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1
22 package org.jboss.test.web.servlets;
23
24 import java.io.IOException  ;
25 import java.io.PrintWriter ;
26 import javax.ejb.Handle ;
27 import javax.naming.Context ;
28 import javax.naming.InitialContext ;
29 import javax.servlet.ServletException ;
30 import javax.servlet.http.HttpServlet ;
31 import javax.servlet.http.HttpServletRequest ;
32 import javax.servlet.http.HttpServletResponse ;
33 import javax.servlet.http.HttpSession ;
34 import javax.servlet.http.HttpSessionActivationListener ;
35 import javax.servlet.http.HttpSessionEvent ;
36
37 import org.jboss.logging.Logger;
38 import org.jboss.test.web.interfaces.StatelessSession;
39 import org.jboss.test.web.interfaces.StatelessSessionHome;
40
41
47 public class StatefulSessionServlet extends HttpServlet
48 {
49 static private Logger log = Logger.getLogger(StatefulSessionServlet.class);
50
51 static class SessionHandle implements HttpSessionActivationListener
52 {
53 Handle h;
54 SessionHandle(Handle h)
55 {
56 this.h = h;
57 }
58 public void sessionWillPassivate(HttpSessionEvent event)
59 {
60 log.info("sessionWillPassivate, event="+event);
61 }
62
63 public void sessionDidActivate(HttpSessionEvent event)
64 {
65 log.info("sessionDidActivate, event="+event);
66 }
67 }
68
69 protected void processRequest(HttpServletRequest request, HttpServletResponse response)
70 throws ServletException , IOException
71 {
72 HttpSession session = request.getSession();
73 try
74 {
75 StatelessSession localBean = null;
76 if( session.isNew() )
78 {
79 log.info("Creating a new stateful session");
80 InitialContext ctx = new InitialContext ();
81 Context enc = (Context ) ctx.lookup("java:comp/env");
82 StatelessSessionHome localHome = (StatelessSessionHome) enc.lookup("ejb/StatefulEJB");
83 localBean = localHome.create();
84 Handle h = localBean.getHandle();
85 SessionHandle wrapper = new SessionHandle(h);
86 session.setAttribute("StatefulEJB", wrapper);
87 }
88 else
89 {
90 log.info("Getting existing stateful session");
91 SessionHandle wrapper = (SessionHandle) session.getAttribute("StatefulEJB");
92 localBean = (StatelessSession) wrapper.h.getEJBObject();
93 }
94 localBean.echo("Hello");
95 }
96 catch (Exception e)
97 {
98 throw new ServletException ("Failed to call StatefulEJB", e);
99 }
100 response.setContentType("text/html");
101 PrintWriter out = response.getWriter();
102 out.println("<html>");
103 out.println("<head><title>StatefulSessionServlet</title></head>");
104 out.println("<body>");
105 out.println("<h1>Session Information</h1>");
106 out.println("SessionID: "+session.getId());
107 out.println("IsNew: "+session.isNew());
108 out.println("CreationTime: "+session.getCreationTime());
109 out.println("LastAccessedTime: "+session.getLastAccessedTime());
110 out.println("Now: "+System.currentTimeMillis());
111 out.println("MaxInactiveInterval: "+session.getMaxInactiveInterval());
112 out.println("</body>");
113 out.println("</html>");
114 out.close();
115 }
116
117 protected void doGet(HttpServletRequest request, HttpServletResponse response)
118 throws ServletException , IOException
119 {
120 processRequest(request, response);
121 }
122
123 protected void doPost(HttpServletRequest request, HttpServletResponse response)
124 throws ServletException , IOException
125 {
126 processRequest(request, response);
127 }
128 }
129 |
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