MethodInterceptor.java revision 674060f01e9090cd21b3c5656cc3204912ad17a6 
1/*
2 * Copyright 2002,2003 The Apache Software Foundation
3 *
4 *  Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 *  Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package org.mockito.cglib.proxy;
17
18/**
19 * General-purpose {@link Enhancer} callback which provides for "around advice".
20 * @author Juozas Baliuka <a href="mailto:baliuka@mwm.lt">baliuka@mwm.lt</a>
21 * @version $Id: MethodInterceptor.java,v 1.8 2004/06/24 21:15:20 herbyderby Exp $
22 */
23public interface MethodInterceptor
24extends Callback
25{
26    /**
27     * All generated proxied methods call this method instead of the original method.
28     * The original method may either be invoked by normal reflection using the Method object,
29     * or by using the MethodProxy (faster).
30     * @param obj "this", the enhanced object
31     * @param method intercepted Method
32     * @param args argument array; primitive types are wrapped
33     * @param proxy used to invoke super (non-intercepted method); may be called
34     * as many times as needed
35     * @throws Throwable any exception may be thrown; if so, super method will not be invoked
36     * @return any value compatible with the signature of the proxied method. Method returning void will ignore this value.
37     * @see MethodProxy
38     */
39    public Object intercept(Object obj, java.lang.reflect.Method method, Object[] args,
40                               MethodProxy proxy) throws Throwable;
41
42}
43