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Java > Open Source Codes > org > jboss > test > timer > servlet > InitTimerServlet


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.test.timer.servlet;
23
24 import java.io.IOException JavaDoc;
25 import java.io.PrintWriter JavaDoc;
26 import java.util.Date JavaDoc;
27 import javax.servlet.http.HttpServlet JavaDoc;
28 import javax.servlet.http.HttpServletRequest JavaDoc;
29 import javax.servlet.http.HttpServletResponse JavaDoc;
30 import javax.servlet.ServletConfig JavaDoc;
31 import javax.servlet.ServletException JavaDoc;
32 import javax.naming.InitialContext JavaDoc;
33
34 import org.jboss.test.timer.interfaces.TimerSLSBHome;
35 import org.jboss.test.timer.interfaces.TimerSLSB;
36 import org.jboss.logging.Logger;
37
38 /** A servlet that creates an ejb timer in its init method to test that timer
39  * restoration on receipt of the server startup event does not try to create
40  * a duplicate timer from this one.
41  *
42  * @author Scott.Stark@jboss.org
43  * @version $Revision: 37406 $
44  */
45 public class InitTimerServlet extends HttpServlet JavaDoc
46 {
47    private static Logger log = Logger.getLogger(InitTimerServlet.class);
48    private static byte[] handle;
49
50    /**
51     * Start an ejb timer from within the init method.
52     *
53     * @param servletConfig
54     * @throws ServletException
55     */
56    public void init(ServletConfig JavaDoc servletConfig) throws ServletException JavaDoc
57    {
58       super.init(servletConfig);
59       log.info("init, creating ejb timer");
60       //
61 try
62       {
63          InitialContext JavaDoc ctx = new InitialContext JavaDoc();
64          TimerSLSBHome home = (TimerSLSBHome) ctx.lookup("java:/comp/env/ejb/TimerSLSBHome");
65          TimerSLSB bean = home.create();
66          handle = bean.startTimer(60000);
67       }
68       catch(Exception JavaDoc e)
69       {
70          throw new ServletException JavaDoc(e);
71       }
72    }
73
74    protected void doGet(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
75       throws ServletException JavaDoc, IOException JavaDoc
76    {
77       try
78       {
79          InitialContext JavaDoc ctx = new InitialContext JavaDoc();
80          TimerSLSBHome home = (TimerSLSBHome) ctx.lookup("java:/comp/env/ejb/TimerSLSBHome");
81          TimerSLSB bean = home.create();
82          int timeoutCount = bean.getTimeoutCount(handle);
83          Date JavaDoc nextTimeout = bean.getNextTimeout(handle);
84          long timeRemaining = bean.getTimeRemaining(handle);
85          PrintWriter JavaDoc pw = response.getWriter();
86          pw.println("<html><head><title>InitTimerServlet</title></head><body>");
87          pw.println("<h1>Timer Info</h1>");
88          pw.println("TimeoutCount:"+timeoutCount);
89          pw.println("<br>NextTimeout:"+nextTimeout);
90          pw.println("<br>TimeRemaining:"+timeRemaining);
91          pw.println("</body></html>");
92       }
93       catch(Exception JavaDoc e)
94       {
95          throw new ServletException JavaDoc(e);
96       }
97    }
98 }
99
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