Hi Ian,
Having read over your email again, I realized that the issue you are having
isn't the 2.0 bug, but another thing we have seen a few times in our
various interface conversions. The heart of the issue is this:
ST testExample = new ST(zPack);
testExample.parse("Presenting Problem&C1SC1^Second Component&C2SC1^Third
Component&C3SC1");
The problem here is that ST is a primitive datatype. HL7 allows for extra
custom components to be tacked onto a primitive (which is why
getExtraComponents() exists) but does not allow for extra subcomponents.
Basically that ST does not actually have any place to hold the data "C1SC1"
because HL7 doesn't actually allow it to be there, so it assumes that the
"&" should have been a "^" treats it like one.
Truthfully I don't know that this is the best behaviour for that scenario,
but I also don't know what would be better, since really we're dealing with
graceful error degradation. Comments welcome on that.
Also of note, the "added on components" in an ST are of an undefined data
type since HL7 isn't prescriptive there, so HAPI treats them as composite.
That's why you aren't having any issues with the "C2SC1" part.
Thankfully there is an easy (but hackish) solution here: Don't use ST, but
use something composite instead. In other words, change your custom
structure so that it puts something like CE in place of the ST for the
field with the issues.
Cheers,
James
On Thu, May 2, 2013 at 8:15 PM, Ian Vowles <ian_vow...@health.qld.gov.au>wrote:
> This response about XML from James tweeked my interest in relation to
> the problem I have with the un-escaped delimiters, so I used the code to
> parse the message and look at the XML. The XML looked promising, so I
> created a new terser, and did my tersing tests again. This time they
> worked. Interesting.
>
> So, I think I have a problem with how I built my ZAE segment, and how I
> built my Z-Segment testing message. Code of the ZAE and the Z-PACK are
> below.
>
> Note that I am still able to produce a result that is not ideal, if
> multiple delimiters exist with no data in between, or if there are trailing
> delimiters.
>
> HAPI 2.1 was used for this checking.
>
> Thanks
> Ian
>
> /*
> * To change this template, choose Tools | Templates
> * and open the template in the editor.
> */
> package au.gov.qld.health.sit.hl7;
>
> import ca.uhn.hl7v2.HL7Exception;
> import ca.uhn.hl7v2.model.AbstractSegment;
> import ca.uhn.hl7v2.model.Group;
> import ca.uhn.hl7v2.model.Message;
> import ca.uhn.hl7v2.model.Type;
> import ca.uhn.hl7v2.model.v24.datatype.*;
> import ca.uhn.hl7v2.parser.ModelClassFactory;
>
> /**
> *
> * @author vowlesi
> */
> public class ZAE extends AbstractSegment {
>
> public ZAE(Group parent, ModelClassFactory factory) throws
> HL7Exception {
> super(parent, factory);
> Message message = getMessage();
> Object[] constructorArgs = new Object[]{message};
> Class<? extends Type> type;
> boolean required;
> int maxReps; // only 1 rep
> int maxLength;
> String fieldName;
> // For each in the segment, call this.add()
>
> // ZAE-1-Date Time Seen, TS, O
> type = TS.class;
> required = false;
> maxReps = 1; // only 1 rep
> maxLength = 0;
> fieldName = "Date Time Seen";
> this.add(type, required, maxReps, maxLength, constructorArgs,
> fieldName);
>
> // ZAE-2-Location Group, ST, O
> type = ST.class;
> required = false;
> maxReps = 1; // only 1 rep
> maxLength = 0;
> fieldName = "Location Group";
> this.add(type, required, maxReps, maxLength, constructorArgs,
> fieldName);
>
> // ZAE-3-Arrival Transport Code, ST, O
> type = ST.class;
> required = false;
> maxReps = 1; // only 1 rep
> maxLength = 0;
> fieldName = "Arrival Transport Code";
> this.add(type, required, maxReps, maxLength, constructorArgs,
> fieldName);
>
> // ZAE-4-Ambulance Number, ST, O
> type = ST.class;
> required = false;
> maxReps = 1; // only 1 rep
> maxLength = 0;
> fieldName = "Ambulance Number";
> this.add(type, required, maxReps, maxLength, constructorArgs,
> fieldName);
>
> // ZAE-5-Not Used 1, ST, O
> type = ST.class;
> required = false;
> maxReps = 1; // only 1 rep
> maxLength = 0;
> fieldName = "Not Used 1";
> this.add(type, required, maxReps, maxLength, constructorArgs,
> fieldName);
>
> // ZAE-6-Not Used 2, ST, O
> type = ST.class;
> required = false;
> maxReps = 1; // only 1 rep
> maxLength = 0;
> fieldName = "Not Used 2";
> this.add(type, required, maxReps, maxLength, constructorArgs,
> fieldName);
>
> // ZAE-7-Not Used 3, ST, O
> type = ST.class;
> required = false;
> maxReps = 1; // only 1 rep
> maxLength = 0;
> fieldName = "Not Used 3";
> this.add(type, required, maxReps, maxLength, constructorArgs,
> fieldName);
>
> // ZAE-8-Presenting Problem, ST, O
> type = ST.class;
> required = false;
> maxReps = 1; // only 1 rep
> maxLength = 0;
> fieldName = "Presenting Problem";
> this.add(type, required, maxReps, maxLength, constructorArgs,
> fieldName);
>
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public TS getDateTimeSeen() throws HL7Exception {
> return (TS) super.getField(1, 0); // 1 - field num( numbered from
> 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public TS getZAE1_DateTimeSeen() throws HL7Exception {
> return (TS) super.getField(1,0); // 1 - field num( numbered from 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getLocationGroup() throws HL7Exception {
> return (ST) super.getField(2, 0); // 2 - field num( numbered from
> 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getZAE2_LocationGroup() throws HL7Exception {
> return (ST) super.getField(2,0); // 2 - field num( numbered from 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getArrivalTransportCode() throws HL7Exception {
> return (ST) super.getField(3, 0); // 3 - field num( numbered from
> 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getZAE3_ArrivalTransportCode() throws HL7Exception {
> return (ST) super.getField(3,0); // 3 - field num( numbered from 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getAmbulanceNumber() throws HL7Exception {
> return (ST) super.getField(4, 0); // 4 - field num( numbered from
> 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getZAE4_AmbulanceNumber() throws HL7Exception {
> return (ST) super.getField(4,0); // 4 - field num( numbered from 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getNotUsed1() throws HL7Exception {
> return (ST) super.getField(5, 0); // 5 - field num( numbered from
> 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getZAE5_NotUsed1() throws HL7Exception {
> return (ST) super.getField(5,0); // 5 - field num( numbered from 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getNotUsed2() throws HL7Exception {
> return (ST) super.getField(6, 0); // 6 - field num( numbered from
> 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getZAE6_NotUsed2() throws HL7Exception {
> return (ST) super.getField(6,0); // 6 - field num( numbered from 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getNotUsed3() throws HL7Exception {
> return (ST) super.getField(7, 0); // 7 - field num( numbered from
> 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getZAE7_NotUsed3() throws HL7Exception {
> return (ST) super.getField(7,0); // 7 - field num( numbered from 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getPresentingProblem() throws HL7Exception {
> return (ST) super.getField(8, 0); // 8 - field num( numbered from
> 1)
> }
> /**
> * Create an accessor for each field
> * @return
> * @throws HL7Exception
> */
> public ST getZAE8_PresentingProblem() throws HL7Exception {
> return (ST) super.getField(8,0); // 8 - field num( numbered from 1)
> }
>
> }
>
> /*
> * To change this template, choose Tools | Templates
> * and open the template in the editor.
> */
> package au.gov.qld.health.sit.hl7;
>
> import ca.uhn.hl7v2.HL7Exception;
> import ca.uhn.hl7v2.model.AbstractMessage;
> import ca.uhn.hl7v2.model.v24.segment.EVN;
> import ca.uhn.hl7v2.model.v24.segment.MSH;
> import ca.uhn.hl7v2.parser.ModelClassFactory;
>
> /**
> *
> * @author vowlesi
> */
> public class QH_ZPACK extends AbstractMessage {
>
> public QH_ZPACK(ModelClassFactory factory) throws HL7Exception {
> super(factory);
> Class<MSH> addMsh = MSH.class;
> this.add(addMsh,true,false);
> Class<ZAE> addZae = ZAE.class;
> this.add(addZae, true, false);
> Class<ZAL> addZal = ZAL.class;
> this.add(addZal, true, false);
> Class<ZAP> addZap = ZAP.class;
> this.add(addZap, true, false);
> Class<ZBD> addZbd = ZBD.class;
> this.add(addZbd, true, false);
> Class<ZCD> addZcd = ZCD.class;
> this.add(addZcd, true, false);
> Class<ZEI> addZei = ZEI.class;
> this.add(addZei, true, false);
> Class<ZMR> addZmr = ZMR.class;
> this.add(addZmr, true, false);
> Class<ZMV> addZmv = ZMV.class;
> this.add(addZmv, true, false);
> Class<ZPD> addZpd = ZPD.class;
> this.add(addZpd, true, false);
> Class<ZPX> addZpx = ZPX.class;
> this.add(addZpx, true, false);
> Class<ZRC> addZrc = ZRC.class;
> this.add(addZrc, true, false);
> Class<ZTD> addZtd = ZTD.class;
> this.add(addZtd, true, false);
> Class<ZV1> addZv1 = ZV1.class;
> this.add(addZv1, true, false);
> Class<ZVX> addZvx = ZVX.class;
> this.add(addZvx, true, false);
> Class<ZWL> addZwl = ZWL.class;
> this.add(addZwl, true, false);
> }
>
> public MSH getMSH() throws HL7Exception {
> return (MSH) get("MSH");
> }
>
> public PATIENT getPATIENT() throws HL7Exception {
> return (PATIENT) get ("PATIENT");
> }
>
> public ZAE getZAE() throws HL7Exception {
> return (ZAE) get ("ZAE");
> }
>
> public ZAL getZAL() throws HL7Exception {
> return (ZAL) get ("ZAL");
> }
>
> public ZAP getZAP() throws HL7Exception {
> return (ZAP) get ("ZAP");
> }
>
> public ZBD getZBD() throws HL7Exception {
> return (ZBD) get ("ZBD");
> }
> public ZCD getZCD() throws HL7Exception {
> return (ZCD) get ("ZCD");
> }
>
> public ZEI getZEI() throws HL7Exception {
> return (ZEI) get ("ZEI");
> }
>
> public ZMR getZMR() throws HL7Exception {
> return (ZMR) get ("ZMR");
> }
>
> public ZMV getZMV() throws HL7Exception {
> return (ZMV) get ("ZMV");
> }
>
> public ZPD getZPD() throws HL7Exception {
> return (ZPD) get ("ZPD");
> }
>
> public ZPX getZPX() throws HL7Exception {
> return (ZPX) get ("ZPX");
> }
>
> public ZRC getZRC() throws HL7Exception {
> return (ZRC) get ("ZRC");
> }
>
> public ZTD getZTD() throws HL7Exception {
> return (ZTD) get ("ZTD");
> }
>
> public ZV1 getZV1() throws HL7Exception {
> return (ZV1) get ("ZV1");
> }
>
> public ZVX getZVX() throws HL7Exception {
> return (ZVX) get ("ZVX");
> }
>
> public ZWL getZWL() throws HL7Exception {
> return (ZWL) get ("ZWL");
> }
>
> }
>
>
>
> >>> James Agnew <ja...@jamesagnew.ca> 03/05/13 6:44 >>>
> Hi Ryan,
>
> Converting a message from ER7 (pipes) to XML is quite easy:
>
> Message msg = ctx.getPipeParser().parse(stringEr7Message);
> String stringXmlMessage = ctx.getXmlParser().encode(msg);
>
> Cheers,
> James
>
> On Thu, May 2, 2013 at 1:20 PM, Ternier, Ryan <ryan.tern...@cgi.com>wrote:
>
>> I'm translating a health request from a system into a K22 HL7v2
>> response. I have sample responses from their system, and I'm trying to see
>> if there's a way either through the HAPI tool or through Java code to take
>> the K22 string I have, and turn that into the XML counterpart.****
>>
>> ****
>>
>> Is this possible? I can easily do it with the request.****
>>
>> ****
>>
>> Cheers,****
>>
>> ****
>>
>> Ryan****
>>
>>
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