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+/* 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.putNextEntre()</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
+ }
+}
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