01 <%@ page import="trail.mdb.*, javax.naming.*, java.text.*,
02 javax.jms.*,
03 java.sql.Timestamp"%>
04
05 <%
06 if ("send".equals(request.getParameter ("action"))) {
07
08 QueueConnection cnn = null;
09 QueueSender sender = null;
10 QueueSession sess = null;
11 Queue queue = null;
12
13 try {
14 InitialContext ctx = new InitialContext();
15 queue = (Queue) ctx.lookup("queue/mdb");
16 QueueConnectionFactory factory =
17 (QueueConnectionFactory) ctx.lookup("ConnectionFactory");
18 cnn = factory.createQueueConnection();
19 sess = cnn.createQueueSession(false,
20 QueueSession.AUTO_ACKNOWLEDGE);
21
22 } catch (Exception e) {
23 e.printStackTrace ();
24 }
25
26 TextMessage msg = sess.createTextMessage(
27 request.getParameter ("start") + "," +
28 request.getParameter ("end") + "," +
29 request.getParameter ("growthrate") + "," +
30 request.getParameter ("saving")
31 );
32 // The sent timestamp acts as the message's ID
33 long sent = System.currentTimeMillis();
34 msg.setLongProperty("sent", sent);
35
36 sender = sess.createSender(queue);
37 sender.send(msg);
38 // sess.commit ();
39 sess.close ();
40 %>
41
42 <html>
43 <head><meta http-equiv="REFRESH" content="3;
44 URL=check.jsp?sent=<%=sent%>"></head>
45 <body>
46 Please wait while I am checking whether the message has arrived.<br/>
47 <a href="calculator.jsp">Go back to Calculator</a>
48 </body>
49 </html>
50
51 <%
52 return;
53
54 } else {
55
56 int start = 25;
57 int end = 65;
58 double growthrate = 0.08;
59 double saving = 300.0;
60 %>
61
62 <html>
63 <body>
64 <p>Investment calculator<br/>
65 <form action="calculator.jsp" method="POST">
66 <input type="hidden" name="action" value="send">
67 Start age = <input type="text" name="start" value="<%=start%>"><br/>
68 End age = <input type="text" name="end" value="<%=end%>"><br/>
69 Annual Growth Rate = <input type="text" name="growthrate" value="<%=growthrate%>"><br/>
70 Montly Saving = <input type="text" name="saving" value="<%=saving%>"><br/>
71 <input type="submit" value="Calculate">
72 <INPUT type="button" value="Close Window" onClick="window.close()">
73 </form>
74 </p>
75 </body>
76 </html>
77
78 <%
79 return;
80 }
81 %>
|