Java Duration Format formatDuration(long timeInMillis)

Description

format Duration

License

Apache License

Declaration

public static String formatDuration(long timeInMillis) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.time.Duration;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    private static final Pattern DUR_PAT = Pattern.compile("(\\d+)(\\s?(?:d|h|ms?|s))");

    public static String formatDuration(long timeInMillis) {
        return formatDuration(toDuration(timeInMillis));
    }/* ww  w.jav a  2s  .  c  o m*/

    public static String formatDuration(long timeInMillis, boolean includeIntermed) {
        return formatDuration(toDuration(timeInMillis), includeIntermed);
    }

    public static String formatDuration(Duration dur) {
        return formatDuration(dur, false);
    }

    public static String formatDuration(Duration dur, boolean includeIntermed) {
        StringBuilder sb = new StringBuilder();
        boolean firstFound = false;
        long secs = dur.getSeconds();
        long tmp = secs / 86400L;
        if (tmp > 0) {
            sb.append(tmp).append("d ");
            secs %= 86400L;
            firstFound = true;
        }
        tmp = secs / 3600L;
        if ((includeIntermed && firstFound) || tmp > 0) {
            sb.append(tmp).append("h ");
            if (tmp > 0) {
                secs %= 3600L;
                firstFound = true;
            }
        }
        tmp = secs / 60L;
        if ((includeIntermed && firstFound) || tmp > 0) {
            sb.append(tmp).append("m ");
            if (tmp > 0) {
                secs %= 60L;
                firstFound = true;
            }
        }
        if ((includeIntermed && firstFound) || secs > 0) {
            sb.append(secs).append("s ");
        }
        tmp = dur.getNano() / 1000000L;
        if (tmp > 0) {
            sb.append(tmp).append("ms ");
        }
        if (sb.length() == 0) {
            sb.append("0ms ");
        }
        sb.setLength(sb.length() - 1);
        return sb.toString();
    }

    public static Duration toDuration(String durationString) {
        Duration dur = Duration.ZERO;
        Matcher match = DUR_PAT.matcher(durationString);
        while (match.find()) {
            long amount = Long.parseLong(match.group(1));
            switch (match.group(2)) {
            case "d":
                dur = dur.plusDays(amount);
                break;
            case "h":
                dur = dur.plusHours(amount);
                break;
            case "m":
                dur = dur.plusMinutes(amount);
                break;
            case "s":
                dur = dur.plusSeconds(amount);
                break;
            case "ms":
                dur = dur.plusNanos(amount * 1000000L);
                break;
            }
        }
        return dur;
    }

    public static Duration toDuration(long timeInMillis) {
        return Duration.ofMillis(timeInMillis);
    }
}

Related

1. formatDuration(long ms)
2. formatDuration(long number)
3. formatDuration(long seconds)
4. formatDuration(long seconds)
5. formatDuration(long t_millis)
6. formatDurationAsTime(final int duration)
7. formatDurationHMSms(long ms)
8. formatDurationLpad(final String s)
9. formatDurationMills(long millis)