Java TimeUnit Usage formatTime(String format, double nanoseconds)

Description

format Time

License

Open Source License

Declaration

public static String formatTime(String format, double nanoseconds) 

Method Source Code

//package com.java2s;
/***************************************************************************
 *  Copyright (C) 2011 by H-Store Project                                  *
 *  Brown University                                                       *
 *  Massachusetts Institute of Technology                                  *
 *  Yale University                                                        *
 *                                                                         *
 *  http://hstore.cs.brown.edu/                                            *
 *                                                                         *
 *  Permission is hereby granted, free of charge, to any person obtaining  *
 *  a copy of this software and associated documentation files (the        *
 *  "Software"), to deal in the Software without restriction, including    *
 *  without limitation the rights to use, copy, modify, merge, publish,    *
 *  distribute, sublicense, and/or sell copies of the Software, and to     *
 *  permit persons to whom the Software is furnished to do so, subject to  *
 *  the following conditions:                                              *
 *                                                                         *
 *  The above copyright notice and this permission notice shall be         *
 *  included in all copies or substantial portions of the Software.        *
 *                                                                         *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        *
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     *
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
 *  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR      *
 *  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,  *
 *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR  *
 *  OTHER DEALINGS IN THE SOFTWARE.                                        *
 ***************************************************************************/

import java.util.concurrent.TimeUnit;

public class Main {
    public static String formatTime(String format, double nanoseconds) {
        return formatTime(format, nanoseconds, TimeUnit.NANOSECONDS);
    }//from  w  w  w  . j  a  v a 2s .  c o  m

    /**
     * 
     * @param format
     * @param nanoseconds
     * @return
     */
    public static String formatTime(String format, double time, TimeUnit unit) {
        double nanoseconds;
        nanoseconds = Math.abs(unit.toNanos((long) time));
        String unitLabel = "ns";

        // Seconds
        if (nanoseconds > 1000000000) {
            time /= 1000000000d;
            unitLabel = "s";
            // Milliseconds
        } else if (nanoseconds > 1000000) {
            time /= 1000000d;
            unitLabel = "ms";
            // Microseconds
        } else if (nanoseconds > 1000) {
            time /= 1000d;
            unitLabel = "\u00B5s";
        }
        return String.format(format, (double) time) + unitLabel;
    }
}

Related

1. formatMs(long millis)
2. formatSeconds(int seconds)
3. formatTime(long time)
4. formatTime(long time)
5. formatTime(long timeInNanoseconds)
6. formatTimeDuration(long duration)
7. formatTimeInMilliSeconds(long duration)
8. formatUptime(long startTime)
9. formatUptime(long uptimeInMs)