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 * LongAttributeHandler.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: LongAttributeHandler.java,v 1.2 2005/10/18 13:30:16 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 class that handles the conversion of {@link Long} attributes to and from an appropriate
047 * {@link String} representation.
048 */
049 public class LongAttributeHandler implements AttributeHandler {
050
051 /**
052 * Creates a new attribute handler.
053 */
054 public LongAttributeHandler() {
055 super();
056 }
057
058 /**
059 * Converts the attribute to a string.
060 *
061 * @param o the attribute ({@link Long} expected).
062 *
063 * @return A string representing the {@link Long} value.
064 */
065 public String toAttributeValue(final Object o) {
066 final Long in = (Long) o;
067 return in.toString();
068 }
069
070 /**
071 * Converts a string to a {@link Long}.
072 *
073 * @param s the string.
074 *
075 * @return a {@link Long}.
076 */
077 public Object toPropertyValue(final String s) {
078 return new Long(s);
079 }
080
081 }