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21 package org.apache.struts2;
22
23 import javax.servlet.http.HttpServletRequest;
24
25
26 /***
27 * Request handling utility class.
28 */
29 public class RequestUtils {
30
31 /***
32 * Retrieves the current request servlet path.
33 * Deals with differences between servlet specs (2.2 vs 2.3+)
34 *
35 * @param request the request
36 * @return the servlet path
37 */
38 public static String getServletPath(HttpServletRequest request) {
39 String servletPath = request.getServletPath();
40
41 if (null != servletPath && !"".equals(servletPath)) {
42 return servletPath;
43 }
44
45 String requestUri = request.getRequestURI();
46 int startIndex = request.getContextPath().equals("") ? 0 : request.getContextPath().length();
47 int endIndex = request.getPathInfo() == null ? requestUri.length() : requestUri.lastIndexOf(request.getPathInfo());
48
49 if (startIndex > endIndex) {
50 endIndex = startIndex;
51 }
52
53 return requestUri.substring(startIndex, endIndex);
54 }
55
56 }