Clash4.java revision f6c387128427e121477c1b32ad35cdcaa5101ba3
1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * you may not use this file except in compliance with the License. 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * You may obtain a copy of the License at 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.lang.reflect.InvocationHandler; 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.lang.reflect.InvocationTargetException; 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.lang.reflect.Method; 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.lang.reflect.Proxy; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Try to instantiate a proxy class with interfaces that have conflicting 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * duplicate methods (tree of types). 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic class Clash4 { 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public static void main(String[] args) { 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project InvocationHandler handler = new Clash4InvocationHandler(); 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project try { 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Proxy.newProxyInstance(Clash.class.getClassLoader(), 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project new Class[] { 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Interface4a.class, 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Interface4aa.class, 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Interface4base.class, 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Interface4b.class, 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project Interface4bb.class }, 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project handler); 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project System.err.println("Clash4 did not throw expected exception"); 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } catch (IllegalArgumentException iae) { 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project System.out.println("Clash4 threw expected exception"); 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project //System.out.println(iae); 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectclass R4base { int mBlah; } 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectclass R4a extends R4base { int mBlah_a; } 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectclass R4aa extends R4a { int mBlah_aa; } 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectclass R4b extends R4base { int mBlah_b; } 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectclass R4bb extends R4b { int mBlah_bb; } 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectinterface Interface4base { 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public R4base thisIsTrouble(); 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectinterface Interface4a { 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public R4a thisIsTrouble(); 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectinterface Interface4aa { 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public R4aa thisIsTrouble(); 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectinterface Interface4b { 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public R4b thisIsTrouble(); 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectinterface Interface4bb { 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public R4bb thisIsTrouble(); 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectclass Clash4InvocationHandler implements InvocationHandler { 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* don't really need to do anything -- should never get this far */ 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public Object invoke(Object proxy, Method method, Object[] args) 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throws Throwable { 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return null; 76f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 77f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 78f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 79