001    /**
002     * Java Gui Builder - A library to build GUIs using an XML file.
003     * Copyright 2002, 2003 (C) François Beausoleil
004     *
005     * This library is free software; you can redistribute it and/or
006     * modify it under the terms of the GNU Lesser General Public
007     * License as published by the Free Software Foundation; either
008     * version 2.1 of the License, or (at your option) any later version.
009     *
010     * This library is distributed in the hope that it will be useful,
011     * but WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
013     * Lesser General Public License for more details.
014     *
015     * You should have received a copy of the GNU Lesser General Public
016     * License along with this library; if not, write to the Free Software
017     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018     */
019    
020    package jgb.handlers.swing;
021    
022    import org.xml.sax.SAXException;
023    
024    import java.util.Map;
025    
026    public class NullTagHandler extends AbstractValueTagHandler {
027        protected void enterElement(Map atts) throws SAXException {
028            String className = (String) atts.get(ATTR_CLASS);
029    
030            try {
031                Class clazz = Class.forName(className);
032                updateContextParameters(clazz, null);
033            } catch (ClassNotFoundException cnfe) {
034                throwParsingException("Declared class could not found: " +
035                        className, cnfe);
036            }
037        }
038    
039        protected void exitElement() throws SAXException {
040        }
041    }