1 /*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 import java.lang.reflect.InvocationHandler;
18 import java.lang.reflect.InvocationTargetException;
19 import java.lang.reflect.Method;
20 import java.lang.reflect.Proxy;
21
22 /*
23 * Try to instantiate a proxy class with interfaces that have conflicting
24 * duplicate methods (type tree with interface).
25 */
26 public class Clash3 {
main(String[] args)27 public static void main(String[] args) {
28 InvocationHandler handler = new Clash3InvocationHandler();
29
30 try {
31 Proxy.newProxyInstance(Clash.class.getClassLoader(),
32 new Class<?>[] {
33 Interface3a.class,
34 Interface3base.class,
35 Interface3aa.class,
36 Interface3b.class },
37 handler);
38 System.out.println("Clash3 did not throw expected exception");
39 } catch (IllegalArgumentException iae) {
40 System.out.println("Clash3 threw expected exception");
41 }
42 }
43 }
44
x()45 class R3base implements I3 { int mBlah; public void x() {} }
46 class R3a extends R3base { int mBlah_a; }
47 class R3aa extends R3a { int mBlah_aa; }
x()48 class R3b implements I3 { int mBlah_b; public void x() {} }
49
50 interface I3 {
x()51 void x();
52 }
53
54 interface Interface3base {
thisIsTrouble()55 public R3base thisIsTrouble();
56 }
57
58 interface Interface3a {
thisIsTrouble()59 public R3a thisIsTrouble();
60 }
61 interface Interface3aa {
thisIsTrouble()62 public R3aa thisIsTrouble();
63 }
64 interface Interface3b {
thisIsTrouble()65 public R3b thisIsTrouble();
66 }
67
68 class Clash3InvocationHandler implements InvocationHandler {
69 /* don't really need to do anything -- should never get this far */
invoke(Object proxy, Method method, Object[] args)70 public Object invoke(Object proxy, Method method, Object[] args)
71 throws Throwable {
72
73 return null;
74 }
75 }
76