Java Calendar Night midnightOf(Calendar cal)

Description

midnight Of

License

Open Source License

Declaration

public static Calendar midnightOf(Calendar cal) 

Method Source Code

//package com.java2s;
/*/*  w  w  w  . j  a va  2s  .  c om*/
 * (c) Copyright 2007-2013 by Volker Bergmann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted under the terms of the
 * GNU General Public License.
 *
 * For redistributing this software or a derivative work under a license other
 * than the GPL-compatible Free Software License as defined by the Free
 * Software Foundation or approved by OSI, you must first obtain a commercial
 * license to this software product from Volker Bergmann.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
 * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
 * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Calendar;

import java.util.TimeZone;

public class Main {
    public static Date midnightOf(Date date) {
        return midnightOf(calendar(date)).getTime();
    }

    public static Calendar midnightOf(Calendar cal) {
        cal.set(Calendar.HOUR_OF_DAY, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        return cal;
    }

    public static Calendar calendar(int year, int month, int day) {
        return new GregorianCalendar(year, month, day);
    }

    public static Calendar calendar(int year, int month, int day, TimeZone timeZone) {
        GregorianCalendar calendar = new GregorianCalendar(timeZone);
        calendar.set(Calendar.YEAR, year);
        calendar.set(Calendar.MONTH, month);
        calendar.set(Calendar.DAY_OF_MONTH, day);
        return calendar;
    }

    public static Calendar calendar(int year, int month, int day, int hours, int minutes, int seconds,
            int milliseconds) {
        GregorianCalendar calendar = new GregorianCalendar(year, month, day, hours, minutes, seconds);
        calendar.set(Calendar.MILLISECOND, milliseconds);
        return calendar;
    }

    public static Calendar calendar(int year, int month, int day, int hours, int minutes, int seconds,
            int milliseconds, TimeZone timeZone) {
        GregorianCalendar calendar = new GregorianCalendar(year, month, day, hours, minutes, seconds);
        calendar.setTimeZone(timeZone);
        calendar.set(Calendar.MILLISECOND, milliseconds);
        return calendar;
    }

    public static Calendar calendar(long millis) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTimeInMillis(millis);
        return calendar;
    }

    public static Calendar calendar(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        return calendar;
    }
}

Related

1. getMidnightCalendar()
2. getMidnightCalendarInstance()
3. setMidnight(Calendar cal)
4. setMidnight(Calendar date)
5. setMidnight(final Calendar cal)
6. toMidnightCalendar(Date date)