code: private static String formatTimeLive(long timeLive) {
      String timeString = "ms";
      timeString = (timeLive % 1000) + timeString;
      timeLive = timeLive / 1000;
      if(timeLive > 0) {
        timeString = (timeLive % 60) + "s" + timeString;
        timeLive = timeLive / 60;
        if(timeLive > 0) {
          timeString = (timeLive % 60) + "m" + timeString;
          timeLive = timeLive / 60;
          if(timeLive > 0) {
            timeString = (timeLive % 24) + "h" + timeString;
            timeLive = timeLive / 24;
            if(timeLive > 0) {
              timeString = (timeLive) + "d" + timeString;
            }
          }
        }
      }
      return timeString;
    }
docs: Helper method to format a timestamp.
  
  @param timeLive
  @return