/*
    * 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.tobago.example.demo;
  
  import javax.servlet.ServletException;
  import javax.servlet.annotation.WebServlet;
  import javax.servlet.http.HttpServlet;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.http.HttpSession;
  import java.io.IOException;
  
  /**
   * Simple Servlet to kill the user session.
   */
  @WebServlet(urlPatterns = "/KillSession")
  public class KillSession extends HttpServlet {
  
    @Override
    protected void doGet(final HttpServletRequest request, final HttpServletResponse response)
        throws ServletException, IOException {
      final HttpSession session = request.getSession(false);
      if (session != null) {
        session.invalidate();
        response.getOutputStream().write("The user session was killed!".getBytes());
      } else {
        response.getOutputStream().write("There is no user session to kill!".getBytes());
      }
    }
  }