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1 | /* PortableRemoteObject.java -- |
2 | Copyright (C) 2002 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GNU Classpath. | |
5 | ||
6 | GNU Classpath is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Classpath is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Classpath; see the file COPYING. If not, write to the | |
18 | Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
19 | 02111-1307 USA. | |
20 | ||
21 | Linking this library statically or dynamically with other modules is | |
22 | making a combined work based on this library. Thus, the terms and | |
23 | conditions of the GNU General Public License cover the whole | |
24 | combination. | |
25 | ||
26 | As a special exception, the copyright holders of this library give you | |
27 | permission to link this library with independent modules to produce an | |
28 | executable, regardless of the license terms of these independent | |
29 | modules, and to copy and distribute the resulting executable under | |
30 | terms of your choice, provided that you also meet, for each linked | |
31 | independent module, the terms and conditions of the license of that | |
32 | module. An independent module is a module which is not derived from | |
33 | or based on this library. If you modify this library, you may extend | |
34 | this exception to your version of the library, but you are not | |
35 | obligated to do so. If you do not wish to do so, delete this | |
36 | exception statement from your version. */ | |
37 | ||
38 | ||
39 | package javax.rmi; | |
40 | ||
41 | import java.rmi.Remote; | |
42 | import java.rmi.RemoteException; | |
43 | import java.rmi.NoSuchObjectException; | |
44 | import gnu.javax.rmi.CORBA.DelegateFactory; | |
45 | import gnu.javax.rmi.CORBA.GetDelegateInstanceException; | |
46 | import javax.rmi.CORBA.PortableRemoteObjectDelegate; | |
47 | import javax.rmi.CORBA.Util; | |
48 | ||
49 | public class PortableRemoteObject | |
50 | implements Remote /* why doc doesn't say should implement Remote */ | |
51 | { | |
52 | ||
53 | private static PortableRemoteObjectDelegate delegate; | |
54 | static | |
55 | { | |
56 | try | |
57 | { | |
58 | delegate = (PortableRemoteObjectDelegate)DelegateFactory.getInstance | |
59 | ("PortableRemoteObject"); | |
60 | } | |
61 | catch(GetDelegateInstanceException e) | |
62 | { | |
63 | e.printStackTrace(); | |
64 | delegate = null; | |
65 | } | |
66 | } | |
67 | ||
68 | protected PortableRemoteObject() | |
69 | throws RemoteException | |
70 | { | |
71 | if(delegate != null) | |
72 | exportObject((Remote)this); | |
73 | } | |
74 | ||
75 | public static void connect(Remote target, Remote source) | |
76 | throws RemoteException | |
77 | { | |
78 | if(delegate != null) | |
79 | delegate.connect(target, source); | |
80 | } | |
81 | ||
82 | public static void exportObject(Remote obj) | |
83 | throws RemoteException | |
84 | { | |
85 | if(delegate != null) | |
86 | delegate.exportObject(obj); | |
87 | } | |
88 | ||
89 | public static Object narrow(Object narrowFrom, Class narrowTo) | |
90 | throws ClassCastException | |
91 | { | |
92 | if(delegate != null) | |
93 | return delegate.narrow(narrowFrom, narrowTo); | |
94 | else | |
95 | return null; | |
96 | } | |
97 | ||
98 | public static Remote toStub(Remote obj) | |
99 | throws NoSuchObjectException | |
100 | { | |
101 | if(delegate != null) | |
102 | return delegate.toStub(obj); | |
103 | else | |
104 | return null; | |
105 | } | |
106 | ||
107 | public static void unexportObject(Remote obj) | |
108 | throws NoSuchObjectException | |
109 | { | |
110 | if(delegate != null) | |
111 | delegate.unexportObject(obj); | |
112 | } | |
113 | ||
114 | } |