1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. 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 javax.jdo;
18
19 import java.lang.reflect.InvocationHandler;
20 import java.lang.reflect.Method;
21 import java.lang.reflect.Proxy;
22
23 /**
24 *
25 * <p>
26 */
27 public class PMFProxy implements InvocationHandler {
28
29 private String connectionDriverName;
30
31 public static PersistenceManagerFactory newInstance() {
32 PersistenceManagerFactory pmf =
33 (PersistenceManagerFactory) Proxy.newProxyInstance(
34 PMFProxy.class.getClassLoader(),
35 new Class[]{PersistenceManagerFactory.class},
36 new PMFProxy());
37 return pmf;
38 }
39
40 /*
41 *
42 */
43 public Object invoke(Object proxy, Method m, Object[] args)
44 throws Exception {
45 Object result = null;
46
47 if (m.getName().equals("getConnectionDriverName")) {
48 result = connectionDriverName;
49 } else if (m.getName().equals("setConnectionDriverName")) {
50 connectionDriverName = (String) args[0];
51 } else {
52 throw new Exception(
53 "Unexpected invocation of method: " + m);
54 }
55 return result;
56 }
57 }
58