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Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2009-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.glassfish.bootstrap;
import java.io.*;
import java.util.*;
import java.util.jar.*;
import java.nio.channels.Channels;
import java.nio.channels.WritableByteChannel;
import java.nio.channels.ReadableByteChannel;
import java.nio.ByteBuffer;
/**
* Created by IntelliJ IDEA.
* User: dochez
* Date: Nov 10, 2008
* Time: 8:53:34 PM
* To change this template use File | Settings | File Templates.
*/
public class Rejar {
public Rejar() {
}
public void rejar(File out, File modules) throws IOException {
Map metadata = new HashMap();
FileOutputStream fos = null;
try {
fos = new FileOutputStream(out);
Set names = new HashSet();
names.add(Attributes.Name.MAIN_CLASS.toString());
JarOutputStream jos = null;
try {
jos = new JarOutputStream(fos, getManifest());
processDirectory(jos, modules, names, metadata);
for (File directory : modules.listFiles(new FileFilter() {
public boolean accept(File pathname) {
return pathname.isDirectory();
}
})) {
processDirectory(jos, directory, names, metadata);
}
// copy the inhabitants files.
for (Map.Entry e : metadata.entrySet()) {
copy(e.getValue().toByteArray(), e.getKey(), jos);
}
jos.flush();
} finally {
if (jos!=null) {
try {
jos.close();
} catch(IOException ioe) {
// ignore
}
}
}
} finally {
if (fos!=null) {
try {
fos.close();
} catch(IOException ioe) {
// ignore
}
}
}
}
protected Manifest getManifest() throws IOException {
Manifest m = new Manifest();
m.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
m.getMainAttributes().put(Attributes.Name.MAIN_CLASS, "com.sun.enterprise.glassfish.bootstrap.ASMain");
return m;
}
protected void processDirectory(JarOutputStream jos, File directory, Set names, Map metadata ) throws IOException {
for (File module : directory.listFiles(new FileFilter() {
public boolean accept(File pathname) {
if (pathname.getName().endsWith("jar")) {
return true;
}
return false;
}
})) {
// add module
JarFile in = new JarFile(module);
try {
Enumeration entries = in.entries();
while (entries.hasMoreElements()) {
JarEntry je = entries.nextElement();
if (je.getName().endsWith("MANIFEST.MF") || names.contains(je.getName())) {
continue;
}
if (je.isDirectory())
continue;
if (je.getName().startsWith("META-INF/inhabitants/")
|| je.getName().startsWith("META-INF/services/")) {
ByteArrayOutputStream stream = metadata.get(je.getName());
if (stream==null) {
metadata.put(je.getName(), stream = new ByteArrayOutputStream());
}
stream.write(("# from "+ module.getName() + "\n").getBytes());
copy(in, je, stream);
} else {
names.add(je.getName());
copy(in, je, jos);
}
}
} finally {
if (in != null) {
try {
in.close();
} catch (Throwable t) {
// Ignore
}
}
}
};
}
protected void copy(JarFile in, JarEntry je, JarOutputStream jos) throws IOException {
try {
jos.putNextEntry(new JarEntry(je.getName()));
copy(in, je, (OutputStream) jos);
} finally {
jos.flush();
jos.closeEntry();
}
}
protected void copy(JarFile in, JarEntry je, OutputStream os) throws IOException {
copy(in, je, Channels.newChannel(os));
}
protected void copy(JarFile in, JarEntry je, WritableByteChannel out) throws IOException {
InputStream is = in.getInputStream(je);
try {
ReadableByteChannel inChannel = Channels.newChannel(is);
ByteBuffer byteBuffer = ByteBuffer.allocate(Long.valueOf(je.getSize()).intValue());
inChannel.read(byteBuffer);
byteBuffer.rewind();
out.write(byteBuffer);
} finally {
is.close();
}
}
protected void copy(byte[] bytes, String name, JarOutputStream jos) throws IOException {
try {
jos.putNextEntry(new JarEntry(name));
jos.write(bytes);
} finally {
jos.closeEntry();
}
}
}