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Java > Open Source Codes > org > snipsnap > render > macro > UserCountMacro


1 /*
2  * This file is part of "SnipSnap Wiki/Weblog".
3  *
4  * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
5  * All Rights Reserved.
6  *
7  * Please visit http://snipsnap.org/ for updates and contact.
8  *
9  * --LICENSE NOTICE--
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  * --LICENSE NOTICE--
24  */
25
26 package org.snipsnap.render.macro;
27
28 import org.radeox.macro.Macro;
29 import org.radeox.macro.BaseMacro;
30 import org.radeox.macro.parameter.MacroParameter;
31 import org.radeox.util.i18n.ResourceManager;
32 import org.snipsnap.user.UserManager;
33 import org.snipsnap.user.UserManagerFactory;
34 import org.snipsnap.container.Components;
35
36 import java.io.IOException JavaDoc;
37 import java.io.Writer JavaDoc;
38
39 /*
40  * Macro that displays the user count
41  *
42  * @author stephan
43  * @version $Id: UserCountMacro.java 1606 2004-05-17 10:56:18Z leo $
44  */
45
46 public class UserCountMacro extends BaseMacro {
47   public String JavaDoc getName() {
48     return "user-count";
49   }
50
51   public String JavaDoc getDescription() {
52     return ResourceManager.getString("i18n.messages", "macro.usercount.description");
53   }
54
55   public void execute(Writer JavaDoc writer, MacroParameter params)
56       throws IllegalArgumentException JavaDoc, IOException JavaDoc {
57     if (params.getLength() == 0) {
58       UserManager um = (UserManager)Components.getComponent(UserManager.class);
59       writer.write(Integer.toString(um.getUserCount()));
60     } else {
61       throw new IllegalArgumentException JavaDoc("Number of arguments does not match");
62     }
63   }
64 }
65
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