Re: [HAPI-devel] UTF-8 support, how to define and test?

[Rahul S. <rs...@ce...>]

That is a sign of not having the same charset on both ends. 
In the MSH segment, I recall there are some restrictions that require you to stay within ASCII 7 bit. The other segments can be any charset you choose.


On Jan 14, 2014, at 11:27 AM, Tom Wilson <tw...@su...> wrote:

> After some research, I have answered my own question. If no character set is defined in MSH-18, then the default is single byte printable ASCII (decimal 32-127).
>  
> If anyone is interested, I am attaching a test ORU file which includes a full set of UTF-8 characters, above and beyond what is supported. You can trim it to use this in your tests, or test a more extensive UTF-8 support if you like.
>  
> -tom
>  
>  
> From: Tom Wilson [mailto:tw...@su...] 
> Sent: Tuesday, January 14, 2014 10:27 AM
> To: hl7...@li...
> Subject: [HAPI-devel] UTF-8 support, how to define and test?
>  
> Hi.
>  
> I’m in the final testing phase of a HAPI-based application, and I want to define precisely what character encoding it can support. I know the HL7v2 spec defines UTF-8 as the supported character set. However, it looks like it is only supporting a subset of UTF-8. I am testing by ingesting an HL7v2 message in a unit test and serializing to XML. For example, it looks like Simplified Chinese, Vietnamese, Cyrillic, are not supported.
>  
> Sending this in an NTE segment:
> 我能吞下玻璃而不伤身体
>  
> Produces this on the other end:
> ???????????
>  
> So, exactly what UTF-8 characters can I expect to work? I also want to create a unit test with a full range of the supported characters.
>  
> It might be nice to support other languages, but I don’t know if I can expect to receive them from EMR systems.
>  
> Thanks in advance,
>  
> -tom
>  
> <complete-utf8-set.oru>------------------------------------------------------------------------------
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