private Hashtable<String, String> getJarManifestAttributes(String path) {
Hashtable<String, String> h = new Hashtable<String, String>();
JarInputStream jis = null;
try {
cp.appendln(Color.black, "Looking for " + path);
InputStream is = getClass().getResourceAsStream(path);
if (is == null) {
if (!path.endsWith("/MIRC.jar")) {
cp.appendln(Color.red, "...could not find it.");
} else {
cp.appendln(
Color.black,
"...could not find it. [OK, this is a " + programName + " installation]");
}
return null;
}
jis = new JarInputStream(is);
Manifest manifest = jis.getManifest();
h = getManifestAttributes(manifest);
} catch (Exception ex) {
ex.printStackTrace();
}
if (jis != null) {
try {
jis.close();
} catch (Exception ignore) {
}
}
return h;
}
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;
}