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Glassfish example source code file (WeldCompositeSniffer.java)
The Glassfish WeldCompositeSniffer.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2009-2011 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.weld; import static org.glassfish.weld.WeldUtils.JAR_SUFFIX; import static org.glassfish.weld.WeldUtils.META_INF_BEANS_XML; import static org.glassfish.weld.WeldUtils.SEPARATOR_CHAR; import java.io.IOException; import java.util.Enumeration; import org.glassfish.api.container.CompositeSniffer; import org.glassfish.api.deployment.DeploymentContext; import org.glassfish.api.deployment.archive.ReadableArchive; import org.glassfish.javaee.core.deployment.ApplicationHolder; import org.jvnet.hk2.annotations.Scoped; import org.jvnet.hk2.annotations.Service; import org.jvnet.hk2.component.Singleton; /** * This sniffer determines if there are any beans.xml at the ear level. */ @Service(name = "weldCompositeSniffer") @Scoped(Singleton.class) public class WeldCompositeSniffer extends WeldSniffer implements CompositeSniffer { public boolean handles(DeploymentContext context) { boolean isWeldApplication = false; ApplicationHolder holder = context.getModuleMetaData(ApplicationHolder.class); ReadableArchive appRoot = context.getSource(); if ((holder != null) && (holder.app != null)) { isWeldApplication = scanLibDir(appRoot, holder.app.getLibraryDirectory(), context); } return isWeldApplication; } // This method returns true if at least one /lib jar is a Weld archive // A more thorough scan is done in WeldDeployer to extract all Weld archives // under the /lib directory. private boolean scanLibDir(ReadableArchive archive, String libLocation, DeploymentContext context) { boolean entryPresent = false; if (libLocation != null && !libLocation.isEmpty()) { Enumeration<String> entries = archive.entries(libLocation); while (entries.hasMoreElements() && !entryPresent) { String entryName = entries.nextElement(); // if a jar in lib dir and not WEB-INF/lib/foo/bar.jar if (entryName.endsWith(JAR_SUFFIX) && entryName.indexOf(SEPARATOR_CHAR, libLocation.length() + 1 ) == -1 ) { try { ReadableArchive jarInLib = archive.getSubArchive(entryName); entryPresent = isEntryPresent(jarInLib, META_INF_BEANS_XML); jarInLib.close(); if (entryPresent) break; } catch (IOException e) { } } } } return entryPresent; } private boolean isEntryPresent(ReadableArchive archive, String entry) { boolean entryPresent = false; try { entryPresent = archive.exists(entry); } catch (IOException e) { // ignore } return entryPresent; } } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish WeldCompositeSniffer.java source code file: |
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