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Java > Open Source Codes > com > caucho > iiop > orb > IiopProxyHandler


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.iiop.orb;
31
32 import java.lang.reflect.*;
33 import java.util.*;
34
35 /**
36  * Proxy implementation for ORB clients.
37  */
38 public class IiopProxyHandler implements InvocationHandler {
39   private final HashMap<String JavaDoc,MethodMarshal> _methodMap
40     = new HashMap<String JavaDoc,MethodMarshal>();
41
42   private ORBImpl _orb;
43   private org.omg.CORBA.portable.ObjectImpl JavaDoc _stub;
44   private StubMarshal _stubMarshal;
45   
46   IiopProxyHandler(ORBImpl orb,
47            org.omg.CORBA.portable.ObjectImpl JavaDoc stub,
48            StubMarshal stubMarshal)
49   {
50     _orb = orb;
51     _stub = stub;
52     _stubMarshal = stubMarshal;
53   }
54
55   /**
56    * Handles the object invocation.
57    *
58    * @param proxy the proxy object to invoke
59    * @param method the method to call
60    * @param args the arguments to the proxy object
61    */
62   public Object JavaDoc invoke(Object JavaDoc proxy, Method method, Object JavaDoc []args)
63     throws Throwable JavaDoc
64   {
65     String JavaDoc methodName = method.getName();
66
67     MethodMarshal marshal = _stubMarshal.get(method);
68
69     if (marshal != null) {
70       return marshal.invoke(_stub, args);
71     }
72     
73     Class JavaDoc []params = method.getParameterTypes();
74
75     if (methodName.equals("toString") && params.length == 0)
76       return "IiopProxy[" + _orb + "]";
77
78     throw new RuntimeException JavaDoc("method not found: " + methodName);
79   }
80 }
81
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