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Glassfish example source code file (WebExtender.java)
The Glassfish WebExtender.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2009-10-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package org.glassfish.osgiweb; import com.sun.enterprise.web.WebModuleDecorator; import com.sun.hk2.component.ExistingSingletonInhabitant; import org.glassfish.internal.api.Globals; import org.glassfish.osgijavaeebase.Extender; import org.jvnet.hk2.component.Inhabitant; import org.osgi.framework.BundleContext; import org.osgi.framework.ServiceRegistration; import org.osgi.service.url.URLConstants; import org.osgi.service.url.URLStreamHandlerService; import java.util.Properties; import java.util.logging.Logger; /** * An extender that listens to web application bundle's lifecycle * events and does the necessary deployment/undeployment. * * @author Sanjeeb.Sahoo@Sun.COM */ public class WebExtender implements Extender { private static final Logger logger = Logger.getLogger(WebExtender.class.getPackage().getName()); private BundleContext context; private ServiceRegistration urlHandlerService; private OSGiWebModuleDecorator wmd; private OSGiWebDeployer deployer; public WebExtender(BundleContext context) { this.context = context; } public synchronized void start() { registerWmd(); registerDeployer(); addURLHandler(); } public synchronized void stop() { // Stop CollisionDetector first so that when we undeploy as part of shutting down, it won't try to deploy bundles ContextPathCollisionDetector.get().stop(); removeURLHandler(); unregisterDeployer(); unregisterWmd(); } private void registerDeployer() { deployer = new OSGiWebDeployer(context); deployer.register(); } private void unregisterDeployer() { if (deployer != null) { deployer.unregister(); deployer = null; } } private void addURLHandler() { Properties p = new Properties(); p.put(URLConstants.URL_HANDLER_PROTOCOL, new String[]{Constants.WEB_BUNDLE_SCHEME}); urlHandlerService = context.registerService( URLStreamHandlerService.class.getName(), new WebBundleURLStreamHandlerService(), p); } private void removeURLHandler() { if (urlHandlerService != null) { urlHandlerService.unregister(); } } private void registerWmd() { wmd = new OSGiWebModuleDecorator(); Inhabitant i = new ExistingSingletonInhabitant(wmd); String fqcn = WebModuleDecorator.class.getName(); Globals.getDefaultHabitat().addIndex(i, fqcn, wmd.getClass().getSimpleName()); } private void unregisterWmd() { if (wmd == null) return; // Since there is no public API to remove an inhabitant, we // nullify the fields and that ensures that this decorator // is as good as removed. wmd.deActivate(); } } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish WebExtender.java source code file: |
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