CallbackWireObjectFactory(ServiceContract<?> contract, WireService wireService, InboundWire wire) { + this.contract = contract; + this.wireService = wireService; + this.wire = wire; + } + + public Object getInstance() throws ObjectCreationException { + return wireService.createCallbackProxy(contract, wire); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/ContextInjector.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/EventInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/FieldInjector.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/InjectionRuntimeException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/InjectionRuntimeException.java new file mode 100644 index 0000000000..2b2dbc9056 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/InjectionRuntimeException.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.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); + } + + public InjectionRuntimeException(String message, Throwable cause) { + super(message, cause); + } + + public InjectionRuntimeException(Throwable cause) { + super(cause); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/Injector.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/InvalidAccessorException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/InvalidAccessorException.java new file mode 100644 index 0000000000..d263830d69 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/InvalidAccessorException.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 InvalidAccessorException extends InjectionRuntimeException { + public InvalidAccessorException() { + } + + public InvalidAccessorException(String message) { + super(message); + } + + public InvalidAccessorException(String message, Throwable cause) { + super(message, cause); + } + + public InvalidAccessorException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/JNDIObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/ListMultiplicityObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodEventInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodEventInvoker.java new file mode 100644 index 0000000000..e748c228d0 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodEventInvoker.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.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 (IllegalAccessException e) { + throw new AssertionError("Method is not accessible [" + method + "]"); + } catch (InvocationTargetException e) { + throw new ObjectCallbackException("Exception thrown by callback method [" + method + "]", e.getCause()); + } + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodInjector.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodInjector.java new file mode 100644 index 0000000000..d645d7efac --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/MethodInjector.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.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) { + ObjectCreationException oce = new ObjectCreationException("Exception thrown by setter", e); + oce.setIdentifier(method.getName()); + throw oce; + } catch (InvocationTargetException e) { + ObjectCreationException oce = new ObjectCreationException("Exception thrown by setter", e); + oce.setIdentifier(method.getName()); + throw oce; + } + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/NoAccessorException.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/ObjectCallbackException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/ObjectCallbackException.java new file mode 100644 index 0000000000..46f7c8253b --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/ObjectCallbackException.java @@ -0,0 +1,44 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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, Throwable cause) { + super(message, cause); + } + + public ObjectCallbackException(Throwable cause) { + super(cause); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/PojoObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/PojoObjectFactory.java new file mode 100644 index 0000000000..21f9196b06 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/PojoObjectFactory.java @@ -0,0 +1,109 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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]; + initargs[i] = objectFactory.getInstance(); + } + try { + ctr.setAccessible(true); + return ctr.newInstance(initargs); + } catch (InstantiationException e) { + throw new AssertionError("Class is not instantiable [" + ctr.getDeclaringClass().getName() + "]"); + } catch (IllegalAccessException e) { + throw new AssertionError("Constructor is not accessible [" + ctr + "]"); + } catch (InvocationTargetException e) { + throw new ObjectCreationException("Exception thrown by constructor [" + ctr + "]", e); + } + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/SingletonObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/WireObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/WireObjectFactory.java new file mode 100644 index 0000000000..2355272496 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/injection/WireObjectFactory.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.injection; + +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.wire.RuntimeWire; +import org.apache.tuscany.spi.wire.WireService; + +/** + * Uses a wire to return an object instance + * + * @version $Rev$ $Date$ + */ +public class WireObjectFactory implements ObjectFactory { + + private RuntimeWire wire; + private WireService wireService; + + public WireObjectFactory(RuntimeWire wire, WireService wireService) { + this.wire = wire; + this.wireService = wireService; + } + + public Object getInstance() throws ObjectCreationException { + return wireService.createProxy(wire); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/CompositeContextImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/CompositeContextImpl.java new file mode 100644 index 0000000000..46004d90d2 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/CompositeContextImpl.java @@ -0,0 +1,76 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.CompositeContext; +import org.osoa.sca.RequestContext; +import org.osoa.sca.SCA; +import org.osoa.sca.ServiceReference; + +import org.apache.tuscany.spi.component.CompositeComponent; + + +public class CompositeContextImpl extends SCA implements CompositeContext { + protected final CompositeComponent composite; + + public CompositeContextImpl(final CompositeComponent composite) { + this.composite = composite; + } + + public void start() { + setCompositeContext(this); + } + + public void stop() { + setCompositeContext(null); + } + + public ServiceReference createServiceReferenceForSession(Object arg0) { + return null; + } + + public ServiceReference createServiceReferenceForSession(Object arg0, String arg1) { + return null; + } + + public String getCompositeName() { + return null; + } + + public String getCompositeURI() { + return null; + } + + public RequestContext getRequestContext() { + return null; + } + + public <T> T locateService(Class<T> serviceInterface, String serviceName) { + return composite.locateService(serviceInterface, serviceName); + } + + public ServiceReference newSession(String arg0) { + return null; + } + + public ServiceReference newSession(String arg0, Object arg1) { + return null; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/InvalidMainException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/InvalidMainException.java new file mode 100644 index 0000000000..ff8978445f --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/InvalidMainException.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.launcher; + +/** + * Exception indicating that application's main method is missing or invalid + * (for example it may not be static). + * + * @version $Rev$ $Date$ + */ +public class InvalidMainException extends LaunchException { + public InvalidMainException(String message) { + super(message); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LaunchException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LaunchException.java new file mode 100644 index 0000000000..dbd8dcad74 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LaunchException.java @@ -0,0 +1,43 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 { + public LaunchException() { + } + + public LaunchException(String message) { + super(message); + } + + public LaunchException(String message, Throwable cause) { + super(message, cause); + } + + public LaunchException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherImpl.java new file mode 100644 index 0000000000..1655ebbea6 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherImpl.java @@ -0,0 +1,230 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 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.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.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; + +/** + * 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); + Bootstrapper bootstrapper = new DefaultBootstrapper(monitor, xmlFactory); + Deployer bootDeployer = bootstrapper.createDeployer(); + + // create and start the core runtime + runtime = bootstrapper.createRuntime(); + runtime.start(); // REVIEW: is this redundant w/ the composite.start() call below? + + // initialize the runtime info + CompositeComponent parent = runtime.getSystemComponent(); + RuntimeInfo runtimeInfo = new LauncherRuntimeInfo(getInstallDirectory(), getApplicationRootDirectory(), true); + parent.registerJavaObject("RuntimeInfo", RuntimeInfo.class, runtimeInfo); + + // registory the monitor factory + parent.registerJavaObject("MonitorFactory", MonitorFactory.class, monitor); + + // create a ComponentDefinition to represent the component we are going to deploy + SystemCompositeImplementation moduleImplementation = new SystemCompositeImplementation(); + moduleImplementation.setScdlLocation(systemScdl); + moduleImplementation.setClassLoader(systemClassLoader); + ComponentDefinition<SystemCompositeImplementation> definition = + new ComponentDefinition<SystemCompositeImplementation>( + ComponentNames.TUSCANY_SYSTEM, moduleImplementation); + + // deploy the component into the runtime under the system parent + composite = (CompositeComponent) bootDeployer.deploy(parent, definition); + + // start the system + composite.start(); + + deployer = (Deployer) composite.getSystemChild("deployer").getServiceInstance(); + } + + /** + * 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 + * @see METAINF_APPLICATION_SCDL_PATH + */ + @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> moduleDefinition = + 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, moduleDefinition); + } 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherRuntimeInfo.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherRuntimeInfo.java new file mode 100644 index 0000000000..6b1f7fa4fa --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/launcher/LauncherRuntimeInfo.java @@ -0,0 +1,87 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 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; + } + + /** + * 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 getInstallDirectory().toURL(); + } catch (MalformedURLException e) { + // TODO Decide on how to handle the exception + throw new RuntimeException(e); + } + } + + public boolean isOnline() { + return online; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentLoader.java new file mode 100644 index 0000000000..5f9ed6dde1 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentLoader.java @@ -0,0 +1,251 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.Map; +import java.lang.reflect.Type; +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.NotOverridablePropertyException; +import org.apache.tuscany.spi.loader.PropertyObjectFactory; +import org.apache.tuscany.spi.loader.UndefinedPropertyException; +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.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.ReferenceTarget; + +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({"registry", "propertyFactory"}) + public ComponentLoader(@Autowire LoaderRegistry registry, @Autowire PropertyObjectFactory propertyFactory) { + super(registry); + this.propertyFactory = propertyFactory; + } + + @SuppressWarnings("unchecked") + private 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 { + PropertyValue propertyValue = new PropertyValue(); + propertyValue.setName(aProperty.getName()); + propertyValue.setValue(aProperty.getDefaultValue()); + // propertyValue.setValueFactory(aProperty.getDefaultValueFactory()); + propertyValue.setValueFactory(new SimplePropertyObjectFactory(aProperty, + propertyValue + .getValue())); + propertyValues.put(aProperty.getName(), propertyValue); + } + } + } + } + } + + public QName getXMLType() { + return COMPONENT; + } + + public ComponentDefinition<?> load(CompositeComponent parent, + 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) { + InvalidValueException ive = new InvalidValueException(initLevel, e); + ive.setIdentifier("initValue"); + ive.addContextName(name); + throw ive; + } + } + } + + 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); + } + reader.next(); + break; + case END_ELEMENT: + if (reader.getName().equals(COMPONENT)) { + // hack to leave alone SystemImplementation + if (!((Implementation) componentDefinition + .getImplementation() instanceof SystemImplementation)) { + populatePropertyValues(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, 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 || target == null) { + InvalidReferenceException le = new InvalidReferenceException(); + le.setIdentifier(target); + throw le; + } + + ReferenceTarget referenceTarget = new ReferenceTarget(); + referenceTarget.setReferenceName(name); + try { + referenceTarget.addTarget(new URI(target)); + } catch (URISyntaxException e) { + InvalidReferenceException le = new InvalidReferenceException(e); + le.setIdentifier(target); + throw le; + } + componentDefinition.add(referenceTarget); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java new file mode 100644 index 0000000000..b7b01d1b65 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java @@ -0,0 +1,81 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.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; +import org.apache.tuscany.spi.annotation.Autowire; + +/** + * @version $Rev$ $Date$ + */ +public class ComponentTypeElementLoader extends LoaderExtension<ComponentType> { + public static final QName COMPONENT_TYPE = new QName(XML_NAMESPACE_1_0, "componentType"); + + @Constructor({"registry"}) + public ComponentTypeElementLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return COMPONENT_TYPE; + } + + public ComponentType load(CompositeComponent parent, + XMLStreamReader reader, + DeploymentContext deploymentContext) throws XMLStreamException, LoaderException { + assert COMPONENT_TYPE.equals(reader.getName()); + ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> componentType + = new ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>>(); + + while (true) { + switch (reader.next()) { + case START_ELEMENT: + ModelObject o = registry.load(parent, 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/IncludeLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/IncludeLoader.java new file mode 100644 index 0000000000..f5c36c3f83 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/IncludeLoader.java @@ -0,0 +1,108 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.URL; +import java.net.MalformedURLException; +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.deployer.DeploymentContext; +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.loader.MissingResourceException; +import org.apache.tuscany.spi.loader.MissingIncludeException; +import org.apache.tuscany.spi.model.Include; +import org.apache.tuscany.spi.model.CompositeComponentType; +import org.apache.tuscany.spi.annotation.Autowire; +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, 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) { + MissingResourceException mre = new MissingResourceException(scdlLocation, e); + mre.setIdentifier(name); + throw mre; + } + } else if (scdlResource != null) { + url = cl.getResource(scdlResource); + if (url == null) { + MissingResourceException mre = new MissingResourceException(scdlResource); + mre.setIdentifier(name); + throw mre; + } + } else { + MissingIncludeException mie = new MissingIncludeException(); + mie.setIdentifier(name); + throw mie; + } + + DeploymentContext childContext = new ChildDeploymentContext(deploymentContext, cl, url); + CompositeComponentType composite = loadFromSidefile(parent, url, childContext); + + 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, url, CompositeComponentType.class, deploymentContext); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/JNDIPropertyFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/LoaderRegistryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/LoaderRegistryImpl.java new file mode 100644 index 0000000000..b0a666b8ae --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/LoaderRegistryImpl.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.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.XMLInputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +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.loader.ComponentTypeLoader; +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.UnrecognizedElementException; +import org.apache.tuscany.spi.model.Implementation; +import org.apache.tuscany.spi.model.ModelObject; + +/** + * The default implementation of a loader registry + * + * @version $Rev$ $Date$ + */ +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() { + } + + public LoaderRegistryImpl(Monitor monitor) { + this.monitor = monitor; + } + + @org.apache.tuscany.api.annotation.Monitor + public void setMonitor(Monitor monitor) { + this.monitor = monitor; + } + + @Init(eager = true) + public void init() { + + } + + 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, 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, reader, deploymentContext); + } + + public <MO extends ModelObject> MO load(CompositeComponent parent, + 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, reader, ctx); + if (type.isInstance(mo)) { + return type.cast(mo); + } else { + UnrecognizedElementException e = new UnrecognizedElementException(name); + e.setResourceURI(url.toString()); + 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) { + LoaderException sfe = new LoaderException(e); + sfe.setResourceURI(url.toString()); + throw sfe; + } + } + + 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 UnsupportedOperationException(); + } + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/PropertyLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/PropertyLoader.java new file mode 100644 index 0000000000..7ce3c10af5 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/PropertyLoader.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.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.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, 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ReferenceLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ReferenceLoader.java new file mode 100644 index 0000000000..a36ebe92ff --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ReferenceLoader.java @@ -0,0 +1,99 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.Binding; +import org.apache.tuscany.spi.model.BoundReferenceDefinition; +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({"registry"}) + public ReferenceLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return REFERENCE; + } + + public ReferenceDefinition load(CompositeComponent parent, + 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); + Binding binding = null; + ServiceContract serviceContract = null; + while (true) { + switch (reader.next()) { + case START_ELEMENT: + ModelObject o = registry.load(parent, reader, deploymentContext); + if (o instanceof ServiceContract) { + serviceContract = (ServiceContract) o; + } else if (o instanceof Binding) { + binding = (Binding) o; + } + reader.next(); + break; + case END_ELEMENT: + if (binding == null) { + ReferenceDefinition referenceDefinition = new ReferenceDefinition(name, serviceContract); + referenceDefinition.setMultiplicity(multiplicity); + return referenceDefinition; + } else { + BoundReferenceDefinition<Binding> referenceDefinition = new BoundReferenceDefinition<Binding>(); + referenceDefinition.setName(name); + referenceDefinition.setServiceContract(serviceContract); + referenceDefinition.setMultiplicity(multiplicity); + referenceDefinition.setBinding(binding); + return referenceDefinition; + } + } + } + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ServiceLoader.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ServiceLoader.java new file mode 100644 index 0000000000..0d5f562b69 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/ServiceLoader.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.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.InvalidReferenceException; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.Binding; +import org.apache.tuscany.spi.model.BindlessServiceDefinition; +import org.apache.tuscany.spi.model.BoundServiceDefinition; +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({"registry"}) + public ServiceLoader(@Autowire LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return SERVICE; + } + + public ServiceDefinition load(CompositeComponent parent, + XMLStreamReader reader, + DeploymentContext deploymentContext) + throws XMLStreamException, LoaderException { + assert SERVICE.equals(reader.getName()); + String name = reader.getAttributeValue(null, "name"); + String target = null; + Binding binding = null; + 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, reader, deploymentContext); + if (o instanceof ServiceContract) { + serviceContract = (ServiceContract) o; + } else if (o instanceof Binding) { + binding = (Binding) o; + } + } + break; + case END_ELEMENT: + if (SERVICE.equals(reader.getName())) { + if (binding != null) { + if (target == null) { + InvalidReferenceException e = new InvalidReferenceException("No target for service "); + e.setIdentifier(name); + throw e; + } + URI targetURI; + try { + targetURI = new URI(target); + } catch (URISyntaxException e) { + InvalidReferenceException ire = new InvalidReferenceException(target); + ire.setIdentifier(name); + throw ire; + } + + // FIXME need a way to specify "remotable" on a service + return new BoundServiceDefinition<Binding>(name, + serviceContract, + false, + binding, + targetURI); + } else if (target != null) { + URI targetURI; + try { + targetURI = new URI(target); + } catch (URISyntaxException e) { + InvalidReferenceException ire = new InvalidReferenceException(target); + ire.setIdentifier(name); + throw ire; + } + + return new BindlessServiceDefinition(name, serviceContract, false, targetURI); + } else { + // FIXME need a way to specify "remotable" on a service + return new ServiceDefinition(name, serviceContract, false); + } + } + break; + } + } + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/StAXUtil.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/loader/StringParserPropertyFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/monitor/InvalidLevelException.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/monitor/JavaLoggingMonitorFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/monitor/JavaLoggingMonitorFactory.java new file mode 100644 index 0000000000..bd5b4598e3 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/monitor/JavaLoggingMonitorFactory.java @@ -0,0 +1,218 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.ref.WeakReference; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import java.util.HashMap; +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.apache.tuscany.api.annotation.LogLevel; +import org.apache.tuscany.host.MonitorFactory; + +/** + * 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 + */ +public class JavaLoggingMonitorFactory implements MonitorFactory { + private String bundleName; + private Level defaultLevel; + private Map<String, Level> levels; + + 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 = 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); + 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; + } + } + + private static final class LoggingHandler implements InvocationHandler { + private final Logger logger; + private final Map<String, Level> methodLevels; + private final ResourceBundle bundle; + + public LoggingHandler(Logger logger, Map<String, Level> methodLevels, ResourceBundle bundle) { + this.logger = logger; + this.methodLevels = methodLevels; + this.bundle = bundle; + } + + 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) { + logRecord.setThrown((Throwable) o); + break; + } + } + } + logRecord.setResourceBundle(bundle); + logger.log(logRecord); + } + return null; + } + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/monitor/MonitorFactoryUtil.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/monitor/NullMonitorFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/monitor/NullMonitorFactory.java new file mode 100644 index 0000000000..938ca3fe98 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/monitor/NullMonitorFactory.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.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.Init; + +import org.apache.tuscany.host.MonitorFactory; + +/** + * Implementation of a {@link MonitorFactory} that produces implementations that simply return. + * + * @version $Rev$ $Date$ + */ +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; + } + }; + + @Init(eager = true) + public void init() { + } + + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/policy/PolicyBuilderRegistryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/property/PropertyHelper.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/property/PropertyObjectFactoryImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/property/PropertyObjectFactoryImpl.java new file mode 100644 index 0000000000..ae8fd52548 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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("MODULE") +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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/property/SimplePropertyObjectFactory.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java new file mode 100644 index 0000000000..f054b3bcdb --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java @@ -0,0 +1,139 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 org.apache.tuscany.spi.component.CompositeComponent; +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.core.implementation.system.model.SystemCompositeImplementation; +import org.apache.tuscany.core.monitor.NullMonitorFactory; +import org.apache.tuscany.host.MonitorFactory; +import org.apache.tuscany.host.RuntimeInfo; +import org.apache.tuscany.host.runtime.TuscanyRuntime; + +/** + * @version $Rev$ $Date$ + */ +public abstract class AbstractRuntime implements TuscanyRuntime { + private URL systemScdl; + private String applicationName; + private URL applicationScdl; + private ClassLoader hostClassLoader; + private ClassLoader applicationClassLoader; + private RuntimeInfo runtimeInfo; + private MonitorFactory monitorFactory; + + 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 MonitorFactory createDefaultMonitorFactory() { + return new NullMonitorFactory(); + } + + protected CompositeComponent deploySystemScdl(Deployer deployer, + CompositeComponent parent, + String name, + URL systemScdl, + ClassLoader systemClassLoader) + throws LoaderException { + + SystemCompositeImplementation impl = new SystemCompositeImplementation(); + impl.setScdlLocation(systemScdl); + impl.setClassLoader(systemClassLoader); + ComponentDefinition<SystemCompositeImplementation> definition = + new ComponentDefinition<SystemCompositeImplementation>(name, impl); + + return (CompositeComponent) deployer.deploy(parent, definition); + } + + protected CompositeComponent deployApplicationScdl(Deployer deployer, + CompositeComponent parent, + String name, + URL applicationScdl, + ClassLoader applicationClassLoader) + throws LoaderException { + + CompositeImplementation impl = new CompositeImplementation(); + impl.setScdlLocation(applicationScdl); + impl.setClassLoader(applicationClassLoader); + ComponentDefinition<CompositeImplementation> definition = + new ComponentDefinition<CompositeImplementation>(name, impl); + + return (CompositeComponent) deployer.deploy(parent, definition); + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/artifact/LocalMavenRepository.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/extension/AbstractExtensionDeployer.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/extension/AbstractExtensionDeployer.java new file mode 100644 index 0000000000..2727e8a108 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/extension/AbstractExtensionDeployer.java @@ -0,0 +1,113 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.deployer.CompositeClassLoader; +import org.apache.tuscany.spi.deployer.Deployer; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.model.ComponentDefinition; + +/** + * @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 = deployer.deploy(parent, definition); + component.start(); + } catch (LoaderException e) { + // FIXME handle the exception + e.printStackTrace(); + } finally { + // Thread.currentThread().setContextClassLoader(contextCL); + } + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jca/JcaWorkScheduler.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/Jsr237WorkScheduler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/Jsr237WorkScheduler.java new file mode 100644 index 0000000000..c65ddb12c0 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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("MODULE") +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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/DefaultWorkEvent.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/DefaultWorkItem.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/work/jsr237/workmanager/ThreadPoolWorkManager.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/util/ClassLoaderHelper.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/util/JavaIntrospectionHelper.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/util/JavaIntrospectionHelper.java new file mode 100644 index 0000000000..21dea46935 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/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 + */ + 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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/BridgingInterceptor.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundInvocationChainImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundWireImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundWireImpl.java new file mode 100644 index 0000000000..d940427e5a --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/InboundWireImpl.java @@ -0,0 +1,160 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 java.util.concurrent.ConcurrentHashMap; + +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetException; +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.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Default implementation of an inbound wire + * + * @version $Rev$ $Date$ + */ +public class InboundWireImpl implements InboundWire { + + 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 Map<Object, Object> msgIdsToAddrs = new ConcurrentHashMap<Object, Object>(); + + public Object getTargetService() throws TargetException { + if (targetWire != null) { + // optimized, no interceptors or handlers on either end + return targetWire.getTargetService(); + } + throw new TargetException("Target wire not optimized"); + } + + 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() { + for (InboundInvocationChain chain : chains.values()) { + if (chain.getTargetInvoker() != null && !chain.getTargetInvoker().isOptimizable()) { + return false; + } + if (chain.getHeadInterceptor() != null) { + Interceptor current = chain.getHeadInterceptor(); + while (current != null) { + if (!current.isOptimizable()) { + return false; + } + current = current.getNext(); + } + } + } + return true; + } + + public SCAObject getContainer() { + return container; + } + + public void setContainer(SCAObject container) { + this.container = container; + } + + public void addMapping(Object messageId, Object fromAddress) { + this.msgIdsToAddrs.put(messageId, fromAddress); + } + + public Object retrieveMapping(Object messageId) { + return this.msgIdsToAddrs.get(messageId); + } + + public void removeMapping(Object messageId) { + this.msgIdsToAddrs.remove(messageId); + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/InvocationChainImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/InvokerInterceptor.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/NonBlockingBridgingInterceptor.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/NonBlockingBridgingInterceptor.java new file mode 100644 index 0000000000..fcc57174ab --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/NonBlockingBridgingInterceptor.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.wire; + +import org.osoa.sca.CompositeContext; +import org.osoa.sca.CurrentCompositeContext; +import org.osoa.sca.SCA; +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; + +/** + * 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 ContextBinder BINDER = new ContextBinder(); + 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(); + // Schedule the invocation of the next interceptor in a new Work instance + try { + workScheduler.scheduleWork(new Runnable() { + public void run() { + workContext.setCurrentMessageId(null); + workContext.setCurrentCorrelationId(null); + CompositeContext oldContext = CurrentCompositeContext.getContext(); + try { + BINDER.setContext(currentContext); + next.invoke(msg); + } catch (Exception e) { + // REVIEW uncomment when it is available + // monitor.executionError(e); + e.printStackTrace(); + } finally { + BINDER.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 true; + } + + private static class ContextBinder extends SCA { + public void setContext(CompositeContext context) { + setCompositeContext(context); + } + + public void start() { + throw new AssertionError(); + } + + public void stop() { + throw new AssertionError(); + } + } + + /** + * A dummy message passed back on an invocation + */ + private static class ImmutableMessage implements Message { + + public Object getBody() { + return null; + } + + public void setBody(Object body) { + 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 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(); + } + + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundAutowire.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundAutowire.java new file mode 100644 index 0000000000..c2824b3c88 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundAutowire.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.OutboundWire; + +/** + * A specialized outbound wire that uses an autowire algorithm to return reference to the target. + * + * @version $$Rev$$ $$Date$$ + */ +public interface OutboundAutowire extends OutboundWire { +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundInvocationChainImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundWireImpl.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundWireImpl.java new file mode 100644 index 0000000000..4dc5241171 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/OutboundWireImpl.java @@ -0,0 +1,170 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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 org.apache.tuscany.spi.QualifiedName; +import org.apache.tuscany.spi.component.SCAObject; +import org.apache.tuscany.spi.component.TargetException; +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.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; + +/** + * Default implementation of an outbound wire + * + * @version $Rev$ $Date$ + */ +public class OutboundWireImpl implements OutboundWire { + + 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; + + public Object getTargetService() throws TargetException { + if (targetWire != null) { + // optimized, no interceptors or handlers on either end + return targetWire.getTargetService(); + } + throw new TargetException("Target wire not optimized"); + } + + 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 isOptimizable() { + for (OutboundInvocationChain chain : chains.values()) { + if (chain.getHeadInterceptor() != null) { + Interceptor current = chain.getHeadInterceptor(); + while (current != null && current != chain.getTargetInterceptor()) { + if (!current.isOptimizable()) { + return false; + } + current = current.getNext(); + } + } + } + + for (InboundInvocationChain chain : callbackTargetChains.values()) { + if (chain.getTargetInvoker() != null && !chain.getTargetInvoker().isOptimizable()) { + return false; + } + if (chain.getHeadInterceptor() != null) { + Interceptor current = chain.getHeadInterceptor(); + while (current != null) { + if (!current.isOptimizable()) { + return false; + } + current = current.getNext(); + } + } + } + + return true; + } + + public SCAObject getContainer() { + return container; + } + + public void setContainer(SCAObject container) { + this.container = container; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/PojoTargetInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/PojoTargetInvoker.java new file mode 100644 index 0000000000..4c967e6c3f --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/PojoTargetInvoker.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 java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.Set; + +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.wire.InvocationRuntimeException; +import org.apache.tuscany.spi.wire.Message; +import org.apache.tuscany.spi.wire.TargetInvoker; + +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.findClosestMatchingMethod; +import static org.apache.tuscany.core.util.JavaIntrospectionHelper.getAllUniquePublicProtectedMethods; + +/** + * Base class for dispatching to a Java based component implementation. Subclasses implement a strategy for resolving + * implementation instances. + * + * @version $Rev$ $Date$ + */ +public abstract class PojoTargetInvoker implements TargetInvoker { + + protected Method operation; + protected boolean cacheable; + + public PojoTargetInvoker(Method operation) { + assert operation != null : "Operation method cannot be null"; + this.operation = operation; + } + + public Object invokeTarget(final Object payload) throws InvocationTargetException { + try { + Object instance = getInstance(); + if (!operation.getDeclaringClass().isInstance(instance)) { + Set<Method> methods = getAllUniquePublicProtectedMethods(instance.getClass()); + Method newOperation = findClosestMatchingMethod(operation.getName(), + operation.getParameterTypes(), methods); + if (newOperation != null) { + operation = newOperation; + } + } + if (payload != null && !payload.getClass().isArray()) { + return operation.invoke(instance, payload); + } else { + return operation.invoke(instance, (Object[]) payload); + } + } catch (IllegalAccessException e) { + throw new InvocationRuntimeException(e); + } + } + + public Message invoke(Message msg) throws InvocationRuntimeException { + try { + Object resp = invokeTarget(msg.getBody()); + msg.setBody(resp); + } catch (InvocationTargetException e) { + msg.setBodyWithFault(e.getCause()); + } catch (Throwable e) { + msg.setBodyWithFault(e); + } + return msg; + } + + 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 + } + + @Override + public PojoTargetInvoker clone() throws CloneNotSupportedException { + try { + PojoTargetInvoker clone = (PojoTargetInvoker) super.clone(); + clone.operation = this.operation; + return clone; + } catch (CloneNotSupportedException e) { + return null; // will not happen + } + } + + protected abstract Object getInstance() throws TargetException; + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/StaticPojoTargetInvoker.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/StaticPojoTargetInvoker.java new file mode 100644 index 0000000000..d836661ceb --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/StaticPojoTargetInvoker.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.wire; + +import java.lang.reflect.Method; + +/** + * Caches component instances that do not need to be resolved for every wire, e.g. an wire originating from a lesser + * scope intended for a target with a wider scope + * + * @version $Rev$ $Date$ + */ +public class StaticPojoTargetInvoker extends PojoTargetInvoker { + + private Object instance; + + public StaticPojoTargetInvoker(Method operation, Object instance) { + super(operation); + assert instance != null : "Instance cannot be null"; + this.instance = instance; + } + + protected Object getInstance() { + return instance; + } + + public StaticPojoTargetInvoker clone() throws CloneNotSupportedException { + StaticPojoTargetInvoker invoker = (StaticPojoTargetInvoker) super.clone(); + invoker.instance = null; + return invoker; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/SynchronousBridgingInterceptor.java b/sca-java-1.x/branches/sca-java-M2/sca/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/sca-java-M2/sca/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/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKCallbackInvocationHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKCallbackInvocationHandler.java new file mode 100644 index 0000000000..d146da6283 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKCallbackInvocationHandler.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.wire.jdk; + +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.util.Map; + +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 { + + private WorkContext context; + private InboundWire inboundWire; + private Object messageId; + private Object correlationId; + + public JDKCallbackInvocationHandler(WorkContext context, InboundWire inboundWire) { + this.context = context; + this.inboundWire = inboundWire; + } + + public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { + messageId = context.getCurrentMessageId(); + context.setCurrentMessageId(null); + correlationId = context.getCurrentCorrelationId(); + context.setCurrentCorrelationId(null); + Object targetAddress = inboundWire.retrieveMapping(correlationId); + if (targetAddress == null) { + throw new AssertionError("No from address associated with message id [" + correlationId + "]"); + } + //TODO optimize as this is slow in local invocations + Map<Operation<?>, OutboundInvocationChain> sourceCallbackInvocationChains = + inboundWire.getSourceCallbackInvocationChains(targetAddress); + Operation operation = findOperation(method, sourceCallbackInvocationChains.keySet()); + OutboundInvocationChain chain = sourceCallbackInvocationChains.get(operation); + TargetInvoker invoker = chain.getTargetInvoker(); + return invoke(chain, invoker, args); + } + + + public Object invoke(Method method, Object[] args) throws Throwable { + return invoke(null, method, args); + } + + protected Object getFromAddress() { + return (inboundWire.getContainer() == null) ? null : inboundWire.getContainer().getName(); + } + + protected Object getMessageId() { + return messageId; + } + + protected Object getCorrelationId() { + return correlationId; + } +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKInboundInvocationHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKInboundInvocationHandler.java new file mode 100644 index 0000000000..43cbe4be88 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKInboundInvocationHandler.java @@ -0,0 +1,139 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.InvocationHandler; +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.component.TargetException; +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.TargetInvoker; +import org.apache.tuscany.spi.wire.WireInvocationHandler; + + +/** + * 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 class JDKInboundInvocationHandler extends AbstractInboundInvocationHandler + implements WireInvocationHandler, InvocationHandler { + + /* + * 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 Map<Method, ChainHolder> chains; + private WorkContext context; + private Object messageId; + private Object correlationId; + + public JDKInboundInvocationHandler(Map<Method, InboundInvocationChain> invocationChains, WorkContext context) { + this.chains = new HashMap<Method, ChainHolder>(invocationChains.size()); + for (Map.Entry<Method, InboundInvocationChain> entry : invocationChains.entrySet()) { + this.chains.put(entry.getKey(), new ChainHolder(entry.getValue())); + } + 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 + } + TargetException e = new TargetException("Operation not configured"); + e.setIdentifier(method.getName()); + throw e; + } + InboundInvocationChain chain = holder.chain; + TargetInvoker invoker; + if (holder.cachedInvoker == null) { + assert chain != null; + if (chain.getTargetInvoker() == null) { + TargetException e = new TargetException("No target invoker configured for operation"); + e.setIdentifier(chain.getOperation().getName()); + throw e; + } + 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(); + } + messageId = context.getCurrentMessageId(); + context.setCurrentMessageId(null); + correlationId = context.getCurrentCorrelationId(); + context.setCurrentCorrelationId(null); + return invoke(chain, invoker, args); + } + + + public Object invoke(Method method, Object[] args) throws Throwable { + return invoke(null, method, args); + } + + /** + * 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; + } + + } + + protected Object getMessageId() { + return messageId; + } + + protected Object getCorrelationId() { + return correlationId; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKOutboundInvocationHandler.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKOutboundInvocationHandler.java new file mode 100644 index 0000000000..a2ca344624 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKOutboundInvocationHandler.java @@ -0,0 +1,155 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.InvocationHandler; +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.WorkContext; +import static org.apache.tuscany.spi.idl.java.JavaIDLUtils.findMethod; +import org.apache.tuscany.spi.model.Operation; +import org.apache.tuscany.spi.wire.AbstractOutboundInvocationHandler; +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; + + +/** + * 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 class JDKOutboundInvocationHandler extends AbstractOutboundInvocationHandler + implements WireInvocationHandler, InvocationHandler { + + /* + * 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 Map<Method, ChainHolder> chains; + private WorkContext context; + private Object fromAddress; + private Object messageId; + private Object correlationId; + + public JDKOutboundInvocationHandler(OutboundWire wire, WorkContext context) + throws NoMethodForOperationException { + Map<Operation<?>, OutboundInvocationChain> invocationChains = wire.getInvocationChains(); + this.chains = new HashMap<Method, ChainHolder>(invocationChains.size()); + this.fromAddress = (wire.getContainer() == null) ? null : wire.getContainer().getName(); + Method[] methods = wire.getServiceContract().getInterfaceClass().getMethods(); + // TODO optimize this + 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()); + } + this.chains.put(method, new ChainHolder(entry.getValue())); + } + + this.context = context; + } + + 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 + } + TargetException e = new TargetException("Operation not configured"); + e.setIdentifier(method.getName()); + throw e; + } + OutboundInvocationChain chain = holder.chain; + TargetInvoker invoker; + + if (holder.cachedInvoker == null) { + assert chain != null; + if (chain.getTargetInvoker() == null) { + TargetException e = new TargetException("No target invoker configured for operation"); + e.setIdentifier(chain.getOperation().getName()); + throw e; + } + 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(); + } + messageId = context.getCurrentMessageId(); + context.setCurrentMessageId(null); + correlationId = context.getCurrentCorrelationId(); + context.setCurrentCorrelationId(null); + return invoke(chain, invoker, args); + } + + public Object invoke(Method method, Object[] args) throws Throwable { + return invoke(null, method, args); + } + + protected Object getFromAddress() { + return fromAddress; + } + + protected Object getMessageId() { + return messageId; + } + + protected Object getCorrelationId() { + return correlationId; + } + + /** + * 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 { + + OutboundInvocationChain chain; + TargetInvoker cachedInvoker; + + public ChainHolder(OutboundInvocationChain config) { + this.chain = config; + } + + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKWireService.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKWireService.java new file mode 100644 index 0000000000..7c7693ca3e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/JDKWireService.java @@ -0,0 +1,341 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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.HashMap; +import java.util.Map; + +import org.osoa.sca.annotations.Constructor; +import org.osoa.sca.annotations.Init; +import org.osoa.sca.annotations.Scope; + +import org.apache.tuscany.spi.QualifiedName; +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.Reference; +import org.apache.tuscany.spi.component.ReferenceNotFoundException; +import org.apache.tuscany.spi.component.Service; +import org.apache.tuscany.spi.component.WorkContext; +import static org.apache.tuscany.spi.idl.java.JavaIDLUtils.findMethod; +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.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.OutboundInvocationChain; +import org.apache.tuscany.spi.wire.OutboundWire; +import org.apache.tuscany.spi.wire.ProxyCreationException; +import org.apache.tuscany.spi.wire.RuntimeWire; +import org.apache.tuscany.spi.wire.WireInvocationHandler; +import org.apache.tuscany.spi.wire.WireServiceExtension; + +import org.apache.tuscany.core.implementation.composite.CompositeReference; +import org.apache.tuscany.core.implementation.composite.CompositeService; +import org.apache.tuscany.core.wire.InboundInvocationChainImpl; +import org.apache.tuscany.core.wire.InboundWireImpl; +import org.apache.tuscany.core.wire.InvokerInterceptor; +import org.apache.tuscany.core.wire.OutboundInvocationChainImpl; +import org.apache.tuscany.core.wire.OutboundWireImpl; + +/** + * the default implementation of a wire service that uses JDK dynamic proxies + * + * @version $$Rev$$ $$Date$$ + */ +@Scope("MODULE") +public class JDKWireService extends WireServiceExtension { + + public JDKWireService() { + super(null, null); + } + + @Constructor({"workContext", "policyregisty"}) + public JDKWireService(@Autowire WorkContext context, @Autowire PolicyBuilderRegistry policyRegistry) { + super(context, policyRegistry); + } + + @Init(eager = true) + public void init() { + } + + public Object createProxy(RuntimeWire wire) throws ProxyCreationException { + assert wire != null : "Wire was null"; + if (wire instanceof InboundWire) { + InboundWire inbound = (InboundWire) wire; + Class<?> interfaze = wire.getServiceContract().getInterfaceClass(); + Method[] methods = interfaze.getMethods(); + Map<Method, InboundInvocationChain> chains = createInboundMapping(inbound, methods); + JDKInboundInvocationHandler handler = new JDKInboundInvocationHandler(chains, context); + ClassLoader cl = interfaze.getClassLoader(); + //FIXME + return Proxy.newProxyInstance(cl, new Class[]{interfaze}, handler); + } else if (wire instanceof OutboundWire) { + OutboundWire outbound = (OutboundWire) wire; + JDKOutboundInvocationHandler handler = new JDKOutboundInvocationHandler(outbound, context); + Class<?> interfaze = outbound.getServiceContract().getInterfaceClass(); + ClassLoader cl = interfaze.getClassLoader(); + return Proxy.newProxyInstance(cl, new Class[]{interfaze}, handler); + } else { + ProxyCreationException e = new ProxyCreationException("Invalid wire type"); + e.setIdentifier(wire.getClass().getName()); + throw e; + } + } + + public Object createCallbackProxy(ServiceContract<?> contract, InboundWire wire) throws ProxyCreationException { + Class<?> interfaze = contract.getCallbackClass(); + ClassLoader cl = interfaze.getClassLoader(); + JDKCallbackInvocationHandler handler = new JDKCallbackInvocationHandler(context, wire); + return interfaze.cast(Proxy.newProxyInstance(cl, new Class[]{interfaze}, handler)); + } + + public WireInvocationHandler createHandler(RuntimeWire wire) { + assert wire != null : "Wire was null"; + if (wire instanceof InboundWire) { + InboundWire inbound = (InboundWire) wire; + Method[] methods = inbound.getServiceContract().getInterfaceClass().getMethods(); + Map<Method, InboundInvocationChain> chains = createInboundMapping(inbound, methods); + return new JDKInboundInvocationHandler(chains, context); + } else if (wire instanceof OutboundWire) { + OutboundWire outbound = (OutboundWire) wire; + return new JDKOutboundInvocationHandler(outbound, context); + } else { + ProxyCreationException e = new ProxyCreationException("Invalid wire type"); + e.setIdentifier(wire.getClass().getName()); + throw e; + } + } + + public WireInvocationHandler createCallbackHandler(InboundWire wire) { + return new JDKCallbackInvocationHandler(context, wire); + } + + public OutboundInvocationChain createOutboundChain(Operation<?> operation) { + return new OutboundInvocationChainImpl(operation); + } + + public InboundInvocationChain createInboundChain(Operation<?> operation) { + return new InboundInvocationChainImpl(operation); + } + + public void createWires(Component component, ComponentDefinition<?> definition) { + Implementation<?> implementation = definition.getImplementation(); + ComponentType<?, ?, ?> componentType = implementation.getComponentType(); + for (ServiceDefinition service : componentType.getServices().values()) { + InboundWire inboundWire = createWire(service); + inboundWire.setContainer(component); + if (componentType instanceof CompositeComponentType<?, ?, ?>) { + // If this is the case, then it means that component has already been returned + // by CompositeBuilder and thus its children, in particular composite services, + // have been registered + CompositeComponent compositeComponent = (CompositeComponent) component; + Service serviceChild = (Service) compositeComponent.getChild(service.getName()); + assert serviceChild != null; + if (serviceChild instanceof CompositeService) { + serviceChild.setInboundWire(inboundWire); + // Notice that now the more immediate container of the wire is the composite service + inboundWire.setContainer(serviceChild); + } + } + component.addInboundWire(inboundWire); + } + + for (ReferenceTarget referenceTarget : definition.getReferenceTargets().values()) { + Map<String, ? extends ReferenceDefinition> references = componentType.getReferences(); + ReferenceDefinition mappedReference = references.get(referenceTarget.getReferenceName()); + if (mappedReference == null) { + String refName = referenceTarget.getReferenceName(); + ReferenceNotFoundException e = new ReferenceNotFoundException(refName); + e.addContextName(refName); + e.addContextName(definition.getName()); + throw e; + } + OutboundWire wire = createWire(referenceTarget, mappedReference); + wire.setContainer(component); + component.addOutboundWire(wire); + if (componentType instanceof CompositeComponentType<?, ?, ?>) { + // If this is the case, then it means that component has already been returned + // by CompositeBuilder and thus its children, in particular composite references, + // have been registered + CompositeComponent compositeComponent = (CompositeComponent) component; + Reference reference = (Reference) compositeComponent.getChild(referenceTarget.getReferenceName()); + assert reference != null; + if (reference instanceof CompositeReference) { + reference.setOutboundWire(wire); + // Notice that now the more immediate container of the wire is the composite reference + wire.setContainer(reference); + } + } + } + } + + public void createWires(Reference reference, ServiceContract<?> contract) { + InboundWire inboundWire = new InboundWireImpl(); + inboundWire.setServiceContract(contract); + inboundWire.setContainer(reference); + for (Operation<?> operation : contract.getOperations().values()) { + InboundInvocationChain chain = createInboundChain(operation); + inboundWire.addInvocationChain(operation, chain); + } + OutboundWire outboundWire = new OutboundWireImpl(); + + // [rfeng] Check if the Reference has the binding contract + ServiceContract<?> bindingContract = reference.getBindingServiceContract(); + if (bindingContract == null) { + bindingContract = contract; + } + outboundWire.setServiceContract(bindingContract); + outboundWire.setContainer(reference); + for (Operation<?> operation : bindingContract.getOperations().values()) { + OutboundInvocationChain chain = createOutboundChain(operation); + chain.addInterceptor(new InvokerInterceptor()); + outboundWire.addInvocationChain(operation, chain); + } + + // Notice that we skip inboundWire.setCallbackReferenceName + // First, an inbound inboundWire's callbackReferenceName is only retrieved by JavaAtomicComponent + // to create a callback injector based on the callback reference member; a composite reference + // should not need to do that + // Second, a reference definition does not have a callback reference name like a service + // definition does + reference.setInboundWire(inboundWire); + reference.setOutboundWire(outboundWire); + } + + public OutboundWire createWire(ReferenceTarget reference, ReferenceDefinition def) { + //TODO multiplicity + if (reference.getTargets().size() != 1) { + throw new UnsupportedOperationException(); + } + ServiceContract<?> contract = def.getServiceContract(); + OutboundWire wire = new OutboundWireImpl(); + QualifiedName qName = new QualifiedName(reference.getTargets().get(0).toString()); + wire.setTargetName(qName); + wire.setServiceContract(contract); + wire.setReferenceName(reference.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 + //TODO statement below could be cleaner + callbackTargetChain.addInterceptor(new InvokerInterceptor()); + wire.addTargetCallbackInvocationChain(operation, callbackTargetChain); + } + } + return wire; + } + + 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 + //TODO statement below could be cleaner + chain.addInterceptor(new InvokerInterceptor()); + wire.addInvocationChain(operation, chain); + } + if (contract.getCallbackName() != null) { + wire.setCallbackReferenceName(service.getCallbackReferenceName()); + } + return wire; + } + + public void createWires(Service service, String targetName, ServiceContract<?> contract) { + InboundWire inboundWire = new InboundWireImpl(); + + // [rfeng] Check if the Reference has the binding contract + ServiceContract<?> bindingContract = service.getBindingServiceContract(); + if (bindingContract == null) { + bindingContract = contract; + } + inboundWire.setServiceContract(bindingContract); + inboundWire.setContainer(service); + for (Operation<?> operation : bindingContract.getOperations().values()) { + InboundInvocationChain inboundChain = createInboundChain(operation); + inboundWire.addInvocationChain(operation, inboundChain); + } + + OutboundWire outboundWire = new OutboundWireImpl(); + outboundWire.setServiceContract(contract); + outboundWire.setTargetName(new QualifiedName(targetName)); + outboundWire.setContainer(service); + + for (Operation<?> operation : contract.getOperations().values()) { + OutboundInvocationChain outboundChain = createOutboundChain(operation); + outboundWire.addInvocationChain(operation, outboundChain); + } + + // Add target callback chain to outbound wire, applicable to both bound and bindless services + if (contract.getCallbackName() != null) { + outboundWire.setCallbackInterface(contract.getCallbackClass()); + for (Operation<?> operation : contract.getCallbackOperations().values()) { + InboundInvocationChain callbackTargetChain = createInboundChain(operation); +// TODO handle policy +//TODO statement below could be cleaner + callbackTargetChain.addInterceptor(new InvokerInterceptor()); + outboundWire.addTargetCallbackInvocationChain(operation, callbackTargetChain); + } + } + + // Not clear in any case why this is done here and at the parent composite level as well + // But for a composite service, make sure that the inbound wire comes from the parent + if (!(service instanceof CompositeService)) { + service.setInboundWire(inboundWire); + } + service.setOutboundWire(outboundWire); + } + + + private 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) { + NoMethodForOperationException e = new NoMethodForOperationException(); + e.setIdentifier(operation.getName()); + } + chains.put(method, chain); + } + return chains; + } + +} diff --git a/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/NoMethodForOperationException.java b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/NoMethodForOperationException.java new file mode 100644 index 0000000000..5a123ee814 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-M2/sca/kernel/core/src/main/java/org/apache/tuscany/core/wire/jdk/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.jdk; + +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); + } +} |