Java Calendar Minute roundByMinutes(Calendar cal, int interval)

Description

round By Minutes

License

Open Source License

Declaration

public static Calendar roundByMinutes(Calendar cal, int interval) 

Method Source Code

//package com.java2s;
/**//from w  w w.j av a2  s .c om
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

import java.util.Calendar;

public class Main {
    public static Calendar roundByMinutes(Calendar cal, int interval) {
        int minutes = cal.get(Calendar.MINUTE);

        int delta = 0;

        if (minutes < interval) {
            delta = interval - minutes;
        } else {
            delta = interval - (minutes % interval);
        }

        if (delta == interval) {
            delta = 0;
        }

        cal.add(Calendar.MINUTE, delta);

        return cal;
    }
}

Related

1. getMinutes(String expression, Calendar time)
2. getMinutesInterval(Calendar start, Calendar end)
3. getOffsetInMinutes(Calendar cal)
4. isNow(Calendar cal, Locale locale, boolean minuteCheck)
5. minuteFloor(Calendar calendar)
6. setCalendarHourMinSec(final Calendar originalCalendar, final int hourOfDay, final int minute, final int second)
7. setCalendarTime(Calendar calendar, int hour, int minute, int second, int millis)
8. setMinutes(int i, Calendar calendar)
9. setTime(Calendar calendar, int hourOfDay, int minute, int second, int millisecond)