1 /**
2 *
3 * Copyright 2005 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.geronimo.kernel.config.xstream;
18
19 import java.lang.reflect.Method;
20
21 import com.thoughtworks.xstream.converters.ConversionException;
22 import com.thoughtworks.xstream.converters.Converter;
23 import com.thoughtworks.xstream.converters.MarshallingContext;
24 import com.thoughtworks.xstream.converters.UnmarshallingContext;
25 import com.thoughtworks.xstream.io.HierarchicalStreamReader;
26 import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
27
28 /**
29 * @version $Rev: 410741 $ $Date: 2006-05-31 21:35:48 -0700 (Wed, 31 May 2006) $
30 */
31 public class QNameConverter implements Converter {
32 private static final String QNAME_CLASS = "javax.xml.namespace.QName";
33
34 public boolean canConvert(Class clazz) {
35 return QNAME_CLASS.equals(clazz.getName());
36 }
37
38 public void marshal(Object object, HierarchicalStreamWriter writer, MarshallingContext marshallingContext) {
39 writer.setValue(object.toString());
40 }
41
42 public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext unmarshallingContext) {
43 Class qnameClass = unmarshallingContext.getRequiredType();
44 if (!canConvert(qnameClass)) {
45 throw new ConversionException("Unexpected type in unmarshal: " + qnameClass.getName());
46 }
47
48 String qnameString = reader.getValue();
49 try {
50 Method method = qnameClass.getMethod("valueOf", new Class[]{String.class});
51 Object qname = method.invoke(null, new Object[] { qnameString });
52 return qname;
53 } catch (Exception e) {
54 throw new ConversionException("Unable to convert value to a qname: " + qnameString);
55 }
56 }
57 }