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1
4
5
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.connection.*;
17 import org.openlaszlo.media.*;
18 import org.openlaszlo.utils.*;
19 import org.openlaszlo.xml.internal.*;
20 import org.apache.log4j.*;
21
22 public final class ResponderLIST extends ResponderConnection
23 {
24 private static boolean mIsInitialized = false;
25 private static Object  mIsInitializedLock = new Object ();
26
27 private static Logger mLogger = Logger.getLogger(ResponderLIST.class);
28
29 protected void respondImpl(HttpServletRequest req, HttpServletResponse res,
30 Application app, int serial, String username)
31 throws IOException
32 {
33 String users = req.getParameter("users");
34 if (users==null||users.equals("")) {
35 respondWithErrorSWF(res, "missing 'users' parameter");
36 return;
37 }
38
39 ConnectionGroup group = app.getConnectionGroup();
40 StringBuffer buf = new StringBuffer ("<list>");
41 Set set = group.list(users);
42 Iterator iter = set.iterator();
43 while (iter.hasNext()) {
44 buf.append("<user name=\"")
45 .append((String )iter.next())
46 .append("\" />");
47 }
48 buf.append("</list>");
49
50 mLogger.debug(buf.toString());
51
52 String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
53 "<!DOCTYPE laszlo-data>" +
54 "<resultset s=\"" + serial + "\">"
55 + buf.toString()
56 + "</resultset>";
57
58 res.setContentType(MimeType.SWF);
59
60 ServletOutputStream sos = res.getOutputStream();
61 try {
62 InputStream swfbytes = DataCompiler.compile(xml, mSWFVersionNum);
63 FileUtils.sendToStream(swfbytes, sos);
64 sos.flush();
65
66 } catch (FileUtils.StreamWritingException e) {
67 mLogger.warn("StreamWritingException while sending list response: " + e.getMessage());
68 } catch (DataCompilerException e) {
69 respondWithExceptionSWF(res, e);
70 return;
71 } finally {
72 FileUtils.close(sos);
73 }
74 }
75 }
76 |
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