DisplayMainMenuAction


1   package com.quikj.application.communicator.admin.controller;
2   
3   import java.io.IOException  ;
4   import java.util.Locale  ;
5   import javax.servlet.ServletException  ;
6   import javax.servlet.http.HttpServletRequest  ;
7   import javax.servlet.http.HttpServletResponse  ;
8   import org.apache.struts.action.Action;
9   import org.apache.struts.action.ActionError;
10  import org.apache.struts.action.ActionErrors;
11  import org.apache.struts.action.ActionForm;
12  import org.apache.struts.action.ActionForward;
13  import org.apache.struts.action.ActionMapping;
14  import java.sql.*;
15  
16  /**
17   * Implementation of <strong>Action</strong> that validates a user logon.
18   * Based on Apache Struts framework.
19   *
20   * @author Vinod Batra
21   * @version $Revision: 1.3 $ $Date: 2004/05/03 11:09:17 $
22   */
23  
24  public final class DisplayMainMenuAction extends Action
25  {
26      /**
27       * Process the specified HTTP request, and create the corresponding HTTP
28       * response (or forward to another web component that will create it).
29       * Return an <code>ActionForward</code> instance describing where and how
30       * control should be forwarded, or <code>null</code> if the response has
31       * already been completed.
32       *
33       * @param mapping The ActionMapping used to select this instance
34       * @param actionForm The optional ActionForm bean for this request (if any)
35       * @param request The HTTP request we are processing
36       * @param response The HTTP response we are creating
37       *
38       * @exception IOException if an input/output error occurs
39       * @exception ServletException if a servlet exception occurs
40       */
41      public ActionForward execute(ActionMapping mapping,
42      ActionForm form,
43      HttpServletRequest   request,
44      HttpServletResponse   response)
45      throws IOException  , ServletException  
46      {
47          // Extract attributes we will need
48          Locale   locale = getLocale(request);
49          ActionErrors errors = new ActionErrors();
50          
51          // first check if the user has a connection
52          Connection c = (Connection)request.getSession().getAttribute("connection");
53          if (c == null)
54          {
55              errors.add(ActionErrors.GLOBAL_ERROR,
56              new ActionError("error.not.logged.in"));
57              saveErrors(request, errors);
58              return mapping.findForward("logon");
59          }
60                  
61          return (new ActionForward(mapping.getInput()));        
62      }
63  }
64
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags