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 * InsetsReadHandler.java
029 * ----------------------
030 * (C)opyright 2003, 2004, by Thomas Morgner and Contributors.
031 *
032 * Original Author:  Thomas Morgner;
033 * Contributor(s):   David Gilbert (for Object Refinery Limited);
034 *
035 * $Id: InsetsReadHandler.java,v 1.2 2005/10/18 13:33:32 mungady Exp $
036 *
037 * Changes 
038 * -------
039 * 03-Dec-2003 : Initial version
040 * 11-Feb-2004 : Added missing Javadocs (DG);
041 * 
042 */
043
044package org.jfree.xml.parser.coretypes;
045
046import java.awt.Insets;
047
048import org.jfree.xml.parser.AbstractXmlReadHandler;
049import org.jfree.xml.parser.XmlReaderException;
050import org.xml.sax.Attributes;
051import org.xml.sax.SAXException;
052
053/**
054 * A reader that can parse the XML element for an {@link Insets} object.
055 */
056public class InsetsReadHandler extends AbstractXmlReadHandler {
057
058    /** The insets under construction. */
059    private Insets insets;
060
061    /**
062     * Creates a new read handler.
063     */
064    public InsetsReadHandler() {
065        super();
066    }
067
068    /**
069     * Begins parsing.
070     * 
071     * @param attrs  the attributes.
072     * 
073     * @throws SAXException if there is a parsing problem.
074     */
075    protected void startParsing(final Attributes attrs) throws SAXException {
076
077        final String top = attrs.getValue("top");
078        final String left = attrs.getValue("left");
079        final String bottom = attrs.getValue("bottom");
080        final String right = attrs.getValue("right");
081
082        this.insets = new Insets(
083            Integer.parseInt(top), Integer.parseInt(left),
084            Integer.parseInt(bottom), Integer.parseInt(right)
085        );
086        
087    }
088
089    /**
090     * Returns the object for this element.
091     *
092     * @return the object.
093     *
094     * @throws XmlReaderException never.
095     */
096    public Object getObject() throws XmlReaderException {
097        return this.insets;
098    }
099}