01: /*
02: * $Id: RequestUtils.java 471717 2006-11-06 12:50:18Z husted $
03: *
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "License"); you may not use this file except in compliance
10: * with the License. You may obtain a copy of the License at
11: *
12: * http://www.apache.org/licenses/LICENSE-2.0
13: *
14: * Unless required by applicable law or agreed to in writing,
15: * software distributed under the License is distributed on an
16: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17: * KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations
19: * under the License.
20: */
21: package org.apache.struts2;
22:
23: import javax.servlet.http.HttpServletRequest;
24:
25: /**
26: * Request handling utility class.
27: */
28: public class RequestUtils {
29:
30: /**
31: * Retrieves the current request servlet path.
32: * Deals with differences between servlet specs (2.2 vs 2.3+)
33: *
34: * @param request the request
35: * @return the servlet path
36: */
37: public static String getServletPath(HttpServletRequest request) {
38: String servletPath = request.getServletPath();
39:
40: if (null != servletPath && !"".equals(servletPath)) {
41: return servletPath;
42: }
43:
44: String requestUri = request.getRequestURI();
45: int startIndex = request.getContextPath().equals("") ? 0
46: : request.getContextPath().length();
47: int endIndex = request.getPathInfo() == null ? requestUri
48: .length() : requestUri.lastIndexOf(request
49: .getPathInfo());
50:
51: if (startIndex > endIndex) { // this should not happen
52: endIndex = startIndex;
53: }
54:
55: return requestUri.substring(startIndex, endIndex);
56: }
57:
58: }
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