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.marshal;
31:
32: import java.lang.reflect.Method;
33:
34: /**
35: * Proxy implementation for ORB clients.
36: */
37: public class HelperMarshal extends Marshal {
38: private final Class _cl;
39: private final Method _readHelper;
40: private final Method _writeHelper;
41:
42: public HelperMarshal(Class cl) {
43: _cl = cl;
44:
45: try {
46: ClassLoader loader = cl.getClassLoader();
47: Class helperClass = Class.forName(cl.getName() + "Helper",
48: false, loader);
49:
50: _readHelper = helperClass
51: .getMethod(
52: "read",
53: new Class[] { org.omg.CORBA.portable.InputStream.class });
54:
55: _writeHelper = helperClass.getMethod("write", new Class[] {
56: org.omg.CORBA.portable.OutputStream.class, cl });
57: } catch (Exception e) {
58: throw new RuntimeException(e);
59: }
60: }
61:
62: @Override
63: public void marshal(org.omg.CORBA_2_3.portable.OutputStream os,
64: Object value) {
65: try {
66: _writeHelper.invoke(null, os, value);
67: } catch (Exception e) {
68: throw new RuntimeException(e);
69: }
70: }
71:
72: @Override
73: public Object unmarshal(org.omg.CORBA_2_3.portable.InputStream is) {
74: try {
75: return _readHelper.invoke(null, is);
76: } catch (Exception e) {
77: throw new RuntimeException(e);
78: }
79: }
80: }
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