Java Sleep for Second walltimeFromSeconds(long walltimeSecs)

Description

Converts seconds into a human readable walltime string with as many H's as necessary.

License

Apache License

Parameter

Parameter	Description
walltimeSecs	seconds

Return

time string

Declaration

public static String walltimeFromSeconds(long walltimeSecs) 

Method Source Code

//package com.java2s;
/*//ww w  .ja v a2 s  .  co m
 * Copyright 1999-2008 University of Chicago
 *
 * 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.
 */

public class Main {
    /**
     * Converts seconds into a human readable walltime string with as many
     * H's as necessary. Mainly doing this for human readable logging.
     * @param walltimeSecs seconds
     * @return time string
     */
    public static String walltimeFromSeconds(long walltimeSecs) {
        if (walltimeSecs < 0 || walltimeSecs == 0) {
            return "00:00:00";
        }

        final long hours = walltimeSecs / 3600;
        final long hoursDiff = walltimeSecs - hours * 3600;
        final long minutes = hoursDiff / 60;
        final long seconds = walltimeSecs - hours * 3600 - minutes * 60;

        final StringBuffer buf = new StringBuffer(16);
        appenNum(buf, hours, false);
        appenNum(buf, minutes, false);
        appenNum(buf, seconds, true);

        return buf.toString();
    }

    private static void appenNum(StringBuffer buf, long num, boolean end) {
        if (num == 0 && !end) {
            buf.append("00");
        } else if (num < 10) {
            buf.append("0").append(num);
        } else {
            buf.append(num);
        }
        if (!end) {
            buf.append(":");
        }
    }
}

Related

1. waitForASecond()
2. waitForSeconds(int timeoutInSeconds)
3. waitSeconds(final long waitTimeInSeconds)
4. waitSeconds(int seconds)
5. waitXSeconds(int s)