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Java > Open Source Codes > freecs > commands > CmdAccept


1 /**
2  * Copyright (C) 2003 Manfred Andres
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17  *
18  * Created on 28.09.2003
19  */
20
21 package freecs.commands;
22 import freecs.interfaces.ICommand;
23 import freecs.content.MessageState;
24
25 /**
26  * @author Manfred Andres
27  *
28  * freecs.commands
29  */
30 public class CmdAccept extends AbstractCommand {
31     public final String JavaDoc cmd= "/a";
32     private static final ICommand selve=new CmdAccept();
33
34     private CmdAccept () { }
35     
36     public static ICommand getInstance () {
37         return selve;
38     }
39     
40     public boolean execute (MessageState msgState, String JavaDoc param) {
41         if (isPunished(msgState)) return false;
42         msgState.targetGroup = msgState.sender.invitedTo ();
43         if (msgState.targetGroup == null) return false;
44         msgState.usercontext = msgState.sender.invitedBy ();
45         if (!msgState.targetGroup.usrIsPresent (msgState.usercontext)) {
46             msgState.msgTemplate = "error.a.noLongerValid";
47             msgState.sender.sendMessage (msgState.mp);
48             return false;
49         }
50         if (msgState.targetGroup != null
51                 && msgState.targetGroup.usrIsBaned (msgState.sender)) {
52             msgState.msgTemplate = "error.j.banned";
53             msgState.sender.sendMessage (msgState.mp);
54             return false;
55         }
56         msgState.sourceGroup = msgState.sender.getGroup ();
57         if (msgState.targetGroup.equals (msgState.sourceGroup)) {
58             msgState.sender.unsetInvitedTo ();
59             msgState.msgTemplate="error.j.alreadyHere";
60             msgState.sender.sendMessage(msgState.mp);
61             return false;
62         }
63         if (!msgState.targetGroup.addUser (msgState.sender, msgState.usercontext, true)) {
64             msgState.msgTemplate = "error.a.noLongerValid";
65             msgState.sender.sendMessage(msgState.mp);
66             return false;
67         }
68         msgState.msgTemplate = "message.a";
69         msgState.usercontext.sendMessage (msgState.mp);
70         msgState.msgTemplate = "message.a.personal";
71         msgState.sender.sendMessage(msgState.mp);
72         msgState.sender.unsetInvitedTo ();
73         msgState.msgTemplate = "message.user.leaving.group";
74         msgState.sourceGroup.sendModeratedMessage (msgState.mp);
75         msgState.msgTemplate = "message.user.join.group";
76         msgState.targetGroup.sendModeratedMessage (msgState.mp);
77         return true;
78     }
79 }
80
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