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Add support for special case codes in v2 (NNnnn)

This commit is contained in:
Grahame Grieve 2023-09-29 13:35:36 +10:00
parent bd52aa5277
commit ed07d18506
1 changed files with 25 additions and 9 deletions
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34
org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/validation/ValueSetValidator.java
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@ -686,6 +686,9 @@ public class ValueSetValidator extends ValueSetProcessBase {
private ValidationResult validateCode(String path, Coding code, CodeSystem cs, CodeableConcept vcc, ValidationProcessInfo info) {
ConceptDefinitionComponent cc = cs.hasUserData("tx.cs.special") ? ((SpecialCodeSystem) cs.getUserData("tx.cs.special")).findConcept(code) : findCodeInConcept(cs.getConcept(), code.getCode(), allAltCodes);
if (cc == null) {
cc = findSpecialConcept(code, cs);
}
if (cc == null) {
if (cs.getContent() == CodeSystemContentMode.FRAGMENT) {
String msg = context.formatMessage(I18nConstants.UNKNOWN_CODE__IN_FRAGMENT, code.getCode(), cs.getVersionedUrl());
@ -759,6 +762,28 @@ public class ValueSetValidator extends ValueSetProcessBase {
}
}
private ConceptDefinitionComponent findSpecialConcept(Coding c, CodeSystem cs) {
// handling weird special cases in v2 code systems
if ("http://terminology.hl7.org/CodeSystem/v2-0203".equals(cs.getUrl())) {
String code = c.getCode();
if (code != null && code.startsWith("NN") && code.length() > 3) {
ConceptDefinitionComponent cd = findCountryCode(code.substring(2));
if (cd != null) {
return new ConceptDefinitionComponent(code).setDisplay("National Identifier for "+cd.getDisplay());
}
}
}
// 0396: HL7nnnn, IBTnnnn, ISOnnnn, X12Dennnn, 99zzz
// 0335: PRNxxx
return null;
}
private ConceptDefinitionComponent findCountryCode(String code) {
ValidationResult vr = context.validateCode(new ValidationOptions(), "urn:iso:std:iso:3166", null, code, null);
return vr == null || !vr.isOk() ? null : new ConceptDefinitionComponent(code).setDisplay(vr.getDisplay()).setDefinition(vr.getDefinition());
}
private IssueSeverity dispWarning() {
return options.isDisplayWarningMode() ? IssueSeverity.WARNING : IssueSeverity.ERROR;
}
@ -811,15 +836,6 @@ public class ValueSetValidator extends ValueSetProcessBase {
return null;
}
private String gen(Coding code) {
if (code.hasSystem()) {
return code.getSystem()+"#"+code.getCode();
} else {
return null;
}
}
private String getValueSetSystemOrNull() throws FHIRException {
if (valueset == null) {
return null;