void expand(File jar, File dir) throws IOException {
JarFile jarFile = new JarFile(jar);
try {
Enumeration<JarEntry> entries = jarFile.entries();
while (entries.hasMoreElements()) {
JarEntry je = entries.nextElement();
if (!je.isDirectory()) {
copy(jarFile.getInputStream(je), new File(dir, je.getName()));
}
}
} finally {
jarFile.close();
}
}
private static Hashtable<String, String> getManifestAttributes(File jarFile) {
Hashtable<String, String> h = new Hashtable<String, String>();
JarFile jar = null;
try {
jar = new JarFile(jarFile);
Manifest manifest = jar.getManifest();
h = getManifestAttributes(manifest);
} catch (Exception ex) {
}
if (jar != null) {
try {
jar.close();
} catch (Exception ignore) {
}
}
return h;
}