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Glassfish example source code file (DomainXml.java)
The Glassfish DomainXml.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2008-2011 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.config.support; import com.sun.enterprise.module.bootstrap.BootException; import com.sun.enterprise.universal.Duration; import com.sun.enterprise.universal.NanoDuration; import com.sun.enterprise.util.EarlyLogger; import com.sun.enterprise.util.LocalStringManagerImpl; import org.glassfish.api.admin.config.ConfigurationCleanup; import org.glassfish.server.ServerEnvironmentImpl; import com.sun.enterprise.module.bootstrap.Populator; import com.sun.enterprise.module.bootstrap.StartupContext; import com.sun.enterprise.module.ModulesRegistry; import com.sun.enterprise.config.serverbeans.Server; import com.sun.enterprise.config.serverbeans.Config; import com.sun.enterprise.universal.i18n.LocalStringsImpl; import com.sun.hk2.component.ExistingSingletonInhabitant; import org.glassfish.api.admin.config.ConfigurationUpgrade; import org.glassfish.api.admin.ServerEnvironment; import org.jvnet.hk2.annotations.*; import org.jvnet.hk2.component.*; import org.jvnet.hk2.config.ConfigParser; import org.jvnet.hk2.config.DomDocument; import javax.xml.stream.XMLInputFactory; import javax.xml.stream.XMLStreamException; import javax.xml.stream.XMLStreamReader; import javax.xml.stream.XMLStreamConstants; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.util.concurrent.locks.Lock; import java.util.logging.Level; import java.util.logging.Logger; import java.net.URL; import org.glassfish.api.admin.RuntimeType; /** * Locates and parses the portion of <tt>domain.xml that we care. * * @author Jerome Dochez * @author Kohsuke Kawaguchi * @author Byron Nevins */ public abstract class DomainXml implements Populator { @Inject StartupContext context; @Inject protected Habitat habitat; @Inject ModulesRegistry registry; @Inject XMLInputFactory xif; @Inject ServerEnvironmentImpl env; @Inject ConfigurationAccess configAccess; final static LocalStringManagerImpl localStrings = new LocalStringManagerImpl(DomainXml.class); @Override public void run(ConfigParser parser) throws BootException { EarlyLogger.add(Level.FINE, "Startup class : " + this.getClass().getName()); habitat.addComponent("parent-class-loader", new ExistingSingletonInhabitant<ClassLoader>(ClassLoader.class, registry.getParentClassLoader())); try { parseDomainXml(parser, getDomainXml(env), env.getInstanceName()); } catch (IOException e) { throw new BootException(localStrings.getLocalString("ConfigParsingFailed","Failed to parse domain.xml"), e); } // run the upgrades... if ("upgrade".equals(context.getPlatformMainServiceName())) { upgrade(); } // run the cleanup. for (Inhabitant<? extends ConfigurationCleanup> cc : habitat.getInhabitants(ConfigurationCleanup.class)) { try { cc.get(); // run the upgrade EarlyLogger.add(Level.FINE, "Successful cleaned domain.xml with " + cc.getClass()); } catch (Exception e) { EarlyLogger.add(Level.FINE, e.toString() + e); EarlyLogger.add(Level.SEVERE, cc.getClass() + " cleaning domain.xml failed " + e); } } decorate(); } protected void decorate() { Server server = habitat.getComponent(Server.class, env.getInstanceName()); habitat.addIndex(new ExistingSingletonInhabitant<Server>(server), Server.class.getName(), ServerEnvironment.DEFAULT_INSTANCE_NAME); habitat.addIndex(new ExistingSingletonInhabitant<Config>(habitat.getComponent(Config.class, server.getConfigRef())), Config.class.getName(), ServerEnvironment.DEFAULT_INSTANCE_NAME); } protected void upgrade() { // run the upgrades... for (Inhabitant<? extends ConfigurationUpgrade> cu : habitat.getInhabitants(ConfigurationUpgrade.class)) { try { cu.get(); // run the upgrade EarlyLogger.add(Level.FINE, "Successful Upgrade domain.xml with " + cu.getClass()); } catch (Exception e) { EarlyLogger.add(Level.FINE, e.toString() + e); EarlyLogger.add(Level.SEVERE, cu.getClass() + " upgrading domain.xml failed " + e); } } } /** * Determines the location of <tt>domain.xml to be parsed. */ protected URL getDomainXml(ServerEnvironmentImpl env) throws IOException { File domainXml = new File(env.getConfigDirPath(), ServerEnvironmentImpl.kConfigXMLFileName); if (domainXml.exists() && domainXml.length()>0) { return domainXml.toURI().toURL(); } else { EarlyLogger.add(Level.SEVERE, localStrings.getLocalString("NoConfigFile", "{0} does not exist or is empty, will use backup", domainXml.getAbsolutePath())); domainXml = new File(env.getConfigDirPath(), ServerEnvironmentImpl.kConfigXMLFileNameBackup); if (domainXml.exists() && domainXml.length()>0) { return domainXml.toURI().toURL(); } EarlyLogger.add(Level.SEVERE, localStrings.getLocalString("NoBackupFile", "{0} does not exist or is empty, cannot use backup", domainXml.getAbsolutePath())); } throw new IOException(localStrings.getLocalString("NoUsableConfigFile", "No usable configuration file at {0}", env.getConfigDirPath())); } /** * Parses <tt>domain.xml */ protected void parseDomainXml(ConfigParser parser, final URL domainXml, final String serverName) { long startNano = System.nanoTime(); try { ServerReaderFilter xsr = null; if (env.getRuntimeType() == RuntimeType.DAS || env.getRuntimeType() == RuntimeType.EMBEDDED) xsr = new DasReaderFilter(habitat, domainXml, xif); else if (env.getRuntimeType() == RuntimeType.INSTANCE) xsr = new InstanceReaderFilter(env.getInstanceName(), habitat, domainXml, xif); else throw new RuntimeException("Internal Error: Unknown server type: " + env.getRuntimeType()); Lock lock = null; try { // lock the domain.xml for reading if not embedded try { lock = configAccess.accessRead(); } catch(Exception e) { // ignore } parser.parse(xsr, getDomDocument()); xsr.close(); } finally { if (lock!=null) { lock.unlock(); } } String errorMessage = xsr.configWasFound(); if (errorMessage != null) EarlyLogger.add(Level.WARNING, errorMessage); } catch (Exception e) { if (e instanceof RuntimeException) throw (RuntimeException) e; else throw new RuntimeException("Fatal Error. Unable to parse " + domainXml, e); } EarlyLogger.add(Level.FINE, strings.get("time", new NanoDuration(System.nanoTime() - startNano).toString())); } protected abstract DomDocument getDomDocument(); private final static LocalStringsImpl strings = new LocalStringsImpl(DomainXml.class); } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish DomainXml.java source code file: |
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