Request handling utility class
/*
* $Id: RequestUtils.java 651946 2008-04-27 13:41:38Z apetrelli $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import javax.servlet.http.HttpServletRequest;
/**
* Request handling utility class.
*/
public class RequestUtils {
/**
* Retrieves the current request servlet path.
* Deals with differences between servlet specs (2.2 vs 2.3+)
*
* @param request the request
* @return the servlet path
*/
public static String getServletPath(HttpServletRequest request) {
String servletPath = request.getServletPath();
String requestUri = request.getRequestURI();
// Detecting other characters that the servlet container cut off (like anything after ';')
if (requestUri != null && servletPath != null && !requestUri.endsWith(servletPath)) {
int pos = requestUri.indexOf(servletPath);
if (pos > -1) {
servletPath = requestUri.substring(requestUri.indexOf(servletPath));
}
}
if (null != servletPath && !"".equals(servletPath)) {
return servletPath;
}
int startIndex = request.getContextPath().equals("") ? 0 : request.getContextPath().length();
int endIndex = request.getPathInfo() == null ? requestUri.length() : requestUri.lastIndexOf(request.getPathInfo());
if (startIndex > endIndex) { // this should not happen
endIndex = startIndex;
}
return requestUri.substring(startIndex, endIndex);
}
}
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