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 jgb.builder.TagHandler;
023 import jgb.builder.utils.MethodCall;
024 import org.xml.sax.SAXException;
025
026 import java.util.Map;
027
028 /**
029 * @since 0.1a
030 * @author Francois Beausoleil, <a href="mailto:fbos@users.sourceforge.net">fbos@users.sourceforge.net</a>
031 */
032 public class PropertyTagHandler extends MethodCallTagHandler {
033 /**
034 * The name of the name attribute.
035 */
036 protected static final String ATTR_NAME = "name";
037
038 public void exitElement() throws SAXException {
039 MethodCall methodCall = getContextAccumulator(tagContext);
040
041 Class paramClass = (Class)tagContext.get(TagHandler.PARAMETER_CLASS_KEY);
042 Object paramValue = tagContext.get(TagHandler.PARAMETER_VALUE_KEY);
043 methodCall.addParameter(paramClass, paramValue);
044
045 // Watch out ! We are extending MethodCallTagHandler and not AbstractTagHandler
046 super.exitElement();
047
048 tagContext.remove(TagHandler.PARAMETER_CLASS_KEY);
049 tagContext.remove(TagHandler.PARAMETER_VALUE_KEY);
050
051 tagContext.remove(TagHandler.CALL_RETURN_CLASS_KEY);
052 tagContext.remove(TagHandler.CALL_RETURN_VALUE_KEY);
053 }
054
055 protected String getMethodName(Map atts) {
056 String reqName = (String)atts.get(ATTR_NAME);
057
058 StringBuffer methodName = new StringBuffer();
059 methodName.append("set");
060 methodName.append(Character.toUpperCase(reqName.charAt(0)));
061 methodName.append(reqName.substring(1));
062 return methodName.toString();
063 }
064
065 protected Object getReferenceObject(Map atts) {
066 if ((String)atts.get(ATTR_REFID) == null) {
067 return getCurrentObject();
068 } else {
069 return getObject((String)atts.get(ATTR_REFID));
070 }
071 }
072 }