001/*
002 * Copyright 2011 The Kuali Foundation.
003 * 
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * 
008 * http://www.opensource.org/licenses/ecl2.php
009 * 
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.ole.utility;
017
018import java.text.DecimalFormat;
019
020public class DateTimeUtil {
021
022    public static String formatTime(long endTime, long startTime) {
023        long milliseconds = endTime - startTime;
024        return formatTime(milliseconds);
025    }
026
027    public static String formatTime(long timeInMillisec) {
028        long hours;
029        long minutes;
030        long seconds;
031        long milliseconds = timeInMillisec;
032        double secAndMilliSec = (double) timeInMillisec / 1000;
033        double milliSec = secAndMilliSec - (long) secAndMilliSec;
034        DecimalFormat df = new DecimalFormat("#.###");
035        seconds = (milliseconds / 1000);
036        // milliseconds = milliseconds - seconds * 1000;
037        minutes = seconds / 60;
038        seconds = seconds - minutes * 60;
039        hours = minutes / 60;
040        minutes = minutes - hours * 60;
041        secAndMilliSec = (double) seconds + Double.valueOf(df.format(milliSec));
042        String timeTaken = hours + ":" + minutes + ":" + Double.valueOf(df.format(secAndMilliSec));
043        return timeTaken;
044    }
045
046}