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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.container.java.builder;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.container.java.assembly.JavaImplementation;
import org.apache.tuscany.container.java.config.JavaContextFactory;
import org.apache.tuscany.core.extension.config.extensibility.ComponentNameExtensibilityElement;
import org.apache.tuscany.core.extension.config.extensibility.ContextExtensibilityElement;
import org.apache.tuscany.core.extension.config.extensibility.DestroyInvokerExtensibilityElement;
import org.apache.tuscany.core.extension.config.extensibility.InitInvokerExtensibilityElement;
import org.apache.tuscany.core.extension.config.InjectorExtensibilityElement;
import org.apache.tuscany.core.builder.BuilderConfigException;
import org.apache.tuscany.core.builder.BuilderException;
import org.apache.tuscany.core.builder.ContextFactory;
import org.apache.tuscany.core.config.JavaIntrospectionHelper;
import org.apache.tuscany.core.extension.ContextFactoryBuilderSupport;
import org.apache.tuscany.core.injection.EventInvoker;
import org.apache.tuscany.core.injection.Injector;
import org.apache.tuscany.core.wire.service.WireFactoryService;
import org.apache.tuscany.model.assembly.Scope;
/**
* Builds context factories for component implementations that map to {@link
* org.apache.tuscany.container.java.assembly.JavaImplementation}. The logical model is then decorated with
* the runtime configuration.
*
* @version $Rev: 368822 $ $Date: 2006-01-13 10:54:38 -0800 (Fri, 13 Jan 2006) $
* @see org.apache.tuscany.core.builder.ContextFactory
*/
@org.osoa.sca.annotations.Scope("MODULE")
public class JavaContextFactoryBuilder extends ContextFactoryBuilderSupport<JavaImplementation> {
/**
* Default constructor
*/
public JavaContextFactoryBuilder() {
super();
}
/**
* Constructs a new instance
*
* @param wireFactoryService the system service responsible for creating wire factories
*/
public JavaContextFactoryBuilder(WireFactoryService wireFactoryService) {
super(wireFactoryService);
}
@SuppressWarnings("unchecked")
protected ContextFactory createContextFactory(String name, JavaImplementation javaImpl, Scope scope) {
Class implClass = null;
JavaContextFactory contextFactory;
try {
implClass = javaImpl.getImplementationClass();
contextFactory = new JavaContextFactory(name, JavaIntrospectionHelper
.getDefaultConstructor(implClass), scope);
List<Injector> injectors = new ArrayList<Injector>();
List<Object> elements = javaImpl.getComponentType().getExtensibilityElements();
for (Object element : elements) {
if (element instanceof InitInvokerExtensibilityElement) {
InitInvokerExtensibilityElement invokerElement = (InitInvokerExtensibilityElement) element;
EventInvoker<Object> initInvoker = invokerElement.getEventInvoker();
boolean eagerInit = invokerElement.isEager();
contextFactory.setEagerInit(eagerInit);
contextFactory.setInitInvoker(initInvoker);
} else if (element instanceof DestroyInvokerExtensibilityElement) {
DestroyInvokerExtensibilityElement invokerElement = (DestroyInvokerExtensibilityElement) element;
EventInvoker<Object> destroyInvoker = invokerElement.getEventInvoker();
contextFactory.setDestroyInvoker(destroyInvoker);
} else if (element instanceof ComponentNameExtensibilityElement) {
ComponentNameExtensibilityElement nameElement = (ComponentNameExtensibilityElement) element;
injectors.add(nameElement.getEventInvoker(name));
} else if (element instanceof ContextExtensibilityElement) {
ContextExtensibilityElement contextElement = (ContextExtensibilityElement) element;
injectors.add(contextElement.getInjector(contextFactory));
}else if (element instanceof InjectorExtensibilityElement){
InjectorExtensibilityElement injectorElement = (InjectorExtensibilityElement)element;
injectors.add(injectorElement.getInjector(contextFactory));
}
}
contextFactory.setSetters(injectors);
return contextFactory;
} catch (BuilderException e) {
e.addContextName(name);
throw e;
} catch (NoSuchMethodException e) {
BuilderConfigException ce = new BuilderConfigException("Class does not have a no-arg constructor", e);
ce.setIdentifier(implClass.getName());
ce.addContextName(name);
throw ce;
}
}
}
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