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Java > Open Source Codes > org > jboss > ejb3 > test > dd > web > servlets > SecureEJBServletMT


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */

22 package org.jboss.ejb3.test.dd.web.servlets;
23
24 import java.io.IOException JavaDoc;
25 import java.io.PrintWriter JavaDoc;
26 import java.io.StringWriter JavaDoc;
27 import java.security.Principal JavaDoc;
28 import javax.naming.Context JavaDoc;
29 import javax.naming.InitialContext JavaDoc;
30 import javax.naming.NamingException JavaDoc;
31 import javax.servlet.ServletConfig JavaDoc;
32 import javax.servlet.ServletException JavaDoc;
33 import javax.servlet.http.HttpSession JavaDoc;
34 import javax.servlet.http.HttpServlet JavaDoc;
35 import javax.servlet.http.HttpServletRequest JavaDoc;
36 import javax.servlet.http.HttpServletResponse JavaDoc;
37
38 import org.jboss.ejb3.test.dd.web.interfaces.StatelessSession;
39
40 /** A servlet that spawns a thread to perform a long running task that
41 interacts with a secure EJB.
42
43 @author Scott.Stark@jboss.org
44 @version $Revision: 58110 $
45 */

46 public class SecureEJBServletMT extends HttpServlet JavaDoc
47 {
48    static org.jboss.logging.Logger log = org.jboss.logging.Logger.getLogger(SecureEJBServletMT.class);
49    
50     protected void processRequest(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
51         throws ServletException JavaDoc, IOException JavaDoc
52     {
53         HttpSession JavaDoc session = request.getSession();
54         Principal JavaDoc user = request.getUserPrincipal();
55         Object JavaDoc result = session.getAttribute("request.result");
56
57         response.setContentType("text/html");
58         PrintWriter JavaDoc out = response.getWriter();
59         out.println("<html>");
60         out.println("<head><title>SecureEJBServletMT</title></head>");
61         if( result == null )
62             out.println("<meta http-equiv='refresh' content='5'>");
63         out.println("<h1>SecureEJBServletMT Accessed</h1>");
64         out.println("<body><pre>You have accessed this servlet as user: "+user);
65
66         if( result == null )
67         {
68             Worker worker = new Worker(session);
69             out.println("Started worker thread...");
70             Thread JavaDoc t = new Thread JavaDoc(worker, "Worker");
71             t.start();
72         }
73         else if( result instanceof Exception JavaDoc )
74         {
75             StringWriter JavaDoc sw = new StringWriter JavaDoc();
76             PrintWriter JavaDoc pw = new PrintWriter JavaDoc(sw);
77             Exception JavaDoc e = (Exception JavaDoc) result;
78             e.printStackTrace(pw);
79             response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, sw.toString());
80         }
81         else
82         {
83             out.println("Finished request, result = "+result);
84         }
85         out.println("</pre></body></html>");
86         out.close();
87     }
88
89     protected void doGet(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
90         throws ServletException JavaDoc, IOException JavaDoc
91     {
92         processRequest(request, response);
93     }
94
95     protected void doPost(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
96         throws ServletException JavaDoc, IOException JavaDoc
97     {
98         processRequest(request, response);
99     }
100
101     static class Worker implements Runnable JavaDoc
102     {
103         HttpSession JavaDoc session;
104         Worker(HttpSession JavaDoc session)
105         {
106             this.session = session;
107         }
108         public void run()
109         {
110             try
111             {
112                 log.debug("Worker, start: "+System.currentTimeMillis());
113                 Thread.currentThread().sleep(2500);
114                 InitialContext JavaDoc ctx = new InitialContext JavaDoc();
115                 StatelessSession bean = (StatelessSession) ctx.lookup("java:comp/env/ejb/SecuredEJB");
116                 String JavaDoc echoMsg = bean.echo("SecureEJBServlet called SecuredEJB.echo");
117                 session.setAttribute("request.result", echoMsg);
118             }
119             catch(Exception JavaDoc e)
120             {
121                 session.setAttribute("request.result", e);
122             }
123             finally
124             {
125                 log.debug("Worker, end: "+System.currentTimeMillis());
126             }
127         }
128     }
129 }
130
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