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Diffstat (limited to 'sandbox/implementation-spring2/src/main/java/org/apache/tuscany/implementation/spring/SpringModuleActivator.java')
-rw-r--r-- | sandbox/implementation-spring2/src/main/java/org/apache/tuscany/implementation/spring/SpringModuleActivator.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sandbox/implementation-spring2/src/main/java/org/apache/tuscany/implementation/spring/SpringModuleActivator.java b/sandbox/implementation-spring2/src/main/java/org/apache/tuscany/implementation/spring/SpringModuleActivator.java new file mode 100644 index 0000000000..7d37909d36 --- /dev/null +++ b/sandbox/implementation-spring2/src/main/java/org/apache/tuscany/implementation/spring/SpringModuleActivator.java @@ -0,0 +1,127 @@ +/* + * 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.implementation.spring; + +import java.util.Map; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.DefaultAssemblyFactory; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.ModuleActivator; +import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.sca.databinding.TransformerExtensionPoint; +import org.apache.tuscany.sca.databinding.Mediator; +import org.apache.tuscany.sca.databinding.impl.MediatorImpl; +import org.apache.tuscany.sca.implementation.java.context.JavaPropertyValueObjectFactory; +import org.apache.tuscany.sca.implementation.java.introspect.DefaultJavaClassIntrospectorExtensionPoint; +import org.apache.tuscany.sca.implementation.java.introspect.JavaClassIntrospectorExtensionPoint; +import org.apache.tuscany.sca.implementation.java.invocation.JavaImplementationProviderFactory; + +import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospectorExtensionPoint; +import org.apache.tuscany.sca.interfacedef.java.introspect.ExtensibleJavaInterfaceIntrospector; +import org.apache.tuscany.sca.policy.DefaultPolicyFactory; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint; + +/* + * ModuleActivator class for the Spring module + * - this class is invoked by the Tuscany SCA core when the Spring module is included in the + * runtime package + * - it registers a series of extension points which the core will use when dealing with + * components which use <implementation.spring.../> + * + */ +public class SpringModuleActivator implements ModuleActivator { + + private SpringArtifactProcessor springArtifactProcessor; + private AssemblyFactory assemblyFactory; + private JavaInterfaceFactory javaFactory; + private PolicyFactory policyFactory; + private JavaInterfaceIntrospector interfaceIntrospector; + private JavaClassIntrospectorExtensionPoint classVisitors; + + public SpringModuleActivator() { + assemblyFactory = new DefaultAssemblyFactory(); + javaFactory = new DefaultJavaInterfaceFactory(); + policyFactory = new DefaultPolicyFactory(); + + } // end constructor + + /* + * start() is called when the Tuscany core starts the Spring module + * + * It is in this method that the registration of the extension points takes place: + * - SpringArtifactProcessor processes the XML for <implementation.spring.../> + * - SpringComponentBuilder actually builds components based on <implementation.spring.../> + * - SpringPropertyValueObjectFactory handles properties for implementation.spring components + */ + public void start(ExtensionPointRegistry registry) { + + DataBindingExtensionPoint dataBindingRegistry = registry.getExtensionPoint(DataBindingExtensionPoint.class); + + // TODO: could the runtime have a default PropertyValueObjectFactory in the registry + DataBindingExtensionPoint dataBindings = registry.getExtensionPoint(DataBindingExtensionPoint.class); + TransformerExtensionPoint transformers = registry.getExtensionPoint(TransformerExtensionPoint.class); + MediatorImpl mediator = new MediatorImpl(dataBindings, transformers); + SpringPropertyValueObjectFactory propertyFactory = new SpringPropertyValueObjectFactory(mediator); + + // Tools for Java interface handling + JavaInterfaceIntrospectorExtensionPoint interfaceVisitors = + registry.getExtensionPoint(JavaInterfaceIntrospectorExtensionPoint.class); + interfaceIntrospector = new ExtensibleJavaInterfaceIntrospector(javaFactory, interfaceVisitors); + + // Create the artifact processor for Spring artifacts and add to artifact processors + springArtifactProcessor = new SpringArtifactProcessor( assemblyFactory, javaFactory, + interfaceIntrospector, policyFactory, propertyFactory ); + + StAXArtifactProcessorExtensionPoint staxProcessors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + staxProcessors.addArtifactProcessor(springArtifactProcessor); + + // Create SpringImplementationFactory and add to provider factories + SpringImplementationProviderFactory springImplementationProviderFactory = + new SpringImplementationProviderFactory(); + + ProviderFactoryExtensionPoint providerFactories = registry.getExtensionPoint(ProviderFactoryExtensionPoint.class); + providerFactories.addProviderFactory(springImplementationProviderFactory); + } + + /* + * stop() is called when the Tuscany core stops the Spring module + * At present, no action is taken + */ + public void stop(ExtensionPointRegistry registry) { + StAXArtifactProcessorExtensionPoint staxProcessors = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + staxProcessors.removeArtifactProcessor(springArtifactProcessor); + } + + /* + * Return a map of the extension points for the Spring module. + * Not implemented at present (the core does not seem to require it) + */ + public Object[] getExtensionPoints() { + classVisitors = new DefaultJavaClassIntrospectorExtensionPoint(); + return new Object[] { classVisitors }; + } + +} |