SampleServlet


1   /* 
2    * ========================================================================
3    * 
4    * Copyright 2001-2003 The Apache Software Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    * 
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   * 
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   * 
18   * ========================================================================
19   */
20  package org.apache.maven.cactus.sample;
21  
22  import javax.servlet.http.HttpServlet  ;
23  import javax.servlet.http.HttpServletRequest  ;
24  import javax.servlet.http.HttpSession  ;
25  
26  /**
27   * Sample servlet that implements some very simple business logic. The goal is
28   * to provide some functional tests for Cactus and examples for Cactus users.
29   * This servlet simply checks is a user is authenticated
30   *
31   * @version $Id: SampleServlet.java,v 1.3 2004/02/29 16:34:44 vmassol Exp $
32   */
33  public class SampleServlet extends HttpServlet  
34  {
35      /**
36       *Take a request object and return whether the user is authenticated o not.
37       *
38       * @param theRequest the HttpServletRequest object
39       *
40       * @return boolean whether the request is by an authenticated user or not
41       *
42       */
43      public boolean isAuthenticated(HttpServletRequest   theRequest)
44      {
45          HttpSession   session = theRequest.getSession(false);
46  
47          if (session == null)
48          {
49              return false;
50          }
51  
52          String   authenticationAttribute =
53              (String  ) session.getAttribute("authenticated");
54  
55          return Boolean.valueOf(authenticationAttribute).booleanValue();
56      }
57  }
58
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