| /* JarOutputStream.java - OutputStream for writing jar files |
| Copyright (C) 2000, 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package java.util.jar; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipOutputStream; |
| |
| /** |
| * OutputStream for writing jar files. |
| * A special ZipOutputStream that can take JarEntries and can have a optional |
| * Manifest as first entry. |
| * |
| * @author Mark Wielaard (mark@klomp.org) |
| */ |
| |
| public class JarOutputStream extends ZipOutputStream |
| { |
| // Constructors |
| |
| /** |
| * Creates a new JarOutputStream without a manifest entry. |
| * |
| * @param out the stream to create the new jar on |
| * @exception IOException if something unexpected happend |
| */ |
| public JarOutputStream(OutputStream out) throws IOException |
| { |
| this(out, null); |
| } |
| |
| /** |
| * Creates a new JarOutputStream with a manifest entry. |
| * The manifest will be the first entry in the jar. |
| * |
| * @param out the stream to create the new jar on |
| * @param man the manifest that should be put in the jar file or null |
| * for no manifest entry |
| * @exception IOException if something unexpected happend |
| */ |
| public JarOutputStream(OutputStream out, Manifest man) throws IOException |
| { |
| super(out); |
| if (man != null) |
| writeManifest(man); |
| } |
| |
| // Methods |
| |
| /** |
| * Writes the manifest to a new JarEntry in this JarOutputStream with as |
| * name JarFile.MANIFEST_NAME. |
| * |
| * @param manifest the non null manifest to be written |
| * @exception IOException if something unexpected happend |
| */ |
| private void writeManifest(Manifest manifest) throws IOException |
| { |
| // Create a new Jar Entry for the Manifest |
| JarEntry entry = new JarEntry(JarFile.MANIFEST_NAME); |
| putNextEntry(entry); |
| manifest.write(this); |
| closeEntry(); |
| } |
| |
| /** |
| * Prepares the JarOutputStream for writing the next entry. |
| * This implementation just calls <code>super.putNextEntry()</code>. |
| * |
| * @param entry The information for the next entry |
| * @exception IOException when some unexpected I/O exception occurred |
| */ |
| public void putNextEntry(ZipEntry entry) throws IOException |
| { |
| super.putNextEntry(entry); // XXX |
| } |
| } |