Java TimeUnit Calculate getTimeString(long value, TimeUnit unit)

Description

get Time String

License

Apache License

Declaration

public static String getTimeString(long value, TimeUnit unit) 

Method Source Code

//package com.java2s;
/*//from   w  ww .  j  a v a2  s .co m
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
*/

import java.util.concurrent.TimeUnit;

public class Main {
    private static int[] factors = { 1000, 1000, 1000, 1000, 60, 60, 24 };

    public static String getTimeString(long value, TimeUnit unit) {
        if (value <= 0)
            return "";
        int i = unit.ordinal();
        TimeUnit[] units = TimeUnit.values();
        TimeUnit next = null;
        int factor = -1;
        if (i < factors.length - 1) {
            next = units[i + 1];
            factor = factors[i + 1];
            long nextValue = value / factor;
            if (nextValue > 0)
                return getTimeString(value / factor, next) + " " + getTimeString(value % factor, unit);
        }

        return value + toString(unit);
    }

    public static String toString(TimeUnit unit) {
        switch (unit) {
        case HOURS:
        case DAYS:
        case MINUTES:
        case SECONDS:
            return unit.toString().substring(0, 1).toLowerCase();
        case MILLISECONDS:
            return "ms";
        case MICROSECONDS:
            return "micros";
        case NANOSECONDS:
            return "ns";
        }
        return "";
    }
}

Related

1. getParentUnit(TimeUnit unit)
2. getProperUnitName(TimeUnit unit, long amount)
3. getRandomTimeRound(int _duration, TimeUnit _unit)
4. getTimeBucket(TimeUnit unit, long timestamp, int bucketSizeInSeconds)
5. getTimeInMillis(TimeUnit unit)
6. getTimeUnit(Object units)
7. getTimeUnit(String timeUnit, TimeUnit defaultUnit)
8. getTimeUnitByName(String timeUnit, TimeUnit defaultTimeUnit)
9. getValueString(long value, TimeUnit unit)