1 /*
2 * The contents of this file are subject to the BT "ZEUS" Open Source
3 * Licence (L77741), Version 1.0 (the "Licence"); you may not use this file
4 * except in compliance with the Licence. You may obtain a copy of the Licence
5 * from $ZEUS_INSTALL/licence.html or alternatively from
6 * http://www.labs.bt.com/projects/agents/zeus/licence.htm
7 *
8 * Except as stated in Clause 7 of the Licence, software distributed under the
9 * Licence is distributed WITHOUT WARRANTY OF ANY KIND, either express or
10 * implied. See the Licence for the specific language governing rights and
11 * limitations under the Licence.
12 *
13 * The Original Code is within the package zeus.*.
14 * The Initial Developer of the Original Code is British Telecommunications
15 * public limited company, whose registered office is at 81 Newgate Street,
16 * London, EC1A 7AJ, England. Portions created by British Telecommunications
17 * public limited company are Copyright 1996-2001. All Rights Reserved.
18 *
19 * THIS NOTICE MUST BE INCLUDED ON ANY COPY OF THIS FILE
20 */
21 package zeus.actors.outtrays;
22
23 import javax.agent.service.*;
24 import javax.agent.*;
25 import FIPA.*;
26 import fipa97.FIPA_Agent_97;
27 import zeus.concepts.*;
28 import zeus.actors.*;
29
30 /***
31 implementation of the OutTray interface that wraps a FIPA_97_IIOP transport
32 ie. a FIPA_Agent_97 interface
33 */
34 public class FIPA_97_IIOP_Transport implements OutTray {
35
36
37 private FIPA_Agent_97 target = null;
38
39
40 public FIPA_97_IIOP_Transport (FIPA_Agent_97 target) {
41 this.target = target;
42 }
43
44
45 public void send (Object obj) throws UnsuitableMessageException {
46 try {
47 javax.agent.Envelope env = (javax.agent.Envelope) obj;
48 send (env);
49 } catch (ClassCastException cce) {
50 throw new UnsuitableMessageException ("Must be javax.agent.envelope to work with this transport");
51 }catch (Exception e) {
52 e.printStackTrace();
53 throw new UnsuitableMessageException ("Bad message in send() - unknown problem, Excepiton printed to sout");
54
55 }
56 }
57
58 /***
59 send takes the Envelope, pops out the "object" and then tries
60 to cast it to a zeus.concepts.FIPAPerformative. If it can't do that
61 it will fail, and print a stack trace. If it can cast it, it will call
62 the FIPA_Agent_97.message(FIPAPerformative.toString()) and send it
63 down the wire
64 */
65 public void send (javax.agent.Envelope envelope) {
66 // must convert the javax.agent.Envelope to a FIPAPerformative, toString it and
67 // send it
68 try {
69 FIPAPerformative fperf = (FIPAPerformative) envelope.getObject ();
70 target.message(fperf.toFIPAString());
71 }
72 catch (ClassCastException cce) {
73 // I know that this is a bit grim....
74 // let's not bring everything down for one mistake...
75 cce.printStackTrace();
76 return;
77 }
78
79
80 }
81
82
83 }