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| -rw-r--r-- | branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementationProvider.java | 201 |
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diff --git a/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementationProvider.java b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementationProvider.java new file mode 100644 index 0000000000..88358732ed --- /dev/null +++ b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementationProvider.java @@ -0,0 +1,201 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.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 |