public static boolean extractJarDir(String jarfile, String outfile) throws Exception {
long filesize = new File(jarfile).length();
JarInputStream jar = new JarInputStream(new FileInputStream(jarfile));
// while (true) {
// JarEntry jarentry = (JarEntry)jar.getNextJarEntry();
// if (jarentry==null) break;
// String maindir = jarentry.getName();
// // get rid of "./" and "/" prefix
// if (maindir.startsWith("."))
// maindir = maindir.substring(1);
// if (maindir.startsWith(File.separator))
// maindir = maindir.substring(1);
// // Find manifest
// System.out.println(maindir);
// if (maindir.equals("META-INF/MANIFEST.MF")) {
// java.io.InputStream ins = jar;
java.io.FileOutputStream outs = new java.io.FileOutputStream(outfile);
Manifest man = jar.getManifest();
if (man == null) return false;
man.write(outs);
byte[] buf = ("MIDlet-Jar-Size: " + filesize).getBytes();
outs.write(buf, 0, buf.length);
outs.close();
// // copy buffered (is a lot faster than one byte at a time)
// byte[] buf = new byte[8192];
// int total_bytes=0;
// while (true) {
// //outs.write(ins.read());
// int len = ins.read(buf);
// if (len < 0) break;
// outs.write(buf,0,len);
// total_bytes += len;
// }
// buf = ("MIDlet-Jar-Size: "+total_bytes).getBytes();
// outs.write(buf,0,buf.length);
// outs.close();
// //ins.close();
// }
// }
// return false;
// remove empty lines from the generated jad which may have been
// introduced by manifest write.
// some systems have trouble with empty lines
List<String> lines = new ArrayList<String>();
BufferedReader in = new BufferedReader(new FileReader(outfile));
while (true) {
String line = in.readLine();
if (line == null) break;
lines.add(line);
}
in.close();
PrintWriter outp = new PrintWriter(outfile);
for (String s : lines) {
if (s.trim().equals("")) continue;
outp.println(s);
}
outp.close();
return true;
}
public void unpack(String artifact, File destination) {
File archiveFile = getAsFile(artifact);
if (archiveFile == null || !archiveFile.exists()) return;
if (archiveFile.isDirectory()) {
try {
Files.walkFileTree(archiveFile.toPath(), new CopyDirVisitor(archiveFile, destination));
} catch (Exception e) {
OutputBouble.reportError(e);
}
} else if (archiveFile.getName().endsWith("jar")) {
destination.mkdirs();
try {
java.util.jar.JarFile jar = new java.util.jar.JarFile(archiveFile);
java.util.Enumeration jarEnum = jar.entries();
while (jarEnum.hasMoreElements()) {
java.util.jar.JarEntry file = (java.util.jar.JarEntry) jarEnum.nextElement();
java.io.File f = new java.io.File(destination + java.io.File.separator + file.getName());
if (file.isDirectory()) { // if its a directory, create it
f.mkdir();
continue;
}
java.io.InputStream is = jar.getInputStream(file); // get the input stream
java.io.FileOutputStream fos = new java.io.FileOutputStream(f);
while (is.available() > 0) { // write contents of 'is' to 'fos'
fos.write(is.read());
}
fos.close();
is.close();
}
jar.close();
} catch (Exception e) {
}
}
}
