Here you can find the source of formatDurationHMSms(long ms)
public static String formatDurationHMSms(long ms)
//package com.java2s; /*//from ww w . j a va2s .c om * Robonobo Common Utils * Copyright (C) 2008 Will Morton (macavity@well.com) & Ray Hilton (ray@wirestorm.net) * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ public class Main { public static String formatDurationHMSms(long ms) { long hrs = ms / 1000 / 60 / 60; long min = ms / 1000 / 60 % 60; long sec = ms / 1000 % 60; long rms = ms % 1000; return leftPad(String.valueOf(hrs), 2, '0') + ":" + leftPad(String.valueOf(min), 2, '0') + ":" + leftPad(String.valueOf(sec), 2, '0') + ":" + leftPad(String.valueOf(rms), 3, '0'); } public static String leftPad(String str, int size) { return leftPad(str, size, ' '); } public static String leftPad(String str, int size, char padChar) { if (str.length() >= size) return str; StringBuffer sb = new StringBuffer(); for (int i = 0; i < size - str.length(); i++) { sb.append(padChar); } sb.append(str); return sb.toString(); } }