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Java > Open Source Codes > dlog4j > util > RequestUtils


1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 2 of the License, or
5  * (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU Library General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software
14  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15  */
16 package dlog4j.util;
17
18 import javax.servlet.ServletRequest JavaDoc;
19 import javax.servlet.http.HttpServletRequest JavaDoc;
20
21 /**
22  * 用于处理请求信息的工具类,例如参数的处理等
23  * @author Liudong
24  */
25 public class RequestUtils {
26
27     public static String JavaDoc getBaseURL(HttpServletRequest JavaDoc req){
28         String JavaDoc url = req.getRequestURL().toString();
29         String JavaDoc uri = req.getRequestURI();
30         String JavaDoc context = req.getContextPath();
31         int idx = url.indexOf(uri);
32         return (idx==-1)?url:url.substring(0,idx) + context;
33     }
34     /**
35      * 获取整型参数
36      * @param req
37      * @param param
38      * @param defValue
39      * @return
40      */
41     public static int getIntParameter(ServletRequest JavaDoc req, String JavaDoc param, int defValue) {
42         int value = defValue;
43         try {
44             value = Integer.parseInt(req.getParameter(param));
45         }catch(Exception JavaDoc e) {}
46         return value;
47     }
48     
49     public static void main(String JavaDoc[] args) {
50     }
51 }
52
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