private MessageContext BuildContext()
{
if (_currentIsa == null)
{
throw new Exception("Interchange header is missing.");
}
if (CurrentSegments.Count == 1)
{
var ta1 = CurrentSegments.SingleOrDefault(es => es.Name == "TA1");
if (ta1 != null)
{
return(new MessageContext("TA1", "", "", "X12", _currentIsa.InterchangeSenderID_6,
_currentIsa.SenderIDQualifier_5, _currentIsa.InterchangeReceiverID_8,
_currentIsa.ReceiverIDQualifier_7, RulesAssembly));
}
}
if (_currentGroupHeader == null)
{
throw new Exception("GS was not found.");
}
var ediCompositeDataElementsGs = _currentGroupHeader.Value.GetDataElements(Separators);
if (ediCompositeDataElementsGs.Count() < 8)
{
throw new Exception("GS is invalid. Too little data elements.");
}
var version = ediCompositeDataElementsGs[7];
var st = CurrentSegments.SingleOrDefault(es => es.Name == "ST");
if (st == null)
{
throw new Exception("ST was not found.");
}
var ediCompositeDataElementsSt = st.Value.GetDataElements(Separators);
var tag = ediCompositeDataElementsSt[0];
if (ediCompositeDataElementsSt.Count() == 3)
{
version = ediCompositeDataElementsSt[2];
}
if (ediCompositeDataElementsSt.Count() < 2)
{
throw new Exception("ST is invalid.Too little data elements.");
}
var controlNumber = ediCompositeDataElementsSt[1];
return(new MessageContext(tag, controlNumber, version, "X12", _currentIsa.InterchangeSenderID_6,
_currentIsa.SenderIDQualifier_5, _currentIsa.InterchangeReceiverID_8, _currentIsa.ReceiverIDQualifier_7, RulesAssembly));
}
private MessageContext BuildContext()
{
if (_currentUnb == null)
{
throw new Exception("Interchange header is missing.");
}
var unh = CurrentSegments.SingleOrDefault(es => es.Name == "UNH");
if (unh == null)
{
throw new Exception("UNH was not found.");
}
var ediCompositeDataElements = unh.Value.GetDataElements(Separators);
if (ediCompositeDataElements.Count() < 2)
{
throw new Exception("UNH is invalid. Too little data elements.");
}
var ediDataElements = ediCompositeDataElements[1].GetComponentDataElements(Separators);
if (ediDataElements.Count() < 3)
{
throw new Exception("UNH is invalid. Unable to read message type or version.");
}
var tag = ediDataElements[0];
var version = ediDataElements[1] + ediDataElements[2];
var controlNumber = ediCompositeDataElements[0];
if (ediDataElements.Count() >= 5 && ediDataElements[4].StartsWith("EAN"))
{
version = version + "EAN";
if (version.StartsWith("D01B"))
{
version = version + _currentUnb.SYNTAXIDENTIFIER_1.SyntaxVersionNumber_2;
}
}
return(new MessageContext(tag, controlNumber, version, "EDIFACT",
_currentUnb.INTERCHANGESENDER_2.InterchangeSenderIdentification_1,
_currentUnb.INTERCHANGESENDER_2.IdentificationCodeQualifier_2,
_currentUnb.INTERCHANGERECIPIENT_3.InterchangeRecipientIdentification_1,
_currentUnb.INTERCHANGERECIPIENT_3.IdentificationCodeQualifier_2, RulesAssembly));
}