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-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.spring;
-
-import java.util.List;
-import java.util.Iterator;
-
-import org.apache.tuscany.sca.core.invocation.ProxyFactory;
-import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory;
-import org.apache.tuscany.sca.interfacedef.Operation;
-import org.apache.tuscany.sca.invocation.Invoker;
-import org.apache.tuscany.sca.policy.util.PolicyHandlerTuple;
-import org.apache.tuscany.sca.provider.ImplementationProvider;
-import org.apache.tuscany.sca.runtime.RuntimeComponent;
-import org.apache.tuscany.sca.runtime.RuntimeComponentService;
-import org.springframework.beans.factory.xml.XmlBeanFactory;
-import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
-import org.springframework.context.support.AbstractApplicationContext;
-import org.springframework.context.support.GenericApplicationContext;
-import org.springframework.context.support.ClassPathXmlApplicationContext;
-import org.springframework.context.support.FileSystemXmlApplicationContext;
-import org.apache.tuscany.sca.implementation.spring.processor.InitDestroyAnnotationProcessor;
-import org.apache.tuscany.sca.implementation.spring.processor.ReferenceAnnotationProcessor;
-import org.apache.tuscany.sca.implementation.spring.processor.PropertyAnnotationProcessor;
-import org.apache.tuscany.sca.implementation.spring.processor.ConstructorAnnotationProcessor;
-import org.apache.tuscany.sca.implementation.spring.processor.ComponentNameAnnotationProcessor;
-import org.springframework.beans.factory.config.BeanPostProcessor;
-import org.springframework.beans.factory.config.BeanDefinition;
-import org.springframework.beans.factory.config.ConstructorArgumentValues;
-import org.springframework.beans.factory.config.TypedStringValue;
-import org.springframework.beans.factory.support.ManagedList;
-
-/**
- * A provider class for runtime Spring implementation instances
- * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $
- */
-public class SpringImplementationProvider implements ImplementationProvider {
- private RuntimeComponent component;
-
- // A Spring application context object
- private AbstractApplicationContext springContext;
-
- private SpringImplementation implementation;
-
- private JavaPropertyValueObjectFactory propertyValueObjectFactory;
-
- /**
- * Constructor for the provider - takes a component definition and a Spring implementation
- * description
- * @param component - the component in the assembly
- * @param implementation - the implementation
- */
- public SpringImplementationProvider(RuntimeComponent component,
- SpringImplementation implementation,
- ProxyFactory proxyService,
- JavaPropertyValueObjectFactory propertyValueObjectFactory,
- List<PolicyHandlerTuple> policyHandlerClassNames) {
- super();
- this.implementation = implementation;
- this.component = component;
- this.propertyValueObjectFactory = propertyValueObjectFactory;
- this.implementation.setPolicyHandlerClassNames(policyHandlerClassNames);
-
- SCAParentApplicationContext scaParentContext =
- new SCAParentApplicationContext(component, implementation, proxyService, propertyValueObjectFactory);
- //springContext = new SCAApplicationContext(scaParentContext, implementation.getResource());
-
- XmlBeanFactory beanFactory = new XmlBeanFactory(implementation.getResource());
- springContext = createApplicationContext(beanFactory, scaParentContext);
-
- } // end constructor
-
- public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
- return new SpringInvoker(component, springContext, service, operation);
- }
-
- public boolean supportsOneWayInvocation() {
- return false;
- }
-
- /**
- * Start this Spring implementation instance
- */
- public void start() {
- // Do refresh here to ensure that Spring Beans are not touched before the SCA config process
- // is complete...
- springContext.refresh();
- springContext.start();
- // System.out.println("SpringImplementationProvider: Spring context started");
- } // end method start()
-
- /**
- * Stop this implementation instance
- */
- public void stop() {
- // TODO - complete
- springContext.close();
- if (springContext instanceof GenericApplicationContext)
- springContext.stop();
- //System.out.println("SpringImplementationProvider: Spring context stopped");
- } // end method stop
-
-
- /**
- * Include BeanPostProcessor to deal with SCA Annotations in Spring Bean
- */
- private void includeAnnotationProcessors(ConfigurableListableBeanFactory beanFactory) {
-
- // Processor to deal with @Init and @Destroy SCA Annotations
- BeanPostProcessor initDestroyProcessor = new InitDestroyAnnotationProcessor();
- beanFactory.addBeanPostProcessor(initDestroyProcessor);
-
- // Processor to deal with @Reference SCA Annotations
- BeanPostProcessor referenceProcessor = new ReferenceAnnotationProcessor(component);
- beanFactory.addBeanPostProcessor(referenceProcessor);
-
- // Processor to deal with @Property SCA Annotations
- BeanPostProcessor propertyProcessor = new PropertyAnnotationProcessor(propertyValueObjectFactory, component);
- beanFactory.addBeanPostProcessor(propertyProcessor);
-
- // Processor to deal with @ComponentName SCA Annotations
- BeanPostProcessor componentNameProcessor = new ComponentNameAnnotationProcessor(component);
- beanFactory.addBeanPostProcessor(componentNameProcessor);
-
- // Processor to deal with @Constructor SCA Annotations
- BeanPostProcessor constructorProcessor = new ConstructorAnnotationProcessor();
- beanFactory.addBeanPostProcessor(constructorProcessor);
- }
-
-
- /**
- * Include BeanPostProcessor to deal with SCA Annotations in Spring Bean
- */
- private AbstractApplicationContext createApplicationContext(XmlBeanFactory beanFactory,
- SCAParentApplicationContext scaParentContext) {
- AbstractApplicationContext appContext = null;
-
- for (String bean : beanFactory.getBeanDefinitionNames()) {
- String beanClassName = (beanFactory.getType(bean)).getName();
- if (beanClassName.indexOf(".ClassPathXmlApplicationContext") != -1 ||
- beanClassName.indexOf(".FileSystemXmlApplicationContext") != -1)
- {
- BeanDefinition beanDef = beanFactory.getBeanDefinition(bean);
- String[] listValues = null;
- List<ConstructorArgumentValues.ValueHolder> conArgs =
- beanDef.getConstructorArgumentValues().getGenericArgumentValues();
- for (ConstructorArgumentValues.ValueHolder conArg : conArgs) {
- if (conArg.getValue() instanceof TypedStringValue) {
- TypedStringValue value = (TypedStringValue) conArg.getValue();
- if (value.getValue().indexOf(".xml") != -1)
- listValues = new String[]{value.getValue()};
- }
- if (conArg.getValue() instanceof ManagedList) {
- Iterator itml = ((ManagedList)conArg.getValue()).iterator();
- StringBuffer values = new StringBuffer();
- while (itml.hasNext()) {
- TypedStringValue next = (TypedStringValue)itml.next();
- if (next.getValue().indexOf(".xml") != -1) {
- values.append(next.getValue());
- values.append("~");
- }
- }
- listValues = (values.toString()).split("~");
- }
- }
-
- if (beanClassName.indexOf(".ClassPathXmlApplicationContext") != -1) {
- appContext = new ClassPathXmlApplicationContext(listValues, false, scaParentContext);
- //includeAnnotationProcessors(appContext.getBeanFactory());
- return appContext;
- } else {
- appContext = new FileSystemXmlApplicationContext(listValues, false, scaParentContext);
- //includeAnnotationProcessors(appContext.getBeanFactory());
- return appContext;
- }
- }
- }
-
- // use the generic application context as default
- includeAnnotationProcessors(beanFactory);
- appContext = new GenericApplicationContext(beanFactory, scaParentContext);
- return appContext;
- }
-
-} // end class SpringImplementationProvider
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