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 * StringAttributeHandler.java
029 * ---------------------------
030 * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
031 *
032 * Original Author:  Thomas Morgner;
033 * Contributor(s):   David Gilbert (for Object Refinery Limited);
034 *
035 * $Id: StringAttributeHandler.java,v 1.3 2005/11/03 09:30:38 mungady Exp $
036 *
037 * Changes 
038 * -------
039 * 24.09.2003 : Initial version
040 *  
041 */
042
043package org.jfree.xml.attributehandlers;
044
045/**
046 * A {@link String} attribute handler.
047 */
048public class StringAttributeHandler implements AttributeHandler {
049
050    /**
051     * Creates a new attribute handler.
052     */
053    public StringAttributeHandler() {
054        super();
055    }
056
057    /**
058     * Converts the attribute to a string.
059     * 
060     * @param o  the attribute ({@link String} expected).
061     * 
062     * @return A string.
063     */
064    public String toAttributeValue(final Object o) {
065        final String in = (String) o;
066        if (in != null) {
067            return in; 
068        }
069        return null;
070    }
071
072    /**
073     * Converts a copy of the string.
074     * 
075     * @param s  the string.
076     * 
077     * @return a {@link Short}.
078     */
079    public Object toPropertyValue(final String s) {
080        return s; 
081    }
082    
083}