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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.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 };
}
}
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