[HAPI-devel] HAPI should translate standard escape Sequences

Fabio Daprile Thu, 10 Jan 2013 03:46:13 -0800

Hello,

i have an issue with HAPI.

Consider the following Pipe Delimited Message:

MSH|^~\&|G2|Insiel|RIS|Syncromed|200708150420||ORM^O01|G2070000003306650100|P|2.5|
PID|||100100100||PAZIENTE^TEST1^^^^^L||193004100000|M|||VIA BARTOLI 9^^036023^^^^L~VIA BARTOLI 9^^036023^^^^M|||||||MLMSRG30D10I903B|39461967||||036045|||100
PV1||I|||||M84838^BERETTA^GIACOMO ANDREA^^^^^^^^^^5^&&L|^^^^^^^^^^^^^&&L||SBA681E1||||03|||||2875872|10||||04||||||||||||||||||SBA82|SBA82E01|200708150355|||||0||V|SBA681E1
ORC|NW|2555519||2302760|||^^20^200708150424||200708150419|^DELLEMONACHEA|||||||SBA681E1|BGD12|||SBA681E1
OBR|0|2555519||RX00001|03||||||||A.P.P. ed E.O.:\T\comparsa questa notte di difficoltà \X0d\respiratoria associata a preesistente peso epigastrico. sudorazione non profusa. non febbre. non ortopnea.||||||||||||||^^10^200708150424|||CART

i parse the message first with :

PipeParser hapiPipeParser = new PipeParser();

and then with:

DefaultXMLParser xmlparser = new DefaultXMLParser();

The result i get for the field OBR.13 is the following:

<OBR.13>A.P.P. ed E.O.:&comparsa questa notte di difficoltà \X0d\respiratoria associata a preesistente peso epigastrico. sudorazione non profusa. non febbre. non ortopnea.</OBR.13>
<OBR.27>

The HL7 standard defines the following escape sequences:

Character	Description Conversion
\Cxxyy\	Single-byte character set escape sequence with two hexadecimal values not converted
\E\	Escape character converted to escape character (e.g., ‘\’)
\F\	Field separator converted to field separator character (e.g., ‘\|’)
\H\	Start highlighting not converted
\Mxxyyzz\	Multi-byte character set escape sequence with two or three hexadecimal values (zz is optional) not converted
\N\	Normal text (end highlighting) not converted
\R\	Repetition separator converted to repetition separator character (e.g., ‘~’)
\S\	Component separator converted to component separator character (e.g., ‘^’)
\T\	Subcomponent separator converted to subcomponent separator character (e.g., ‘&’)
\Xdd…\	Hexadecimal data (dd must be hexadecimal characters) converted to the characters identified by each pair of digits
\Zdd…\	Locally defined escape sequence not converted

The \T\ sequence is correctly translated to &
But \X0d\ is not.

I would expect something like this XML i get from another HL7 translation tool:

<OBR.13>A.P.P. ed E.O.:&comparsa questa notte di difficoltà
respiratoria associata a preesistente peso epigastrico. sudorazione non profusa. non febbre. non ortopnea.</OBR.13>

As you can see here the sequence \X0d\ has been replaced by the Carriage Return character as expected.

Actually with HAPI i have to re-parse the XML with a separate tool to replace all the escape sequences.

Is there a standard HAPI parser which does this job correctly?
Is it a problem of configuration?

In case is it possible to plan this Enhancement?

Greetings,
Fabio Daprile

Fabio Daprile

via Galilei, 2
39100 Bolzano (BZ) - Italy
tel. +39.0471065901
fax. +39.0471065919
e-mail fabio.dapr...@syncromed.it

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[HAPI-devel] HAPI should translate standard escape Sequences

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