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Java > Open Source Codes > com > scalagent > kjoram > jms > MomExceptionReply


1 /*
2  * JORAM: Java(TM) Open Reliable Asynchronous Messaging
3  * Copyright (C) 2001 - ScalAgent Distributed Technologies
4  * Copyright (C) 1996 - Dyade
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19  * USA.
20  *
21  * Initial developer(s): Frederic Maistre (INRIA)
22  * Contributor(s): Nicolas Tachker (ScalAgent)
23  */
24 package com.scalagent.kjoram.jms;
25
26 import com.scalagent.kjoram.excepts.MomException;
27 import java.util.Hashtable JavaDoc;
28 import java.util.Enumeration JavaDoc;
29
30
31 /**
32  * A <code>MomExceptionReply</code> instance is used by a JMS client proxy
33  * to send a <code>MomException</code> back to a JMS client.
34  */
35 public class MomExceptionReply extends AbstractJmsReply
36 {
37   /** The wrapped exception. */
38   private MomException momExcept;
39
40   /**
41    * Constructs a <code>MomExceptionReply</code> instance.
42    *
43    * @param correlationId Identifier of the failed request.
44    * @param momExcept The resulting exception.
45    */
46   public MomExceptionReply(int correlationId, MomException momExcept)
47   {
48     super(correlationId);
49     this.momExcept = momExcept;
50   }
51
52   /**
53    * Constructs a <code>MomExceptionReply</code> instance.
54    *
55    * @param momExcept The exception to wrap.
56    */
57   public MomExceptionReply(MomException momExcept)
58   {
59     this.momExcept = momExcept;
60   }
61
62
63   /** Returns the exception wrapped by this reply. */
64   public MomException getException()
65   {
66     return momExcept;
67   }
68
69   /**
70    * Transforms this reply into a hashtable of primitive values that can
71    * be vehiculated through the SOAP protocol.
72    */
73   public Hashtable JavaDoc soapCode() {
74     Hashtable JavaDoc h = super.soapCode();
75     if (momExcept != null)
76       h.put("momExcept",momExcept.getMessage());
77     return h;
78   }
79
80   /**
81    * Transforms a hashtable of primitive values into a
82    * <code>MomExceptionReply</code> reply.
83    */
84   public static Object JavaDoc soapDecode(Hashtable JavaDoc h) {
85     return new MomExceptionReply(
86       ((Integer JavaDoc) h.get("correlationId")).intValue(),
87       new MomException((String JavaDoc) h.get("momExcept")));
88   }
89 }
90
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