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: ShortValueConverter.java,v 1.7 2007/04/01 18:49:34 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.beans;
032
033 /**
034 * A class that handles the conversion of {@link Integer} attributes to and from their
035 * {@link String} representation.
036 *
037 * @author Thomas Morgner
038 */
039 public class ShortValueConverter implements ValueConverter
040 {
041
042 /**
043 * Creates a new value converter.
044 */
045 public ShortValueConverter ()
046 {
047 super();
048 }
049
050 /**
051 * Converts the attribute to a string.
052 *
053 * @param o the attribute ({@link Integer} expected).
054 * @return A string representing the {@link Integer} value.
055 */
056 public String toAttributeValue (final Object o)
057 {
058 if (o instanceof Short)
059 {
060 return o.toString();
061 }
062 throw new ClassCastException("Give me a real type.");
063 }
064
065 /**
066 * Converts a string to a {@link Integer}.
067 *
068 * @param s the string.
069 * @return a {@link Integer}.
070 */
071 public Object toPropertyValue (final String s)
072 {
073 return new Short(s);
074 }
075 }