public boolean validateProps() {
		String dir = dirField.getText();
		if (dir == null || dir.length() <= 0) {
			return false;
		}
		File root = new File(dir);
		if (root == null || !root.exists() || !root.isDirectory()) {
			return false;
		}
		if (!new File(root, "found").exists()
				|| !new File(root, "not-found").exists()) {
			return false;
		}
		return true;
	}