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Glassfish example source code file (MultiReadableArchive.java)
The Glassfish MultiReadableArchive.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2010 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 com.sun.enterprise.deployment.deploy.shared; import com.sun.enterprise.deploy.shared.ArchiveFactory; import com.sun.enterprise.deploy.shared.AbstractReadableArchive; import java.io.IOException; import java.io.InputStream; import java.net.URI; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Enumeration; import java.util.Iterator; import java.util.LinkedHashSet; import java.util.List; import java.util.jar.Manifest; import org.glassfish.api.deployment.archive.ReadableArchive; import org.jvnet.hk2.annotations.Inject; import org.jvnet.hk2.annotations.Scoped; import org.jvnet.hk2.annotations.Service; import org.jvnet.hk2.component.PerLookup; /** * Implements ReadableArchive based on multiple underlying ReadableArchives, * each of which will be processed in order when looking up entries, finding * the manifest, etc. * * @author tjquinn */ @Service @Scoped(PerLookup.class) public class MultiReadableArchive extends AbstractReadableArchive implements ReadableArchive { private ReadableArchive parentArchive = null; private ReadableArchive[] archives; @Inject private ArchiveFactory archiveFactory; @Override public InputStream getEntry(String name) throws IOException { for (ReadableArchive ra : archives) { final InputStream is = ra.getEntry(name); if (is != null) { return is; } } return null; } @Override public boolean exists(String name) throws IOException { for (ReadableArchive ra : archives) { if (ra.exists(name)) { return true; } } return false; } @Override public long getEntrySize(String name) { for (ReadableArchive ra : archives) { final long size = ra.getEntrySize(name); if (size != 0) { return size; } } return 0; } @Override public void open(URI uri) throws IOException { throw new UnsupportedOperationException(); } public void open(URI... uris) throws IOException { archives = new ReadableArchive[uris.length]; int slot = 0; for (URI uri : uris) { archives[slot++] = archiveFactory.openArchive(uri); } } @Override public ReadableArchive getSubArchive(String name) throws IOException { for (ReadableArchive ra : archives) { final ReadableArchive subArchive = ra.getSubArchive(name); if (subArchive != null) { return subArchive; } } return null; } @Override public boolean exists() { boolean result = true; for (ReadableArchive ra : archives) { result &= ra.exists(); } return result; } @Override public boolean delete() { throw new UnsupportedOperationException(); } @Override public boolean renameTo(String name) { throw new UnsupportedOperationException(); } @Override public void setParentArchive(ReadableArchive parentArchive) { this.parentArchive = parentArchive; } @Override public ReadableArchive getParentArchive() { return parentArchive; } @Override public void close() throws IOException { for (ReadableArchive ra : archives) { ra.close(); } } @Override public Enumeration<String> entries() { /* * Guard against the same entry appearing in multiple archives. * Only one will be returned so only save the name once. */ final LinkedHashSet<String> enums = new LinkedHashSet Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish MultiReadableArchive.java source code file: |
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