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 { 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.err.println("Clash3 did not throw expected exception"); 39 } catch (IllegalArgumentException iae) { 40 System.out.println("Clash3 threw expected exception"); 41 } 42 } 43 } 44 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; } 48 class R3b implements I3 { int mBlah_b; public void x() {} } 49 50 interface I3 { 51 void x(); 52 } 53 54 interface Interface3base { 55 public R3base thisIsTrouble(); 56 } 57 58 interface Interface3a { 59 public R3a thisIsTrouble(); 60 } 61 interface Interface3aa { 62 public R3aa thisIsTrouble(); 63 } 64 interface Interface3b { 65 public R3b thisIsTrouble(); 66 } 67 68 class Clash3InvocationHandler implements InvocationHandler { 69 /* don't really need to do anything -- should never get this far */ 70 public Object invoke(Object proxy, Method method, Object[] args) 71 throws Throwable { 72 73 return null; 74 } 75 } 76
