MethodExitHook


1   /*
2    * Copyright(C) 2001 Mika Riekkinen, Joni Suominen
3    *
4    * This library is free software; you can redistribute it and/or
5    * modify it under the terms of the GNU Lesser General Public
6    * License as published by the Free Software Foundation; either
7    * version 2.1 of the License, or(at your option) any later version.
8    *
9    * This library is distributed in the hope that it will be useful,
10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   * Lesser General Public License for more details.
13   *
14   * You should have received a copy of the GNU Lesser General Public
15   * License along with this library; if not, write to the Free Software
16   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17   */
18  
19  package alt.jiapi.event;
20  
21  import java.lang.reflect.Method  ;
22  import alt.jiapi.instrumentor.Hook;
23  
24  
25  /**
26   * Class used for internal purposes
27   *
28   * @author Mika Riekkinen
29   * @author Joni Suominen
30   * @version $Revision: 1.6 $ $Date: 2002/03/12 16:14:54 $
31   */
32  class MethodExitHook implements Hook {
33      private Method   hookMethod;
34      private Object   instance;
35  
36      public MethodExitHook(MethodEventProducer mep) {
37          this.instance = mep;
38          Class   [] params = new Class   [] {Object  .class, String  .class};
39          try {
40              this.hookMethod =
41                  MethodEventProducer.class.getMethod("methodExited", params);
42          }
43          catch (Exception   e) {
44              // not possible, but just in case
45              e.printStackTrace();
46              throw new RuntimeException  (e.toString());
47          }
48      }
49  
50      public Method   getHookMethod() {
51          return hookMethod;
52      }
53  
54      public Object   getInstance() {
55          return instance;
56      }
57  }
58
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