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 }