15d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao/* 25d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * Copyright (C) 2008 The Android Open Source Project 35d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * 45d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * Licensed under the Apache License, Version 2.0 (the "License"); 55d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * you may not use this file except in compliance with the License. 65d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * You may obtain a copy of the License at 75d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * 85d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * http://www.apache.org/licenses/LICENSE-2.0 95d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * 105d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * Unless required by applicable law or agreed to in writing, software 115d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * distributed under the License is distributed on an "AS IS" BASIS, 125d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * See the License for the specific language governing permissions and 145d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * limitations under the License. 155d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao */ 165d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao 175d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaoimport java.lang.reflect.InvocationHandler; 185d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaoimport java.lang.reflect.InvocationTargetException; 195d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaoimport java.lang.reflect.Method; 205d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaoimport java.lang.reflect.Proxy; 215d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao 225d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao/* 235d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * Try to instantiate a proxy class with interfaces that have conflicting 245d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao * duplicate methods (type tree with interface). 255d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao */ 265d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaopublic class Clash3 { 275d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao public static void main(String[] args) { 285d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao InvocationHandler handler = new Clash3InvocationHandler(); 295d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao 305d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao try { 315d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao Proxy.newProxyInstance(Clash.class.getClassLoader(), 325d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao new Class[] { 335d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao Interface3a.class, 345d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao Interface3base.class, 355d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao Interface3aa.class, 365d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao Interface3b.class }, 375d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao handler); 385d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao System.err.println("Clash3 did not throw expected exception"); 395d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao } catch (IllegalArgumentException iae) { 405d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao System.out.println("Clash3 threw expected exception"); 415d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao } 425d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao } 435d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao} 445d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao 455d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaoclass R3base implements I3 { int mBlah; public void x() {} } 465d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaoclass R3a extends R3base { int mBlah_a; } 475d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaoclass R3aa extends R3a { int mBlah_aa; } 485d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaoclass R3b implements I3 { int mBlah_b; public void x() {} } 495d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao 505d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaointerface I3 { 515d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao void x(); 525d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao} 535d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao 545d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaointerface Interface3base { 555d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao public R3base thisIsTrouble(); 565d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao} 575d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao 585d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaointerface Interface3a { 595d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao public R3a thisIsTrouble(); 605d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao} 615d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaointerface Interface3aa { 625d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao public R3aa thisIsTrouble(); 635d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao} 645d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaointerface Interface3b { 655d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao public R3b thisIsTrouble(); 665d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao} 675d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao 685d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhaoclass Clash3InvocationHandler implements InvocationHandler { 695d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao /* don't really need to do anything -- should never get this far */ 705d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao public Object invoke(Object proxy, Method method, Object[] args) 715d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao throws Throwable { 725d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao 735d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao return null; 745d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao } 755d1ac920fdaef5d4ec8f66bb734488cd9660b024jeffhao} 76