testCallEJBInServlet_TestingServlet


1   /*
2    * TestingServlet.java
3    *
4    * Created on 26. kveten 2005, 14:03
5    */
6   
7   package test;
8   
9   import java.io.*;
10  import java.net.*;
11  import java.rmi.RemoteException  ;
12  import java.util.logging.Level  ;
13  import java.util.logging.Logger  ;
14  import javax.ejb.CreateException  ;
15  import javax.naming.Context  ;
16  import javax.naming.InitialContext  ;
17  import javax.naming.NamingException  ;
18  import javax.rmi.PortableRemoteObject  ;
19  
20  import javax.servlet.*;
21  import javax.servlet.http.*;
22  
23  /**
24   *
25   * @author lm97939
26   * @version
27   */
28  public class TestingServlet extends HttpServlet {
29      
30      /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
31       * @param request servlet request
32       * @param response servlet response
33       */
34      protected void processRequest(HttpServletRequest request, HttpServletResponse response)
35      throws ServletException, IOException {
36          response.setContentType("text/html;charset=UTF-8");
37          PrintWriter out = response.getWriter();
38          out.println("<html>");
39          out.println("<head>");
40          out.println("<title>Servlet TestingServlet</title>");
41          out.println("</head>");
42          out.println("<body>");
43          out.println("<h1>Servlet TestingServlet at " + request.getContextPath () + "</h1>");
44          out.println("</body>");
45          out.println("</html>");
46          out.close();
47      }
48      
49      // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
50      /** Handles the HTTP <code>GET</code> method.
51       * @param request servlet request
52       * @param response servlet response
53       */
54      protected void doGet(HttpServletRequest request, HttpServletResponse response)
55      throws ServletException, IOException {
56          processRequest(request, response);
57      }
58      
59      /** Handles the HTTP <code>POST</code> method.
60       * @param request servlet request
61       * @param response servlet response
62       */
63      protected void doPost(HttpServletRequest request, HttpServletResponse response)
64      throws ServletException, IOException {
65          processRequest(request, response);
66      }
67      
68      /** Returns a short description of the servlet.
69       */
70      public String   getServletInfo() {
71          return "Short description";
72      }
73      // </editor-fold>
74  
75      private TestingSessionRemote lookupTestingSessionBean() {
76          try {
77              Context   c = new InitialContext  ();
78              Object   remote = c.lookup("java:comp/env/ejb/TestingSessionBean");
79              TestingSessionRemoteHome rv = (TestingSessionRemoteHome) PortableRemoteObject.narrow(remote, TestingSessionRemoteHome.class);
80              return rv.create();
81          }
82          catch(NamingException   ne) {
83              Logger.getLogger(getClass().getName()).log(Level.SEVERE,"exception caught" ,ne);
84              throw new RuntimeException  (ne);
85          }
86          catch(CreateException   ce) {
87              Logger.getLogger(getClass().getName()).log(Level.SEVERE,"exception caught" ,ce);
88              throw new RuntimeException  (ce);
89          }
90          catch(RemoteException   re) {
91              Logger.getLogger(getClass().getName()).log(Level.SEVERE,"exception caught" ,re);
92              throw new RuntimeException  (re);
93          }
94      }
95  }
96
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