01 <%@ page import="trail.mdpojo.*, javax.naming.*, java.text.*,
02 org.jboss.ejb3.mdb.*"%>
03
04 <%
05 if ("send".equals(request.getParameter ("action"))) {
06
07 int start = Integer.parseInt(request.getParameter ("start"));
08 int end = Integer.parseInt(request.getParameter ("end"));
09 double growthrate = Double.parseDouble(request.getParameter ("growthrate"));
10 double saving = Double.parseDouble(request.getParameter ("saving"));
11
12 // The sent timestamp acts as the message's ID
13 long sent = System.currentTimeMillis();
14
15 Calculator cal = null;
16 ProducerManager manager = null;
17 try {
18
19 InitialContext ctx = new InitialContext();
20 cal = (Calculator) ctx.lookup(
21 Calculator.class.getName());
22 // cal = (Calculator) ctx.lookup(
23 // "EJB3Trail/MdpojoCalculator/remote");
24 ProducerObject po = (ProducerObject) cal;
25 manager = po.getProducerManager();
26
27 } catch (Exception e) {
28 e.printStackTrace ();
29 }
30
31 manager.connect(); // internally create a JMS connection
32 try {
33 cal.doCalculation(sent, start, end,
34 growthrate, saving);
35 } finally {
36 manager.close(); // clean up the JMS connection
37 }
38
39 %>
40
41 <html>
42 <head><meta http-equiv="REFRESH" content="3;
43 URL=check.jsp?sent=<%=sent%>"></head>
44 <body>
45 Please wait while I am checking whether the message has arrived.<br/>
46 <a href="calculator.jsp">Go back to Calculator</a>
47 </body>
48 </html>
49
50 <%
51 return;
52
53 } else {
54
55 int start = 25;
56 int end = 65;
57 double growthrate = 0.08;
58 double saving = 300.0;
59 %>
60
61 <html>
62 <body>
63 <p>Investment calculator<br/>
64 <form action="calculator.jsp" method="POST">
65 <input type="hidden" name="action" value="send">
66 Start age = <input type="text" name="start" value="<%=start%>"><br/>
67 End age = <input type="text" name="end" value="<%=end%>"><br/>
68 Annual Growth Rate = <input type="text" name="growthrate" value="<%=growthrate%>"><br/>
69 Montly Saving = <input type="text" name="saving" value="<%=saving%>"><br/>
70 <input type="submit" value="Calculate">
71 <INPUT type="button" value="Close Window" onClick="window.close()">
72 </form>
73 </p>
74 </body>
75 </html>
76
77 <%
78 return;
79 }
80 %>
|