001    /**
002     * ========================================
003     * JFreeReport : a free Java report library
004     * ========================================
005     *
006     * Project Info:  http://reporting.pentaho.org/
007     *
008     * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     * ------------
026     * $Id: IntegerCache.java 3525 2007-10-16 11:43:48Z tmorgner $
027     * ------------
028     * (C) Copyright 2000-2005, by Object Refinery Limited.
029     * (C) Copyright 2005-2007, by Pentaho Corporation.
030     */
031    package org.jfree.report.util;
032    
033    /**
034     * Creation-Date: 03.03.2006, 12:36:07
035     *
036     * @author Thomas Morgner
037     */
038    public class IntegerCache
039    {
040      private static Integer[] cachedNumbers;
041    
042      static
043      {
044        cachedNumbers = new Integer[1000];
045        for (int i = 0; i < cachedNumbers.length; i++)
046        {
047          cachedNumbers[i] = new Integer(i);
048        }
049      }
050    
051      private IntegerCache()
052      {
053      }
054    
055      public static Integer getInteger(final int i)
056      {
057        if (i < 0)
058        {
059          return new Integer(i);
060        }
061        if (i > 999)
062        {
063          return new Integer(i);
064        }
065        return cachedNumbers[i];
066      }
067    }