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*
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* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
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* file and include the License file at packager/legal/LICENSE.txt.
*
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* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
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*/
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<String, ByteArrayOutputStream> metadata = new HashMap<String, ByteArrayOutputStream>();
FileOutputStream fos = null;
try {
fos = new FileOutputStream(out);
Set<String> names = new HashSet<String>();
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<String, ByteArrayOutputStream> 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<String> names, Map<String, ByteArrayOutputStream> 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<JarEntry> 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();
}
}
}