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.interceptor; 019 020 import junit.framework.TestCase; 021 import org.apache.commons.proxy.ProxyFactory; 022 023 import java.io.ByteArrayOutputStream; 024 025 public class TestSerializingInterceptor extends TestCase 026 { 027 public void testWithSerializableParametersAndReturn() 028 { 029 final ObjectEchoImpl target = new ObjectEchoImpl(); 030 ObjectEcho echo = 031 (ObjectEcho) new ProxyFactory().createInterceptorProxy(target, 032 new SerializingInterceptor(), 033 new Class[]{ObjectEcho.class}); 034 final Object originalParameter = "Hello, World!"; 035 final Object returnValue = echo.echoBack(originalParameter); 036 assertNotSame(originalParameter, target.parameter); 037 assertNotSame(originalParameter, returnValue); 038 assertNotSame(returnValue, target.parameter); 039 } 040 041 public void testWithInvalidParameterType() 042 { 043 try 044 { 045 final ObjectEchoImpl target = new ObjectEchoImpl(); 046 ObjectEcho echo = 047 (ObjectEcho) new ProxyFactory().createInterceptorProxy(target, 048 new SerializingInterceptor(), 049 new Class[]{ObjectEcho.class}); 050 final Object originalParameter = new ByteArrayOutputStream(); 051 echo.echoBack(originalParameter); 052 fail("Should not be able to call method with non-serializable parameter type."); 053 } 054 catch (RuntimeException e) 055 { 056 057 } 058 059 } 060 061 public static interface ObjectEcho 062 { 063 public Object echoBack(Object object); 064 } 065 066 public static class ObjectEchoImpl implements ObjectEcho 067 { 068 private Object parameter; 069 070 public Object echoBack(Object object) 071 { 072 this.parameter = object; 073 return object; 074 } 075 } 076 }