Try if hl7Message.getINSURANCE(0).getIN1().isEmpty() works for you.
And, have a look at the Validation framework in HAPI (some examples in
http://hl7api.sourceforge.net/devbyexample.html) - basically you define
your expectations as MessageRules and associate these rules to a
ValidationContext.
cheers
Christian
2013/7/3 Ian Vowles <ian_vow...@health.qld.gov.au>
> When building a transform of an HL7 message where some segment is
> optional, but if it is present lots of fields are to be checked and
> transformed, I like to check for existence of the segment first.
>
> Using HAPI I code the check like this:
>
> if
> (!("IN1".equals(hl7Message.getINSURANCE(0).getIN1().encode()))) {
> hl7In1 = hl7Message.getINSURANCE(0).getIN1();
> .
> .
> Do the get/set/change of various fields of the hl7In1
> .
> .
> }
>
> Is this a good way to check if it's there? It has never looked quite
> right to me, but I haven't figured out another way.
>
> Thanks
> Ian
>
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