Checks if the given date object is in the past. - Java java.util

Java examples for java.util:Calendar Calculation

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Description

Checks if the given date object is in the past.

Demo Code

/**//ww  w . j ava 2 s .  com
 * The MIT License
 *
 * Copyright (C) 2007 Asterios Raptis
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
//package com.java2s;

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

public class Main {
    public static void main(String[] argv) throws Exception {
        Date date = new Date();
        System.out.println(isDateInThePast(date));
    }

    /**
     * Checks if the given date object is in the past.
     *
     * @param date
     *            The date to check.
     * @return Returns true if the given date is in the past otherwise false.
     */
    public static boolean isDateInThePast(final Date date) {
        boolean inPast = false;
        final Calendar compare = Calendar.getInstance();
        compare.setTime(date);
        final Calendar now = Calendar.getInstance();
        now.setTime(new Date(System.currentTimeMillis()));
        inPast = now.after(compare);
        return inPast;
    }

    /**
     * Returns true if the given from Date is after the given when Date otherwise false.
     *
     * @param point
     *            the point of time from where to check if it is after.
     * @param when
     *            the when
     * @return true, if successful
     */
    public static boolean after(final Date point, final Date when) {
        final Calendar pointCalendar = Calendar.getInstance();
        pointCalendar.setTime(point);
        final Calendar whenCalendar = Calendar.getInstance();
        whenCalendar.setTime(when);
        return pointCalendar.after(whenCalendar);
    }
}

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