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,v 1.3 2007/04/01 18:49:33 taqua Exp $
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(int i)
056 {
057 if (i < 0) return new Integer(i);
058 if (i > 999) return new Integer(i);
059 return cachedNumbers[i];
060 }
061 }