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java/org/apache/catalina/ssi/SSIServletRequestUtil.java

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+/*
+ * 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.catalina.ssi;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.tomcat.util.http.RequestUtil;
+
+public class SSIServletRequestUtil {
+    /**
+     * Return the relative path associated with this servlet. Taken from
+     * DefaultServlet.java. Perhaps this should be put in
+     * org.apache.catalina.util somewhere? Seems like it would be widely used.
+     *
+     * @param request
+     *            The servlet request we are processing
+     * @return the relative path
+     */
+    public static String getRelativePath(HttpServletRequest request) {
+        // Are we being processed by a RequestDispatcher.include()?
+        if (request.getAttribute(
+                RequestDispatcher.INCLUDE_REQUEST_URI) != null) {
+            String result = (String)request.getAttribute(
+                    RequestDispatcher.INCLUDE_PATH_INFO);
+            if (result == null)
+                result = (String)request.getAttribute(
+                        RequestDispatcher.INCLUDE_SERVLET_PATH);
+            if ((result == null) || (result.equals(""))) result = "/";
+            return result;
+        }
+        // No, extract the desired path directly from the request
+        String result = request.getPathInfo();
+        if (result == null) {
+            result = request.getServletPath();
+        }
+        if ((result == null) || (result.equals(""))) {
+            result = "/";
+        }
+        return RequestUtil.normalize(result);
+    }
+
+}