public static void copyDir(File sourceDir, File targetDir) throws IOException {
targetDir.mkdirs();
String files[] = sourceDir.list();
for (int i = 0; i < files.length; i++) {
if (files[i].equals(".") || files[i].equals("..")) continue;
File source = new File(sourceDir, files[i]);
File target = new File(targetDir, files[i]);
if (source.isDirectory()) {
// target.mkdirs();
copyDir(source, target);
target.setLastModified(source.lastModified());
} else {
copyFile(source, target);
}
}
}
