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Java > Open Source Codes > org > columba > chat > command > SubscriptionCommand


1 // The contents of this file are subject to the Mozilla Public License Version
2 // 1.1
3 //(the "License"); you may not use this file except in compliance with the
4 //License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
5 //
6 //Software distributed under the License is distributed on an "AS IS" basis,
7 //WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
8 //for the specific language governing rights and
9 //limitations under the License.
10 //
11 //The Original Code is "The Columba Project"
12 //
13 //The Initial Developers of the Original Code are Frederik Dietz and Timo
14 // Stich.
15 //Portions created by Frederik Dietz and Timo Stich are Copyright (C) 2003.
16 //
17 //All Rights Reserved.
18 package org.columba.chat.command;
19
20 import org.columba.api.command.ICommandReference;
21 import org.columba.api.command.IWorkerStatusController;
22 import org.columba.chat.Connection;
23 import org.columba.chat.ui.frame.api.IChatFrameMediator;
24 import org.columba.core.command.Command;
25 import org.jivesoftware.smack.packet.Presence;
26
27 public class SubscriptionCommand extends Command {
28
29     public SubscriptionCommand(IChatFrameMediator mediator,
30             ICommandReference reference) {
31         super(reference);
32
33     }
34
35     /**
36      * @see org.columba.core.command.Command#updateGUI()
37      */
38     @Override JavaDoc
39     public void updateGUI() throws Exception JavaDoc {
40
41     }
42
43     @Override JavaDoc
44     public void execute(IWorkerStatusController worker) throws Exception JavaDoc {
45         ChatCommandReference ref = (ChatCommandReference) getReference();
46         String JavaDoc jabberId = ref.getJabberId();
47
48         // if already in roster
49 if (Connection.XMPPConnection.getRoster().contains(jabberId))
50             return;
51
52         Presence packet = new Presence(Presence.Type.SUBSCRIBED);
53         packet.setTo(jabberId);
54
55         Connection.XMPPConnection.sendPacket(packet);
56
57     }
58
59 }
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