| /* |
| * Copyright (c) 1998, 2021 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.net.URL; |
| import java.net.JarURLConnection; |
| import java.util.List; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.Iterator; |
| import java.util.logging.Logger; |
| import java.util.logging.Level; |
| import java.util.jar.JarFile; |
| import java.util.jar.JarEntry; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.eclipse.persistence.jpa.Archive; |
| |
| /** |
| * This is an implementation of {@link Archive} which is used when container |
| * returns a jar: URL. e.g. jar:file:/tmp/a_ear/b.war!/WEB-INF/classes/ |
| * |
| * @author Sanjeeb.Sahoo@Sun.COM |
| */ |
| public class DirectoryInsideJarURLArchive 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 JarFile jarFile; |
| |
| // distance from top of the JarFile to the entry |
| private String relativeRootPath; |
| |
| private List<String> entries = new ArrayList<String>(); |
| |
| @SuppressWarnings("unused") |
| private Logger logger; |
| |
| @SuppressWarnings("deprecation") |
| public DirectoryInsideJarURLArchive(URL url, String descriptorLocation) throws IOException { |
| this(url, descriptorLocation, Logger.global); |
| } |
| |
| public DirectoryInsideJarURLArchive(URL url, String descriptorLocation, Logger logger) |
| throws IOException { |
| super(); |
| logger.entering("DirectoryInsideJarURLArchive", "DirectoryInsideJarURLArchive", // NOI18N |
| new Object[]{url}); |
| this.logger = logger; |
| assert(url.getProtocol().equals("jar")); // NOI18N |
| rootURL = url; |
| this.descriptorLocation = descriptorLocation; |
| JarURLConnection conn = |
| (JarURLConnection) url.openConnection(); |
| jarFile = conn.getJarFile(); |
| logger.logp(Level.FINER, "DirectoryInsideJarURLArchive", |
| "DirectoryInsideJarURLArchive", "jarFile = {0}", jarFile); |
| relativeRootPath = conn.getEntryName(); |
| init(); |
| } |
| |
| private void init() { |
| for(Enumeration<JarEntry> jarEntries = jarFile.entries(); |
| jarEntries.hasMoreElements();) { |
| JarEntry jarEntry = jarEntries.nextElement(); |
| if(jarEntry.isDirectory()) { |
| continue; |
| } |
| String jarEntryName = jarEntry.getName(); |
| if (relativeRootPath==null) { |
| entries.add(jarEntryName); |
| } else if (jarEntryName.startsWith(relativeRootPath)) { |
| entries.add(jarEntryName.substring(relativeRootPath.length())); |
| } |
| } |
| } |
| |
| @Override |
| public Iterator<String> getEntries() { |
| return entries.iterator(); |
| } |
| |
| @Override |
| public InputStream getEntry(String entryPath) throws IOException { |
| InputStream is = entries.contains(entryPath) ? |
| jarFile.getInputStream(jarFile.getEntry(relativeRootPath + entryPath)) : null; |
| return is; |
| } |
| |
| @Override |
| public URL getEntryAsURL(String entryPath) throws IOException { |
| rootURL = rootURL.toString().startsWith("jar:") ? rootURL : new URL("jar:"+rootURL); |
| URL result = entries.contains(entryPath) ? |
| new URL(rootURL + entryPath) : null; // NOI18N |
| return result; |
| } |
| |
| @Override |
| public void close() { |
| try { |
| jarFile.close(); |
| } catch (IOException e) { |
| // ignore |
| } |
| } |
| } |