106 lines
4.1 KiB
Java
106 lines
4.1 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* $Header:$
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*/
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package org.apache.beehive.controls.runtime.bean;
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import java.beans.beancontext.BeanContextServices;
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import java.beans.beancontext.BeanContextServiceProvider;
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import java.util.Iterator;
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import java.util.Collections;
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import org.apache.beehive.controls.spi.context.ControlBeanContextFactory;
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import org.apache.beehive.controls.runtime.webcontext.ControlBeanContextServicesSupport;
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/**
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* <p>
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* This class acts as a ControlBeanContextFactoryProvider that exposes this factory as a contextual service
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* from inside of a ControlBeanContext.
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* </p>
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* <p>
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* <b>Note:</b> This class, the service provider, and the contextual service it provides are considerd an implementation
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* detail and <b>should not</b> be used from user code.
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* </p>
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*/
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public class WebContextFactoryProvider
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implements BeanContextServiceProvider {
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private static final WebContextFactoryProvider theProvider = new WebContextFactoryProvider();
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private static final WebControlBeanContextFactory theFactory = new WebControlBeanContextFactory();
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public static final ControlBeanContext.BeanContextServicesFactory WEB_CONTEXT_BCS_FACTORY =
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new WebContextBeanContextServicesFactory();
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public static BeanContextServiceProvider getProvider() {
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return theProvider;
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}
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private WebContextFactoryProvider() {
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}
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public Object getService(BeanContextServices bcs, Object requestor, Class serviceClass, Object serviceSelector) {
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return theFactory;
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}
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public void releaseService(BeanContextServices bcs, Object requestor, Object service) {
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}
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public Iterator getCurrentServiceSelectors(BeanContextServices bcs, Class serviceClass) {
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return Collections.EMPTY_LIST.iterator();
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}
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/**
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* <p>
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* {@link ControlBeanContextFactory} implementation that provides a {@link ControlBeanContext} object
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* used for web-tier control containment.
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* </p>
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* <p>
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* <b>Note:</b> This factory is considerd an implementation detail and <b>should not</b> be referenced from user code.
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* </p>
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*/
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/*package*/ static class WebControlBeanContextFactory
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implements ControlBeanContextFactory {
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public org.apache.beehive.controls.api.context.ControlBeanContext instantiate
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(org.apache.beehive.controls.api.bean.ControlBean controlBean) {
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if(!(controlBean instanceof ControlBean))
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throw new IllegalArgumentException("The ControlBean of type \"" +
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controlBean.getClass().getName() +
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"\" is unsupported. The ControlBean must extend " +
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ControlBean.class.getName());
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ControlBean runtimeControlBean = (ControlBean)controlBean;
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return new ControlBeanContext(runtimeControlBean, WEB_CONTEXT_BCS_FACTORY);
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}
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}
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/*package*/ static class WebContextBeanContextServicesFactory
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extends ControlBeanContext.BeanContextServicesFactory {
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protected BeanContextServices instantiate(ControlBeanContext controlBeanContext) {
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return new ControlBeanContextServicesSupport(controlBeanContext);
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/* The java implementation of the BeanContext support classes,
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not currently used by Beehive due to performance issues.
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return new java.beans.beancontext.BeanContextServicesSupport(controlBeanContext);
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*/
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}
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}
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}
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