/*

  * 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.any23.servlet;

 import javax.servlet.ServletException;

 import javax.servlet.http.HttpServlet;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import java.io.IOException;

 /**

  * This servlet contains the logic to perform the correct redirects

  * when <i>Any23</i> is used as a all-in-one web application.

  * 

  * @author Davide Palmisano ( palmisano@fbk.eu )

  */

 public class RedirectServlet extends HttpServlet {

     protected void doPost(HttpServletRequest request, HttpServletResponse response)

     throws ServletException, IOException {

         doGet(request, response);

     }

     protected void doGet(HttpServletRequest request, HttpServletResponse response)

     throws ServletException, IOException {

         // Show /resources/form.html for GET requests to the app's root

         final String pathInfo = request.getPathInfo();

         final String queryString = request.getQueryString();

         if (("/".equals(pathInfo) && queryString == null)) {

             getServletContext().getRequestDispatcher("/resources/form.html").forward(request, response);

             return;

         }

         // forward requests to /resources/* to the default servlet, this is

         // where we can put static files

         if (pathInfo.startsWith("/resources/")) {

             getServletContext().getNamedDispatcher("default").forward(request, response);

             return;

         }

         response.sendRedirect(

                 request.getContextPath() + "/any23" +

                         request.getPathInfo() +

                         (queryString == null ? "" : "?" + queryString)

         );

     }

 }