DateUtils.java

/*
 * Copyright (C) 2009-2017 Slava Semushin <slava.semushin@gmail.com>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package ru.mystamps.web.tests;

import java.util.Date;

public final class DateUtils {
	
	private static final long MAXIMUM_DIFFERENCE_IN_MILLIS = 10000L;
	
	private DateUtils() {
	}

	/**
	 * Checks that the dates roughly equal.
	 *
	 * Both dates must differ from each other no more than 10 seconds to pass this check.
	 */
	public static boolean roughlyEqual(Date first, Date second) {
		return first != null
				&& second != null
				&& Math.abs(first.getTime() - second.getTime()) <= MAXIMUM_DIFFERENCE_IN_MILLIS;
	}
	
}