private List<String> sortLogfiles(List<String> logfiles) {

		List<Object[]> list = new ArrayList<>();
		for (String logfile : logfiles) {
			try (BufferedReader reader = new BufferedReader(new FileReader(
					new File(logfile)))) {

				String line = reader.readLine();
//				Date date = P1Util.parseTime(line);
//				list.add(new Object[] { date, logfile });

			} catch (IOException e) {
			}
		}

		Collections.sort(list, new FileComparator());

		List<String> sorted = new ArrayList<>();
		for (Object[] o : list) {
			sorted.add((String) o[1]);
		}

		return sorted;
	}