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Tomcat example source code file (SSIServletRequestUtil.java)

This example Tomcat source code file (SSIServletRequestUtil.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

http, request, response, servlet, ssiservletrequestutil, ssiservletrequestutil, string, string

The Tomcat SSIServletRequestUtil.java source code

/*
 * 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.http.HttpServletRequest;
import org.apache.catalina.util.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
     */
    public static String getRelativePath(HttpServletRequest request) {
        // Are we being processed by a RequestDispatcher.include()?
        if (request.getAttribute("javax.servlet.include.request_uri") != null) {
            String result = (String)request
                    .getAttribute("javax.servlet.include.path_info");
            if (result == null)
                result = (String)request
                        .getAttribute("javax.servlet.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 normalize(result);
    }


    /**
     * Return a context-relative path, beginning with a "/", that represents
     * the canonical version of the specified path after ".." and "." elements
     * are resolved out. If the specified path attempts to go outside the
     * boundaries of the current context (i.e. too many ".." path elements are
     * present), return <code>null instead. This normalize should be
     * the same as DefaultServlet.normalize, which is almost the same ( see
     * source code below ) as RequestUtil.normalize. Do we need all this
     * duplication?
     * 
     * @param path
     *            Path to be normalized
     */
    public static String normalize(String path) {
        if (path == null) return null;
        String normalized = path;
        //Why doesn't RequestUtil do this??
        // Normalize the slashes and add leading slash if necessary
        if (normalized.indexOf('\\') >= 0)
            normalized = normalized.replace('\\', '/');
        normalized = RequestUtil.normalize(path);
        return normalized;
    }
}

Other Tomcat examples (source code examples)

Here is a short list of links related to this Tomcat SSIServletRequestUtil.java source code file:

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