| 0,0 → 1,83 |
|---|
| /* |
| * Copyright 2001-2007 Sun Microsystems, Inc. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * - Neither the name of Sun Microsystems nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package demo; |
| |
| import java.io.*; |
| import javax.servlet.*; |
| import javax.servlet.http.*; |
| |
| /** |
| * This servlet is used to determine whether the user is logged in before |
| * forwarding the request to the selected URL. |
| */ |
| public class FilterServlet extends HttpServlet { |
| |
| /** |
| * This method handles the "POST" submission from two forms: the |
| * login form and the message compose form. |
| */ |
| public void doPost(HttpServletRequest request, |
| HttpServletResponse response) |
| throws IOException, ServletException { |
| |
| String servletPath = request.getServletPath(); |
| servletPath = servletPath.concat(".jsp"); |
| |
| getServletConfig().getServletContext(). |
| getRequestDispatcher("/" + servletPath).forward(request, response); |
| } |
| |
| /** |
| * This method handles the GET requests from the client. |
| */ |
| public void doGet(HttpServletRequest request, |
| HttpServletResponse response) |
| throws IOException, ServletException { |
| |
| // check to be sure we're still logged in |
| // before forwarding the request. |
| HttpSession session = request.getSession(); |
| MailUserBean mailuser = (MailUserBean)session.getAttribute("mailuser"); |
| String servletPath = request.getServletPath(); |
| servletPath = servletPath.concat(".jsp"); |
| |
| if (mailuser.isLoggedIn()) |
| getServletConfig().getServletContext(). |
| getRequestDispatcher("/" + servletPath). |
| forward(request, response); |
| else |
| getServletConfig().getServletContext(). |
| getRequestDispatcher("/index.html"). |
| forward(request, response); |
| } |
| } |
| |