/* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.lang.reflect.InvocationHandler; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.lang.reflect.Proxy; /* * Try to instantiate a proxy class with interfaces that have conflicting * duplicate methods (tree of types). */ public class Clash4 { public static void main(String[] args) { InvocationHandler handler = new Clash4InvocationHandler(); try { Proxy.newProxyInstance(Clash.class.getClassLoader(), new Class<?>[] { Interface4a.class, Interface4aa.class, Interface4base.class, Interface4b.class, Interface4bb.class }, handler); System.out.println("Clash4 did not throw expected exception"); } catch (IllegalArgumentException iae) { System.out.println("Clash4 threw expected exception"); //System.out.println(iae); } } } class R4base { int mBlah; } class R4a extends R4base { int mBlah_a; } class R4aa extends R4a { int mBlah_aa; } class R4b extends R4base { int mBlah_b; } class R4bb extends R4b { int mBlah_bb; } interface Interface4base { public R4base thisIsTrouble(); } interface Interface4a { public R4a thisIsTrouble(); } interface Interface4aa { public R4aa thisIsTrouble(); } interface Interface4b { public R4b thisIsTrouble(); } interface Interface4bb { public R4bb thisIsTrouble(); } class Clash4InvocationHandler implements InvocationHandler { /* don't really need to do anything -- should never get this far */ public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { return null; } }