public void TestEnumerators()
{
var segment = sut.GetSegment("MSH");
Assert.AreEqual(3, Terser.numComponents(segment.GetField(9, 0)));
segment.GetField(9, 0).ExtraComponents.GetComponent(0);
Assert.AreEqual(4, Terser.numComponents(segment.GetField(9, 0)));
segment.GetField(9, 0).ExtraComponents.GetComponent(1);
Assert.AreEqual(5, Terser.numComponents(segment.GetField(9, 0)));
segment.GetField(2, 0).ExtraComponents.GetComponent(0);
Assert.AreEqual(2, Terser.numComponents(segment.GetField(2, 0)));
((IPrimitive)((IComposite)segment.GetField(9, 0)).Components[0].ExtraComponents.GetComponent(0).Data).Value = "xxx";
Assert.AreEqual(2, Terser.numSubComponents(segment.GetField(9, 0), 1));
}
/// <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)
{
//this should avoid an unhandled null reference exception in "inboundMessage.Version", because people tend to send the inboudMessage without a check
if (inboundMessage == null)
{
throw new ArgumentNullException("Either process the valid message while retreiving the ack or handle invalid message differently");
}
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("yyyyMMddHHmm"));
terser.Set("/MSH-9", "ACK");
terser.Set("/MSH-9-3", null);
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);
}