1 /* ErrorMessage.java --
2    Copyright (C) 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 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 gnu.CORBA.GIOP;
40 
41 import gnu.CORBA.OrbFunctional;
42 import gnu.CORBA.IOR;
43 import gnu.CORBA.Minor;
44 
45 import java.io.IOException;
46 import java.io.OutputStream;
47 
48 import java.net.Socket;
49 
50 import org.omg.CORBA.MARSHAL;
51 import org.omg.CORBA.ORB;
52 
53 /**
54  * The error message is sent in response to the message, encoded
55  * in the unsupported version of the format or otherwise invalid.
56  *
57  * The error message consists from the message header only and
58  * is the same for GIOP 1.0, 1.1, 1.2 and 1.3.
59  *
60  * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
61  */
62 public class ErrorMessage
63   extends MessageHeader
64 {
65   /**
66    * Use serialVersionUID for interoperability.
67    */
68   private static final long serialVersionUID = 1;
69 
70   /**
71    * Create a new error message, setting the message field
72    * to the {@link MESSAGE_ERROR} and the version number to
73    * the given major and minor values.
74    */
ErrorMessage(gnu.CORBA.Version msg_version)75   public ErrorMessage(gnu.CORBA.Version msg_version)
76   {
77     version = msg_version;
78     message_type = MESSAGE_ERROR;
79   }
80 
81   /**
82    * Send the error message to the given IOR address.
83    *
84    * @param ior the IOR address (host and port, other fields
85    * are not used).
86    *
87    * @param orb the ORB, sending the error message.
88    */
send(IOR ior, ORB orb)89   public void send(IOR ior, ORB orb)
90   {
91     try
92       {
93         Socket socket;
94 
95         if (orb instanceof OrbFunctional)
96           socket = ((OrbFunctional) orb).socketFactory.createClientSocket(
97             ior.Internet.host, ior.Internet.port);
98         else
99           socket = new Socket(ior.Internet.host, ior.Internet.port);
100 
101         OutputStream socketOutput = socket.getOutputStream();
102         write(socketOutput);
103         socketOutput.close();
104         socket.close();
105       }
106     catch (IOException ex)
107       {
108         MARSHAL t = new MARSHAL();
109         t.minor = Minor.Header;
110         t.initCause(ex);
111         throw t;
112       }
113   }
114 }
115