01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * 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, MethodMarshal> _methodMap = new HashMap<String, MethodMarshal>();
40:
41: private ORBImpl _orb;
42: private org.omg.CORBA.portable.ObjectImpl _stub;
43: private StubMarshal _stubMarshal;
44:
45: public IiopProxyHandler(ORBImpl orb,
46: org.omg.CORBA.portable.ObjectImpl stub,
47: StubMarshal stubMarshal) {
48: _orb = orb;
49: _stub = stub;
50: _stubMarshal = stubMarshal;
51: }
52:
53: public StubImpl getStub() {
54: return (StubImpl) _stub;
55: }
56:
57: /**
58: * Handles the object invocation.
59: *
60: * @param proxy the proxy object to invoke
61: * @param method the method to call
62: * @param args the arguments to the proxy object
63: */
64: public Object invoke(Object proxy, Method method, Object[] args)
65: throws Throwable {
66: String methodName = method.getName();
67:
68: MethodMarshal marshal = _stubMarshal.get(method);
69:
70: if (marshal != null) {
71: return marshal.invoke(_stub, args);
72: }
73:
74: Class[] params = method.getParameterTypes();
75:
76: if (methodName.equals("toString") && params.length == 0)
77: return "IiopProxy[" + _orb + "," + _stub + "]";
78:
79: // XXX: ejb30/bb/session/stateful/equals/annotated, needs QA
80: if (methodName.equals("equals") && params.length == 1) {
81: IiopProxyHandler otherProxy = (IiopProxyHandler) java.lang.reflect.Proxy
82: .getInvocationHandler(args[0]);
83:
84: // XXX: Is the stub enough to be equal ???
85: if (_stub.equals(otherProxy.getStub()))
86: return true;
87:
88: return false;
89: }
90:
91: throw new RuntimeException("method not found: " + methodName);
92: }
93:
94: public String toString() {
95: return "IiopProxyHandler[" + _orb + ", " + _stub + "]";
96: }
97: }
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