/// <summary>
/// Create an Ack message based on a received message
/// </summary>
/// <param name="inboundMessage">received message</param>
/// <param name="ackCode">Should be "AE" or "AR", can be "AA".</param>
/// <param name="errorMessage">The reason the message was rejected or an error. If "AA" was supplied as ackCode the errorMessage should be null.</param>
/// <returns>Created ACK message</returns>
public static IMessage MakeACK(IMessage inboundMessage, string ackCode, string errorMessage)
{
IMessage ackMessage = null;
// Get an object from the right ACK class
string ackClassType = string.Format("NHapi.Model.V{0}.Message.ACK, NHapi.Model.V{0}", inboundMessage.Version.Remove(inboundMessage.Version.IndexOf('.'), 1));
Type x = Type.GetType(ackClassType);
ackMessage = (IMessage)Activator.CreateInstance(x);
Terser inboundTerser = new Terser(inboundMessage);
ISegment inboundHeader = null;
inboundHeader = inboundTerser.getSegment("MSH");
// Find the HL7 version of the inbound message:
//
string version = null;
try
{
version = Terser.Get(inboundHeader, 12, 0, 1, 1);
}
catch (NHapi.Base.HL7Exception)
{
// I'm not happy to proceed if we can't identify the inbound
// message version.
throw new NHapi.Base.HL7Exception("Failed to get valid HL7 version from inbound MSH-12-1");
}
// Create a Terser instance for the outbound message (the ACK).
Terser terser = new Terser(ackMessage);
// Populate outbound MSH fields using data from inbound message
ISegment outHeader = (ISegment)terser.getSegment("MSH");
DeepCopy.copy(inboundHeader, outHeader);
// Now set the message type, HL7 version number, acknowledgement code
// and message control ID fields:
string sendingApp = terser.Get("/MSH-3");
string sendingEnv = terser.Get("/MSH-4");
terser.Set("/MSH-3", CommunicationName);
terser.Set("/MSH-4", EnvironmentIdentifier);
terser.Set("/MSH-5", sendingApp);
terser.Set("/MSH-6", sendingEnv);
terser.Set("/MSH-7", DateTime.Now.ToString("yyyyMMddmmhh"));
terser.Set("/MSH-9", "ACK");
terser.Set("/MSH-12", version);
terser.Set("/MSA-1", ackCode == null ? "AA" : ackCode);
terser.Set("/MSA-2", Terser.Get(inboundHeader, 10, 0, 1, 1));
// Set error message
if (errorMessage != null)
{
terser.Set("/ERR-7", errorMessage);
}
return(ackMessage);
}
private void SetACK(AckTypes ackType, String messageString)
{
Terser terser = new Terser(hl7Ack.Message);
ISegment err = terser.getSegment("/ERR(0)");
ISegment criticalSegment = TryToRecoverCriticalDataFromMessage(messageString);
try
{
FillMSHSegment((ISegment)hl7Ack.Message.GetStructure("MSH"), criticalSegment);
if (criticalSegment == null)
{
terser.Set("/MSA-1", Enum.GetName(typeof(AckTypes), ackType));
terser.Set("/MSA-2", "");
}
else
{
terser.Set("/MSA-1", Enum.GetName(typeof(AckTypes), ackType));
terser.Set("/MSA-2", Terser.Get(criticalSegment, 10, 0, 1, 1));
}
}
catch (HL7Exception he)
{
_errorMessage.Append(he.Message);
return; //do not throw exceptions;
}
//terser.Set("ERR(0)-7", _errorMessage);
terser.Set("/ERR(0)-7-1-1", _errorMessage.ToString());
}
/// <summary>
/// Set request message parameters
/// </summary>
protected void SetRequestMessageParams(NHapi.Base.Model.IMessage request)
{
Terser setTerser = new Terser(request);
setTerser.Set("/MSH-7", DateTime.Now.ToString("yyyyMMddHHmmss"));
setTerser.Set("/EVN-2", DateTime.Today.ToString("yyyyMMdd"));
}
/// Create an Ack message based on a received message///
/// received message///
/// Acknowlegde code///
/// Message to be created///
/// Created message
public string MakeACK(string AckHead, string version, string ackCode, IMessage ackMessage)
{
// Create a Terser instance for the outbound message (the ACK).
Terser terser = new Terser(ackMessage);
// Populate outbound MSH fields using data from inbound message
// Now set the message type, HL7 version number, acknowledgement code
// and message control ID fields:
string sendingApp = terser.Get("/MSH-3");
string sendingEnv = terser.Get("/MSH-4");
string CommunicationNameOfThisApplication = string.Empty;
string EnvironmentIdentifierOfThisApplication = string.Empty;
terser.Set("/MSH-3", CommunicationNameOfThisApplication);
terser.Set("/MSH-4", EnvironmentIdentifierOfThisApplication);
terser.Set("/MSH-5", sendingApp);
terser.Set("/MSH-6", sendingEnv);
terser.Set("/MSH-7", DateTime.Now.ToString("yyyyMMddmmhh"));
terser.Set("/MSH-9", "ACK");
terser.Set("/MSH-12", version);
// The ackCode should be "AA" if the message was correctly handled and "AE" if there was an error
terser.Set("/MSA-1", ackCode == null ? "AA" : ackCode);
terser.Set("/MSA-2", AckHead);
return(PipeParser.Encode(ackMessage, new EncodingCharacters('|', '^', '~', '\\', '&')));
}
private void FillMSHSegment(ISegment mshIn, ISegment mshOut)
{
if (mshOut == null)
{
throw new System.Exception("mshout");
}
Guid g = Guid.NewGuid();
Terser.Set(mshIn, 7, 0, 1, 1, DateTime.Now.ToString("yyyyMMddHHmmss"));
Terser.Set(mshIn, 7, 0, 1, 1, DateTime.Now.ToString("yyyyMMddHHmmss"));
if (mshIn == null)
{
Terser.Set(mshIn, 3, 0, 1, 1, "");
Terser.Set(mshIn, 4, 0, 1, 1, "");
Terser.Set(mshIn, 5, 0, 1, 1, "");
Terser.Set(mshIn, 6, 0, 1, 1, "");
Terser.Set(mshIn, 9, 0, 1, 1, "ACK");
}
else
{
Terser.Set(mshIn, 3, 0, 1, 1, Terser.Get(mshIn, 5, 0, 1, 1));
Terser.Set(mshIn, 4, 0, 1, 1, Terser.Get(mshIn, 6, 0, 1, 1));
Terser.Set(mshIn, 5, 0, 1, 1, Terser.Get(mshIn, 3, 0, 1, 1));
Terser.Set(mshIn, 6, 0, 1, 1, Terser.Get(mshIn, 4, 0, 1, 1));
Terser.Set(mshIn, 9, 0, 1, 1, Terser.Get(mshIn, 9, 0, 1, 1));
Terser.Set(mshIn, 9, 0, 2, 1, Terser.Get(mshIn, 9, 0, 2, 1));
}
}