001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.commons.proxy.invoker; 019 import junit.framework.TestCase; 020 import org.apache.commons.proxy.factory.javassist.JavassistProxyFactory; 021 import org.apache.commons.proxy.util.Echo; 022 023 import java.lang.reflect.InvocationHandler; 024 import java.lang.reflect.Method; 025 026 public class TestInvocationHandlerAdapter extends TestCase 027 { 028 public void testMethodInvocation() throws Exception 029 { 030 InvocationHandlerTester tester = new InvocationHandlerTester(); 031 final Echo echo = ( Echo ) new JavassistProxyFactory().createInvokerProxy( new InvocationHandlerAdapter( tester ), new Class[] { Echo.class } ); 032 echo.echoBack( "hello" ); 033 assertEquals( Echo.class.getMethod( "echoBack", new Class[] { String.class } ), tester.method ); 034 assertSame( echo, tester.proxy ); 035 assertNotNull( tester.arguments ); 036 assertEquals( 1, tester.arguments.length ); 037 assertEquals( "hello", tester.arguments[0] ); 038 } 039 040 private class InvocationHandlerTester implements InvocationHandler 041 { 042 private Object proxy; 043 private Method method; 044 private Object[] arguments; 045 046 public Object invoke( Object proxy, Method method, Object[] args ) throws Throwable 047 { 048 this.proxy = proxy; 049 this.method = method; 050 this.arguments = args; 051 return null; 052 } 053 } 054 }