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    
044    package org.jfree.date;
045    
046    import java.util.Calendar;
047    import java.util.Date;
048    
049    /**
050     * Some useful date methods.
051     *
052     * @author David Gilbert.
053     */
054    public 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    }