Java Long Number to Time getTimeString(long time)

Description

Given a time value in milliseconds, this method returns a human readable representation.

License

Open Source License

Parameter

Parameter	Description
time	Time in millseconds.

Return

Human Readable Representation of Time.

Declaration

public static String getTimeString(long time) 

Method Source Code

//package com.java2s;
/*//  w w  w .  j a  va2s.co m
 * #%L
 * Cytoscape Work Swing Impl (work-swing-impl)
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2006 - 2013 The Cytoscape Consortium
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as 
 * published by the Free Software Foundation, either version 2.1 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 Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public 
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
 * #L%
 */

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.TimeZone;

public class Main {
    /**
     * Not Available String.
     */
    public static final String NOT_AVAILABLE_STR = "N/A";

    /**
     * Given a time value in milliseconds, this method returns a human
     * readable representation.
     * Here are a few examples:
     * <P>
     * <UL>
     * <LI>If time is negative, the human readable representation is "N/A".
     * <LI>If time is 3000, the human readable representation is "00:03".
     * <LI>If time is 300000, the human readable representation is "05:00".
     * <LI>If time is 302000, the human readable representation is "05:02".
     * <LI>If time is 3601000, the human readable representation is
     * "01:00:01".
     * </UL>
     *
     * @param time Time in millseconds.
     * @return Human Readable Representation of Time.
     */
    public static String getTimeString(long time) {
        if (time < 0) {
            return NOT_AVAILABLE_STR;
        } else {
            //  Use GMT Time Zone so that we start exactly at the
            //  Epoch:  midnight, GM, January 1st, 1970.
            SimpleDateFormat dateFormat;
            TimeZone timeZone = TimeZone.getTimeZone("GMT");
            Calendar calendar = Calendar.getInstance(timeZone);
            calendar.setTimeInMillis(time);

            if (calendar.get(Calendar.HOUR) >= 1) {
                dateFormat = new SimpleDateFormat("HH:mm:ss");
            } else {
                dateFormat = new SimpleDateFormat("mm:ss");
            }

            dateFormat.setCalendar(calendar);

            return dateFormat.format(calendar.getTime());
        }
    }
}

Related

1. getTimeOld(long time)
2. getTimestampDiff(Long old)
3. getTimeStr(long t)
4. getTimeStr(long timeLong)
5. getTimeString(long nanoTime)
6. getTimeTagged(long time, boolean round)
7. getTimeText(Long oldTime)
8. getUploadPath(String fileName, long time)
9. logDuration(Logger logger, Level level, long startTime, String message)