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Glassfish example source code file (WABEventPublisher.java)
The Glassfish WABEventPublisher.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2009-2010 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 org.glassfish.osgijavaeebase.AbstractOSGiDeployer; import org.osgi.framework.Bundle; import org.osgi.framework.BundleContext; import org.osgi.framework.ServiceReference; import org.osgi.service.event.Event; import org.osgi.service.event.EventAdmin; import java.util.HashMap; import java.util.Map; import static org.glassfish.osgiweb.Constants.*; import static org.osgi.framework.Constants.BUNDLE_SYMBOLICNAME; import static org.osgi.framework.Constants.BUNDLE_VERSION; /** * This class is responsible for publishing events using EventAdmin service for a WAB deployment lifecycle. * During deployment, various events are raised as described below (taken verbatim from spec): * The Web Extender must track all WABs in the OSGi service platform in which the Web Extender is * installed. The Web Extender must post Event Admin events, which is asynchronous, at crucial points * in its processing. The topic of the event must be one of the following values: * • org/osgi/service/web/DEPLOYING – The Web Extender has accepted a WAB and started the * process of deploying a Web Application. * • org/osgi/service/web/DEPLOYED – The Web Extender has finished deploying a Web Application, and * the Web Application is now available for web requests on its Context Path. * • org/osgi/service/web/UNDEPLOYING – The web extender started undeploying the Web Application * in response to its corresponding WAB being stopped or the Web Extender is stopped. * • org/osgi/service/web/UNDEPLOYED – The Web Extender has undeployed the Web Application. * The application is no longer available for web requests. * • org/osgi/service/web/FAILED – The Web Extender has failed to deploy the Web Application, this * event can be fired after the DEPLOYING event has fired and indicates that no DEPLOYED event will be fired. * <p/> * For each event topic above, the following properties must be published: * • bundle.symbolicName – (String) The bundle symbolic name of the WAB. * • bundle.id – (Long) The bundle id of the WAB. * • bundle – (Bundle) The Bundle object of the WAB. * • bundle.version – (Version) The version of the WAB. * • context.path – (String) The Context Path of the Web Application. * • timestamp – (Long) The time when the event occurred * • extender.bundle – (Bundle) The Bundle object of the Web Extender Bundle * • extender.bundle.id – (Long) The id of the Web Extender Bundle. * • extender.bundle.symbolicName – (String) The symbolic name of the Web Extender Bundle. * • extender.bundle.version – (Version) The version of the Web Extender Bundle. * <p/> * In addition, the org/osgi/service/web/FAILED event must also have the following property: * • exception – (Throwable) If an exception caused the failure, an exception detailing the error that * occurred during the deployment of the WAB. * • collision – (String) If a name collision occurred, the Web-ContextPath that had a collision * • collision.bundles – (Long) If a name collision occurred, a list of bundle ids that all have the same * value for the Web-ContextPath manifest header. * * @author Sanjeeb.Sahoo@Sun.COM */ class WABEventPublisher { void raiseEvent(AbstractOSGiDeployer.State state, Bundle appBundle, Bundle extenderBundle, Throwable e) { Event event = prepareEvent(state, appBundle, extenderBundle, e); if (event != null) { postEvent(event, extenderBundle.getBundleContext()); } } private Event prepareEvent(AbstractOSGiDeployer.State state, Bundle appBundle, Bundle extenderBundle, Throwable e) { String topic; Map<Object, Object> props = new HashMap Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish WABEventPublisher.java source code file: |
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