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 * GradientPaintWriteHandler.java
029 * ------------------------------
030 * (C)opyright 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: GradientPaintWriteHandler.java,v 1.4 2005/10/18 13:35:21 mungady Exp $
036 *
037 * Changes
038 * -------
039 * 12-Nov-2003 : Initial version (TM);
040 * 23-Dec-2003 : Updated header (DG);
041 *
042 */
043
044 package org.jfree.xml.writer.coretypes;
045
046 import java.awt.Color;
047 import java.awt.GradientPaint;
048 import java.awt.geom.Point2D;
049 import java.io.IOException;
050
051 import org.jfree.xml.writer.AbstractXmlWriteHandler;
052 import org.jfree.xml.writer.RootXmlWriteHandler;
053 import org.jfree.xml.writer.XMLWriter;
054 import org.jfree.xml.writer.XMLWriterException;
055
056 /**
057 * A handler for writing {@link GradientPaint} objects.
058 */
059 public class GradientPaintWriteHandler extends AbstractXmlWriteHandler {
060
061 /**
062 * Default constructor.
063 */
064 public GradientPaintWriteHandler() {
065 super();
066 }
067
068 /**
069 * Performs the writing of a {@link GradientPaint} object.
070 *
071 * @param tagName the tag name.
072 * @param object the {@link GradientPaint} object.
073 * @param writer the writer.
074 * @param mPlexAttribute ??.
075 * @param mPlexValue ??.
076 *
077 * @throws IOException if there is an I/O error.
078 * @throws XMLWriterException if there is a writer error.
079 */
080 public void write(final String tagName, final Object object, final XMLWriter writer,
081 final String mPlexAttribute, final String mPlexValue)
082 throws IOException, XMLWriterException {
083 final GradientPaint paint = (GradientPaint) object;
084 writer.writeTag(tagName, mPlexAttribute, mPlexValue, false);
085 writer.startBlock();
086 final RootXmlWriteHandler rootHandler = getRootHandler();
087 rootHandler.write("color1", paint.getColor1(), Color.class, writer);
088 writer.allowLineBreak();
089 rootHandler.write("color2", paint.getColor2(), Color.class, writer);
090 writer.allowLineBreak();
091 rootHandler.write("point1", paint.getPoint1(), Point2D.class, writer);
092 writer.allowLineBreak();
093 rootHandler.write("point2", paint.getPoint2(), Point2D.class, writer);
094 writer.endBlock();
095 writer.writeCloseTag(tagName);
096 }
097 }