MethodInterceptor


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   */
16  package net.sf.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   */
23  public interface MethodInterceptor
24  extends 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
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags