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


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 package org.snipsnap.render.macro;
26
27 import org.radeox.util.logging.Logger;
28 import org.radeox.util.i18n.ResourceManager;
29 import org.snipsnap.render.macro.parameter.SnipMacroParameter;
30 import org.snipsnap.snip.SnipSpaceFactory;
31
32 import java.io.IOException JavaDoc;
33 import java.io.Writer JavaDoc;
34 import java.util.List JavaDoc;
35
36 /*
37  * Macro that displays recently changed snips
38  *
39  * @author Matthias L. Jugel
40  * @version $Id: RecentChangesMacro.java 1606 2004-05-17 10:56:18Z leo $
41  */
42
43 public class RecentChangesMacro extends ListOutputMacro {
44   public String JavaDoc getName() {
45     return "recent-changes";
46   }
47
48   public String JavaDoc getDescription() {
49     return ResourceManager.getString("i18n.messages", "macro.recentchanges.description");
50   }
51
52   public String JavaDoc[] getParamDescription() {
53     return ResourceManager.getString("i18n.messages", "macro.recentchanges.params").split(";");
54   }
55
56   public void execute(Writer JavaDoc writer, SnipMacroParameter params)
57       throws IllegalArgumentException JavaDoc, IOException JavaDoc {
58
59     String JavaDoc type = "Vertical";
60     boolean showSize = false;
61     int length = 10;
62     if (params.getLength() > 0) {
63       try {
64         length = Integer.parseInt(params.get("0"));
65       } catch (NumberFormatException JavaDoc e) {
66         Logger.warn("RecentChangesMacro: illegal parameter count='" + params.get("1") + "'");
67       }
68     }
69     if (params.getLength() > 1) {
70       type = params.get("1");
71     }
72
73     if (params.getLength() <= 3) {
74       List JavaDoc changed = SnipSpaceFactory.getInstance().getChanged(length);
75       output(writer, params.getSnipRenderContext().getSnip(),
76              ResourceManager.getString("i18n.messages", "macro.recentchanges.title"),
77              changed,
78              ResourceManager.getString("i18n.messages", "macro.recentchanges.nochanges"),
79              type, showSize);
80     } else {
81       throw new IllegalArgumentException JavaDoc("Number of arguments does not match");
82     }
83   }
84 }
85
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