001package org.hl7.fhir.convertors.misc;
002
003import java.io.IOException;
004
005import org.hl7.fhir.exceptions.FHIRException;
006import org.hl7.fhir.r5.context.IWorkerContext;
007import org.hl7.fhir.r5.context.SimpleWorkerContext;
008import org.hl7.fhir.r5.model.ValueSet;
009import org.hl7.fhir.r5.model.ValueSet.ConceptSetComponent;
010import org.hl7.fhir.utilities.npm.FilesystemPackageCacheManager;
011import org.hl7.fhir.utilities.npm.NpmPackage;
012
013public class OIDBasedValueSetImporter {
014
015  protected IWorkerContext context;
016
017  protected void init() throws FHIRException, IOException {
018    FilesystemPackageCacheManager pcm = new FilesystemPackageCacheManager.Builder().build();
019    NpmPackage npm = pcm.loadPackage("hl7.fhir.r5.core", "5.0.0");
020    SimpleWorkerContext context = new SimpleWorkerContext.SimpleWorkerContextBuilder().withAllowLoadingDuplicates(true).fromPackage(npm);
021    context.loadFromPackage(pcm.loadPackage("hl7.terminology"), null);
022    this.context = context;
023  }
024
025  protected String fixVersionforSystem(String url, String csver) {
026    if ("http://snomed.info/sct".equals(url)) {
027      return "http://snomed.info/sct/731000124108/version/" + csver;
028    }
029    if ("http://loinc.org".equals(url)) {
030      return csver;
031    }
032    if ("http://www.nlm.nih.gov/research/umls/rxnorm".equals(url)) {
033      if (csver.length() == 8) {
034        return csver.substring(4, 6) + csver.substring(6, 8) + csver.substring(0, 4);
035      } else {
036        return csver;
037      }
038
039    }
040    return csver;
041  }
042
043  protected ConceptSetComponent getInclude(ValueSet vs, String url, String csver) {
044    for (ConceptSetComponent t : vs.getCompose().getInclude()) {
045      if (csver == null) {
046        if (t.getSystem().equals(url) && !t.hasVersion()) {
047          return t;
048        }
049      } else {
050        if (t.getSystem().equals(url) && t.hasVersion() && t.getVersion().equals(csver)) {
051          return t;
052        }
053      }
054    }
055    ConceptSetComponent c = vs.getCompose().addInclude();
056    c.setSystem(url);
057    c.setVersion(csver);
058    return c;
059  }
060}