01: /*
02: * This program is free software; you can redistribute it and/or modify
03: * it under the terms of the GNU General Public License as published by
04: * the Free Software Foundation; either version 2 of the License, or
05: * (at your option) any later version.
06: *
07: * This program is distributed in the hope that it will be useful,
08: * but WITHOUT ANY WARRANTY; without even the implied warranty of
09: * 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;
19: import javax.servlet.http.HttpServletRequest;
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 getBaseURL(HttpServletRequest req) {
28: String url = req.getRequestURL().toString();
29: String uri = req.getRequestURI();
30: String context = req.getContextPath();
31: int idx = url.indexOf(uri);
32: return (idx == -1) ? url : url.substring(0, idx) + context;
33: }
34:
35: /**
36: * 获取整型参数
37: * @param req
38: * @param param
39: * @param defValue
40: * @return
41: */
42: public static int getIntParameter(ServletRequest req, String param,
43: int defValue) {
44: int value = defValue;
45: try {
46: value = Integer.parseInt(req.getParameter(param));
47: } catch (Exception e) {
48: }
49: return value;
50: }
51:
52: public static void main(String[] args) {
53: }
54: }
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