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    
023    import jgb.builder.TagHandler;
024    import jgb.builder.utils.ConstructorCall;
025    import org.xml.sax.SAXException;
026    
027    import java.util.Map;
028    
029    /**
030     * @since 0.1a
031     * @author Francois Beausoleil, <a href="mailto:fbos@users.sourceforge.net">fbos@users.sourceforge.net</a>
032     */
033    public class ObjectTagHandler extends AbstractTagHandler {
034        public void enterElement(Map atts) throws SAXException {
035            tagContext.put(TagHandler.CURRENT_OBJECT_ID_KEY, (String)atts.get(ATTR_ID));
036    
037            String className = (String)atts.get(ATTR_CLASS);
038            try {
039                createConstructorCall(className, tagContext);
040            } catch (ClassNotFoundException e) {
041                throwParsingException("declared class not found", e);
042            }
043    
044            tagContext.put(TagHandler.CURRENT_OBJECT_KEY, null);
045        }
046    
047        public void exitElement() throws SAXException {
048            Map objects = (Map)tagContext.get(TagHandler.OBJECTS_MAP_KEY);
049            objects.put(tagContext.get(TagHandler.CURRENT_OBJECT_ID_KEY), tagContext.get(TagHandler.CURRENT_OBJECT_KEY));
050    
051            popCurrentObject();
052        }
053    
054        protected void createConstructorCall(String className, Map tagContext) throws ClassNotFoundException {
055            ConstructorCall ctorCall = new ConstructorCall(className);
056            tagContext.put(TagHandler.CURRENT_PARM_ACC_KEY, ctorCall);
057        }
058    }