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Java > Open Source Codes > org > snipsnap > interceptor > Invocation


1 /*
2  * This file is part of "SnipSnap Wiki/Weblog".
3  *
4  * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
5  * All Rights Reserved.
6  *
7  * Please visit http://snipsnap.org/ for updates and contact.
8  *
9  * --LICENSE NOTICE--
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  * --LICENSE NOTICE--
24  */
25
26 package org.snipsnap.interceptor;
27
28 import java.lang.reflect.Method JavaDoc;
29 import java.util.Iterator JavaDoc;
30 import java.util.List JavaDoc;
31
32 public class Invocation {
33   private Iterator JavaDoc chain;
34   private Object JavaDoc target;
35   private Method JavaDoc method;
36   private Object JavaDoc[] args;
37
38   public Invocation(Object JavaDoc target, Method JavaDoc method, Object JavaDoc[] args, List JavaDoc interceptors) {
39     this.target = target;
40     this.method = method;
41     this.args = args;
42     chain = interceptors.iterator();
43   }
44
45   public Object JavaDoc[] getArgs() {
46     return args;
47   }
48
49   public Method JavaDoc getMethod() {
50     return method;
51   }
52
53   public Object JavaDoc getTarget() {
54     return target;
55   }
56
57   public Object JavaDoc next() throws Throwable JavaDoc {
58     if (chain.hasNext()) {
59       Interceptor i = (Interceptor) chain.next();
60       //String filter = i.getFilter();
61 // if (method.getName().match(filter) call, else do not use
62 // interceptor
63 return i.invoke(this);
64     }
65     //Logger.debug("Calling target proxy.");
66 return method.invoke(target, args);
67   }
68 }
69
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