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· Jun 13

Decoding/Routing the Encoded HL7 Response from SOAP Request

#Encryption #HL7 #SOAP #HealthShare #InterSystems IRIS for Health #Health Connect

I have an application that is requires an Encoded HL7 message sent over SOAP over HTTPS using SSL/TLS... the Response that is return is also encoded, which I know how to Decode but not sure when I Decode the response how to Extract the HL7 message to send back to the router.

How do I capture the Routing Source System and parse the encoded message back into an HL7 format that would show on the trace viewer?

Below is an example...where I get the response and want to send it back to FeederScottRouting as an HL7 message that can be tied to the Parent ID of the sending request message?

Product version: IRIS 2024.1
$ZV: IRIS for UNIX (Red Hat Enterprise Linux 8 for x86-64) 2024.1 (Build 267_2U) Tue Apr 30 2024 16:06:39 EDT [HealthConnect:7.2.0-1.r1]
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Enrico Parisi · Jun 13

What's the datatype of the HL7 message in SendMessageRespose?

I assume that the HL7 message in SendMessageRespose is a %String.

String variable contains the HL7 message, then:

    Set HL7MessageResponse=##class(EnsLib.HL7.Message).ImportFromString(String,.sc)
    ; handle sc error here
    Set DocType=##class(EnsLib.HL7.Schema).ResolveSchemaTypeToDocType(HL7MessageResponse.TypeVersion,HL7MessageResponse.Name)
    Set sc=HL7MessageResponse.PokeDocType(DocType)
    ; handle sc error here
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Enrico Parisi · Jun 14

No, it doesn't.

If the variable String contains a Base 64 encoded HL7 message, then:

    Set HL7MessageResponse=##class(EnsLib.HL7.Message).ImportFromString($system.Encryption.Base64Decode(String),.sc)
    ; handle sc error here
    Set DocType=##class(EnsLib.HL7.Schema).ResolveSchemaTypeToDocType(HL7MessageResponse.TypeVersion,HL7MessageResponse.Name)
    Set sc=HL7MessageResponse.PokeDocType(DocType)
    ; handle sc error here

After that, the variable HL7MessageResponse is an instance (OREF, object reference) of an Ens.HL7.Message with proper DocType, Name, etc. that you can use as HL7 response back to your HL7 BP Router.

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