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1
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9
10 package org.openlaszlo.servlets.responders;
11
12 import java.io.*;
13 import java.util.*;
14 import javax.servlet.*;
15 import javax.servlet.http.*;
16 import org.openlaszlo.auth.*;
17 import org.openlaszlo.connection.*;
18 import org.openlaszlo.media.*;
19 import org.openlaszlo.utils.*;
20 import org.openlaszlo.xml.internal.*;
21 import org.apache.log4j.*;
22
23 public final class ResponderCONNECTIONLOGOUT extends ResponderConnection
24 {
25 private static Logger mLogger =
26 Logger.getLogger(ResponderCONNECTIONLOGOUT.class);
27
28 protected void respondImpl(HttpServletRequest req, HttpServletResponse res,
29 Application app, int serial, String  username)
30 throws IOException
31 {
32 Authentication auth = app.getAuthenticator();
33
34 String xml;
35 String status="error";
36 StringBuffer buf = new StringBuffer ();
37 try {
38 int code = auth.logout(req, res, getAuthParam(req), buf);
39 status = (code == 0 ? "success" : "failure" );
40 String xmlResponse = buf.toString();
41 int i = xmlResponse.indexOf("<authentication>");
42 if (i != -1) {
43 xmlResponse = xmlResponse.substring(i);
44
45 xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
46 + "<!DOCTYPE laszlo-data>"
47 + "<resultset s=\"" + serial + "\">"
48 + "<logout status=\"" + status + "\">"
49 + xmlResponse
50 + "</logout></resultset>";
51
52 } else {
53 xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
54 + "<!DOCTYPE laszlo-data>"
55 + "<resultset s=\"" + serial + "\">"
56 + "<logout status=\"error\">"
57 + "<error message=\"could not find <authentication> element\" />"
58 + "</logout></resultset>";
59 mLogger.warn("could not find <authentication> element: " + xmlResponse);
60 }
61 } catch (AuthenticationException e) {
62 xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
63 + "<!DOCTYPE laszlo-data>"
64 + "<resultset s=\"" + serial + "\">"
65 + "<logout status=\"error\">"
66 + "<error message=\"authentication exception\" />"
67 + "</logout></resultset>";
68 mLogger.warn("AuthenticationException", e);
69 }
70
71 res.setContentType(MimeType.SWF);
72
73 ServletOutputStream sos = res.getOutputStream();
74 try {
75 InputStream swfbytes = DataCompiler.compile(xml, mSWFVersionNum);
76 FileUtils.sendToStream(swfbytes, sos);
77 sos.flush();
78 } catch (FileUtils.StreamWritingException e) {
79 mLogger.warn("StreamWritingException while sending connection logout response: " + e.getMessage());
80 } catch (DataCompilerException e) {
81 respondWithExceptionSWF(res, e);
82 return;
83 } finally {
84 FileUtils.close(sos);
85 }
86 }
87 }
88 |
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