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Java > Open Source Codes > org > jboss > test > web > servlets > EJBOnStartupServlet


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.web.servlets;
23
24 import java.io.IOException JavaDoc;
25 import java.io.PrintWriter JavaDoc;
26 import java.net.URL JavaDoc;
27 import javax.naming.Context JavaDoc;
28 import javax.naming.InitialContext JavaDoc;
29 import javax.naming.NamingException JavaDoc;
30 import javax.servlet.ServletConfig JavaDoc;
31 import javax.servlet.ServletException JavaDoc;
32 import javax.servlet.http.HttpServlet JavaDoc;
33 import javax.servlet.http.HttpServletRequest JavaDoc;
34 import javax.servlet.http.HttpServletResponse JavaDoc;
35 import javax.sql.DataSource JavaDoc;
36
37 import org.jboss.test.web.interfaces.ReferenceTest;
38 import org.jboss.test.web.interfaces.StatelessSession;
39 import org.jboss.test.web.interfaces.StatelessSessionHome;
40 import org.jboss.test.web.util.Util;
41
42 /** A servlet that accesses an EJB inside its init and destroy methods
43 to test web component startup ordering with respect to ebj components.
44
45 @author Scott.Scott@jboss.org
46 @version $Revision: 58115 $
47 */
48 public class EJBOnStartupServlet extends HttpServlet JavaDoc
49 {
50    org.jboss.logging.Logger log = org.jboss.logging.Logger.getLogger(getClass());
51    
52     StatelessSessionHome home;
53
54     public void init(ServletConfig JavaDoc config) throws ServletException JavaDoc
55     {
56         String JavaDoc param = config.getInitParameter("failOnError");
57         boolean failOnError = true;
58         if( param != null && Boolean.valueOf(param).booleanValue() == false )
59             failOnError = false;
60         try
61         {
62             // Access the Util.configureLog4j() method to test classpath resource
63 URL JavaDoc propsURL = Util.configureLog4j();
64             log.debug("log4j.properties = "+propsURL);
65             // Access an EJB to see that they have been loaded first
66 InitialContext JavaDoc ctx = new InitialContext JavaDoc();
67             home = (StatelessSessionHome) ctx.lookup("java:comp/env/ejb/OptimizedEJB");
68             log.debug("EJBOnStartupServlet is initialized");
69         }
70         catch(Exception JavaDoc e)
71         {
72             log.debug("failed", e);
73             ClassLoader JavaDoc loader = Thread.currentThread().getContextClassLoader();
74             try
75             {
76                log.debug(Util.displayClassLoaders(loader));
77             }
78             catch(NamingException JavaDoc ne)
79             {
80                log.debug("failed", ne);
81             }
82             if( failOnError == true )
83                 throw new ServletException JavaDoc("Failed to init EJBOnStartupServlet", e);
84         }
85     }
86
87     public void destroy()
88     {
89         try
90         {
91             InitialContext JavaDoc ctx = new InitialContext JavaDoc();
92             StatelessSessionHome home = (StatelessSessionHome) ctx.lookup("java:comp/env/ejb/OptimizedEJB");
93             log.debug("EJBOnStartupServlet is destroyed");
94         }
95         catch(Exception JavaDoc e)
96         {
97             log.debug("failed", e);
98         }
99     }
100
101     protected void processRequest(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
102         throws ServletException JavaDoc, IOException JavaDoc
103     {
104         try
105         {
106             StatelessSession bean = home.create();
107             bean.noop(new ReferenceTest(), true);
108             bean.remove();
109         }
110         catch(Exception JavaDoc e)
111         {
112             throw new ServletException JavaDoc("Failed to call OptimizedEJB", e);
113         }
114         response.setContentType("text/html");
115         PrintWriter JavaDoc out = response.getWriter();
116         out.println("<html>");
117         out.println("<head><title>EJBOnStartupServlet</title></head>");
118         out.println("<body>Was initialized<br>");
119         out.println("Tests passed<br>Time:"+Util.getTime()+"</body>");
120         out.println("</html>");
121         out.close();
122     }
123
124     protected void doGet(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
125         throws ServletException JavaDoc, IOException JavaDoc
126     {
127         processRequest(request, response);
128     }
129
130     protected void doPost(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
131         throws ServletException JavaDoc, IOException JavaDoc
132     {
133         processRequest(request, response);
134     }
135 }
136
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