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Diffstat (limited to '')
4 files changed, 498 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SCAGenericApplicationContext.java b/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SCAGenericApplicationContext.java new file mode 100644 index 0000000000..6426306f26 --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SCAGenericApplicationContext.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.spring.runtime.context; + +import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; +import org.springframework.beans.factory.support.DefaultListableBeanFactory; +import org.springframework.context.ApplicationContext; +import org.springframework.context.support.GenericApplicationContext; + +public class SCAGenericApplicationContext extends GenericApplicationContext { + + ClassLoader classloader = null; + + public SCAGenericApplicationContext(DefaultListableBeanFactory beanFactory, + ApplicationContext parent, + ClassLoader classloader) { + super(beanFactory, parent); + this.classloader = classloader; + } + + public SCAGenericApplicationContext(ApplicationContext parent, + ClassLoader classloader) { + super(parent); + this.classloader = classloader; + } + + @Override + protected void postProcessBeanFactory (ConfigurableListableBeanFactory beanFactory) { + beanFactory.setBeanClassLoader(classloader); + } +} diff --git a/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SCAParentApplicationContext.java b/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SCAParentApplicationContext.java new file mode 100644 index 0000000000..5ea1c2fd9d --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SCAParentApplicationContext.java @@ -0,0 +1,189 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF 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.runtime.context; + +import java.io.IOException; +import java.util.Locale; +import java.util.Map; + +import org.springframework.beans.BeansException; +import org.springframework.beans.factory.BeanFactory; +import org.springframework.beans.factory.NoSuchBeanDefinitionException; +import org.springframework.beans.factory.config.AutowireCapableBeanFactory; +import org.springframework.context.ApplicationContext; +import org.springframework.context.ApplicationEvent; +import org.springframework.context.MessageSourceResolvable; +import org.springframework.context.NoSuchMessageException; +import org.springframework.core.io.Resource; + +/** + * A Spring ParentApplicationContext for a given Spring Implementation + * + * The Parent application context is responsible for handling those entities within a Spring + * application context that actually belong to SCA rather than to Spring. The principal things + * are Properties and References. These may be present either through explicit <sca:property/> + * and <sca:reference/> elements in the application context or they may be implicit through + * unresolved Spring bean <property.../> elements. In either case, it is the Parent application + * context that must provide Spring beans that correspond to the property or reference, as derived + * from the SCA composite in which the Spring application context is an implementation. + * + * @version $Rev$ $Date$ + */ +class SCAParentApplicationContext implements ApplicationContext { + + // The Spring implementation for which this is the parent application context + private SpringImplementationStub implementation; + + private static final String[] EMPTY_ARRAY = new String[0]; + + public SCAParentApplicationContext(SpringImplementationStub implementation) { + this.implementation = implementation; + } // end constructor + + public Object getBean(String name) throws BeansException { + return getBean(name, (Class) null); + } + + /** + * Get a Bean for a reference or for a property. + * + * @param name - the name of the Bean required + * @param requiredType - the required type of the Bean (either a Java class or a Java interface) + * @return Object - a Bean which matches the requested bean + */ + public Object getBean(String name, Class requiredType) throws BeansException { + return implementation.getBean(name, requiredType); + } // end method getBean( String, Class ) + + public Object getBean(String name, Object[] args) throws BeansException { + return getBean(name, ((Class)null)); + } + + public boolean containsBean(String name) { + // TODO + return false; + } + + public boolean isSingleton(String name) throws NoSuchBeanDefinitionException { + // TODO + return false; + } + + public boolean isTypeMatch(String name, Class targetType) throws NoSuchBeanDefinitionException { + throw new UnsupportedOperationException(); + } + + public Class getType(String name) throws NoSuchBeanDefinitionException { + return null; + } + + public String[] getAliases(String name) throws NoSuchBeanDefinitionException { + return EMPTY_ARRAY; + } + + public ApplicationContext getParent() { + return null; + } + + public AutowireCapableBeanFactory getAutowireCapableBeanFactory() throws IllegalStateException { + return null; + } + + public String getId() { + return this.toString(); + } + + public String getDisplayName() { + return implementation.getURI(); + } + + public long getStartupDate() { + return 0; + } + + public boolean containsBeanDefinition(String beanName) { + return false; + } + + public int getBeanDefinitionCount() { + return 0; + } + + public String[] getBeanDefinitionNames() { + return new String[0]; + } + + public String[] getBeanNamesForType(Class type) { + return new String[0]; + } + + public String[] getBeanNamesForType(Class type, boolean includePrototypes, boolean includeFactoryBeans) { + return new String[0]; + } + + public Map getBeansOfType(Class type) throws BeansException { + return null; + } + + public Map getBeansOfType(Class type, boolean includePrototypes, boolean includeFactoryBeans) throws BeansException { + return null; + } + + public boolean isPrototype(String theString) { + return false; + } + + public BeanFactory getParentBeanFactory() { + return null; + } + + public boolean containsLocalBean(String name) { + return false; + } + + public String getMessage(String code, Object[] args, String defaultMessage, Locale locale) { + return null; + } + + public String getMessage(String code, Object[] args, Locale locale) throws NoSuchMessageException { + return null; + } + + public String getMessage(MessageSourceResolvable resolvable, Locale locale) throws NoSuchMessageException { + return null; + } + + public void publishEvent(ApplicationEvent event) { + + } + + public Resource[] getResources(String locationPattern) throws IOException { + return new Resource[0]; + } + + public Resource getResource(String location) { + return null; + } + + public ClassLoader getClassLoader() { + // REVIEW: this is almost certainly flawed, but it's not clear how the SCA runtime's + // resource loading mechanism is exposed right now. + return this.getClass().getClassLoader(); + } +} diff --git a/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SpringContextTie.java b/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SpringContextTie.java new file mode 100644 index 0000000000..77681b600f --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SpringContextTie.java @@ -0,0 +1,133 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.implementation.spring.runtime.context; + +import java.net.URL; +import java.util.List; + +import org.apache.tuscany.sca.implementation.spring.processor.ComponentNameAnnotationProcessor; +import org.apache.tuscany.sca.implementation.spring.processor.ComponentStub; +import org.apache.tuscany.sca.implementation.spring.processor.ConstructorAnnotationProcessor; +import org.apache.tuscany.sca.implementation.spring.processor.InitDestroyAnnotationProcessor; +import org.apache.tuscany.sca.implementation.spring.processor.PropertyAnnotationProcessor; +import org.apache.tuscany.sca.implementation.spring.processor.PropertyValueStub; +import org.apache.tuscany.sca.implementation.spring.processor.ReferenceAnnotationProcessor; +import org.springframework.beans.BeansException; +import org.springframework.beans.factory.config.BeanPostProcessor; +import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; +import org.springframework.beans.factory.xml.XmlBeanFactory; +import org.springframework.beans.factory.xml.XmlBeanDefinitionReader; +import org.springframework.context.support.AbstractApplicationContext; +import org.springframework.context.support.GenericApplicationContext; +import org.springframework.core.io.UrlResource; + +/** + * This is the runtime side tie for the corresponding tuscany side stub class. + * It enables the Tuscany code to invoke methods on a Spring context without + * needing to know about any Spring classes. See the SpringContextStub class + * in the implementation-spring module for what the stub does. + */ +public class SpringContextTie { + + private AbstractApplicationContext springContext; + private SpringImplementationStub implementation; + + public SpringContextTie(SpringImplementationStub implementation, List<URL> resource) { + this.implementation = implementation; + SCAParentApplicationContext scaParentContext = new SCAParentApplicationContext(implementation); + springContext = createApplicationContext(scaParentContext, resource); + } + + 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(); + } + + public void close() { + springContext.close(); + if (springContext instanceof GenericApplicationContext) { + springContext.stop(); + } + } + + /** + * Include BeanPostProcessor to deal with SCA Annotations in Spring Bean + */ + private AbstractApplicationContext createApplicationContext(SCAParentApplicationContext scaParentContext, List<URL> resources) { + + XmlBeanFactory beanFactory = null; + AbstractApplicationContext appContext = null; + + if (resources.size() > 1) { + GenericApplicationContext appCtx = + new SCAGenericApplicationContext(scaParentContext, implementation.getClassLoader()); + XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(appCtx); + for (URL resource : resources) { + xmlReader.loadBeanDefinitions(new UrlResource(resource)); + } + xmlReader.setBeanClassLoader(implementation.getClassLoader()); + includeAnnotationProcessors(appCtx.getBeanFactory()); + return appCtx; + } + + // use the generic application context as default + beanFactory = new XmlBeanFactory(new UrlResource(resources.get(0))); + beanFactory.setBeanClassLoader(implementation.getClassLoader()); + includeAnnotationProcessors(beanFactory); + appContext = new SCAGenericApplicationContext(beanFactory, + scaParentContext, + implementation.getClassLoader()); + return appContext; + } + + public Object getBean(String id) throws BeansException { + return springContext.getBean(id); + } + + /** + * 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 + ComponentStub component = new ComponentStub(implementation.getComponentTie()); + BeanPostProcessor referenceProcessor = new ReferenceAnnotationProcessor(component); + beanFactory.addBeanPostProcessor(referenceProcessor); + + // Processor to deal with @Property SCA Annotations + PropertyValueStub pvs = new PropertyValueStub(implementation.getPropertyValueTie()); + BeanPostProcessor propertyProcessor = new PropertyAnnotationProcessor(pvs); + beanFactory.addBeanPostProcessor(propertyProcessor); + + // Processor to deal with @ComponentName SCA Annotations + BeanPostProcessor componentNameProcessor = new ComponentNameAnnotationProcessor(implementation.getComponentName()); + beanFactory.addBeanPostProcessor(componentNameProcessor); + + // Processor to deal with @Constructor SCA Annotations + BeanPostProcessor constructorProcessor = new ConstructorAnnotationProcessor(); + beanFactory.addBeanPostProcessor(constructorProcessor); + } + +}
\ No newline at end of file diff --git a/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SpringImplementationStub.java b/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SpringImplementationStub.java new file mode 100644 index 0000000000..af39869522 --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/runtime/context/SpringImplementationStub.java @@ -0,0 +1,129 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.implementation.spring.runtime.context; + +import java.lang.reflect.Method; + +import org.springframework.beans.BeansException; +import org.springframework.beans.factory.NoSuchBeanDefinitionException; + +/** + * This is the runtime side stub for the corresponding Tuscany-side stub class. + * It enables the Spring code in the runtime module to invoke methods on a + * Tuscany SpringImplementation without the Spring runtime module + * needing to know about any Tuscany classes. See the SpringImplementationTie class + * in the implementation-spring module for what the tie does. + */ +public class SpringImplementationStub { + + Object tie; + Method getURI; + Method getBean; + Method getComponentName; + Method getComponentTie; + Method getPropertyValueTie; + Method getClassLoader; + + public SpringImplementationStub(Object tie) { + this.tie = tie; + Class<?> tieClass = tie.getClass(); + try { + getURI = tieClass.getMethod("getURI", new Class<?>[]{}); + getBean = tieClass.getMethod("getBean", new Class<?>[]{String.class, Class.class}); + getComponentName = tieClass.getMethod("getComponentName"); + getComponentTie = tieClass.getMethod("getComponentTie"); + getPropertyValueTie = tieClass.getMethod("getPropertyValueTie"); + getClassLoader = tieClass.getMethod("getClassLoader"); + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + public String getURI() { + try { + + return (String)getURI.invoke(tie); + + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + /** + * Get a Bean for a reference or for a property. + * + * @param name - the name of the Bean required + * @param requiredType - the required type of the Bean (either a Java class or a Java interface) + * @return Object - a Bean which matches the requested bean + */ + public Object getBean(String name, Class<?> requiredType) throws BeansException { + try { + + Object bean = getBean.invoke(tie, new Object[] {name, requiredType}); + if (bean == null) { + throw new NoSuchBeanDefinitionException("Unable to find Bean with name " + name); + } + return bean; + + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + public String getComponentName() { + try { + + return (String)getComponentName.invoke(tie); + + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + public Object getComponentTie() { + try { + + return getComponentTie.invoke(tie); + + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + public Object getPropertyValueTie() { + try { + + return getPropertyValueTie.invoke(tie); + + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + public ClassLoader getClassLoader() { + try { + + return (ClassLoader) getClassLoader.invoke(tie); + + } catch (Exception e) { + throw new RuntimeException(e); + } + } +}
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