Java Month Add getEndOfMonth(Date date)

Description

get End Of Month

License

Open Source License

Declaration

public static Date getEndOfMonth(Date date) 

Method Source Code

//package com.java2s;
/*//from w w  w .ja  v  a  2s . c o  m
 * Copyright (c) 2014 Brockmann Consult GmbH (info@brockmann-consult.de)
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 3 of the License, or (at your option)
 * any later version.
 * This program 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see http://www.gnu.org/licenses/
 */

import java.util.*;

public class Main {
    public static Date getEndOfMonth(Date date) {
        final GregorianCalendar utcCalendar = createUtcCalendar(date);
        final int maxDay = utcCalendar.getActualMaximum(Calendar.DAY_OF_MONTH);
        utcCalendar.set(Calendar.DAY_OF_MONTH, maxDay);
        return getEndOfDay(utcCalendar.getTime());
    }

    public static GregorianCalendar createUtcCalendar() {
        return new GregorianCalendar(TimeZone.getTimeZone("UTC"), Locale.ENGLISH);
    }

    public static GregorianCalendar createUtcCalendar(Date date) {
        final GregorianCalendar calendar = new GregorianCalendar(TimeZone.getTimeZone("UTC"), Locale.ENGLISH);
        calendar.setTime(date);
        return calendar;
    }

    public static Date getEndOfDay(Date day) {
        final GregorianCalendar calendar = createUtcCalendar(day);
        calendar.add(Calendar.DAY_OF_MONTH, 1);
        calendar.set(Calendar.MILLISECOND, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        return calendar.getTime();
    }
}

Related

1. addMonths(String s, int month)
2. addMonths2(String dateStr, int months)
3. addMonthsAndDays(Date date, int months, int days)
4. addMonthTimetamp(long lTimeStamp, String _pattern, int month)
5. getEndOfMonth(Date currentDate)
6. getEndOfMonth(long date)
7. monthAdd(final String strDate, final int month)