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1: /* gnu.java.beans.decoder.JavaHandler 2: Copyright (C) 2004 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package gnu.java.beans.decoder; 39: 40: import java.beans.ExceptionListener; 41: import java.util.HashMap; 42: 43: import org.xml.sax.Attributes; 44: 45: /** Wraps a DecoderContext instance. 46: * 47: * @author Robert Schuster 48: */ 49: public class JavaHandler extends AbstractElementHandler 50: { 51: private Context context; 52: private HashMap objectMap = new HashMap(); 53: private ClassLoader classLoader; 54: 55: /** 56: * @param PersistenceParser 57: */ 58: JavaHandler(DummyHandler parent, Context decoderContext, 59: ClassLoader cl) 60: { 61: super(parent, true); 62: 63: classLoader = cl; 64: 65: context = decoderContext; 66: 67: } 68: 69: protected Context startElement(Attributes attributes, ExceptionListener exceptionListener) 70: throws AssemblyException 71: { 72: // may expect version and class attribute but it not used in JDK 73: // so we do either 74: return context; 75: } 76: 77: public Object getObject(String objectId) 78: { 79: return objectMap.get(objectId); 80: } 81: 82: public void putObject(String objectId, Object o) 83: { 84: if (objectId != null) 85: objectMap.put(objectId, o); 86: } 87: 88: public Class instantiateClass(String className) 89: throws ClassNotFoundException 90: { 91: return Class.forName(className, false, classLoader); 92: } 93: }