diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-M5.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/sca-java-2.x/tags/2.0-M5.1-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-M5.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java deleted file mode 100644 index 7fcfaad615..0000000000 --- a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaInstanceFactoryProvider.java +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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>(); - - 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>(); - } - - 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(); - return new ReflectiveInstanceFactory<T>((Constructor<T>)definition.getConstructor().getConstructor(), - initArgs, injectors, 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() { - // work around JDK1.5 issue with allocating generic arrays - Injector<T>[] injectors = new Injector[injectionSites.size()]; - - int i = 0; - for (JavaElementImpl element : injectionSites) { - 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)); - } - } 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)); - } - } 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 factories - */ - Map<JavaElementImpl, Object> getFactories() { - return factories; - } - -} |