| /* |
| * 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. |
| */ |
| package org.apache.sling.api.wrappers; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| /** |
| * This class is not a "wrapper" per se, but computes the correct path info, |
| * request URI, etc. for included requests. When including a request via |
| * {@link javax.servlet.RequestDispatcher}, the Servlet API specifies that |
| * target paths of the included request are available as request attributes. |
| * {@code Request.getPathInfo()}, for example will return the value for the |
| * including request, *not* for the included one. |
| * <p> |
| * This class is not intended to be extended or instantiated because it just |
| * provides constants and static utility methods not intended to be overwritten. |
| */ |
| public class SlingRequestPaths { |
| |
| /** |
| * Attribute name used by the RequestDispatcher to indicate the context path |
| * of the included request, as a String. |
| */ |
| public static final String INCLUDE_CONTEXT_PATH = "javax.servlet.include.context_path"; |
| |
| /** |
| * Attribute name used by the RequestDispatcher to indicate the path info of |
| * the included request, as a String. |
| */ |
| public static final String INCLUDE_PATH_INFO = "javax.servlet.include.path_info"; |
| |
| /** |
| * Attribute name used by the RequestDispatcher to indicate the query string |
| * of the included request, as a String. |
| */ |
| public static final String INCLUDE_QUERY_STRING = "javax.servlet.include.query_string"; |
| |
| /** |
| * Attribute name used by the RequestDispatcher to indicate the request URI |
| * of the included request, as a String. |
| */ |
| public static final String INCLUDE_REQUEST_URI = "javax.servlet.include.request_uri"; |
| |
| /** |
| * Attribute name used by the RequestDispatcher to indicate the servlet path |
| * of the included request, as a String. |
| */ |
| public static final String INCLUDE_SERVLET_PATH = "javax.servlet.include.servlet_path"; |
| |
| /** |
| * Return the context path for r, using the appropriate request attribute if |
| * the request is an included one. |
| * @param r The request |
| * @return The context path. |
| */ |
| public static String getContextPath(HttpServletRequest r) { |
| final String attr = (String) r.getAttribute(INCLUDE_CONTEXT_PATH); |
| return attr != null ? attr : r.getContextPath(); |
| } |
| |
| /** |
| * Return the context path for r, using the appropriate request attribute if |
| * the request is an included one. |
| * @param r The request |
| * @return The path info. |
| */ |
| public static String getPathInfo(HttpServletRequest r) { |
| final String attr = (String) r.getAttribute(INCLUDE_PATH_INFO); |
| return attr != null ? attr : r.getPathInfo(); |
| } |
| |
| /** |
| * Return the query string for r, using the appropriate request attribute if |
| * the request is an included one. |
| * @param r The request |
| * @return The query string. |
| */ |
| public static String getQueryString(HttpServletRequest r) { |
| final String attr = (String) r.getAttribute(INCLUDE_QUERY_STRING); |
| return attr != null ? attr : r.getQueryString(); |
| } |
| |
| /** |
| * Return the request URI for r, using the appropriate request attribute if |
| * the request is an included one. |
| * @param r The request |
| * @return The request uri. |
| */ |
| public static String getRequestURI(HttpServletRequest r) { |
| final String attr = (String) r.getAttribute(INCLUDE_REQUEST_URI); |
| return attr != null ? attr : r.getRequestURI(); |
| } |
| |
| /** |
| * Return the servlet path for r, using the appropriate request attribute if |
| * the request is an included one. |
| * @param r The request |
| * @return The servlet path. |
| */ |
| public static String getServletPath(HttpServletRequest r) { |
| final String attr = (String) r.getAttribute(INCLUDE_SERVLET_PATH); |
| return attr != null ? attr : r.getServletPath(); |
| } |
| |
| /** |
| * True if r is an included request, in which case it has the |
| * INCLUDE_REQUEST_URI attribute |
| * @param r The request |
| * @return {@code true} if this is an include. |
| */ |
| public static boolean isIncluded(HttpServletRequest r) { |
| return r.getAttribute(INCLUDE_REQUEST_URI) != null; |
| } |
| } |