Thank you all, very helpful.
On Thu, Jan 10, 2013 at 7:55 AM, Laurent Hasson <l...@360fresh.com> wrote:
> This is the kind of code we have been using for that purpose:****
>
> ** **
>
> try****
>
> {****
>
> _PID = new HL7PID((PID)Msg.get("PID"));****
>
> }****
>
> catch (HL7Exception E) { }****
>
> ****
>
> try****
>
> {****
>
> Segment segment = (Segment)Msg.get("PV1");****
>
> if (segment != null)****
>
> _PV = new HL7PV((PV1)segment,
> (PV2)Msg.get("PV2"));****
>
> }****
>
> catch (HL7Exception E) { }****
>
> ****
>
> try****
>
> {****
>
> Structure[] Structs = Msg.getAll("DG1");****
>
> if (Structs != null && Structs.length > 0)****
>
> {****
>
> _DG1 = new HL7DG1[Structs.length];****
>
> for (int i = 0; i < Structs.length; ++i)****
>
> _DG1[i] = new HL7DG1((DG1)Structs[i]);****
>
> }****
>
> }****
>
> catch (HL7Exception E) { }****
>
> ** **
>
> We do a few things:****
>
> **- **We have our own structures to capture the elements of a
> particular message we care about (here, HL7PID, HL7DG1 etc…)****
>
> **- **We have try-catch blocks because HAPI can throw an
> exception if the segment doesn’t exist.****
>
> ** **
>
> This has been working ok for us. ****
>
> ** **
>
> ___________________________________________________________****
>
> Laurent Hasson****
>
> Co-Founder and CTO****
>
> 360Fresh Inc.****
>
> cell: 646.283.2186****
>
> ** **
>
> "Strange women lyin' in ponds distributin' swords is no basis for a system
> of government" - Dennis****
>
> ** **
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> -----Original Message-----
> From: Christian Ohr [mailto:christian....@gmail.com]
> Sent: Thursday, January 10, 2013 2:58 AM
> To: steven touw
> Cc: hl7api-devel@lists.sourceforge.net
> Subject: Re: [HAPI-devel] reading HL7 generically
>
> ** **
>
> Forgot to mention that you currently still need to include the
> hapi-structure jar(s) in your classpath, depending on the HL7****
>
> version(s) you expect. You can also use the CanonicalModelClassFactory
> with your parser, then you only need the latest structure jar.****
>
> In HAPI 2.1 (not released yet), you will be able to omit the structure
> jars completely.****
>
> ** **
>
> Christian****
>
> ** **
>
> 2013/1/10 Christian Ohr <christian....@gmail.com>:****
>
> > In general, you don't have to cast to a specific message structure****
>
> > class: the parser returns a Message object, and you can obtain ****
>
> > segments using message.get("segment-name") , and from a Segment you ****
>
> > can obtain a field using segment.getField(field-number). If that's not *
> ***
>
> > generic enough, take a look at ca.uhn.hl7v2.preparser.PreParser.****
>
> >** **
>
> > cheers****
>
> > Christian****
>
> >** **
>
> > 2013/1/9 steven touw <tou...@gmail.com>:****
>
> >> Hello,****
>
> >> I am new to HL7 as well as it's contents. I hope this question isn't *
> ***
>
> >> too stupid.****
>
> >> I'm trying to read from messages generically - is there any way to ****
>
> >> grab particular segments without having to cast the Message object ****
>
> >> into ADT_A05 for example? I could have various ADT_* and trying to ***
> *
>
> >> find the best way to do this...****
>
> >>** **
>
> >> Thanks,****
>
> >> Steve****
>
> >>** **
>
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> ** **
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