/*

  *  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.myfaces.shared_impl.util.servlet;

 import javax.servlet.*;

 import javax.servlet.http.*;

 import java.io.*;

 public class SourceCodeServlet extends HttpServlet 

 {

     public void doGet(HttpServletRequest req, HttpServletResponse res)

         throws IOException, ServletException

     {

         String webPage = req.getServletPath();

         // remove the '*.source' suffix that maps to this servlet

         int chopPoint = webPage.indexOf(".source");

         webPage = webPage.substring(0, chopPoint - 1);

         webPage += "p"; // replace jsf with jsp

         // get the actual file location of the requested resource

         String realPath = getServletConfig().getServletContext().getRealPath(webPage);

         // output an HTML page

         res.setContentType("text/plain");

         // print some html

         ServletOutputStream out = res.getOutputStream();

         // print the file

         InputStream in = null;

         try 

         {

             in = new BufferedInputStream(new FileInputStream(realPath));

             int ch;

             while ((ch = in.read()) !=-1) 

             {

                 out.print((char)ch);

             }

         }

         finally {

             if (in != null) in.close();  // very important

         }

     }

 }