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 * Point2DReadHandler
029 * ------------------
030 * (C) Copyright 2003, by Thomas Morgner and Contributors.
031 *
032 * Original Author:  Thomas Morgner;
033 * Contributor(s):   David Gilbert (for Object Refinery Limited);
034 *
035 * $Id: Point2DReadHandler.java,v 1.2 2005/10/18 13:33:32 mungady Exp $
036 *
037 * Changes (from 25-Nov-2003)
038 * --------------------------
039 * 25-Nov-2003 : Added standard header and Javadocs (DG);
040 *
041 */
042
043package org.jfree.xml.parser.coretypes;
044
045
046import java.awt.geom.Point2D;
047
048import org.jfree.xml.parser.AbstractXmlReadHandler;
049import org.xml.sax.Attributes;
050import org.xml.sax.SAXException;
051
052/**
053 * A SAX handler for reading {@link Point2D} objects from an XML element.
054 */
055public class Point2DReadHandler extends AbstractXmlReadHandler  {
056
057    /** The point under construction. */
058    private Point2D point;
059
060    /**
061     * Creates a new handler.
062     */
063    public Point2DReadHandler() {
064        super();
065    }
066
067    /** 
068     * At the start of parsing, the attributes are read and used to construct the point.
069     * 
070     * @param attrs  the attributes.
071     * 
072     * @throws SAXException if there is a parsing error.
073     */
074    protected void startParsing(final Attributes attrs) throws SAXException {
075        final String x = attrs.getValue("x");
076        final String y = attrs.getValue("y");
077        this.point = new Point2D.Double(Double.parseDouble(x),
078                                        Double.parseDouble(y));
079    }
080
081    /**
082     * Returns the point under construction.
083     * 
084     * @return the point.
085     */
086    public Point2D getPoint2D() {
087        return this.point;
088    }
089
090    /**
091     * Returns the point under construction.
092     * 
093     * @return the point.
094     */
095    public Object getObject() {
096        return this.point;
097    }
098    
099}