    001/* ========================================================================
    002 * JCommon : a free general purpose class library for the Java(tm) platform
    003 * ========================================================================
    004 *
    005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
    006 *
    007 * Project Info:  http://www.jfree.org/jcommon/index.html
    008 *
    009 * This library is free software; you can redistribute it and/or modify it
    010 * under the terms of the GNU Lesser General Public License as published by
    011 * the Free Software Foundation; either version 2.1 of the License, or
    012 * (at your option) any later version.
    013 *
    014 * This library is distributed in the hope that it will be useful, but
    015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017 * License for more details.
    018 *
    019 * You should have received a copy of the GNU Lesser General Public
    020 * License along with this library; if not, write to the Free Software
    021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022 * USA.
    023 *
    024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025 * in the United States and other countries.]
    026 *
    027 * ------------------
    028 * DateUtilities.java
    029 * ------------------
    030 * (C) Copyright 2002, 2003, by Object Refinery Limited.
    031 *
    032 * Original Author:  David Gilbert (for Object Refinery Limited);
    033 * Contributor(s):   -;
    034 *
    035 * $Id: DateUtilities.java,v 1.4 2005/11/16 15:58:40 taqua Exp $
    036 *
    037 * Changes
    038 * -------
    039 * 11-Oct-2002 : Version 1 (DG);
    040 * 03-Apr-2003 : Added clear() method call (DG)
    041 *
    042 */
    043
    044package org.jfree.date;
    045
    046import java.util.Calendar;
    047import java.util.Date;
    048
    049/**
    050 * Some useful date methods.
    051 *
    052 * @author David Gilbert.
    053 */
    054public class DateUtilities {
    055
    056    /**
    057     * Private constructor to prevent object creation.
    058     */
    059    private DateUtilities() {
    060    }
    061
    062    /** A working calendar. */
    063    private static final Calendar CALENDAR = Calendar.getInstance();
    064
    065    /**
    066     * Creates a date.
    067     *
    068     * @param yyyy  the year.
    069     * @param month  the month (1 - 12).
    070     * @param day  the day.
    071     *
    072     * @return a date.
    073     */
    074    public static synchronized Date createDate(final int yyyy, final int month, final int day) {
    075        CALENDAR.clear();
    076        CALENDAR.set(yyyy, month - 1, day);
    077        return CALENDAR.getTime();
    078    }
    079
    080    /**
    081     * Creates a date.
    082     *
    083     * @param yyyy  the year.
    084     * @param month  the month (1 - 12).
    085     * @param day  the day.
    086     * @param hour  the hour.
    087     * @param min  the minute.
    088     *
    089     * @return a date.
    090     */
    091    public static synchronized Date createDate(final int yyyy, final int month, final int day, final int hour, final int min) {
    092
    093        CALENDAR.clear();
    094        CALENDAR.set(yyyy, month - 1, day, hour, min);
    095        return CALENDAR.getTime();
    096
    097    }
    098
    099
    100}