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     * Point2DWriteHandler.java
029     * ------------------------
030     * (C) Copyright 2003-2005, by Thomas Morgner and Contributors.
031     *
032     * Original Author:  Thomas Morgner;
033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
034     *
035     * $Id: Point2DWriteHandler.java,v 1.3 2005/10/18 13:35:21 mungady Exp $
036     *
037     * Changes (from 25-Nov-2003)
038     * --------------------------
039     * 25-Nov-2003 : Added standard header (DG);
040     *
041     */
042    
043    package org.jfree.xml.writer.coretypes;
044    
045    import java.awt.geom.Point2D;
046    import java.io.IOException;
047    
048    import org.jfree.xml.writer.AbstractXmlWriteHandler;
049    import org.jfree.xml.writer.AttributeList;
050    import org.jfree.xml.writer.XMLWriter;
051    import org.jfree.xml.writer.XMLWriterException;
052    
053    /**
054     * A handler for writing a {@link Point2D} object.
055     */
056    public class Point2DWriteHandler extends AbstractXmlWriteHandler {
057        
058        /**
059         * Default constructor.
060         */
061        public Point2DWriteHandler() {
062            super();
063        }
064    
065        /**
066         * Performs the writing of a {@link Point2D} object.
067         *
068         * @param tagName  the tag name.
069         * @param object  the {@link Point2D} object.
070         * @param writer  the writer.
071         * @param mPlexAttribute  ??.
072         * @param mPlexValue  ??.
073         * 
074         * @throws IOException if there is an I/O error.
075         * @throws XMLWriterException if there is a writer error.
076         */
077        public void write(final String tagName, final Object object, final XMLWriter writer,
078                          final String mPlexAttribute, final String mPlexValue)
079            throws IOException, XMLWriterException {
080            final Point2D point = (Point2D) object;
081            final double x = point.getX();
082            final double y = point.getY();
083            final AttributeList attribs = new AttributeList();
084            if (mPlexAttribute != null) {
085                attribs.setAttribute(mPlexAttribute, mPlexValue);
086            }
087            attribs.setAttribute("x", String.valueOf(x));
088            attribs.setAttribute("y", String.valueOf(y));
089            writer.writeTag(tagName, attribs, true);
090        }
091    }