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Java > Open Source Codes > de > laures > cewolf > taglib > util > BrowserDetection


1 /* ================================================================
2  * Cewolf : Chart enabling Web Objects Framework
3  * ================================================================
4  *
5  * Project Info: http://cewolf.sourceforge.net
6  * Project Lead: Guido Laures (guido@laures.de);
7  *
8  * (C) Copyright 2002, by Guido Laures
9  *
10  * This library is free software; you can redistribute it and/or modify it under the terms
11  * of the GNU Lesser General Public License as published by the Free Software Foundation;
12  * either version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16  * See the GNU Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License along with this
19  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20  * Boston, MA 02111-1307, USA.
21  */
22
23 package de.laures.cewolf.taglib.util;
24
25 import javax.servlet.http.HttpServletRequest JavaDoc;
26 /**
27  * @author glaures
28  */
29 public class BrowserDetection {
30     
31     private final static String JavaDoc USER_AGENT_KEY = "user-agent";
32     private final static String JavaDoc MSIE = "msie";
33     
34     private final static int IE = 0;
35     private final static int OTHER = 1;
36     
37     public static final int getBrowser(HttpServletRequest JavaDoc request){
38         String JavaDoc agent = request.getHeader(USER_AGENT_KEY);
39         if(agent == null || agent.toLowerCase().indexOf(MSIE) < 0){
40             return OTHER;
41         } else {
42             return IE;
43         }
44     }
45     
46     public static final boolean isIE(HttpServletRequest JavaDoc request){
47         return getBrowser(request) == IE;
48     }
49
50 }
51
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