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Java > Open Source Codes > org > riotfamily > riot > list > ui > render > DateRenderer


1 /* ***** BEGIN LICENSE BLOCK *****
2  * Version: MPL 1.1
3  * The contents of this file are subject to the Mozilla Public License Version
4  * 1.1 (the "License"); you may not use this file except in compliance with
5  * the License. You may obtain a copy of the License at
6  * http://www.mozilla.org/MPL/
7  *
8  * Software distributed under the License is distributed on an "AS IS" basis,
9  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10  * for the specific language governing rights and limitations under the
11  * License.
12  *
13  * The Original Code is Riot.
14  *
15  * The Initial Developer of the Original Code is
16  * Neteye GmbH.
17  * Portions created by the Initial Developer are Copyright (C) 2006
18  * the Initial Developer. All Rights Reserved.
19  *
20  * Contributor(s):
21  * Felix Gnass [fgnass at neteye dot de]
22  *
23  * ***** END LICENSE BLOCK ***** */
24 package org.riotfamily.riot.list.ui.render;
25
26 import java.io.PrintWriter JavaDoc;
27 import java.text.DateFormat JavaDoc;
28 import java.text.SimpleDateFormat JavaDoc;
29 import java.util.Date JavaDoc;
30
31 public class DateRenderer implements CellRenderer {
32
33     private static final String JavaDoc SHORT = "short";
34     
35     private static final String JavaDoc MEDIUM = "medium";
36     
37     private static final String JavaDoc LONG = "long";
38     
39     
40     private int style = DateFormat.MEDIUM;
41     
42     public void setStyle(String JavaDoc style) {
43         if (SHORT.equals(style)) {
44             this.style = DateFormat.SHORT;
45         }
46         else if (MEDIUM.equals(style)) {
47             this.style = DateFormat.MEDIUM;
48         }
49         else if (LONG.equals(style)) {
50             this.style = DateFormat.LONG;
51         }
52         else {
53             throw new IllegalArgumentException JavaDoc("Invalid date style: " + style);
54         }
55     }
56     
57     public void render(String JavaDoc propertyName, Object JavaDoc value, RenderContext context,
58             PrintWriter JavaDoc writer) {
59         
60         Date JavaDoc date = (Date JavaDoc) value;
61         if (date != null) {
62             DateFormat JavaDoc format = SimpleDateFormat.getDateInstance(
63                     style, context.getMessageResolver().getLocale());
64             
65             writer.print(format.format(date));
66         }
67     }
68 }
69
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