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 042package org.jfree.xml.parser.coretypes; 043 044import java.awt.geom.Rectangle2D; 045 046import org.jfree.xml.parser.AbstractXmlReadHandler; 047import org.xml.sax.Attributes; 048import org.xml.sax.SAXException; 049 050/** 051 * A handler for reading a {@link Rectangle2D} object. 052 */ 053public 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}