| /* |
| * Copyright (c) 1998, 2020 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.internal.jpa.deployment; |
| |
| import java.io.BufferedInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.logging.Logger; |
| import java.util.jar.JarInputStream; |
| import java.util.zip.ZipEntry; |
| |
| import org.eclipse.persistence.jpa.Archive; |
| |
| /** |
| * This is an implementation of {@link Archive} which is used when container |
| * returns some form of URL from which an InputStream in jar format can be |
| * obtained. e.g. jar:file:/tmp/a_ear/b.war!/WEB-INF/lib/pu.jar |
| * |
| * @author Sanjeeb.Sahoo@Sun.COM |
| */ |
| public class JarInputStreamURLArchive extends ArchiveBase implements Archive { |
| /* |
| * Implementation Note: This class does not have any dependency on either |
| * EclipseLink or GlassFish implementation classes. Please retain this separation. |
| */ |
| |
| private List<String> entries = new ArrayList<String>(); |
| |
| @SuppressWarnings("unused") |
| private Logger logger; |
| |
| @SuppressWarnings("deprecation") |
| public JarInputStreamURLArchive(URL url, String descriptorLocation) throws IOException { |
| this(url, descriptorLocation, Logger.global); |
| } |
| |
| public JarInputStreamURLArchive(URL url, String descriptorLocation, Logger logger) throws IOException { |
| super(url, descriptorLocation); |
| logger.entering("JarInputStreamURLArchive", "JarInputStreamURLArchive", // NOI18N |
| new Object[]{url}); |
| this.logger = logger; |
| init(); |
| } |
| |
| private void init() throws IOException { |
| JarInputStream jis = new JarInputStream( |
| new BufferedInputStream(rootURL.openStream())); |
| try { |
| do { |
| ZipEntry ze = jis.getNextEntry(); |
| if (ze == null) { |
| break; |
| } |
| if (!ze.isDirectory()) { |
| entries.add(ze.getName()); |
| } |
| } while (true); |
| } finally { |
| jis.close(); |
| } |
| } |
| |
| @Override |
| public Iterator<String> getEntries() { |
| return entries.iterator(); |
| } |
| |
| @Override |
| public InputStream getEntry(String entryPath) throws IOException { |
| if (!entries.contains(entryPath)) { |
| return null; |
| } |
| JarInputStream jis = new JarInputStream( |
| new BufferedInputStream(rootURL.openStream())); |
| do { |
| ZipEntry ze = jis.getNextEntry(); |
| if (ze == null) { |
| break; |
| } |
| if (ze.getName().equals(entryPath)) { |
| return jis; |
| } |
| } while (true); |
| |
| // don't close the stream, as the caller has to read from it. |
| |
| assert(false); // should not reach here |
| return null; |
| } |
| |
| @Override |
| public URL getEntryAsURL(String entryPath) throws IOException { |
| URL result = entries.contains(entryPath) ? |
| result = new URL("jar:"+rootURL+"!/"+entryPath) : null; // NOI18N |
| return result; |
| } |
| |
| @Override |
| public void close() { |
| // nothing to close. it's caller's responsibility to close |
| // any InputStream returned by getEntry(). |
| } |
| } |