1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.proxy.invoker;
19  import junit.framework.TestCase;
20  import org.apache.commons.proxy.factory.javassist.JavassistProxyFactory;
21  import org.apache.commons.proxy.util.Echo;
22  
23  import java.lang.reflect.InvocationHandler;
24  import java.lang.reflect.Method;
25  
26  public class TestInvocationHandlerAdapter extends TestCase
27  {
28      public void testMethodInvocation() throws Exception
29      {
30          InvocationHandlerTester tester = new InvocationHandlerTester();
31          final Echo echo = ( Echo ) new JavassistProxyFactory().createInvokerProxy( new InvocationHandlerAdapter( tester ), new Class[] { Echo.class } );
32          echo.echoBack( "hello" );
33          assertEquals( Echo.class.getMethod( "echoBack", new Class[] { String.class } ), tester.method );
34          assertSame( echo, tester.proxy );
35          assertNotNull( tester.arguments );
36          assertEquals( 1, tester.arguments.length );
37          assertEquals( "hello", tester.arguments[0] );
38      }
39  
40      private class InvocationHandlerTester implements InvocationHandler
41      {
42          private Object proxy;
43          private Method method;
44          private Object[] arguments;
45  
46          public Object invoke( Object proxy, Method method, Object[] args ) throws Throwable
47          {
48              this.proxy = proxy;
49              this.method = method;
50              this.arguments = args;
51              return null;
52          }
53      }
54  }