timeperiod.java

网络游戏天堂1的java源代码。。。。。

/*
 * 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, 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., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package l1j.server.server.utils;

import java.sql.Time;
import java.util.logging.Logger;

import l1j.server.server.model.gametime.L1GameTime;

public class TimePeriod {
	private static l1j.eric.EricLogger _log =  l1j.eric.EricLogger.getLogger2(TimePeriod.class.getName());

	private final Time _timeStart;
	private final Time _timeEnd;

	public TimePeriod(Time timeStart, Time timeEnd) {
		if (timeStart.equals(timeEnd)) {
			throw new IllegalArgumentException(
					"timeBegin must not equals timeEnd");
		}

		_timeStart = timeStart;
		_timeEnd = timeEnd;
	}

	private boolean includes(L1GameTime time, Time timeStart, Time timeEnd) {
		Time when = time.toTime();
		return timeStart.compareTo(when) <= 0 && 0 < timeEnd.compareTo(when);
	}

	public boolean includes(L1GameTime time) {
		/*
		 * 分かりづらいロジック・・・ timeStart after timeEndのとき(例:18:00~06:00)
		 * timeEnd~timeStart(06:00~18:00)の範囲内でなければ、
		 * timeStart~timeEnd(18:00~06:00)の範囲内と見なせる
		 */
		return _timeStart.after(_timeEnd) ? !includes(time, _timeEnd,
				_timeStart) : includes(time, _timeStart, _timeEnd);
	}
}