protected void EditMessageHeader(IMessage msg)
{
Terser terser = new Terser(msg);
terser.Set("/MSH-3", ConfigurationManager.AppSettings["CommunicationName"]);
terser.Set("/MSH-4", ConfigurationManager.AppSettings["EnvironmentIdentifier"]);
terser.Set("/MSH-5", ServerCommunicationName);
terser.Set("/MSH-6", ServerEnvironment);
}
/// <summary>
/// Create an Ack message based on a received message
/// </summary>
/// <param name="inboundMessage">received message</param>
/// <param name="ackResult">Send AA, AE or AR message.</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 IMessage MakeACK(IMessage inboundMessage, AckTypes ackResult, 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.Replace(".", ""));
Type x = Type.GetType(ackClassType);
if (x != null)
ackMessage = (IMessage)Activator.CreateInstance(x);
else
{
// Fix for V2.2 and V2.1 Since tha ACK message class is missing there in NHapi
if (inboundMessage.Version == "2.1")
ackMessage = (IMessage)new NHapiTools.Base.CustomImplementation.V21.Messages.ACK();
if (inboundMessage.Version == "2.2")
ackMessage = (IMessage)new NHapiTools.Base.CustomImplementation.V22.Messages.ACK();
}
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", appCommunicationName);
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", Enum.GetName(typeof(AckTypes), ackResult));
terser.Set("/MSA-2", Terser.Get(inboundHeader, 10, 0, 1, 1));
// Set error message
if (errorMessage != null)
terser.Set("/ERR-1-1", errorMessage);
return ackMessage;
}
public static IMessage MakeACK(ISegment inboundHeader, string ackCode)
{
if (!inboundHeader.GetStructureName().Equals("MSH"))
throw new NHapi.Base.HL7Exception(
"Need an MSH segment to create a response ACK (got " + inboundHeader.GetStructureName() + ")");
// 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");
}
IMessage ackMessage = new ACK();
// 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));
return ackMessage;
}