file sort

gistfile1.txt

private class SortFileName implements Comparator<File> {

		@Override
		public int compare(File f1, File f2) {
			return f1.getName().compareToIgnoreCase(f2.getName());
		}
	}

	private class SortFolder implements Comparator<File> {

		@Override
		public int compare(File f1, File f2) {
			if ((f1.isDirectory() && f2.isDirectory())
					|| (!f1.isDirectory() && !f2.isDirectory()))
				return 0;
			else if (f1.isDirectory() && !f2.isDirectory())
				return -1;
			else
				return 1;
		}
	}