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: ByteValueConverter.java 2725 2007-04-01 18:49:29Z taqua $
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 Byte} attributes to and from their {@link
035     * String} representation.
036     *
037     * @author Thomas Morgner
038     */
039    public class ByteValueConverter implements ValueConverter
040    {
041    
042      /**
043       * Creates a new value converter.
044       */
045      public ByteValueConverter ()
046      {
047        super();
048      }
049    
050      /**
051       * Converts the attribute to a string.
052       *
053       * @param o the attribute ({@link Byte} expected).
054       * @return A string representing the {@link Byte} value.
055       */
056      public String toAttributeValue (final Object o)
057      {
058        if (o instanceof Byte)
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 Byte}.
067       *
068       * @param s the string.
069       * @return a {@link Byte}.
070       */
071      public Object toPropertyValue (final String s)
072      {
073        return new Byte(s);
074      }
075    }