diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache')
33 files changed, 3596 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/InstanceFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/InstanceFactory.java new file mode 100644 index 0000000000..e2d99852d8 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/InstanceFactory.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.sca.implementation.java.context; + +import org.apache.tuscany.sca.core.factory.InstanceWrapper; + +/** + * Interface for a factory that returns an injected component instance. + * This is used by a Component implementation to create new instances of + * application implementation objects as determined by the component scope's + * lifecycle. + * <p/> + * The implementation of this interface may be supplied by the user, + * may be generated during deployment, or may be dynamic. + * + * @version $Rev$ $Date$ + * @param <T> Type of the instance generated by the factory. + */ +public interface InstanceFactory<T> { + /** + * Creates a new instance of the component. + * All injected values must be set but any @Init methods must not have been invoked. + * + * @return A wrapper for the created component instance. + */ + InstanceWrapper<T> newInstance(); +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/InstanceFactoryProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/InstanceFactoryProvider.java new file mode 100644 index 0000000000..df21e013f1 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/InstanceFactoryProvider.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.sca.implementation.java.context; + +import org.apache.tuscany.sca.core.factory.ObjectFactory; +import org.apache.tuscany.sca.implementation.java.JavaElementImpl; + +/** + * @version $Rev$ $Date$ + */ +public interface InstanceFactoryProvider<T> { + /** + * Return the implementation class. + * + * @return the implementation class. + */ + Class<T> getImplementationClass(); + + /** + * Sets an object factory for an injection site + * + * @param element the injection site name + * @param objectFactory the object factory + */ + void setObjectFactory(JavaElementImpl element, ObjectFactory<?> objectFactory); + + /** + * Create an instance factory that can be used to create component instances. + * + * @return a new instance factory + */ + InstanceFactory<T> createFactory(); +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceFactory.java new file mode 100644 index 0000000000..967820abe7 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceFactory.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.sca.implementation.java.context; + +import java.lang.reflect.Constructor; +import java.lang.reflect.InvocationTargetException; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.core.factory.InstanceWrapper; +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; +import org.apache.tuscany.sca.databinding.impl.XSDDataTypeConverter; +import org.apache.tuscany.sca.implementation.java.injection.Injector; +import org.apache.tuscany.sca.implementation.java.invocation.EventInvoker; + +/** + * @version $Rev$ $Date$ + */ +public class ReflectiveInstanceFactory<T> implements InstanceFactory<T> { + private static final Logger logger = Logger.getLogger(ReflectiveInstanceFactory.class.getName(), + "org.apache.tuscany.sca.implementation.java.runtime.implementation-java-runtime-validation-messages"); + + private final Constructor<T> ctr; + private final ObjectFactory<?>[] ctrArgs; + private final Injector<T>[] injectors; + private final EventInvoker<T> initInvoker; + private final EventInvoker<T> destroyInvoker; + private final Injector<T>[] callbackInjectors; + + public ReflectiveInstanceFactory(Constructor<T> ctr, + ObjectFactory<?>[] ctrArgs, + Injector<T>[] injectors, + Injector<T>[] callbackInjectors, + EventInvoker<T> initInvoker, + EventInvoker<T> destroyInvoker) { + this.ctr = ctr; + this.ctrArgs = ctrArgs; + this.injectors = injectors; + this.callbackInjectors = callbackInjectors; + this.initInvoker = initInvoker; + this.destroyInvoker = destroyInvoker; + } + + public InstanceWrapper<T> newInstance() { + T instance; + try { + if (ctrArgs != null) { + Object[] args = new Object[ctrArgs.length]; + for (int i = 0; i < args.length; i++) { + args[i] = ctrArgs[i].getInstance(); + } + instance = ctr.newInstance(args); + } else { + instance = ctr.newInstance(); + } + } catch (InstantiationException e) { + String name = ctr.getDeclaringClass().getName(); + String message = logger.getResourceBundle().getString("ClassNoInstantiable"); + message = message.replace("{0}", name); + throw new AssertionError(message); + } catch (IllegalAccessException e) { + String name = ctr.getName(); + String message = logger.getResourceBundle().getString("ConstructorNotAccessible"); + message = message.replace("{0}", name); + throw new AssertionError(message); + } catch (InvocationTargetException e) { + String name = ctr.getName(); + String message = logger.getResourceBundle().getString("ConstructorException"); + message = message.replace("{0}", name); + throw new ObjectCreationException(message, e); + } + + if (injectors != null) { + for (Injector<T> injector : injectors) { + //FIXME Injectors should never be null + if (injector != null) + try { + injector.inject(instance); + } catch (Exception e) { + if (destroyInvoker != null) { + destroyInvoker.invokeEvent(instance); + } + String message = logger.getResourceBundle().getString("InjectorException"); + message = message.replace("{0}", e.getMessage()); + throw new ObjectCreationException(message, e); + } + } + } + + return new ReflectiveInstanceWrapper<T>(instance, initInvoker, destroyInvoker, callbackInjectors); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceWrapper.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceWrapper.java new file mode 100644 index 0000000000..a3ed16dde5 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceWrapper.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.sca.implementation.java.context; + +import org.apache.tuscany.sca.core.factory.InstanceWrapper; +import org.apache.tuscany.sca.core.scope.TargetDestructionException; +import org.apache.tuscany.sca.core.scope.TargetInitializationException; +import org.apache.tuscany.sca.implementation.java.injection.Injector; +import org.apache.tuscany.sca.implementation.java.invocation.EventInvoker; + +/** + * @version $Rev$ $Date$ + */ +public class ReflectiveInstanceWrapper<T> implements InstanceWrapper<T> { + private final EventInvoker<T> initInvoker; + private final EventInvoker<T> destroyInvoker; + private final T instance; + private final Injector<T>[] callbackInjectors; + + public ReflectiveInstanceWrapper(T instance, EventInvoker<T> initInvoker, EventInvoker<T> destroyInvoker, Injector<T>[] callbackInjectors) { + this.instance = instance; + this.initInvoker = initInvoker; + this.destroyInvoker = destroyInvoker; + this.callbackInjectors = callbackInjectors; + } + + public T getInstance() { + return instance; + } + + public void start() throws TargetInitializationException { + if (initInvoker != null) { + try { + initInvoker.invokeEvent(instance); + } catch (Exception e) { + try { + stop(); + } catch (TargetDestructionException e1) { + throw new TargetInitializationException("TargetDestructionException while handling init exception", e); + } + throw new TargetInitializationException(e); + } + } + } + + public void stop() throws TargetDestructionException { + if (destroyInvoker != null) { + destroyInvoker.invokeEvent(instance); + } + } + + public Injector<T>[] getCallbackInjectors() { + return this.callbackInjectors; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/databinding/PropertyDataTypeProcessor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/databinding/PropertyDataTypeProcessor.java new file mode 100644 index 0000000000..675ab2498b --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/databinding/PropertyDataTypeProcessor.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.sca.implementation.java.databinding; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.Property; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.implementation.java.IntrospectionException; +import org.apache.tuscany.sca.implementation.java.JavaElementImpl; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.implementation.java.introspect.BaseJavaClassVisitor; +import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.util.JavaXMLMapper; +import org.apache.tuscany.sca.interfacedef.util.XMLType; + +/** + * + */ +public class PropertyDataTypeProcessor extends BaseJavaClassVisitor { + private Mediator mediator; + + /** + * @param registry + */ + public PropertyDataTypeProcessor(ExtensionPointRegistry registry) { + super(registry); + UtilityExtensionPoint utilityExtensionPoint = registry.getExtensionPoint(UtilityExtensionPoint.class); + this.mediator = utilityExtensionPoint.getUtility(Mediator.class); + } + + /** + * Introspect the property + * @param javaElement + * @return + */ + private void introspect(Property property, JavaElementImpl javaElement) { + // XMLType xmlType = new XMLType(property.getXSDElement(), property.getXSDType()); + // property.getDataType().setLogical(xmlType); + mediator.getDataBindings().introspectType(property.getDataType(), null); + } + + @Override + public <T> void visitEnd(Class<T> clazz, JavaImplementation type) throws IntrospectionException { + for (Property property : type.getProperties()) { + String name = property.getName(); + JavaElementImpl element = type.getPropertyMembers().get(name); + introspect(property, element); + DataType dt = property.getDataType(); + Object logical = dt.getLogical(); + if (logical instanceof XMLType && + logical != XMLType.UNKNOWN) { + XMLType xmlType = (XMLType)logical; + property.setXSDType(xmlType.getTypeName()); + property.setXSDElement(xmlType.getElementName()); + } else { + Class<?> baseType = JavaIntrospectionHelper.getBaseType(element.getType(), element.getGenericType()); + QName typeName = JavaXMLMapper.getXMLType(baseType); + property.setXSDType(typeName); + } + } + super.visitEnd(clazz, type); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ArrayMultiplicityObjectFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ArrayMultiplicityObjectFactory.java new file mode 100644 index 0000000000..2513c63e38 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/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.sca.implementation.java.injection; + +import java.lang.reflect.Array; +import java.util.List; + +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.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-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ContextInjector.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ContextInjector.java new file mode 100644 index 0000000000..d8eef18c74 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/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.sca.implementation.java.injection; + +import org.apache.tuscany.sca.core.factory.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-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/FieldInjector.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/FieldInjector.java new file mode 100644 index 0000000000..4d97e72bd0 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/FieldInjector.java @@ -0,0 +1,86 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.implementation.java.injection; + +import java.lang.reflect.Field; +import java.lang.reflect.Type; +import java.security.AccessController; +import java.security.PrivilegedAction; + +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; + +/** + * Injects a value created by an {@link org.apache.tuscany.sca.core.factory.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 pField, ObjectFactory<?> objectFactory) { + field = pField; + // Allow privileged access to set accessibility. Requires ReflectPermission + // in security policy. + AccessController.doPrivileged(new PrivilegedAction<Object>() { + public Object run() { + field.setAccessible(true); // ignore Java accessibility + return null; + } + }); + + this.objectFactory = objectFactory; + } + + /** + * Inject a new value on the given instance + */ + public void inject(T instance) throws ObjectCreationException { + inject(instance, objectFactory.getInstance()); + } + + public void inject(T instance, Object value) { + try { + field.set(instance, value); + } catch (IllegalAccessException e) { + throw new ObjectCreationException("Field is not accessible [" + field + "]", e); + } + } + + public Class<?> getType() { + return field.getType(); + } + + public Type getGenericType() { + return field.getGenericType(); + } + + public void injectNull(T instance) throws ObjectCreationException { + inject(instance, null); + } + + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/InjectionRuntimeException.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/InjectionRuntimeException.java new file mode 100644 index 0000000000..8bc2dce76c --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/InjectionRuntimeException.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.sca.implementation.java.injection; + + +/** + * Root unchecked exception for the injection package + * + * @version $Rev$ $Date$ + * @tuscany.spi.extension.inheritfrom + */ +public abstract class InjectionRuntimeException extends RuntimeException { + private static final long serialVersionUID = -2264137603099898773L; + + public InjectionRuntimeException() { + super(); + } + + public InjectionRuntimeException(String message, Throwable cause) { + super(message, cause); + } + + public InjectionRuntimeException(String message) { + super(message); + } + + public InjectionRuntimeException(Throwable cause) { + super(cause); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/Injector.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/Injector.java new file mode 100644 index 0000000000..f0208c4e71 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/Injector.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.sca.implementation.java.injection; + +import java.lang.reflect.Type; + +import org.apache.tuscany.sca.core.factory.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; + void injectNull(T instance) throws ObjectCreationException; + Class<?> getType(); + Type getGenericType(); + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/InvalidAccessorException.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/InvalidAccessorException.java new file mode 100644 index 0000000000..5aeebcca36 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/InvalidAccessorException.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.sca.implementation.java.injection; + +/** + * @version $Rev$ $Date$ + */ +public class InvalidAccessorException extends InjectionRuntimeException { + private static final long serialVersionUID = 9196299279363310978L; + + public InvalidAccessorException() { + super(); + } + + public InvalidAccessorException(String message, Throwable cause) { + super(message, cause); + } + + public InvalidAccessorException(String message) { + super(message); + } + + public InvalidAccessorException(Throwable cause) { + super(cause); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/JavaPropertyValueObjectFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/JavaPropertyValueObjectFactory.java new file mode 100644 index 0000000000..acacd23d8f --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/JavaPropertyValueObjectFactory.java @@ -0,0 +1,371 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.implementation.java.injection; + +import java.lang.reflect.Array; +import java.util.ArrayList; +import java.util.List; +import java.util.StringTokenizer; + +import org.apache.tuscany.sca.assembly.ComponentProperty; +import org.apache.tuscany.sca.assembly.Property; +import org.apache.tuscany.sca.common.xml.dom.DOMHelper; +import org.apache.tuscany.sca.context.PropertyValueFactory; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.databinding.SimpleTypeMapper; +import org.apache.tuscany.sca.databinding.impl.SimpleTypeMapperImpl; +import org.apache.tuscany.sca.databinding.xml.DOMDataBinding; +import org.apache.tuscany.sca.implementation.java.JavaElementImpl; +import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl; +import org.apache.tuscany.sca.interfacedef.util.TypeInfo; +import org.apache.tuscany.sca.interfacedef.util.XMLType; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.Node; +import org.w3c.dom.NodeList; + +/** + * + * @version $Rev$ $Date$ + */ +public class JavaPropertyValueObjectFactory implements PropertyValueFactory { + private Mediator mediator = null; + private SimpleTypeMapper simpleTypeMapper; + private boolean isSimpleType; + + public JavaPropertyValueObjectFactory(ExtensionPointRegistry registry) { + UtilityExtensionPoint utilityExtensionPoint = registry.getExtensionPoint(UtilityExtensionPoint.class); + this.mediator = utilityExtensionPoint.getUtility(Mediator.class); + this.simpleTypeMapper = utilityExtensionPoint.getUtility(SimpleTypeMapper.class); + } + + public JavaPropertyValueObjectFactory(Mediator mediator) { + this.mediator = mediator; + } + + public ObjectFactory createValueFactory(Property property, Object propertyValue, JavaElementImpl javaElement) { + Document doc = (Document)propertyValue; + List<Node> nodes = getValues(doc); + Class<?> javaType = JavaIntrospectionHelper.getBaseType(javaElement.getType(), javaElement.getGenericType()); + if (property.isMany()) { + if (javaElement.getType().isArray()) { + return new ArrayObjectFactoryImpl(property, nodes, javaType); + } else { + return new ListObjectFactoryImpl(property, nodes, javaType); + } + } else { + Object value = null; + if (!nodes.isEmpty()) { + value = nodes.get(0); + } + return new ObjectFactoryImpl(property, value, javaType); + + } + } + + public ObjectFactory createValueFactory(Property property, Object propertyValue, Class<?> javaType) { + Document doc = (Document)propertyValue; + List<Node> nodes = getValues(doc); + if (property.isMany()) { + return new ListObjectFactoryImpl(property, nodes, javaType); + } else { + Object value = null; + if (!nodes.isEmpty()) { + value = nodes.get(0); + } + return new ObjectFactoryImpl(property, value, javaType); + } + } + + public <B> B createPropertyValue(ComponentProperty property, Class<B> type) { + + validateTypes(property, type); + + ObjectFactory<B> factory = this.createValueFactory(property, property.getValue(), type); + return factory.getInstance(); + } + + private <B> void validateTypes(ComponentProperty property, Class<B> type) { + // JAXB seems to do some strange things with conversions, so + // we can't rely on the databinding conversion from Node->Java to catch + // incompatible types. + + DataType prop1 = property.getProperty().getDataType(); + + if ( (prop1 != null) && (type.isAssignableFrom(prop1.getPhysical())) ) { + return; + } else if ( simpleTypeMapper.getXMLType(type) != null ) { + if ( simpleTypeMapper.getXMLType(type).getQName().equals(property.getXSDType())) + return; + } else if ( isSimpleType(property) ) { + if ( type.isAssignableFrom(simpleTypeMapper.getJavaType(property.getXSDType()))) + return; + } + + throw new IllegalArgumentException("Property type " + prop1.getPhysical().getName() + " is not compatible with " + type.getName()); + + } + + abstract class ObjectFactoryImplBase implements ObjectFactory { + protected SimpleTypeMapper simpleTypeMapper = new SimpleTypeMapperImpl(); + protected Property property; + protected Object propertyValue; + protected Class<?> javaType; + protected DataType<XMLType> sourceDataType; + protected DataType<?> targetDataType; + + public ObjectFactoryImplBase(Property property, Object propertyValue, Class<?> javaType) { + this.property = property; + this.propertyValue = propertyValue; + this.javaType = javaType; + sourceDataType = + new DataTypeImpl<XMLType>(DOMDataBinding.NAME, Node.class, + new XMLType(null, this.property.getXSDType())); + + targetDataType = property.getDataType(); + if (targetDataType == null) { + TypeInfo typeInfo = null; + if (this.property.getXSDType() != null) { + if (simpleTypeMapper.isSimpleXSDType(this.property.getXSDType())) { + typeInfo = new TypeInfo(property.getXSDType(), true, null); + } else { + typeInfo = new TypeInfo(property.getXSDType(), false, null); + } + } else { + typeInfo = new TypeInfo(property.getXSDType(), false, null); + } + + XMLType xmlType = new XMLType(typeInfo); + String dataBinding = null; // (String)property.getExtensions().get(DataBinding.class.getName()); + if (dataBinding != null) { + targetDataType = new DataTypeImpl<XMLType>(dataBinding, javaType, xmlType); + } else { + targetDataType = new DataTypeImpl<XMLType>(dataBinding, javaType, xmlType); + mediator.getDataBindings().introspectType(targetDataType, null); + } + } + } + } + + class ObjectFactoryImpl extends ObjectFactoryImplBase { + private Object result = null; + + public ObjectFactoryImpl(Property property, Object propertyValue, Class<?> javaType) { + super(property, propertyValue, javaType); + } + + public Object getInstance() throws ObjectCreationException { + // TUSCANY-3791 + if (result != null){ + return result; + } + + if (isSimpleType) { + try { + result = simpleTypeMapper.toJavaObject(property.getXSDType(), (String)propertyValue, null); + } catch (NumberFormatException ex) { + throw new ObjectCreationException("Failed to create instance for property " + property.getName() + + " with value " + + propertyValue, ex); + } catch (IllegalArgumentException ex) { + throw new ObjectCreationException("Failed to create instance for property " + property.getName() + + " with value " + + propertyValue, ex); + } + } else { + result = mediator.mediate(propertyValue, sourceDataType, targetDataType, null); + } + return result; + } + } + + class ListObjectFactoryImpl extends ObjectFactoryImplBase { + private List result = null; + + public ListObjectFactoryImpl(Property property, List<?> propertyValues, Class<?> javaType) { + super(property, propertyValues, javaType); + } + + @SuppressWarnings("unchecked") + public List<?> getInstance() throws ObjectCreationException { + // TUSCANY-3791 + if (result != null){ + return result; + } + + if (isSimpleType) { + List<Object> values = new ArrayList<Object>(); + for (String aValue : (List<String>)propertyValue) { + try { + values.add(simpleTypeMapper.toJavaObject(property.getXSDType(), aValue, null)); + } catch (NumberFormatException ex) { + throw new ObjectCreationException("Failed to create instance for property " + property + .getName() + + " with value " + + aValue + + " from value list of " + + propertyValue, ex); + } catch (IllegalArgumentException ex) { + throw new ObjectCreationException("Failed to create instance for property " + property + .getName() + + " with value " + + aValue + + " from value list of " + + propertyValue, ex); + } + } + result = values; + } else { + List instances = new ArrayList(); + for (Node aValue : (List<Node>)propertyValue) { + instances.add(mediator.mediate(aValue, sourceDataType, targetDataType, null)); + } + result = instances; + } + + return result; + } + } + + class ArrayObjectFactoryImpl extends ObjectFactoryImplBase { + private Object result = null; + + public ArrayObjectFactoryImpl(Property property, List<?> propertyValues, Class<?> javaType) { + super(property, propertyValues, javaType); + } + + @SuppressWarnings("unchecked") + public Object getInstance() throws ObjectCreationException { + // TUSCANY-3791 + if (result != null){ + return result; + } + + if (isSimpleType) { + int count = 0; + Object values = Array.newInstance(javaType, ((List<Object>)propertyValue).size()); + for (String aValue : (List<String>)propertyValue) { + try { + Array.set(values, count++, simpleTypeMapper.toJavaObject(property.getXSDType(), aValue, null)); + } catch (NumberFormatException ex) { + throw new ObjectCreationException("Failed to create instance for property " + property + .getName() + + " with value " + + aValue + + " from value list of " + + propertyValue, ex); + } catch (IllegalArgumentException ex) { + throw new ObjectCreationException("Failed to create instance for property " + property + .getName() + + " with value " + + aValue + + " from value list of " + + propertyValue, ex); + } + } + result = values; + } else { + Object instances = Array.newInstance(javaType, ((List<Object>)propertyValue).size()); + int count = 0; + for (Node aValue : (List<Node>)propertyValue) { + Array.set(instances, count++, mediator.mediate(aValue, sourceDataType, targetDataType, null)); + } + result = instances; + } + + return result; + } + } + + /** + * Utility methods + */ + + /** + * + * @param property + * @return + */ + private boolean isSimpleType(Property property) { + if (property.getXSDType() != null) { + return simpleTypeMapper.isSimpleXSDType(property.getXSDType()); + } else { + if (property instanceof Document) { + Document doc = (Document)property; + Element element = doc.getDocumentElement(); + if (element.getChildNodes().getLength() == 1 && element.getChildNodes().item(0).getNodeType() == Element.TEXT_NODE) { + return true; + } + } + } + return false; + } + + /** + * Retrieve list of simple property values + * @param concatenatedValue + * @param javaType + * @return + */ + private static List<String> getSimplePropertyValues(String concatenatedValue, Class<?> javaType) { + List<String> propValues = new ArrayList<String>(); + StringTokenizer st = null; + if (javaType.getName().equals("java.lang.String")) { + st = new StringTokenizer(concatenatedValue, "\""); + } else { + st = new StringTokenizer(concatenatedValue); + } + String aToken = null; + while (st.hasMoreTokens()) { + aToken = st.nextToken(); + if (aToken.trim().length() > 0) { + propValues.add(aToken); + } + } + return propValues; + } + + /** + * Retrieve the list of complex property values + * @param document + * @return + */ + private static List<Node> getValues(Document document) { + List<Node> propValues = new ArrayList<Node>(); + if ( document == null ) + return propValues; + // The root is the property element + Element rootElement = document.getDocumentElement(); + + NodeList nodes = rootElement.getChildNodes(); + for (int count = 0; count < nodes.getLength(); ++count) { + Node node = nodes.item(count); + if (node.getNodeType() == Document.ELEMENT_NODE) { + propValues.add(DOMHelper.promote(node)); + } + } + return propValues; + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ListMultiplicityObjectFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ListMultiplicityObjectFactory.java new file mode 100644 index 0000000000..a0af933c71 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ListMultiplicityObjectFactory.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.sca.implementation.java.injection; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashSet; +import java.util.List; +import java.util.Set; +import java.util.SortedSet; +import java.util.TreeSet; + +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.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<Collection<?>> { + + private Collection<ObjectFactory<?>> factories; + private Class<?> collectionType; + + public ListMultiplicityObjectFactory(List<ObjectFactory<?>> factories, Class<?> collectionType) { + assert factories != null : "Object factories were null"; + this.factories = factories; + this.collectionType = collectionType; + } + + public Collection<?> getInstance() throws ObjectCreationException { + Collection<Object> collection = null; + if (SortedSet.class.isAssignableFrom(collectionType)) { + collection = new TreeSet<Object>(); + } else if (Set.class.isAssignableFrom(collectionType)) { + collection = new HashSet<Object>(); + } else if (List.class.isAssignableFrom(collectionType)) { + collection = new ArrayList<Object>(); + } else { + collection = new ArrayList<Object>(); + } + for (ObjectFactory<?> factory : factories) { + collection.add(factory.getInstance()); + } + return collection; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/MethodInjector.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/MethodInjector.java new file mode 100644 index 0000000000..cd43a60ab6 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/MethodInjector.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.sca.implementation.java.injection; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.lang.reflect.Type; +import java.security.AccessController; +import java.security.PrivilegedAction; + +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; + +/** + * Injects a value created by an {@link org.apache.tuscany.sca.core.factory.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 aMethod, ObjectFactory<?> objectFactory) { + assert aMethod != null; + assert objectFactory != null; + this.method = aMethod; + // Allow privileged access to set accessibility. Requires ReflectPermission in security + // policy. + AccessController.doPrivileged(new PrivilegedAction<Object>() { + public Object run() { + method.setAccessible(true); + return null; + } + }); + this.objectFactory = objectFactory; + } + + public void inject(T instance) throws ObjectCreationException { + inject(instance, objectFactory.getInstance()); + } + + private void inject(T instance, Object value) { + try { + method.invoke(instance, value); + } catch (IllegalAccessException e) { + throw new ObjectCreationException("Method is not accessible [" + method + "]", e); + } catch (IllegalArgumentException e) { + throw new ObjectCreationException("Exception thrown by setter: " + method.getName(), e); + } catch (InvocationTargetException e) { + throw new ObjectCreationException("Exception thrown by setter: " + method.getName(), e); + } + } + + public Class<?> getType() { + return method.getParameterTypes()[0]; + } + + public Type getGenericType() { + return method.getGenericParameterTypes()[0]; + } + + public void injectNull(T instance) throws ObjectCreationException { + inject(instance, null); + } + + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/RequestContextObjectFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/RequestContextObjectFactory.java new file mode 100644 index 0000000000..43fb5d6170 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/RequestContextObjectFactory.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.sca.implementation.java.injection; + +import org.apache.tuscany.sca.context.RequestContextFactory; +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.oasisopen.sca.RequestContext; + +/** + * Creates instances of RequestContext for injection on component implementation instances + * + * @version $Rev$ $Date$ + */ +public class RequestContextObjectFactory implements ObjectFactory<RequestContext> { + private RequestContextFactory factory; + private RuntimeComponent component; + + public RequestContextObjectFactory(RequestContextFactory factory, RuntimeComponent component) { + this.factory = factory; + this.component = component; + } + + public RequestContext getInstance() throws ObjectCreationException { + return factory.createRequestContext(component); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ResourceNotFoundException.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ResourceNotFoundException.java new file mode 100644 index 0000000000..d5c1c7b69e --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ResourceNotFoundException.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.sca.implementation.java.injection; + +import org.apache.tuscany.sca.core.factory.ObjectCreationException; + +/** + * Denotes an exception thrown when a runtime resource is not found + * + * @version $Rev$ $Date$ + */ +public class ResourceNotFoundException extends ObjectCreationException { + private static final long serialVersionUID = 1L; + + public ResourceNotFoundException() { + super(); + } + + public ResourceNotFoundException(String message, Throwable cause) { + super(message, cause); + } + + public ResourceNotFoundException(String message) { + super(message); + } + + public ResourceNotFoundException(Throwable cause) { + super(cause); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ResourceObjectFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ResourceObjectFactory.java new file mode 100644 index 0000000000..8e2cd66299 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/ResourceObjectFactory.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.sca.implementation.java.injection; + +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; + +import org.apache.tuscany.sca.implementation.java.ResourceHost; +import org.apache.tuscany.sca.implementation.java.ResourceResolutionException; + +/** + * Resolves a runtime resource to be injected on a field or method of a Java component type marked with {@link + * javax.annotation.Resource}. If the mapped name of the resource is an absolute URI such as + * <code>sca://localhost</code> or <code>jndi://localhost</code> the host container namespace is searched; otherwise the + * URI is assumed to be relative and the parent composite is searched. If a mapped name is not provided, i.e. resolution + * is by type, the parent composite is first searched followed by the host namespace. + * + * @version $Rev$ $Date$ + */ +public class ResourceObjectFactory<T> implements ObjectFactory<T> { + + private Class<T> type; + private String mappedName; + private ResourceHost host; + private boolean optional; + + /** + * Instantiates a factory that resolves resources by type + * + * @param type the type of the resource to inject + * @param optional true if an error should be thrown if the resource is not found + * @param host the runtime resource provider + */ + public ResourceObjectFactory(Class<T> type, boolean optional, ResourceHost host) { + this(type, null, optional, host); + } + + /** + * Instantiates a factory that resolves resources by mapped name + * + * @param type the type of the resource to inject + * @param mappedName the resource name + * @param optional true if an error should be thrown if the resource is not found + * @param host the runtime resource provider + */ + public ResourceObjectFactory(Class<T> type, String mappedName, boolean optional, ResourceHost host) { + this.type = type; + this.host = host; + this.mappedName = mappedName; + this.optional = optional; + } + + public T getInstance() throws ObjectCreationException { + try { + T resource; + if (mappedName == null) { + resource = host.resolveResource(type); + if (!optional && resource == null) { + throw new ResourceNotFoundException("Resource not found: " + type.getName()); + } + } else { + resource = host.resolveResource(type, mappedName); + if (!optional && resource == null) { + throw new ResourceNotFoundException("Resource not found: " + mappedName); + } + } + return resource; + } catch (ResourceResolutionException e) { + throw new ObjectCreationException(e); + } + + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/EventInvocationException.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/EventInvocationException.java new file mode 100644 index 0000000000..25c09231c5 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/EventInvocationException.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.sca.implementation.java.invocation; + +import org.apache.tuscany.sca.implementation.java.injection.InjectionRuntimeException; + +/** + * Denotes an error when invoking an event on an object + * + * @version $Rev$ $Date$ + */ +public class EventInvocationException extends InjectionRuntimeException { + private static final long serialVersionUID = 1480018831708211581L; + + public EventInvocationException() { + super(); + } + + public EventInvocationException(String message, Throwable cause) { + super(message, cause); + } + + public EventInvocationException(String message) { + super(message); + } + + public EventInvocationException(Throwable cause) { + super(cause); + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/EventInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/EventInvoker.java new file mode 100644 index 0000000000..e6ebb5abc3 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/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.sca.implementation.java.invocation; + +/** + * Performs an invocation on an instance + * + * @version $Rev$ $Date$ + */ +public interface EventInvoker<T> { + + /** + * Performs the invocation on a given instance + * + * @throws EventInvocationException + */ + void invokeEvent(T instance) throws EventInvocationException; +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/InvalidConversationSequenceException.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/InvalidConversationSequenceException.java new file mode 100644 index 0000000000..1c330ea913 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/InvalidConversationSequenceException.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.sca.implementation.java.invocation; + + +/** + * Denotes an unknown operation sequence in a conversation + * + * @version $Rev$ $Date$ + */ +public class InvalidConversationSequenceException extends Exception { + private static final long serialVersionUID = -5744028391493899147L; + + public InvalidConversationSequenceException() { + super(); + } + + public InvalidConversationSequenceException(String message, Throwable cause) { + super(message, cause); + } + + public InvalidConversationSequenceException(String message) { + super(message); + } + + public InvalidConversationSequenceException(Throwable cause) { + super(cause); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaAsyncImplementationInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaAsyncImplementationInvoker.java new file mode 100644 index 0000000000..759724484e --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaAsyncImplementationInvoker.java @@ -0,0 +1,232 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.implementation.java.invocation; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +import org.apache.tuscany.sca.core.factory.InstanceWrapper; +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.invocation.AsyncResponseException; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaOperation; +import org.apache.tuscany.sca.invocation.InterceptorAsync; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.InvokerAsyncResponse; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.oasisopen.sca.ResponseDispatch; +import org.oasisopen.sca.ServiceRuntimeException; + +/** + * Responsible for asynchronously dispatching an invocation to a Java component + * implementation instance + * + */ +public class JavaAsyncImplementationInvoker extends JavaImplementationInvoker implements InterceptorAsync { + + public JavaAsyncImplementationInvoker(Operation operation, Method method, RuntimeComponent component, RuntimeComponentService service) { + super( operation, method, component, service); + assert method != null : "Operation method cannot be null"; + assert ((JavaOperation) operation).isAsyncServer() : "Operation must be async"; + } // end constructor + + public Message invoke(Message msg) { + Operation op = this.operation; + + Object payload = msg.getBody(); + + // Save the current thread context classloader + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + + try { + // The following call might create a new conversation, as a result, the msg.getConversationID() might + // return a new value + InstanceWrapper wrapper = scopeContainer.getWrapper(null); + + Object instance = wrapper.getInstance(); + + // Set the TCCL to the classloader used to load the implementation class + Thread.currentThread().setContextClassLoader(instance.getClass().getClassLoader()); + + // For an async server method, there is an extra input parameter, which is a DispatchResponse instance + // which is typed by the type of the response + Class<?> responseType = op.getOutputType().getPhysical(); + ResponseDispatch<?> dispatch = ResponseDispatchImpl.newInstance(responseType, msg ); + + Object ret; + Object[] payload2; + if (payload != null && !payload.getClass().isArray()) { + payload2 = new Object[2]; + payload2[0] = payload; + } else { + payload2 = new Object[ ((Object[])payload).length + 1 ]; + for( int i = 0; i < ((Object[])payload).length; i++) { + payload2[i] = ((Object[])payload)[i]; + } // end for + } + payload2[ payload2.length - 1 ] = dispatch; + + ret = method.invoke(instance, (Object[])payload2); + + throw new InvocationTargetException( new AsyncResponseException("AsyncResponse") ); + + } catch (InvocationTargetException e) { + Throwable cause = e.getTargetException(); + boolean isChecked = false; + for (DataType<?> d : operation.getFaultTypes()) { + if (d.getPhysical().isInstance(cause)) { + isChecked = true; + msg.setFaultBody(cause); + break; + } + } // end for + + if (!isChecked) { + if (cause instanceof RuntimeException) { + throw (RuntimeException)cause; + } + if (cause instanceof Error) { + throw (Error)cause; + } else { + throw new ServiceRuntimeException(cause.getMessage(), cause); + } + } // end if + + } catch (ObjectCreationException e) { + throw new ServiceRuntimeException(e.getMessage(), e); + } catch (Exception e) { + msg.setFaultBody(e); + } finally { + // set the tccl + Thread.currentThread().setContextClassLoader(tccl); + } + return msg; + } // end method invoke + + protected Invoker next; + protected InvokerAsyncResponse previous; + + public void setNext(Invoker next) { + this.next = next; + } + + public Invoker getNext() { + return next; + } + + public void invokeAsyncRequest(Message msg) throws Throwable { + processRequest(msg); + } // end method invokeAsyncRequest + + public void invokeAsyncResponse(Message msg) { + msg = processResponse(msg); + InvokerAsyncResponse thePrevious = (InvokerAsyncResponse)getPrevious(); + if (thePrevious != null ) thePrevious.invokeAsyncResponse(msg); + } // end method invokeAsyncResponse + + public void setPrevious(InvokerAsyncResponse previous) { + this.previous = previous; + } + + public InvokerAsyncResponse getPrevious() { + return previous; + } + + public Message processRequest(Message msg) { + Operation op = this.operation; + Object payload = msg.getBody(); + + // Replace TCCL with the class loader used to load the java class as per SCA Spec + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + + try { + InstanceWrapper wrapper = scopeContainer.getWrapper(null); + Object instance = wrapper.getInstance(); + + // Set the TCCL to the classloader used to load the implementation class + Thread.currentThread().setContextClassLoader(instance.getClass().getClassLoader()); + + // For an async server method, there is an extra input parameter, which is a DispatchResponse instance + // which is typed by the type of the response + Class<?> responseType = op.getOutputType().getPhysical(); + ResponseDispatch<?> dispatch = ResponseDispatchImpl.newInstance(responseType, msg ); + + Object[] payload2; + if (payload != null && !payload.getClass().isArray()) { + payload2 = new Object[2]; + payload2[0] = payload; + } else { + payload2 = new Object[ ((Object[])payload).length + 1 ]; + for( int i = 0; i < ((Object[])payload).length; i++) { + payload2[i] = ((Object[])payload)[i]; + } // end for + } + payload2[ payload2.length - 1 ] = dispatch; + + method.invoke(instance, (Object[])payload2); + + } catch (InvocationTargetException e) { + Throwable cause = e.getTargetException(); + boolean isChecked = false; + for (DataType<?> d : operation.getFaultTypes()) { + if (d.getPhysical().isInstance(cause)) { + isChecked = true; + // Ignore these errors since they should be returned asynchronously + break; + } + } // end for + + if (!isChecked) { + if (cause instanceof RuntimeException) { + throw (RuntimeException)cause; + } // end if + if (cause instanceof Error) { + throw (Error)cause; + } else { + throw new ServiceRuntimeException(cause.getMessage(), cause); + } // end if + } // end if + + } catch (Exception e) { + throw new ServiceRuntimeException(e.getMessage(), e); + } finally { + // set the tccl + Thread.currentThread().setContextClassLoader(tccl); + } + return msg; + } // end method processRequest + + public Message postProcessRequest(Message msg) { + return msg; + } + + public Message postProcessRequest(Message msg, Throwable e) + throws Throwable { + throw e; + } + + public Message processResponse(Message msg) { + return msg; + } // end method processResponse + +} // end class JavaAsyncImplementationInvoker diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaAsyncResponseInvokerImpl.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaAsyncResponseInvokerImpl.java new file mode 100644 index 0000000000..d3a7cfd3e6 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaAsyncResponseInvokerImpl.java @@ -0,0 +1,122 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.implementation.java.invocation; + +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; + +import org.apache.tuscany.sca.core.invocation.AsyncFaultWrapper; +import org.apache.tuscany.sca.core.invocation.AsyncResponseHandler; +import org.apache.tuscany.sca.core.invocation.JDKAsyncResponseInvoker; +import org.apache.tuscany.sca.invocation.Message; +import org.oasisopen.sca.ServiceRuntimeException; + +/** + * Class which handles the asynchronous response message from an async service back to the client Java component + * + * This class provides a registration function which permits the reference invoking code to register the Future + * which is used to return the response to the Java component code + */ +public class JavaAsyncResponseInvokerImpl implements JDKAsyncResponseInvoker { + + // Map used to link between async requests and async responses + private ConcurrentMap<String, Object> asyncMessageMap; + + public JavaAsyncResponseInvokerImpl() { + + asyncMessageMap = new ConcurrentHashMap<String, Object>(); + } // end constructor + + /** + * Deal with the asynchronous response message + * @param msg - the response message + * + * The response message must contain a RELATES_TO id, which is used to identify the Future that represents + * the operation yet to complete. The Future is then completed with the content of the message. + * The Future either calls back to the application code, or it is expected that the application is polling + * the Future for its completion. + */ + @SuppressWarnings({ "rawtypes", "unchecked" }) + public void invokeAsyncResponse(Message msg) { + // Obtain the Message ID for this message + String relatesID = getMessageRelatesID( msg ); + if( relatesID == null ) + throw new ServiceRuntimeException("JavaAsyncResponseInvoker - response message has no RELATES_TO id"); + + // Look up the response object & remove it from the Map + Object responseHandler = asyncMessageMap.remove(relatesID); + + if( responseHandler == null ) + throw new ServiceRuntimeException("JavaAsyncResponseInvoker - no Future matches the RELATES_TO id: " + relatesID); + + // Invoke the response handler with the content of the message + // - in the case of a Java implementation, the response handler is a Future... + AsyncResponseHandler future = (AsyncResponseHandler) responseHandler; + + Object payload = msg.getBody(); + Object response; + if( payload == null ) { + System.out.println("Returned response message was null"); + } else { + if (payload.getClass().isArray()) { + response = ((Object[])payload)[0]; + } else { + response = payload; + } // end if + if( response.getClass().equals(AsyncFaultWrapper.class)) { + future.setWrappedFault((AsyncFaultWrapper) response ); + } else if ( response instanceof Throwable ) { + future.setFault( (Throwable)response ); + } else { + future.setResponse(response); + } // end if + } // end if + + } // end method invokeAsyncResponse + + /** + * Registers an Async response, which provides an ID which identifies a given response + * and an object which can handle the response + * @param id - the ID + * @param responseHandler - the response handler object + */ + public void registerAsyncResponse( String id, Object responseHandler ) { + // Add the ID/response handler mapping into the table + if( id != null && responseHandler != null ) asyncMessageMap.put(id, responseHandler); + } // end method registerAsyncResponse + + /** + * Returns the registered async response for a given ID + * @param id - the ID + * @return responseHandler - the response handler object + */ + public Object getAsyncResponse( String id ) { + return asyncMessageMap.get(id); + } + + /** + * Extracts the RELATES_TO header from the message + * @param msg - the Tuscany message + * @return - the value of the RELATES_TO header as a String + */ + private String getMessageRelatesID( Message msg ) { + return (String)msg.getHeaders().get("RELATES_TO"); + } // end method getMessageRelatesID + +} // end class JavaAsyncResponseInvoker diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaCallbackRuntimeWireProcessor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaCallbackRuntimeWireProcessor.java new file mode 100644 index 0000000000..6cd16202ba --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaCallbackRuntimeWireProcessor.java @@ -0,0 +1,125 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.implementation.java.invocation; + +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.assembly.Contract; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.invocation.CallbackInterfaceInterceptor; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.interfacedef.Interface; +import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.invocation.InvocationChain; +import org.apache.tuscany.sca.invocation.Phase; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeEndpoint; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; +import org.apache.tuscany.sca.runtime.RuntimeWireProcessor; + +/** + * @version $Rev$ $Date$ + */ +public class JavaCallbackRuntimeWireProcessor implements RuntimeWireProcessor { + private static final Logger logger = Logger.getLogger(JavaCallbackRuntimeWireProcessor.class.getName()); + private InterfaceContractMapper interfaceContractMapper; + private JavaInterfaceFactory javaInterfaceFactory; + + public JavaCallbackRuntimeWireProcessor(ExtensionPointRegistry registry) { + FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class); + this.javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class); + + UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); + this.interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class); + } + + /** + * @param interfaceContractMapper + * @param javaInterfaceFactory + */ + protected JavaCallbackRuntimeWireProcessor(InterfaceContractMapper interfaceContractMapper, + JavaInterfaceFactory javaInterfaceFactory) { + super(); + this.interfaceContractMapper = interfaceContractMapper; + this.javaInterfaceFactory = javaInterfaceFactory; + } + + + private boolean supportsCallbackInterface(Interface iface, JavaImplementation impl) { + if (iface instanceof JavaInterface) { + Class<?> ifaceClass = ((JavaInterface)iface).getJavaClass(); + if (ifaceClass.isAssignableFrom(impl.getJavaClass())) { + return true; + } + } + try { + Interface implType = javaInterfaceFactory.createJavaInterface(impl.getJavaClass()); + // Ignore the remotable/conversational testing + implType.setRemotable(iface.isRemotable()); + return interfaceContractMapper.isCompatibleSubset(iface, implType); + } catch (InvalidInterfaceException e) { + logger.log(Level.WARNING, e.getMessage(), e); + return false; + } + } + + public void process(RuntimeEndpoint endpoint) { + // No operation + } + + public void process(RuntimeEndpointReference endpointReference) { + if(!(endpointReference instanceof RuntimeEndpointReference)) { + return; + } + RuntimeEndpointReference epr = (RuntimeEndpointReference) endpointReference; + Contract contract = epr.getReference(); + if (!(contract instanceof RuntimeComponentReference)) { + return; + } + RuntimeComponent component = (RuntimeComponent) epr.getComponent(); + if (component == null) { + return; + } + Implementation implementation = component.getImplementation(); + if (!(implementation instanceof JavaImplementation)) { + return; + } + JavaImplementation javaImpl = (JavaImplementation)implementation; + Endpoint callbackEndpoint = epr.getCallbackEndpoint(); + if (callbackEndpoint != null) { + Interface iface = callbackEndpoint.getService().getInterfaceContract().getInterface(); + if (!supportsCallbackInterface(iface, javaImpl)) { + // callback to this impl is not possible, so ensure a callback object is set + for (InvocationChain chain : epr.getInvocationChains()) { + chain.addInterceptor(Phase.REFERENCE, new CallbackInterfaceInterceptor()); + } + } + } + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextFactory.java new file mode 100644 index 0000000000..f2a0d576db --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextFactory.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.sca.implementation.java.invocation; + +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; +import org.oasisopen.sca.ComponentContext; + +/** + * @version $Rev$ $Date$ + */ +public class JavaComponentContextFactory implements ObjectFactory<ComponentContext> { + private final JavaComponentContextProvider component; + + + public JavaComponentContextFactory(JavaComponentContextProvider component) { + this.component = component; + } + + + public ComponentContext getInstance() throws ObjectCreationException { + return component.getComponent().getComponentContext(); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextProvider.java new file mode 100644 index 0000000000..403d8da3b9 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentContextProvider.java @@ -0,0 +1,400 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.implementation.java.invocation; + +import java.lang.annotation.ElementType; +import java.lang.reflect.Constructor; +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.lang.reflect.Modifier; +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.sca.assembly.ComponentProperty; +import org.apache.tuscany.sca.assembly.ComponentReference; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.assembly.Multiplicity; +import org.apache.tuscany.sca.assembly.Reference; +import org.apache.tuscany.sca.context.ComponentContextFactory; +import org.apache.tuscany.sca.context.PropertyValueFactory; +import org.apache.tuscany.sca.context.RequestContextFactory; +import org.apache.tuscany.sca.core.factory.InstanceWrapper; +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; +import org.apache.tuscany.sca.core.invocation.CallableReferenceObjectFactory; +import org.apache.tuscany.sca.core.invocation.CallbackReferenceObjectFactory; +import org.apache.tuscany.sca.core.invocation.CallbackWireObjectFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.core.invocation.WireObjectFactory; +import org.apache.tuscany.sca.core.scope.ScopeContainer; +import org.apache.tuscany.sca.core.scope.TargetResolutionException; +import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.sca.implementation.java.JavaConstructorImpl; +import org.apache.tuscany.sca.implementation.java.JavaElementImpl; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.implementation.java.JavaResourceImpl; +import org.apache.tuscany.sca.implementation.java.JavaScopeImpl; +import org.apache.tuscany.sca.implementation.java.context.InstanceFactory; +import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory; +import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaOperation; +import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentReference; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; +import org.oasisopen.sca.ServiceReference; + +/** + * The runtime instantiation of Java component implementations + * + * @version $Rev$ $Date$ + */ +public class JavaComponentContextProvider { + private JavaPropertyValueObjectFactory propertyValueFactory; + private RuntimeComponent component; + private JavaInstanceFactoryProvider<?> instanceFactoryProvider; + private ProxyFactory proxyFactory; + private InstanceFactory instanceFactory; + private JavaScopeImpl scope; + + public JavaComponentContextProvider(RuntimeComponent component, + JavaInstanceFactoryProvider configuration, + DataBindingExtensionPoint dataBindingExtensionPoint, + PropertyValueFactory propertyValueObjectFactory, + ComponentContextFactory componentContextFactory, + RequestContextFactory requestContextFactory) { + super(); + this.instanceFactoryProvider = configuration; + this.proxyFactory = configuration.getProxyFactory(); + // if (componentContextFactory != null) { + // this.componentContext = componentContextFactory.createComponentContext(component, requestContextFactory); + // } else { + // this.componentContext = new ComponentContextImpl(this, requestContextFactory, this.proxyService); + // } + this.component = component; + this.propertyValueFactory = (JavaPropertyValueObjectFactory) propertyValueObjectFactory; + this.scope = ((JavaImplementation)component.getImplementation()).getJavaScope(); + } + + InstanceWrapper<?> createInstanceWrapper() throws ObjectCreationException { + if (instanceFactory == null) { + start(); + } + return instanceFactory.newInstance(); + } + + void configureProperties(List<ComponentProperty> definedProperties) { + for (ComponentProperty p : definedProperties) { + configureProperty(p); + } + } + + private void configureProperty(ComponentProperty configuredProperty) { + JavaElementImpl element = + instanceFactoryProvider.getImplementation().getPropertyMembers().get(configuredProperty.getName()); + + if (element != null && configuredProperty.getValue() != null) { + if (!(element.getAnchor() instanceof Constructor)) { + if(element.getElementType() == ElementType.FIELD) { + // Field field = (Field)element.getAnchor(); + instanceFactoryProvider.getInjectionSites().add(element); + /* + if(Modifier.isPublic(field.getModifiers())) { + instanceFactoryProvider.getInjectionSites().add(element); + } else if(field.getAnnotation(org.oasisopen.sca.annotation.Property.class) != null) { + instanceFactoryProvider.getInjectionSites().add(element); + } + */ + } else { + instanceFactoryProvider.getInjectionSites().add(element); + } + } + + //Class propertyJavaType = JavaIntrospectionHelper.getBaseType(element.getType(), element.getGenericType()); + ObjectFactory<?> propertyObjectFactory = + createPropertyValueFactory(configuredProperty, configuredProperty.getValue(), element); + instanceFactoryProvider.setObjectFactory(element, propertyObjectFactory); + + JavaConstructorImpl<?> constructor = instanceFactoryProvider.getImplementation().getConstructor(); + for(JavaElementImpl p: constructor.getParameters()){ + if(element.getName().equals(p.getName())) { + instanceFactoryProvider.setObjectFactory(p, propertyObjectFactory); + } + } + } + } + + void start() { + List<JavaElementImpl> callbackInjectionList = null; + + // If the component implementation is stateless, we need to inject the callbacks on service invocation + // rather than doing it once at the component level. + if ( scope.equals(JavaScopeImpl.STATELESS)) { + callbackInjectionList = instanceFactoryProvider.getCallbackInjectionSites(); + } else { + callbackInjectionList = instanceFactoryProvider.getInjectionSites(); + } + + if (!instanceFactoryProvider.getImplementation().getCallbackMembers().isEmpty()) { + Map<String, List<EndpointReference>> callbackWires = new HashMap<String, List<EndpointReference>>(); + for (ComponentService service : component.getServices()) { + + RuntimeComponentReference callbackReference = (RuntimeComponentReference)service.getCallbackReference(); + if (callbackReference != null) { + List<EndpointReference> wires = callbackReference.getEndpointReferences(); + if (!wires.isEmpty()) { + RuntimeEndpointReference epr = (RuntimeEndpointReference) wires.get(0); + callbackWires.put(epr.getComponentTypeReferenceInterfaceContract().getInterface().toString(), + wires); + } + } + } + + for (Map.Entry<String, Collection<JavaElementImpl>> entry : instanceFactoryProvider.getImplementation() + .getCallbackMembers().entrySet()) { + List<EndpointReference> wires = callbackWires.get(entry.getKey()); + if (wires == null) { + // this can happen when there are no client wires to a + // component that has a callback + continue; + } + for(JavaElementImpl element : entry.getValue()) { + Class<?> businessInterface = element.getType(); + ObjectFactory<?> factory = null; + if (ServiceReference.class.isAssignableFrom(element.getType())) { + businessInterface = + JavaIntrospectionHelper.getBusinessInterface(element.getType(), element.getGenericType()); + factory = + new CallbackReferenceObjectFactory(businessInterface, proxyFactory, wires); + } else { + factory = new CallbackWireObjectFactory(businessInterface, proxyFactory, wires); + } + if (!(element.getAnchor() instanceof Constructor)) { + callbackInjectionList.add(element); + } + instanceFactoryProvider.setObjectFactory(element, factory); + } + } + } + for (Reference ref : instanceFactoryProvider.getImplementation().getReferences()) { + JavaElementImpl element = + instanceFactoryProvider.getImplementation().getReferenceMembers().get(ref.getName()); + if (element != null) { + if (!(element.getAnchor() instanceof Constructor)) { + if(element.getElementType() == ElementType.FIELD) { + Field field = (Field)element.getAnchor(); + if(Modifier.isPublic(field.getModifiers())) { + instanceFactoryProvider.getInjectionSites().add(element); + } else if(field.getAnnotation(org.oasisopen.sca.annotation.Reference.class) != null) { + instanceFactoryProvider.getInjectionSites().add(element); + } + } else { + instanceFactoryProvider.getInjectionSites().add(element); + } + } + ComponentReference componentReference = null; + List<EndpointReference> wireList = null; + for (ComponentReference reference : component.getReferences()) { + if (reference.getName().equals(ref.getName())) { + wireList = ((RuntimeComponentReference)reference).getEndpointReferences(); + componentReference = reference; + break; + } + } + if (ref.getMultiplicity() == Multiplicity.ONE_N || ref.getMultiplicity() == Multiplicity.ZERO_N) { + List<ObjectFactory<?>> factories = new ArrayList<ObjectFactory<?>>(); + Class<?> baseType = + JavaIntrospectionHelper.getBaseType(element.getType(), element.getGenericType()); + for (int i = 0; i < wireList.size(); i++) { + ObjectFactory<?> factory = null; + if (ServiceReference.class.isAssignableFrom(baseType)) { + Type callableRefType = JavaIntrospectionHelper.getParameterType(element.getGenericType()); + // Type businessType = JavaIntrospectionHelper.getParameterType(callableRefType); + Class<?> businessInterface = + JavaIntrospectionHelper.getBusinessInterface(baseType, callableRefType); + factory = new CallableReferenceObjectFactory(businessInterface, (RuntimeEndpointReference) wireList.get(i)); + } else { + factory = createObjectFactory(baseType, wireList.get(i)); + } + factories.add(factory); + } + instanceFactoryProvider.setObjectFactories(element, factories); + JavaConstructorImpl<?> constructor = instanceFactoryProvider.getImplementation().getConstructor(); + for(JavaElementImpl p: constructor.getParameters()){ + if(element.getName().equals(p.getName())) { + instanceFactoryProvider.setObjectFactories(p, factories); + } + } + } else { + if (wireList == null && ref.getMultiplicity() == Multiplicity.ONE_ONE) { + throw new IllegalStateException("Required reference is missing: " + ref.getName()); + } + if (wireList != null && !wireList.isEmpty()) { + ObjectFactory<?> factory = null; + if (ServiceReference.class.isAssignableFrom(element.getType())) { + Class<?> businessInterface = + JavaIntrospectionHelper.getBusinessInterface(element.getType(), element + .getGenericType()); + factory = + new CallableReferenceObjectFactory(businessInterface, (RuntimeEndpointReference) wireList.get(0)); + } else { + factory = createObjectFactory(element.getType(), wireList.get(0)); + } + instanceFactoryProvider.setObjectFactory(element, factory); + JavaConstructorImpl<?> constructor = instanceFactoryProvider.getImplementation().getConstructor(); + for(JavaElementImpl p: constructor.getParameters()){ + if(element.getName().equals(p.getName())) { + instanceFactoryProvider.setObjectFactory(p, factory); + } + } + } + } + } + } + + //setUpPolicyHandlers(); + this.instanceFactory = instanceFactoryProvider.createFactory(); + + } + + void addResourceFactory(String name, ObjectFactory<?> factory) { + JavaResourceImpl resource = instanceFactoryProvider.getImplementation().getResources().get(name); + + if (resource != null && !(resource.getElement().getAnchor() instanceof Constructor)) { + instanceFactoryProvider.getInjectionSites().add(resource.getElement()); + } + + instanceFactoryProvider.setObjectFactory(resource.getElement(), factory); + } + + Object createInstance() throws ObjectCreationException { + return createInstanceWrapper().getInstance(); + } + + JavaInstanceFactoryProvider<?> getInstanceFactoryProvider() { + return instanceFactoryProvider; + } + + void stop() { + //cleanUpPolicyHandlers(); + } + + Invoker createInvoker(Operation operation, RuntimeComponentService service) throws NoSuchMethodException { + Class<?> implClass = instanceFactoryProvider.getImplementationClass(); + + Method method = JavaInterfaceUtil.findMethod(implClass, operation); + if (operation instanceof JavaOperation && + ((JavaOperation) operation).isAsyncServer() ) { + return new JavaAsyncImplementationInvoker(operation, method, component, service); + } else { + return new JavaImplementationInvoker(operation, method, component, service); + } // end if + } // end + + private static class OptimizedObjectFactory<T> implements ObjectFactory<T> { + private ScopeContainer scopeContainer; + + public OptimizedObjectFactory(ScopeContainer scopeContainer) { + super(); + this.scopeContainer = scopeContainer; + } + + public T getInstance() throws ObjectCreationException { + try { + return (T)scopeContainer.getWrapper(null).getInstance(); + } catch (TargetResolutionException e) { + throw new ObjectCreationException(e); + } + } + + } + + private <B> ObjectFactory<B> createObjectFactory(Class<B> interfaze, EndpointReference wire) { + // FIXME: [rfeng] Disable the optimization for new as it needs more discussions + /* + boolean conversational = wire.getSource().getInterfaceContract().getInterface().isConversational(); + Binding binding = wire.getSource().getBinding(); + // Check if it's wireable binding for optimization + if (!conversational && binding instanceof OptimizableBinding) { + OptimizableBinding optimizableBinding = (OptimizableBinding)binding; + Component component = optimizableBinding.getTargetComponent(); + if (component != null) { + Implementation implementation = component.getImplementation(); + // Check if the target component is java component + if (implementation instanceof JavaImplementation) { + JavaImplementation javaImplementation = (JavaImplementation)implementation; + if (interfaze.isAssignableFrom(javaImplementation.getJavaClass())) { + ScopedRuntimeComponent scopedComponent = (ScopedRuntimeComponent)component; + ScopeContainer scopeContainer = scopedComponent.getScopeContainer(); + Scope scope = scopeContainer.getScope(); + if (scope == Scope.COMPOSITE || scope == Scope.STATELESS || scope == Scope.SYSTEM) { + boolean optimizable = true; + for (InvocationChain chain : wire.getInvocationChains()) { + if (chain.getHeadInvoker() != chain.getTailInvoker()) { + optimizable = false; + break; + } + } + if (optimizable) { + return new OptimizedObjectFactory<B>(scopeContainer); + } + } + } + } + } + } + */ + return new WireObjectFactory<B>(interfaze, (RuntimeEndpointReference) wire, proxyFactory); + } + + private ObjectFactory<?> createPropertyValueFactory(ComponentProperty property, + Object propertyValue, + JavaElementImpl javaElement) { + return propertyValueFactory.createValueFactory(property, propertyValue, javaElement); + } + + /** + * @return the component + */ + RuntimeComponent getComponent() { + return component; + } + + /*private void setUpPolicyHandlers() { + for (PolicyHandler policyHandler : policyHandlers.values()) { + policyHandler.setUp(component.getImplementation()); + } + } + + private void cleanUpPolicyHandlers() { + for (PolicyHandler policyHandler : policyHandlers.values() ) { + policyHandler.cleanUp(this); + } + }*/ + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentNameFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentNameFactory.java new file mode 100644 index 0000000000..4a5ad98e5b --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaComponentNameFactory.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.sca.implementation.java.invocation; + +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.factory.ObjectFactory; + +/** + * @version $Rev$ $Date$ + */ +public class JavaComponentNameFactory implements ObjectFactory<String> { + private final JavaComponentContextProvider componentContextProvider; + + + public JavaComponentNameFactory(JavaComponentContextProvider component) { + this.componentContextProvider = component; + } + + + public String getInstance() throws ObjectCreationException { + String uri = componentContextProvider.getComponent().getURI(); + return uri.substring(uri.lastIndexOf('/')+1); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java new file mode 100644 index 0000000000..9ea50fce73 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java @@ -0,0 +1,317 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.implementation.java.invocation; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.security.AccessController; +import java.security.PrivilegedAction; +import java.util.ArrayList; +import java.util.List; + +import javax.xml.ws.Holder; + +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.core.factory.ObjectCreationException; +import org.apache.tuscany.sca.core.invocation.Constants; +import org.apache.tuscany.sca.core.scope.Scope; +import org.apache.tuscany.sca.core.scope.ScopeContainer; +import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.implementation.java.context.ReflectiveInstanceWrapper; +import org.apache.tuscany.sca.implementation.java.injection.Injector; +import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.ParameterMode; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil; +import org.apache.tuscany.sca.invocation.DataExchangeSemantics; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.oasisopen.sca.ServiceReference; +import org.oasisopen.sca.ServiceRuntimeException; + +/** + * Responsible for synchronously dispatching an invocation to a Java component + * implementation instance + * + * @version $Rev$ $Date$ + */ +public class JavaImplementationInvoker implements Invoker, DataExchangeSemantics { + protected Operation operation; + protected Method method; + protected RuntimeComponentService service; + protected boolean allowsPBR; + + @SuppressWarnings("unchecked") + protected final ScopeContainer scopeContainer; + private final InterfaceContract interfaze; + + public JavaImplementationInvoker(Operation operation, Method method, RuntimeComponent component, RuntimeComponentService service) { + assert method != null : "Operation method cannot be null"; + this.method = method; + this.operation = operation; + this.scopeContainer = ((ScopedRuntimeComponent)component).getScopeContainer(); + this.allowsPBR = ((JavaImplementation)component.getImplementation()).isAllowsPassByReference(method); + this.service = service; + this.interfaze = service.getInterfaceContract(); + } + + public JavaImplementationInvoker(Operation operation, RuntimeComponent component, RuntimeComponentService service) { + // used if the method can't be computed statically in advance + this.operation = operation; + this.scopeContainer = ((ScopedRuntimeComponent)component).getScopeContainer(); + this.service = service; + this.interfaze = service.getInterfaceContract(); + } + + @SuppressWarnings("unchecked") + public Message invoke(Message msg) { + + Operation op = msg.getOperation(); + if (op == null) { + op = this.operation; + } + Object payload = msg.getBody(); + + Object contextId = null; + + EndpointReference from = msg.getFrom(); + + // store the current thread context classloader + // as we need to replace it with the class loader + // used to load the java class as per SCA Spec + final ClassLoader tccl = AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { + public ClassLoader run() { + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + return tccl; + } + }); + + // TUSCANY-3946 - If the TCCL has not already been set to the contribution classloader earlier + // in the wire processing then + // set it so that the thread context classloader of the thread used to invoke an operation + // of a Java POJO component implementation is the class loader of the contribution + // used to load the POJO implementation class. + boolean swapTCCL = (msg.getHeaders().get(Constants.SUPPRESS_TCCL_SWAP) == null); + + try { + // The following call might create a new conversation, as a result, the msg.getConversationID() might + // return a new value + ReflectiveInstanceWrapper wrapper = (ReflectiveInstanceWrapper) scopeContainer.getWrapper(contextId); + + // If there is a callback interface and the implementation is stateless, we need to + // inject callbacks at invocation time. For Composite scope, this has already been done. + if (( interfaze.getCallbackInterface() != null ) && (scopeContainer.getScope().equals(Scope.STATELESS))){ + // TUSCANY-4000 - injectCallbacks needs the Java callback interface so get it + // from the component type just in case the user has specified a + // WSDL interface and hence interfaze is WSDL + injectCallbacks(wrapper, (JavaInterface)service.getService().getInterfaceContract().getCallbackInterface()); + } + + final Object instance = wrapper.getInstance(); + + // If the method couldn't be computed statically, or the instance being + // invoked is a user-specified callback object that doesn't implement + // the service interface from which the reflective method was obtained, + // compute the method object dynamically for this invocation. + Method imethod = method; + if (imethod == null || !imethod.getDeclaringClass().isInstance(instance)) { + try { + imethod = JavaInterfaceUtil.findMethod(instance.getClass(), operation); + } catch (NoSuchMethodException e) { + throw new IllegalArgumentException("Callback object does not provide method " + e.getMessage()); + } + } + + if (swapTCCL){ + AccessController.doPrivileged(new PrivilegedAction() { + public Object run() { + Thread.currentThread().setContextClassLoader(instance.getClass().getClassLoader()); + return null; + } + }); + } + + int argumentHolderCount = 0; + + // Holder pattern. Any payload parameters <T> which are should be in holders are placed in Holder<T>. + // Only check Holder for remotable interfaces + if (imethod != null && op.getInterface().isRemotable()) { + Object[] payloadArray = (Object[])payload; + List<Object> payloadList = new ArrayList<Object>(); + int nextIndex = 0; + for (ParameterMode mode : op.getParameterModes()) { + if (mode.equals(ParameterMode.IN)) { + payloadList.add(payloadArray[nextIndex++]); + } else if (mode.equals(ParameterMode.INOUT)) { + // Promote array params from [<T>] to [Holder<T>] + Object item = payloadArray[nextIndex++]; + Holder itemHolder = new Holder(item); + payloadList.add(itemHolder); + argumentHolderCount++; + } else { + // Create an empty Holder since we should not pass values for OUT parameters + payloadList.add(new Holder()); + argumentHolderCount++; + } + } + + // Maybe a bit odd to do but this way I don't have to worry about how the invoke if/else + // immediately following might need to be changed. + payload = payloadList.toArray(); + } + + Object ret; + if (payload != null && !payload.getClass().isArray()) { + ret = imethod.invoke(instance, payload); + } else { + ret = imethod.invoke(instance, (Object[])payload); + } + + scopeContainer.returnWrapper(wrapper, contextId); + + + if (argumentHolderCount > 0) { + + // Holder pattern. Any payload Holder<T> types are returned as part of the message body. + Object[] payloadArray = (Object[])payload; + + ArrayList<Object> holderOutputs = new ArrayList<Object>(); + ArrayList<Object> result = new ArrayList<Object>(); + if (imethod != null) { + + for (int i = 0, size = op.getParameterModes().size(); i < size; i++) { + if (ParameterMode.IN != op.getParameterModes().get(i)) { + // Demote array params from Holder<T> to <T>. + Holder<Object> item = (Holder<Object>)payloadArray[i]; + payloadArray[i] = item.value; + holderOutputs.add(payloadArray[i]); + } + } + + // + // Now we account for the fact that we may have a null because of a void return type, + // which is not part of the output DataType, and so should not be returned with the array + // of outputs, or we may have a null as value returned + // from a method with signature with return type other than void, which should be returned + // in the output array. + // + // The logic here is if we already have as many outputs in holders as we have outputs + // altogether, then we don't worry about the return value (which should be null). Might + // be simpler to just check for void, but the code in the Java introspector has a lot + // of quirks for handling parameterized types, and this seems simpler for now. + // + int holderOutputSize = holderOutputs.size(); + int numberOperationOutputs = op.getOutputType().getLogical().size(); + if (holderOutputSize == numberOperationOutputs) { + if (ret != null) { + throw new IllegalStateException("Number of holder outputs equal to number of operations outputs." + + "\nNum = " + holderOutputSize + ", but non-null return value seen: " + ret); + } + result = holderOutputs; + } else if (holderOutputSize == numberOperationOutputs - 1) { + result.add(ret); + result.addAll(1, holderOutputs); + } else { + throw new IllegalStateException("Number of holder outputs seen: " + holderOutputSize + + "\nNumber of operation outputs: " + numberOperationOutputs); + } + } + + msg.setBody(result.toArray()); + + } else { + msg.setBody(ret); + } + } catch (InvocationTargetException e) { + Throwable cause = e.getTargetException(); + boolean isChecked = false; + for (DataType<?> d : operation.getFaultTypes()) { + if (d.getPhysical().isInstance(cause)) { + isChecked = true; + msg.setFaultBody(cause); + break; + } + } + if (!isChecked) { + if (cause instanceof RuntimeException) { + throw (RuntimeException)cause; + } + if (cause instanceof Error) { + throw (Error)cause; + } else { + throw new ServiceRuntimeException(cause.getMessage(), cause); + } + } + + } catch (ObjectCreationException e) { + throw new ServiceRuntimeException(e.getMessage(), e); + } catch (Exception e) { + msg.setFaultBody(e); + } finally { + // reset the tccl if it was replaced above + // with the contribution classloader + if (swapTCCL){ + AccessController.doPrivileged(new PrivilegedAction() { + public Object run() { + Thread.currentThread().setContextClassLoader(tccl); + return null; + } + }); + } + } + return msg; + } + + private void injectCallbacks(ReflectiveInstanceWrapper wrapper, + JavaInterface callbackInterface) { + + for (Injector injector : wrapper.getCallbackInjectors()) { + if (injector != null) { + try { + if (ServiceReference.class.isAssignableFrom(injector.getType())) { + Class<?> intf = JavaIntrospectionHelper.getBusinessInterface(injector.getType(), injector.getGenericType()); + if ( intf.isAssignableFrom(callbackInterface.getJavaClass())) { + injector.inject(wrapper.getInstance()); + } + } else if (injector.getType().isAssignableFrom(callbackInterface.getJavaClass())) { + injector.inject(wrapper.getInstance()); + } else { + injector.injectNull(wrapper.getInstance()); + } + } catch (Exception e) { + throw new ObjectCreationException("Exception invoking injector - " + e.getMessage(), e); + } + } + } + + } + + @Override + public boolean allowsPassByReference() { + return allowsPBR; + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationProvider.java new file mode 100644 index 0000000000..19affac368 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationProvider.java @@ -0,0 +1,183 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.implementation.java.invocation; + +import java.lang.reflect.Method; + +import org.apache.tuscany.sca.context.ComponentContextFactory; +import org.apache.tuscany.sca.context.PropertyValueFactory; +import org.apache.tuscany.sca.context.RequestContextFactory; +import org.apache.tuscany.sca.core.factory.InstanceWrapper; +import org.apache.tuscany.sca.core.factory.ObjectFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.core.scope.Scope; +import org.apache.tuscany.sca.core.scope.ScopedImplementationProvider; +import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.implementation.java.JavaResourceImpl; +import org.apache.tuscany.sca.implementation.java.ResourceHost; +import org.apache.tuscany.sca.implementation.java.injection.RequestContextObjectFactory; +import org.apache.tuscany.sca.implementation.java.injection.ResourceObjectFactory; +import org.apache.tuscany.sca.interfacedef.Interface; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.InvokerAsyncRequest; +import org.apache.tuscany.sca.invocation.InvokerAsyncResponse; +import org.apache.tuscany.sca.provider.ImplementationAsyncProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.oasisopen.sca.ComponentContext; +import org.oasisopen.sca.RequestContext; + +/** + * @version $Rev$ $Date$ + */ +public class JavaImplementationProvider implements ScopedImplementationProvider, ImplementationAsyncProvider { + private JavaImplementation implementation; + private JavaComponentContextProvider componentContextProvider; + private RequestContextFactory requestContextFactory; + private Scope scope; + + public JavaImplementationProvider(RuntimeComponent component, + JavaImplementation implementation, + ProxyFactory proxyService, + DataBindingExtensionPoint dataBindingRegistry, + PropertyValueFactory propertyValueObjectFactory, + ComponentContextFactory componentContextFactory, + RequestContextFactory requestContextFactory) { + super(); + this.implementation = implementation; + this.requestContextFactory = requestContextFactory; + + try { + JavaInstanceFactoryProvider configuration = new JavaInstanceFactoryProvider(implementation); + configuration.setProxyFactory(proxyService); + componentContextProvider = + new JavaComponentContextProvider(component, + configuration, + dataBindingRegistry, + propertyValueObjectFactory, + componentContextFactory, + requestContextFactory); + + this.scope = new Scope(implementation.getJavaScope().getScope()); + componentContextProvider.configureProperties(component.getProperties()); + handleResources(implementation, proxyService); + } catch (Exception e) { + throw new IllegalStateException(e); + } + + } + + private void handleResources(JavaImplementation componentType, ProxyFactory proxyService) { + for (JavaResourceImpl resource : componentType.getResources().values()) { + String name = resource.getName(); + + ObjectFactory<?> objectFactory = + (ObjectFactory<?>)componentContextProvider.getInstanceFactoryProvider().getFactories().get(resource.getElement()); + if (objectFactory == null) { + Class<?> type = resource.getElement().getType(); + if (ComponentContext.class.isAssignableFrom(type)) { + objectFactory = new JavaComponentContextFactory(componentContextProvider); + } else if (RequestContext.class.equals(type)) { + objectFactory = new RequestContextObjectFactory(requestContextFactory, componentContextProvider.getComponent()); + } else if (String.class.equals(type)) { + objectFactory = new JavaComponentNameFactory(componentContextProvider); + } else { + boolean optional = resource.isOptional(); + String mappedName = resource.getMappedName(); + ResourceHost resourceHost = resource.getResourceHost(); + objectFactory = createResourceObjectFactory(type, mappedName, optional, resourceHost); + } + } + componentContextProvider.addResourceFactory(name, objectFactory); + } + } + + private <T> ResourceObjectFactory<T> createResourceObjectFactory(Class<T> type, + String mappedName, + boolean optional, + ResourceHost host) { + return new ResourceObjectFactory<T>(type, mappedName, optional, host); + } + + public Invoker createInvoker(RuntimeComponentService service, Operation operation) { + try { + return componentContextProvider.createInvoker(operation, service); + } catch (NoSuchMethodException e) { + // It's possible that the instance being invoked is a user-specified + // callback object that isn't an instance of the component implementation + // class. As an attempt to deal with this, look up a method object from + // the service interface. This isn't foolproof, as it's possible that + // the service interface isn't a Java interface, or that the callback + // object has the right method signature without implementing the + // callback interface. There is code in JavaImplementationInvoker + // to deal with these possibilities. + Interface iface = service.getInterfaceContract().getInterface(); + if (iface instanceof JavaInterface) { + try { + Method method = JavaInterfaceUtil.findMethod(((JavaInterface)iface).getJavaClass(), operation); + return new JavaImplementationInvoker(operation, method, componentContextProvider.getComponent(), service); + } catch (NoSuchMethodException e1) { + throw new IllegalArgumentException(e1); + } + } else { + return new JavaImplementationInvoker(operation, componentContextProvider.getComponent(), service); + } + } + } + + public boolean supportsOneWayInvocation() { + return false; + } + + public Scope getScope() { + return scope; + } + + public void start() { + componentContextProvider.start(); + } + + public void stop() { + componentContextProvider.stop(); + } + + public InstanceWrapper<?> createInstanceWrapper() { + return componentContextProvider.createInstanceWrapper(); + } + + public boolean isEagerInit() { + return implementation.isEagerInit(); + } + + public InvokerAsyncRequest createAsyncInvoker(RuntimeComponentService service, Operation operation) { + // createInvoker should automatically create a JavaAsyncImplementationInvoker - if not, then it means + // that the service is not async and the result will be an exception caused by the class cast. + return (InvokerAsyncRequest) createInvoker( service, operation ); + } // end method createAsyncInvoker + + public InvokerAsyncResponse createAsyncResponseInvoker(Operation operation) { + return new JavaAsyncResponseInvokerImpl(); + } // end method createAsyncResponseInvoker + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationProviderFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationProviderFactory.java new file mode 100644 index 0000000000..b59966a39e --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationProviderFactory.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.sca.implementation.java.invocation; + +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.context.ComponentContextFactory; +import org.apache.tuscany.sca.context.ContextFactoryExtensionPoint; +import org.apache.tuscany.sca.context.PropertyValueFactory; +import org.apache.tuscany.sca.context.RequestContextFactory; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.invocation.CglibProxyFactory; +import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint; +import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.provider.ImplementationProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * @version $Rev$ $Date$ + */ +public class JavaImplementationProviderFactory implements ImplementationProviderFactory<JavaImplementation> { + private static final Logger logger = Logger.getLogger(JavaImplementationProviderFactory.class.getName()); + private PropertyValueFactory propertyValueFactory; + private DataBindingExtensionPoint databindings; + private ProxyFactory proxyFactory; + private ComponentContextFactory componentContextFactory; + private RequestContextFactory requestContextFactory; + + public JavaImplementationProviderFactory(ExtensionPointRegistry registry) { + FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class); + MessageFactory messageFactory = factories.getFactory(MessageFactory.class); + + UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); + InterfaceContractMapper interfaceContractMapper = utilities.getUtility(InterfaceContractMapper.class); + + ProxyFactoryExtensionPoint proxyFactories = registry.getExtensionPoint(ProxyFactoryExtensionPoint.class); + try { + proxyFactories.setClassProxyFactory(new CglibProxyFactory(messageFactory, interfaceContractMapper)); + } catch (NoClassDefFoundError e) { + logger.log(Level.WARNING, "Class-based proxy is not supported", e); + } + + databindings = registry.getExtensionPoint(DataBindingExtensionPoint.class); + propertyValueFactory = factories.getFactory(PropertyValueFactory.class); + + ContextFactoryExtensionPoint contextFactories = registry.getExtensionPoint(ContextFactoryExtensionPoint.class); + componentContextFactory = contextFactories.getFactory(ComponentContextFactory.class); + requestContextFactory = contextFactories.getFactory(RequestContextFactory.class); + + proxyFactory = ExtensibleProxyFactory.getInstance(registry); + } + + /* + public JavaImplementationProviderFactory(ProxyFactory proxyService, + DataBindingExtensionPoint dataBindingRegistry, + PropertyValueFactory propertyValueObjectFactory, + ComponentContextFactory componentContextFactory, + RequestContextFactory requestContextFactory) { + super(); + this.proxyFactory = proxyService; + this.databindings = dataBindingRegistry; + this.propertyValueFactory = propertyValueObjectFactory; + this.componentContextFactory = componentContextFactory; + this.requestContextFactory = requestContextFactory; + } + */ + + public ImplementationProvider createImplementationProvider(RuntimeComponent component, + JavaImplementation implementation) { + return new JavaImplementationProvider(component, + implementation, + proxyFactory, + databindings, + propertyValueFactory, + componentContextFactory, + requestContextFactory); + } + + public Class<JavaImplementation> getModelType() { + return JavaImplementation.class; + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java new file mode 100644 index 0000000000..e89b618cfe --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java @@ -0,0 +1,204 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.implementation.java.invocation; + +import java.lang.annotation.ElementType; +import java.lang.reflect.Constructor; +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.sca.core.factory.ObjectFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.implementation.java.JavaConstructorImpl; +import org.apache.tuscany.sca.implementation.java.JavaElementImpl; +import org.apache.tuscany.sca.implementation.java.JavaImplementation; +import org.apache.tuscany.sca.implementation.java.context.InstanceFactory; +import org.apache.tuscany.sca.implementation.java.context.InstanceFactoryProvider; +import org.apache.tuscany.sca.implementation.java.context.ReflectiveInstanceFactory; +import org.apache.tuscany.sca.implementation.java.injection.ArrayMultiplicityObjectFactory; +import org.apache.tuscany.sca.implementation.java.injection.FieldInjector; +import org.apache.tuscany.sca.implementation.java.injection.Injector; +import org.apache.tuscany.sca.implementation.java.injection.InvalidAccessorException; +import org.apache.tuscany.sca.implementation.java.injection.ListMultiplicityObjectFactory; +import org.apache.tuscany.sca.implementation.java.injection.MethodInjector; +import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper; + +/** + * Encapsulates configuration for a Java-based atomic component + * + * @version $Rev$ $Date$ + */ +public class JavaInstanceFactoryProvider<T> implements InstanceFactoryProvider<T> { + private JavaImplementation definition; + private ProxyFactory proxyService; + + private final List<JavaElementImpl> injectionSites; + private final EventInvoker<T> initInvoker; + private final EventInvoker<T> destroyInvoker; + private final Map<JavaElementImpl, Object> factories = new HashMap<JavaElementImpl, Object>(); + private final List<JavaElementImpl> callbackInjectionSites; + + public JavaInstanceFactoryProvider(JavaImplementation definition) { + this.definition = definition; + this.initInvoker = definition.getInitMethod() == null ? null : new MethodEventInvoker<T>(definition + .getInitMethod()); + this.destroyInvoker = definition.getDestroyMethod() == null ? null : new MethodEventInvoker<T>(definition + .getDestroyMethod()); + injectionSites = new ArrayList<JavaElementImpl>(); + callbackInjectionSites = new ArrayList<JavaElementImpl>(); + } + + ProxyFactory getProxyFactory() { + return proxyService; + } + + void setProxyFactory(ProxyFactory proxyService) { + this.proxyService = proxyService; + } + + /** + * @return the definition + */ + JavaImplementation getImplementation() { + return definition; + } + + @SuppressWarnings("unchecked") + public InstanceFactory<T> createFactory() { + ObjectFactory<?>[] initArgs = getConstructorArgs(); + Injector<T>[] injectors = getInjectors(false); + Injector<T>[] callbackInjectors = getInjectors(true); + return new ReflectiveInstanceFactory<T>((Constructor<T>)definition.getConstructor().getConstructor(), + initArgs, injectors, callbackInjectors, initInvoker, destroyInvoker); + } + + + + private ObjectFactory<?>[] getConstructorArgs() { + JavaConstructorImpl<?> constructor = definition.getConstructor(); + ObjectFactory<?>[] initArgs = new ObjectFactory<?>[constructor.getParameters().length]; + for (int i = 0; i < initArgs.length; i++) { + ObjectFactory<?> factory = (ObjectFactory<?>)factories.get(constructor.getParameters()[i]); + assert factory != null; + initArgs[i] = factory; + } + return initArgs; + } + + + + @SuppressWarnings("unchecked") + private Injector<T>[] getInjectors(boolean callback) { + List<JavaElementImpl> sites = null; + if ( callback ) + sites = callbackInjectionSites; + else + sites = injectionSites; + + // work around JDK1.5 issue with allocating generic arrays + Injector<T>[] injectors = new Injector[sites.size()]; + + int i = 0; + for (JavaElementImpl element : sites) { + Object obj = factories.get(element); + if (obj != null) { + if (obj instanceof ObjectFactory) { + ObjectFactory<?> factory = (ObjectFactory<?>)obj; + Member member = (Member)element.getAnchor(); + if (element.getElementType() == ElementType.FIELD) { + injectors[i++] = new FieldInjector<T>((Field)member, factory); + } else if (element.getElementType() == ElementType.PARAMETER && member instanceof Method) { + injectors[i++] = new MethodInjector<T>((Method)member, factory); + } else if (member instanceof Constructor) { + // Ignore + } else { + throw new AssertionError(String.valueOf(element)); + } + } else { + injectors[i++] = createMultiplicityInjector(element, (List<ObjectFactory<?>>)obj); + } + } + } + return injectors; + } + + private Injector<T> createMultiplicityInjector(JavaElementImpl element, List<ObjectFactory<?>> factories) { + Class<?> interfaceType = JavaIntrospectionHelper.getBaseType(element.getType(), element.getGenericType()); + + if (element.getAnchor() instanceof Field) { + Field field = (Field)element.getAnchor(); + if (field.getType().isArray()) { + return new FieldInjector<T>(field, new ArrayMultiplicityObjectFactory(interfaceType, factories)); + } else { + return new FieldInjector<T>(field, new ListMultiplicityObjectFactory(factories, field.getType())); + } + } else if (element.getAnchor() instanceof Method) { + Method method = (Method)element.getAnchor(); + if (method.getParameterTypes()[0].isArray()) { + return new MethodInjector<T>(method, new ArrayMultiplicityObjectFactory(interfaceType, factories)); + } else { + return new MethodInjector<T>(method, new ListMultiplicityObjectFactory(factories, method.getParameterTypes()[0])); + } + } else { + throw new InvalidAccessorException("Member must be a field or method: " + element.getName()); + } + } + + @SuppressWarnings("unchecked") + public Class<T> getImplementationClass() { + return (Class<T>)definition.getJavaClass(); + } + + public void setObjectFactory(JavaElementImpl element, ObjectFactory<?> objectFactory) { + factories.put(element, objectFactory); + } + + public void setObjectFactories(JavaElementImpl element, List<ObjectFactory<?>> objectFactory) { + factories.put(element, objectFactory); + } + + /** + * @return the injectionSites + */ + List<JavaElementImpl> getInjectionSites() { + return injectionSites; + } + + /** + * @return the callbackInjectionSites + */ + public List<JavaElementImpl> getCallbackInjectionSites() { + return callbackInjectionSites; + } + + /** + * @return the factories + */ + Map<JavaElementImpl, Object> getFactories() { + return factories; + } + + + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/MethodEventInvoker.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/MethodEventInvoker.java new file mode 100644 index 0000000000..515a7c8a43 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/MethodEventInvoker.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.sca.implementation.java.invocation; + +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; + + /** + * Instantiates an invoker for the given method + */ + public MethodEventInvoker(Method method) { + assert method != null; + this.method = method; + } + + public void invokeEvent(T instance) throws EventInvocationException { + try { + method.invoke(instance, (Object[]) null); + } catch (IllegalArgumentException e) { + String name = method.getName(); + throw new EventInvocationException("Exception thrown by event method [" + name + "]", e.getCause()); + } catch (IllegalAccessException e) { + String name = method.getName(); + throw new EventInvocationException("Method is not accessible [" + name + "]"); + } catch (InvocationTargetException e) { + String name = method.getName(); + throw new EventInvocationException("Exception thrown by event method [" + name + "]", e.getCause()); + } + } + +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/NoConversationalContractException.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/NoConversationalContractException.java new file mode 100644 index 0000000000..dbc5c6b640 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/NoConversationalContractException.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.sca.implementation.java.invocation; + + +/** + * Raised when a component has conversational scope but no conversational contract + * + * @version $Rev$ $Date$ + */ +public class NoConversationalContractException extends Exception { + private static final long serialVersionUID = -1157790036638157539L; + + public NoConversationalContractException(String message) { + super(message); + } +} diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/ResponseDispatchImpl.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/ResponseDispatchImpl.java new file mode 100644 index 0000000000..343682d8b1 --- /dev/null +++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/ResponseDispatchImpl.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.sca.implementation.java.invocation; + +import java.io.Serializable; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.concurrent.locks.Condition; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantLock; + +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.context.CompositeContext; +import org.apache.tuscany.sca.context.ThreadMessageContext; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.factory.ObjectFactory; +import org.apache.tuscany.sca.core.invocation.AsyncFaultWrapper; +import org.apache.tuscany.sca.core.invocation.AsyncResponseHandler; +import org.apache.tuscany.sca.core.invocation.AsyncResponseInvoker; +import org.apache.tuscany.sca.core.invocation.CallbackReferenceObjectFactory; +import org.apache.tuscany.sca.core.invocation.Constants; +import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; +import org.oasisopen.sca.ResponseDispatch; +import org.oasisopen.sca.ServiceReference; +import org.oasisopen.sca.ServiceRuntimeException; + +/** + * Implementation of the ResponseDispatch interface of the OASIS SCA Java API + * + * This is used for invocations of asynchronous services, where it is passed as a parameter on async service operations + * and it provides the path by which the service implementation returns the response to the request, or a Fault + * + * Note that this class is serializable and can be serialized, stored and deserialized by the service implementation + * + * @param <T> - type of the response message + */ +public class ResponseDispatchImpl<T> implements ResponseDispatch<T>, Serializable { + + /** + * Generated serialVersionUID value + */ + private static final long serialVersionUID = 300158355992568592L; + + // A latch used to ensure that the sendResponse() and sendFault() operations are used at most once + // The latch is initialized with the value "false" + private AtomicBoolean latch = new AtomicBoolean(); + + private final Lock lock = new ReentrantLock(); + private final Condition completed = lock.newCondition(); + + // The result + private transient volatile T response = null; + private transient volatile Throwable fault = null; + + private transient ExtensionPointRegistry registry; + private MessageFactory msgFactory; + + // Service Reference used for the callback + private volatile ServiceReference<AsyncResponseHandler<?>> callbackRef; + private AsyncResponseInvoker<?> respInvoker; + private String messageID; + + /** + * No-arg constructor for serialization purposes + */ + public ResponseDispatchImpl() { + super(); + } // end constructor + + public ResponseDispatchImpl( Message msg ) { + super(); + + respInvoker = (AsyncResponseInvoker<?>)msg.getHeaders().get(Constants.ASYNC_RESPONSE_INVOKER); + //if( respInvoker == null ) throw new ServiceRuntimeException("Async Implementation invoked with no response invoker"); + + if( respInvoker == null ) { + callbackRef = getAsyncCallbackRef( msg ); + } // end if + + messageID = (String) msg.getHeaders().get(Constants.MESSAGE_ID); + + } // end constructor + + public static <T> ResponseDispatchImpl<T> newInstance( Class<T> type, Message msg ) { + return new ResponseDispatchImpl<T>( msg ); + } + + /** + * Provide Context data for this ResponseDispatch that the service implementation can use + */ + public Map<String, Object> getContext() { + return null; + } + + /** + * Send a Fault. Must only be invoked once for this ResponseDispatch object + * @param e - the Fault to send + * @throws IllegalStateException if either the sendResponse method or the sendFault method have been called previously + */ + public void sendFault(Throwable e) { + if( sendOK() ) { + lock.lock(); + try { + fault = e; + completed.signalAll(); + } finally { + lock.unlock(); + } // end try + } else { + throw new IllegalStateException("sendResponse() or sendFault() has been called previously"); + } // end if + + // Use response invoker if present + if( respInvoker != null ) { + //respInvoker.invokeAsyncResponse(new AsyncFaultWrapper(e)); + respInvoker.invokeAsyncResponse(e, null); + return; + } // end if + + // Now dispatch the response to the callback... + AsyncResponseHandler<T> handler = (AsyncResponseHandler<T>) callbackRef.getService(); + setResponseHeaders(); + handler.setWrappedFault(new AsyncFaultWrapper(e)); + } // end method sendFault + + /** + * Send the response message. Must only be invoked once for this ResponseDispatch object + * @throws IllegalStateException if either the sendResponse method or the sendFault method have been called previously + * @param res - the response message, which is of type T + */ + @SuppressWarnings("unchecked") + public void sendResponse(T res) { + if( sendOK() ) { + lock.lock(); + try { + response = res; + completed.signalAll(); + } finally { + lock.unlock(); + } // end try + } else { + throw new IllegalStateException("sendResponse() or sendFault() has been called previously"); + } // end if + + // Now dispatch the response to the callback, if present... + if( callbackRef != null ) { + AsyncResponseHandler<T> handler = (AsyncResponseHandler<T>) callbackRef.getService(); + setResponseHeaders(); + handler.setResponse(res); + } // end if + + // Use response invoker if present + if( respInvoker != null ) { + respInvoker.invokeAsyncResponse(res, null); + return; + } // end if + } // end method sendResponse + + public T get(long timeout, TimeUnit unit) throws Throwable { + lock.lock(); + try { + // wait for result to be available + if( response == null && fault == null ) completed.await( timeout, unit); + if( response != null ) return response; + if( fault != null ) throw fault; + } finally { + lock.unlock(); + } // end try + + return null; + } // end method get + + /** + * Indicates that sending a response is OK - this is a transactional + * query in that it also updates the state of this ResponseDispatch, so + * that it will return true once and once only + * @return - true if it is OK to send the response, false otherwise + */ + private boolean sendOK() { + return latch.compareAndSet(false, true); + } + + /** + * Creates a service reference for the async callback, based on information contained in the supplied message + * @param msg - the incoming message + * @return - a CallBackServiceReference + */ + @SuppressWarnings("unchecked") + private ServiceReference<AsyncResponseHandler<?>> getAsyncCallbackRef( Message msg ) { + RuntimeEndpointReference callbackEPR = (RuntimeEndpointReference) msg.getHeaders().get(Constants.ASYNC_CALLBACK); + if( callbackEPR == null ) return null; + + CompositeContext compositeContext = callbackEPR.getCompositeContext(); + registry = compositeContext.getExtensionPointRegistry(); + ProxyFactory proxyFactory = ExtensibleProxyFactory.getInstance(registry); + msgFactory = getMessageFactory(); + List<EndpointReference> eprList = new ArrayList<EndpointReference>(); + eprList.add(callbackEPR); + ObjectFactory<?> factory = new CallbackReferenceObjectFactory(AsyncResponseHandler.class, proxyFactory, eprList); + + return (ServiceReference<AsyncResponseHandler<?>>) factory.getInstance(); + + } // end method getAsyncCallbackEPR + + /** + * Sets the values of various headers in the response message + */ + private void setResponseHeaders() { + // Is there an existing message context? + Message msgContext = ThreadMessageContext.getMessageContext(); + if( msgContext == null ) { + // Create a message context + msgContext = msgFactory.createMessage(); + } // end if + + // Add in the header for the RelatesTo Message ID + msgContext.getHeaders().put(Constants.RELATES_TO, messageID); + + ThreadMessageContext.setMessageContext(msgContext); + } // end method setResponseHeaders + + private MessageFactory getMessageFactory() { + FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class); + return modelFactories.getFactory(MessageFactory.class); + } // end method getMessageFactory +} |