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    
043    package org.jfree.xml.attributehandlers;
044    
045    /**
046     * A {@link String} attribute handler.
047     */
048    public 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    }