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1
5 package com.tdsecurities.itracker.servlet;
6
7 import java.io.IOException  ;
8 import java.util.StringTokenizer ;
9
10 import javax.servlet.RequestDispatcher ;
11 import javax.servlet.ServletException ;
12 import javax.servlet.http.HttpServlet ;
13 import javax.servlet.http.HttpServletRequest ;
14 import javax.servlet.http.HttpServletResponse ;
15 import javax.servlet.http.HttpSession ;
16
17 import org.apache.log4j.Logger;
18
19 import com.tdsecurities.itracker.converter.Converter;
20
21
25 public class ConversionServlet extends HttpServlet
26 {
27 private static final String SESSION_MSG = "msg";
28 private Logger log = Logger.getLogger(ConversionServlet.class);
29 private static final String CONVERTER_LIST_PARAM = "ConverterList";
30 private static final String DELIM = ",";
31
32 protected void forward(HttpServletRequest request, HttpServletResponse response, String destinationPage)
33 throws IOException , ServletException
34 {
35 RequestDispatcher dispatcher = request.getRequestDispatcher(destinationPage);
36 dispatcher.forward(request, response);
37 }
38
39 protected void doPost(HttpServletRequest request, HttpServletResponse response)
40 throws ServletException , IOException
41 {
42 HttpSession session = request.getSession();
43 session.setAttribute(SESSION_MSG,"");
44 log.info("Post request received");
45 String converters = getServletContext().getInitParameter(CONVERTER_LIST_PARAM);
46 StringTokenizer tokenizer = new StringTokenizer (converters, DELIM);
47 Converter converter = null;
48 while( tokenizer.hasMoreTokens())
49 {
50 String token = tokenizer.nextToken();
51 token = token.trim();
52 try
53 {
54 converter = (Converter)Class.forName("com.tdsecurities.itracker.converter." + token).newInstance();
55 converter.convert();
56 }
57 catch(Throwable t)
58 {
59 String msg = (String )session.getAttribute(SESSION_MSG);
60 String msg2 = "Error running converter " + token + ": " + t.toString();
61 session.setAttribute(SESSION_MSG, msg + "<BR/>" + msg2);
62 log.error(msg2, t);
63 continue;
64 }
65 }
66 log.info( "Conversion complete.");
67 String msg = (String )session.getAttribute(SESSION_MSG);
68 if( msg == null || msg.length() <= 0)
69 session.setAttribute(SESSION_MSG, "Lookin' good!");
70
71 forward(request, response, "/index.jsp");
72 }
73
74 protected void doGet(HttpServletRequest request, HttpServletResponse response)
75 throws ServletException , IOException
76 {
77 log.info("Get request received");
78 }
79 }
80 |
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