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Java > Open Source Codes > org > snipsnap > render > filter > links > CutLengthFormatter


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.filter.links;
27
28 /**
29  * Formats urls to a short url
30  *
31  * Example:
32  * http://www.google.de/search?q=pivot%20weblog&ie=UTF-8&oe=UTF-8&hl=de&meta=
33  *
34  * @author stephan
35  * @version $Id: CutLengthFormatter.java 1606 2004-05-17 10:56:18Z leo $
36  */
37
38 public class CutLengthFormatter implements UrlFormatter {
39   private UrlFormatter parent;
40
41   public void setParent(UrlFormatter parent) {
42     this.parent = parent;
43   };
44
45   public String JavaDoc format(String JavaDoc urlString) {
46     String JavaDoc result = urlString;
47     if (urlString.startsWith("http://")) {
48       result = cutLength(urlString ,90);
49     }
50     return result;
51   };
52
53   public static String JavaDoc cutLength(String JavaDoc url, int len) {
54     if (url != null && len > 3 && url.length() > len) {
55       return url.substring(0, len - 3) + "...";
56     }
57     return url;
58   }
59
60 }
61
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