    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     * Rectangle2DReadHandler
    029     * ----------------------
    030     * (C) Copyright 2003, by Thomas Morgner and Contributors.
    031     *
    032     * Original Author:  Thomas Morgner;
    033     * Contributor(s):   -;
    034     *
    035     * $Id: Rectangle2DReadHandler.java,v 1.2 2005/10/18 13:33:32 mungady Exp $
    036     *
    037     * Changes
    038     * -------
    039     *
    040     */
    041
    042    package org.jfree.xml.parser.coretypes;
    043
    044    import java.awt.geom.Rectangle2D;
    045
    046    import org.jfree.xml.parser.AbstractXmlReadHandler;
    047    import org.xml.sax.Attributes;
    048    import org.xml.sax.SAXException;
    049
    050    /**
    051     * A handler for reading a {@link Rectangle2D} object.
    052     */
    053    public class Rectangle2DReadHandler extends AbstractXmlReadHandler  {
    054
    055        /** The rectangle being constructed. */
    056        private Rectangle2D rectangle;
    057
    058        /**
    059         * Default constructor.
    060         */
    061        public Rectangle2DReadHandler() {
    062            super();
    063        }
    064
    065        /**
    066         * Begins parsing.
    067         *
    068         * @param attrs  the attributes.
    069         *
    070         * @throws SAXException if there is a parsing error.
    071         */
    072        protected void startParsing(final Attributes attrs) throws SAXException {
    073            final String type = attrs.getValue("type");
    074            this.rectangle = createRect(type);
    075            final String x = attrs.getValue("x");
    076            final String y = attrs.getValue("y");
    077            final String w = attrs.getValue("width");
    078            final String h = attrs.getValue("height");
    079
    080            this.rectangle.setRect(
    081                Double.parseDouble(x), Double.parseDouble(y),
    082                Double.parseDouble(w), Double.parseDouble(h)
    083            );
    084        }
    085
    086        /**
    087         * Creates a rectangle.
    088         *
    089         * @param type  the type ('float' or 'double').
    090         *
    091         * @return The rectangle.
    092         */
    093        private Rectangle2D createRect(final String type) {
    094            if ("float".equals(type)) {
    095                return new Rectangle2D.Float();
    096            }
    097            return new Rectangle2D.Double();
    098        }
    099
    100        /**
    101         * Returns the object under construction.
    102         *
    103         * @return The object.
    104         */
    105        public Object getObject() {
    106            return this.rectangle;
    107        }
    108    }