From 912966714fb39ebf173bf9bb50105fece6b1415d Mon Sep 17 00:00:00 2001 From: lresende Date: Mon, 17 Nov 2008 07:07:27 +0000 Subject: Initial work to split implementation spring to follow the same pattern used in other modules (model/xml and runtime). git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@718181 13f79535-47bb-0310-9956-ffa450edef68 --- .../spring/impl/SCAApplicationContext.java | 53 ++++ .../spring/impl/SCANamespaceHandlerResolver.java | 53 ++++ .../spring/impl/SCAParentApplicationContext.java | 272 +++++++++++++++++++++ .../spring/impl/ScaNamespaceHandler.java | 40 +++ .../impl/ScaPropertyBeanDefinitionParser.java | 37 +++ .../impl/ScaReferenceBeanDefinitionParser.java | 38 +++ .../impl/ScaServiceBeanDefinitionParser.java | 38 +++ .../provider/SpringImplementationProvider.java | 90 +++++++ .../SpringImplementationProviderFactory.java | 79 ++++++ .../spring/provider/SpringInvocationException.java | 40 +++ .../spring/provider/SpringInvoker.java | 128 ++++++++++ ...cany.sca.provider.ImplementationProviderFactory | 19 ++ 12 files changed, 887 insertions(+) create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCAApplicationContext.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCANamespaceHandlerResolver.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCAParentApplicationContext.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaNamespaceHandler.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaPropertyBeanDefinitionParser.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaReferenceBeanDefinitionParser.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaServiceBeanDefinitionParser.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringImplementationProvider.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringImplementationProviderFactory.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringInvocationException.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringInvoker.java create mode 100644 branches/sca-equinox/modules/implementation-spring-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory (limited to 'branches/sca-equinox/modules/implementation-spring-runtime/src/main') diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCAApplicationContext.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCAApplicationContext.java new file mode 100644 index 0000000000..6ed1840b6b --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCAApplicationContext.java @@ -0,0 +1,53 @@ +/* + * 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.impl; + +import org.springframework.beans.factory.xml.XmlBeanDefinitionReader; +import org.springframework.context.ApplicationContext; +import org.springframework.context.support.AbstractXmlApplicationContext; +import org.springframework.core.io.Resource; + +/** + * An ApplicationContext specialization that registers namespace + * handlers for SCA elements - in particular the , and + * elements which are provided as SCA extensions to the Spring + * application context schema + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class SCAApplicationContext extends AbstractXmlApplicationContext { + public static final String APP_CONTEXT_PROP = "org.springframework.sca.application.context"; + private Resource appXml; + + public SCAApplicationContext(ApplicationContext parent, Resource appXml) { + super(parent); + this.appXml = appXml; + //refresh(); + } + + @Override + protected void initBeanDefinitionReader(XmlBeanDefinitionReader beanDefinitionReader) { + ClassLoader cl = getClassLoader(); + beanDefinitionReader.setNamespaceHandlerResolver(new SCANamespaceHandlerResolver(cl)); + } + + @Override + protected Resource[] getConfigResources() { + return new Resource[] {appXml}; + } +} diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCANamespaceHandlerResolver.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCANamespaceHandlerResolver.java new file mode 100644 index 0000000000..4e1c861910 --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCANamespaceHandlerResolver.java @@ -0,0 +1,53 @@ +/* + * 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.impl; + +import org.springframework.beans.factory.xml.DefaultNamespaceHandlerResolver; +import org.springframework.beans.factory.xml.NamespaceHandler; + +/** + * Overrides the default Spring namespace resolver to automatically register + * {@link ScaNamespaceHandler} instead of requiring a value to be supplied in a + * Spring configuration + * + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class SCANamespaceHandlerResolver extends DefaultNamespaceHandlerResolver { + private static final String SCA_NAMESPACE = "http://www.springframework.org/schema/sca"; + + private ScaNamespaceHandler handler; + + public SCANamespaceHandlerResolver(ClassLoader classLoader) { + super(classLoader); + handler = new ScaNamespaceHandler(/*componentType*/); + } + + public SCANamespaceHandlerResolver(String handlerMappingsLocation, ClassLoader classLoader) { + super(classLoader, handlerMappingsLocation); + handler = new ScaNamespaceHandler(/*componentType*/); + } + + @Override + public NamespaceHandler resolve(String namespaceUri) { + if (SCA_NAMESPACE.equals(namespaceUri)) { + return handler; + } + return super.resolve(namespaceUri); + } +} diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCAParentApplicationContext.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCAParentApplicationContext.java new file mode 100644 index 0000000000..d654d1172a --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/SCAParentApplicationContext.java @@ -0,0 +1,272 @@ +/* + * 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.impl; + +import java.io.IOException; +import java.util.List; +import java.util.Locale; +import java.util.Map; + +import org.apache.tuscany.sca.assembly.ComponentProperty; +import org.apache.tuscany.sca.assembly.Property; +import org.apache.tuscany.sca.assembly.Reference; +import org.apache.tuscany.sca.core.factory.ObjectFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory; +import org.apache.tuscany.sca.implementation.spring.SpringImplementation; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +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 + * and elements in the application context or they may be implicit through + * unresolved Spring bean 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: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class SCAParentApplicationContext implements ApplicationContext { + + // The Spring implementation for which this is the parent application context + private SpringImplementation implementation; + private RuntimeComponent component; + private JavaPropertyValueObjectFactory propertyFactory; + + private static final String[] EMPTY_ARRAY = new String[0]; + + public SCAParentApplicationContext(RuntimeComponent component, + SpringImplementation implementation, + ProxyFactory proxyService, + JavaPropertyValueObjectFactory propertyValueObjectFactory) { + this.implementation = implementation; + this.component = component; + this.propertyFactory = propertyValueObjectFactory; + } // 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 { + System.out.println("Spring parent context - getBean called for name: " + name); + // The expectation is that the requested Bean is either a reference or a property + // from the Spring context + for (Reference reference : implementation.getReferences()) { + if (reference.getName().equals(name)) { + // Extract the Java interface for the reference (it can't be any other interface type + // for a Spring application context) + if (requiredType == null) { + JavaInterface javaInterface = (JavaInterface)reference.getInterfaceContract().getInterface(); + requiredType = javaInterface.getJavaClass(); + } + // Create and return the proxy for the reference + return getService(requiredType, reference.getName()); + } // end if + } // end for + + // For a property, get the name and the required Java type and create a Bean + // of that type with the value inserted. + for (Property property : implementation.getProperties()) { + if (property.getName().equals(name)) { + if (requiredType == null) { + // The following code only deals with a subset of types and was superceded + // by the information from the implementation (which uses Classes as found + // in the Spring implementation itself. + //requiredType = JavaXMLMapper.getJavaType( property.getXSDType() ); + requiredType = implementation.getPropertyClass(name); + } + return getPropertyBean(requiredType, property.getName()); + } // end if + } // end for + throw new NoSuchBeanDefinitionException("Unable to find Bean with name " + name); + + } // end method getBean( String, Class ) + + public Object getBean(String name, Object[] args) throws BeansException { + return getBean(name, ((Class)null)); + } + + /** + * Creates a proxy Bean for a reference + * @param the Business interface type for the reference + * @param businessInterface - the business interface as a Class + * @param referenceName - the name of the Reference + * @return an Bean of the type defined by + */ + private B getService(Class businessInterface, String referenceName) { + return component.getComponentContext().getService(businessInterface, referenceName); + } + + /** + * Method to create a Java Bean for a Property value + * @param the class type of the Bean + * @param requiredType - a Class object for the required type + * @param name - the Property name + * @return - a Bean of the specified property, with value set + */ + private B getPropertyBean(Class requiredType, String name) { + B propertyObject = null; + // Get the component's list of properties + List props = component.getProperties(); + for (ComponentProperty prop : props) { + if (prop.getName().equals(name)) { + // On finding the property, create a factory for it and create a Bean using + // the factory + ObjectFactory factory = propertyFactory.createValueFactory(prop, prop.getValue(), requiredType); + propertyObject = (B)factory.getInstance(); + } // end if + } // end for + + return propertyObject; + } + + public boolean containsBean(String name) { + // TODO + System.out.println("Spring parent context - containsBean called for name: " + name); + 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/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaNamespaceHandler.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaNamespaceHandler.java new file mode 100644 index 0000000000..5f7614a68e --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaNamespaceHandler.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.spring.impl; + +import org.springframework.beans.factory.xml.NamespaceHandlerSupport; + +/** + * Handler for the <sca:> namespace in an application context + * + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class ScaNamespaceHandler extends NamespaceHandlerSupport { + + public ScaNamespaceHandler() { + init(); + } + + public final void init() { + registerBeanDefinitionParser("reference", new ScaReferenceBeanDefinitionParser()); + registerBeanDefinitionParser("service", new ScaServiceBeanDefinitionParser()); + registerBeanDefinitionParser("property", new ScaPropertyBeanDefinitionParser()); + } + +} diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaPropertyBeanDefinitionParser.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaPropertyBeanDefinitionParser.java new file mode 100644 index 0000000000..a025d23b9f --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaPropertyBeanDefinitionParser.java @@ -0,0 +1,37 @@ +/* + * 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.impl; + +import org.springframework.beans.factory.config.BeanDefinition; +import org.springframework.beans.factory.xml.BeanDefinitionParser; +import org.springframework.beans.factory.xml.ParserContext; +import org.w3c.dom.Element; + +/** + * Parser for the <sca:reference> element + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class ScaPropertyBeanDefinitionParser implements BeanDefinitionParser { + + public BeanDefinition parse(Element element, ParserContext parserContext) { + // do nothing, this is handled by Tuscany + return null; + } + +} diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaReferenceBeanDefinitionParser.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaReferenceBeanDefinitionParser.java new file mode 100644 index 0000000000..178f538339 --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaReferenceBeanDefinitionParser.java @@ -0,0 +1,38 @@ +/* + * 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.impl; + +import org.springframework.beans.factory.config.BeanDefinition; +import org.springframework.beans.factory.xml.BeanDefinitionParser; +import org.springframework.beans.factory.xml.ParserContext; +import org.w3c.dom.Element; + +/** + * Parser for the <sca:reference> element + * + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class ScaReferenceBeanDefinitionParser implements BeanDefinitionParser { + + public BeanDefinition parse(Element element, ParserContext parserContext) { + // do nothing, this is handled by Tuscany + return null; + } + +} diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaServiceBeanDefinitionParser.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaServiceBeanDefinitionParser.java new file mode 100644 index 0000000000..ae5093dbea --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/impl/ScaServiceBeanDefinitionParser.java @@ -0,0 +1,38 @@ +/* + * 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.impl; + +import org.springframework.beans.factory.config.BeanDefinition; +import org.springframework.beans.factory.xml.BeanDefinitionParser; +import org.springframework.beans.factory.xml.ParserContext; +import org.w3c.dom.Element; + +/** + * Parser for the <sca:service/> element + * + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class ScaServiceBeanDefinitionParser implements BeanDefinitionParser { + + public BeanDefinition parse(Element element, ParserContext parserContext) { + // do nothing, handled by Tuscany + return null; + } + +} diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringImplementationProvider.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringImplementationProvider.java new file mode 100644 index 0000000000..f780c71549 --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringImplementationProvider.java @@ -0,0 +1,90 @@ +/* + * 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.provider; + +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory; +import org.apache.tuscany.sca.implementation.spring.SpringImplementation; +import org.apache.tuscany.sca.implementation.spring.impl.SCAApplicationContext; +import org.apache.tuscany.sca.implementation.spring.impl.SCAParentApplicationContext; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.springframework.context.support.AbstractApplicationContext; + +// TODO - create a working version of this class... +/** + * 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; + + /** + * 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) { + super(); + this.component = component; + SCAParentApplicationContext scaParentContext = + new SCAParentApplicationContext(component, implementation, proxyService, propertyValueObjectFactory); + springContext = new SCAApplicationContext(scaParentContext, implementation.getResource()); + } // 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.stop(); + //System.out.println("SpringImplementationProvider: Spring context stopped"); + } // end method stop + +} // end class SpringImplementationProvider diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringImplementationProviderFactory.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringImplementationProviderFactory.java new file mode 100644 index 0000000000..eb83a92f6a --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringImplementationProviderFactory.java @@ -0,0 +1,79 @@ +/* + * 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.provider; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +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.databinding.TransformerExtensionPoint; +import org.apache.tuscany.sca.databinding.impl.MediatorImpl; +import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory; +import org.apache.tuscany.sca.implementation.spring.SpringImplementation; +import org.apache.tuscany.sca.provider.ImplementationProvider; +import org.apache.tuscany.sca.provider.ImplementationProviderFactory; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * ImplementationProviderFactory for Spring implementation type + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + * + */ +public class SpringImplementationProviderFactory implements ImplementationProviderFactory { + + private ProxyFactory proxyFactory; + private JavaPropertyValueObjectFactory propertyFactory; + + /** + * Simple constructor + * + */ + public SpringImplementationProviderFactory(ExtensionPointRegistry extensionPoints) { + super(); + + ProxyFactoryExtensionPoint proxyFactories = extensionPoints.getExtensionPoint(ProxyFactoryExtensionPoint.class); + proxyFactory = new ExtensibleProxyFactory(proxyFactories); + + // TODO: could the runtime have a default PropertyValueObjectFactory? + DataBindingExtensionPoint dataBindings = extensionPoints.getExtensionPoint(DataBindingExtensionPoint.class); + TransformerExtensionPoint transformers = extensionPoints.getExtensionPoint(TransformerExtensionPoint.class); + MediatorImpl mediator = new MediatorImpl(dataBindings, transformers); + propertyFactory = new JavaPropertyValueObjectFactory(mediator); + } + + /** + * Returns a SpringImplementationProvider for a given component and Spring implementation + * @param component the component for which implementation instances are required + * @param implementation the Spring implementation with details of the component + * implementation + * @return the SpringImplementationProvider for the specified component + */ + public ImplementationProvider createImplementationProvider(RuntimeComponent component, + SpringImplementation implementation) { + return new SpringImplementationProvider(component, implementation, proxyFactory, propertyFactory); + } + + /** + * Returns the class of the Spring implementation + */ + public Class getModelType() { + return SpringImplementation.class; + } +} // end class SpringImplementationProviderFactory diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringInvocationException.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringInvocationException.java new file mode 100644 index 0000000000..a195549851 --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringInvocationException.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.spring.provider; + +/** + * @version $Rev$ $Date$ + */ +public class SpringInvocationException extends Exception { + + private static final long serialVersionUID = -1157790036638157513L; + + public SpringInvocationException(String msg) { + super(msg); + } + + public SpringInvocationException(Throwable e) { + super(e); + } + + public SpringInvocationException(String msg,Throwable e) { + super(msg,e); + } + +} diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringInvoker.java b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringInvoker.java new file mode 100644 index 0000000000..b63518d1c7 --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/provider/SpringInvoker.java @@ -0,0 +1,128 @@ +/* + * 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.provider; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +import org.apache.tuscany.sca.implementation.spring.SpringImplementation; +import org.apache.tuscany.sca.implementation.spring.xml.SpringBeanElement; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil; +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.springframework.beans.BeansException; +import org.springframework.context.support.AbstractApplicationContext; + +/** + * Initial implementation of a Spring bean invoker + * @version $Rev: 511195 $ $Date: 2007-02-24 02:29:46 +0000 (Sat, 24 Feb 2007) $ + */ +public class SpringInvoker implements Invoker { + + private Method theMethod = null; + private Object bean; + private SpringBeanElement beanElement; + private boolean badInvoker = false; + + private AbstractApplicationContext springContext; + private Operation operation; + + /** + * SpringInvoker constructor + * @param component - the Spring component to invoke + * @param service - the service to invoke + * @param operation - the operation to invoke + */ + public SpringInvoker(RuntimeComponent component, + AbstractApplicationContext springContext, + RuntimeComponentService service, + Operation operation) { + + this.springContext = springContext; + this.operation = operation; + + // From the component and the service, identify the Spring Bean which is the target + SpringImplementation theImplementation = (SpringImplementation)component.getImplementation(); + beanElement = theImplementation.getBeanFromService(service.getService()); + + if (beanElement == null) { + badInvoker = true; + return; + } + + } // end constructor SpringInvoker + + // Lazy-load the method to avoid timing problems with the Spring Context + private void setupMethod() throws SpringInvocationException{ + try { + bean = springContext.getBean(beanElement.getId()); + Class beanClass = bean.getClass(); + theMethod = JavaInterfaceUtil.findMethod(beanClass, operation); + //System.out.println("SpringInvoker - found method " + theMethod.getName() ); + } catch (BeansException e) { + throw new SpringInvocationException(e); + } catch (NoSuchMethodException e) { + throw new SpringInvocationException(e); + } + } + + private Object doInvoke(Object payload) throws SpringInvocationException { + if (theMethod == null) + setupMethod(); + + if (badInvoker) + throw new SpringInvocationException("Spring invoker incorrectly configured"); + // Invoke the method on the Spring bean using the payload, returning the results + try { + Object ret; + + if (payload != null && !payload.getClass().isArray()) { + ret = theMethod.invoke(bean, payload); + } else { + ret = theMethod.invoke(bean, (Object[])payload); + } + return ret; + } catch (InvocationTargetException e) { + throw new SpringInvocationException("Spring invoker invoke method '"+ theMethod.getName()+"' error.",e); + } catch (Exception e) { + throw new SpringInvocationException("Spring invoker invoke method '"+ theMethod.getName()+"' error.",e); + } + + } // end method doInvoke + + /** + * @param msg the message to invoke on the target bean + */ + public Message invoke(Message msg) { + try { + Object resp = doInvoke(msg.getBody()); + msg.setBody(resp); + } catch (SpringInvocationException e) { + msg.setFaultBody(e.getCause()); + }catch (Throwable e) { + msg.setFaultBody(e); + } + //System.out.println("Spring Invoker - invoke called"); + return msg; + } // end method invoke + +} // end class SpringInvoker diff --git a/branches/sca-equinox/modules/implementation-spring-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory new file mode 100644 index 0000000000..6edfc3b6ca --- /dev/null +++ b/branches/sca-equinox/modules/implementation-spring-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory @@ -0,0 +1,19 @@ +# 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. + +# Implementation class for the implementation extension +org.apache.tuscany.sca.implementation.spring.provider.SpringImplementationProviderFactory;model=org.apache.tuscany.sca.implementation.spring.SpringImplementation -- cgit v1.2.3