/// <summary>
/// Submit the document to the government gateway.
/// Returns the Xml from the GatewayServer, or an empty
/// string if nothing to submit.
/// </summary>
public string Submit(string Class,
bool UsesTestGateway,
string DocumentXml)
{
if (DocumentXml != null && DocumentXml != "")
{
GatewayDocument submission = new GatewayDocument(); // The Posting settings must be applied first.
// Assign posting settings.
submission.Url = _submissionUrl;
//... and fill in the fields ...
submission.DocumentType = Class;
submission.UsesTestGateway = UsesTestGateway;
// Stuff the XML into the document
submission.GatewayDoc = DocumentXml;
// Submit the document
XmlDocument returnDoc = GatewayServer.Submit(submission);
// return the generated Xml
return(returnDoc.OuterXml);
}
else
{
// Nothing to do
return("");
}
}
public XmlDocument RequestList(string CorrelationID,
string Class,
bool UsesTestGateway,
string GovTalkUrl)
{
GatewayDocument gwDoc = new GatewayDocument();
gwDoc.CorrelationID = CorrelationID;
gwDoc.UsesTestGateway = UsesTestGateway;
gwDoc.DocumentType = Class;
gwDoc.Url = GovTalkUrl;
return(GatewayServer.RequestList(gwDoc));
}
public string Delete(string CorrelationID,
string Class,
bool UsesTestGateway,
string GovTalkUrl)
{
XmlDocument DeleteResponse;
GatewayDocument gwDoc = new GatewayDocument();
gwDoc.CorrelationID = CorrelationID;
gwDoc.UsesTestGateway = UsesTestGateway;
gwDoc.DocumentType = Class;
gwDoc.Url = GovTalkUrl;
DeleteResponse = GatewayServer.Delete(gwDoc);
return(DeleteResponse.OuterXml);
}
private void PostThread()
{
Trace.WriteLine("Got into Processing Thread " + Thread.CurrentThread.ManagedThreadId);
List <GatewayDocument> gatewayDocList = gatewayDB.GetDocumentsWithStatus(DocumentStatus.NOSTATUS);
while (gatewayDocList.Count > 0)
{
Trace.WriteLine("Documents in Posting Queue");
foreach (GatewayDocument gDoc in gatewayDocList)
{
Trace.WriteLine("About to send Document " + gDoc.SubmissionID);
gatewayDB.SetStatus(gDoc.SubmissionID, DocumentStatus.SUBMITTING);
XmlDocument gtwResponse = GatewayServer.Submit(gDoc);
if (gtwResponse != null)
{
if (gDoc.InsertXmlUpdate(gtwResponse))
{
Trace.WriteLine("XML Response from Gateway for document " + gDoc.SubmissionID +
" was imported sucessfully into GatewayDocument. Writing to Database");
gatewayDB.UpdateDocument(gDoc);
gatewayDB.SetStatus(gDoc.SubmissionID, DocumentStatus.POLLING);
}
else
{
Trace.WriteLine("GatewayDocument " + gDoc.SubmissionID +
" could not be saved to the database");
}
}
else
{
gatewayDB.SetStatus(gDoc.SubmissionID, DocumentStatus.UNKNOWN);
break;
}
}
gatewayDocList = gatewayDB.GetDocumentsWithStatus(DocumentStatus.NOSTATUS);
}
Trace.WriteLine("Posting Queue is empty. Exiting Posting Thread");
}
/// <summary>
/// Provides the meat of the polling mechanism.
/// </summary>
internal static void RunPollingThread(object Parameters)
{
try
{
// Prepare the thread for execution
ICallback callback = ((ThreadParam)Parameters).callback;
GatewayDocument gwDoc = ((ThreadParam)Parameters).document;
if (callback == null)
{
// MAG Removing Event Log Stuff _eventLog.WriteEntry(string.Format("Callback is null"));
return;
}
int interval = ((ThreadParam)Parameters).IntervalSeconds;
// Make sure the thread is always running, occasionally sleeping
XmlDocument returnDoc;
bool threadRunning = true;
do
{
// Check for redirection information
foreach (PollingParameters param in _messages)
{
if (param.Guid == ((ThreadParam)Parameters).Guid)
{
// rather than using the Parameters paramerter, should we be using the param for the test,
// so the thread actually stops?
if (param.Url == "" && param.IntervalSeconds < 0)
{
threadRunning = false;
_messages.Remove(param);
return;
}
// Will redirect to the first message in the queue, then delete it
((ThreadParam)Parameters).document.Url = param.Url;
interval = ((ThreadParam)Parameters).IntervalSeconds;
_messages.Remove(param);
break;
}
}
// Poll...
returnDoc = GatewayServer.Poll(gwDoc);
if (returnDoc == null)
{
}
else
{
// A response has been received, so check the message for any redirection or poll interval changes, and
// implement those changes
XmlNodeList ResponseParams = returnDoc.GetElementsByTagName("ResponseEndPoint");
try
{
// Get the polling interval and set out internal timer, and the interval in the thread parameters
interval = Convert.ToInt32(ResponseParams[0].Attributes["PollInterval"].InnerText);
}
catch (Exception)
{
interval = 60; // the default
}
try
{
// Now redirect as well
((ThreadParam)Parameters).document.Url = ResponseParams[0].InnerText;
}
catch (Exception)
{
// Nothing to do leave it as it is
}
// Invoke the callback
callback.Response(returnDoc.InnerXml);
}
// Pause until the next polling period
Thread.Sleep(interval * 1000);
} while (threadRunning);
}
catch (Exception ex)
{
throw (ex);
}
}
