Method elapsedTime

src/java/org/apache/nutch/util/TimingUtil.java:37–59

Calculate the elapsed time between two times specified in milliseconds. @param start The start of the time period @param end The end of the time period @return a string of the form "XhYmZs" when the elapsed time is X hours, Y minutes and Z seconds or null if start > end

(long start, long end)

   *         minutes and Z seconds or null if start > end.
   */
  public static String elapsedTime(long start, long end) {
    if (start > end) {
      return null;
    }

    long[] elapsedTime = new long[TIME_FACTOR.length];

    for (int i = 0; i < TIME_FACTOR.length; i++) {
      elapsedTime[i] = start > end ? -1 : (end - start) / TIME_FACTOR[i];
      start += TIME_FACTOR[i] * elapsedTime[i];
    }

    NumberFormat nf = NumberFormat.getInstance(Locale.ROOT);
    nf.setMinimumIntegerDigits(2);
    StringBuffer buf = new StringBuffer();
    for (int i = 0; i < elapsedTime.length; i++) {
      if (i > 0) {
        buf.append(":");
      }
      buf.append(nf.format(elapsedTime[i]));
    }
    return buf.toString();
  }
}