format Elapsed Time - Java java.util

Java examples for java.util:Date Format

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Description

format Elapsed Time

Demo Code


//package com.java2s;
import java.util.Formatter;
import java.util.Locale;

public class Main {
    public static void main(String[] argv) throws Exception {
        long elapsedSeconds = 2;
        System.out.println(formatElapsedTime(elapsedSeconds));
    }/* www  .ja  v  a  2s .c o  m*/

    private static final String ELAPSED_TIME_HMMSS = "%1$d:%2$02d:%3$02d";
    private static final String ELAPSED_TIME_MMSS = "%1$02d:%2$02d";

    public static CharSequence formatElapsedTime(long elapsedSeconds) {

        long hours = 0;
        long minutes = 0;
        long seconds = 0;
        if (elapsedSeconds >= 3600) {
            hours = elapsedSeconds / 3600;
            elapsedSeconds -= hours * 3600;
        }
        if (elapsedSeconds >= 60) {
            minutes = elapsedSeconds / 60;
            elapsedSeconds -= minutes * 60;
        }
        seconds = elapsedSeconds;

        Formatter f = new Formatter(new StringBuilder(10),
                Locale.getDefault());
        if (hours > 0) {
            return f.format(ELAPSED_TIME_HMMSS, hours, minutes, seconds)
                    .toString();
        } else {
            return f.format(ELAPSED_TIME_MMSS, minutes, seconds).toString();
        }
    }
}

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