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Diffstat (limited to 'libjava/classpath/java/util/jar/JarOutputStream.java')
-rw-r--r-- | libjava/classpath/java/util/jar/JarOutputStream.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/libjava/classpath/java/util/jar/JarOutputStream.java b/libjava/classpath/java/util/jar/JarOutputStream.java new file mode 100644 index 000000000..0ba6002cb --- /dev/null +++ b/libjava/classpath/java/util/jar/JarOutputStream.java @@ -0,0 +1,113 @@ +/* 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 + } +} |