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From bdelacre...@apache.org
Subject svn commit: r597427 - /incubator/sling/trunk/api/src/main/java/org/apache/sling/api/wrappers/SlingRequestPaths.java
Date Thu, 22 Nov 2007 15:22:11 GMT
Author: bdelacretaz
Date: Thu Nov 22 07:22:10 2007
New Revision: 597427

URL: http://svn.apache.org/viewvc?rev=597427&view=rev
Log:
SLING-104 : SlingRequestPaths can be used to compute path info for included requests

Added:
    incubator/sling/trunk/api/src/main/java/org/apache/sling/api/wrappers/SlingRequestPaths.java
  (with props)

Added: incubator/sling/trunk/api/src/main/java/org/apache/sling/api/wrappers/SlingRequestPaths.java
URL: http://svn.apache.org/viewvc/incubator/sling/trunk/api/src/main/java/org/apache/sling/api/wrappers/SlingRequestPaths.java?rev=597427&view=auto
==============================================================================
--- incubator/sling/trunk/api/src/main/java/org/apache/sling/api/wrappers/SlingRequestPaths.java
(added)
+++ incubator/sling/trunk/api/src/main/java/org/apache/sling/api/wrappers/SlingRequestPaths.java
Thu Nov 22 07:22:10 2007
@@ -0,0 +1,110 @@
+/*
+ * 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.RequestDispatcher;
+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 RequestDispatcher}, the Servlet
+ *  API specifies that target paths of the included request are available
+ *  as request attributes. Request.getPathInfo(), for example will return 
+ *  the value for the including request, *not* for the included one. 
+ */
+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.
+     */
+    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.
+     */
+    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.
+     */
+    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.
+     */
+    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.
+     */
+    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
+     */
+    public static boolean isIncluded(HttpServletRequest r) {
+        return r.getAttribute(INCLUDE_REQUEST_URI) != null;
+    }
+}

Propchange: incubator/sling/trunk/api/src/main/java/org/apache/sling/api/wrappers/SlingRequestPaths.java
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    svn:eol-style = native

Propchange: incubator/sling/trunk/api/src/main/java/org/apache/sling/api/wrappers/SlingRequestPaths.java
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    svn:keywords = Author Date Id Revision Rev URL



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