    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    }