@Override
public boolean supportsSystem(String system) throws TerminologyServiceException {
if (codeSystems.containsKey(system)) return true;
else if (nonSupportedCodeSystems.contains(system)) return false;
else if (system.startsWith("http://example.org")
|| system.startsWith("http://acme.com")
|| system.startsWith("http://hl7.org/fhir/valueset-")
|| system.startsWith("urn:oid:")) return false;
else {
if (noTerminologyServer) return false;
if (bndCodeSystems == null) {
try {
log("Terminology server: Check for supported code systems for " + system);
bndCodeSystems =
txServer.fetchFeed(
txServer.getAddress()
+ "/CodeSystem?content=not-present&_summary=true&_count=1000");
} catch (Exception e) {
if (canRunWithoutTerminology) {
noTerminologyServer = true;
log("==============!! Running without terminology server !!==============");
return false;
} else throw new TerminologyServiceException(e);
}
}
if (bndCodeSystems != null) {
for (BundleEntryComponent be : bndCodeSystems.getEntry()) {
CodeSystem cs = (CodeSystem) be.getResource();
if (!codeSystems.containsKey(cs.getUrl())) {
codeSystems.put(cs.getUrl(), null);
}
}
}
if (codeSystems.containsKey(system)) return true;
}
nonSupportedCodeSystems.add(system);
return false;
}
public ValueSetExpansionOutcome expandOnServer(ValueSet vs, String fn) throws Exception {
if (noTerminologyServer)
return new ValueSetExpansionOutcome(
"Error expanding ValueSet: running without terminology services",
TerminologyServiceErrorClass.NOSERVICE);
if (expProfile == null) throw new Exception("No ExpansionProfile provided");
try {
Map<String, String> params = new HashMap<String, String>();
params.put("_limit", Integer.toString(expandCodesLimit));
params.put("_incomplete", "true");
log("Terminology Server: $expand on " + getVSSummary(vs));
ValueSet result = txServer.expandValueset(vs, expProfile.setIncludeDefinition(false), params);
return new ValueSetExpansionOutcome(result);
} catch (Exception e) {
return new ValueSetExpansionOutcome(
"Error expanding ValueSet \"" + vs.getUrl() + ": " + e.getMessage(),
TerminologyServiceErrorClass.UNKNOWN);
}
}
private ValidationResult serverValidateCode(Parameters pin, boolean doCache) throws Exception {
if (noTerminologyServer)
return new ValidationResult(null, null, TerminologyServiceErrorClass.NOSERVICE);
String cacheName = doCache ? generateCacheName(pin) : null;
ValidationResult res = loadFromCache(cacheName);
if (res != null) return res;
log("Terminology Server: $validate-code " + describeValidationParameters(pin));
for (ParametersParameterComponent pp : pin.getParameter())
if (pp.getName().equals("profile"))
throw new Error("Can only specify profile in the context");
if (expProfile == null) throw new Exception("No ExpansionProfile provided");
pin.addParameter().setName("profile").setResource(expProfile);
Parameters pout = txServer.operateType(ValueSet.class, "validate-code", pin);
boolean ok = false;
String message = "No Message returned";
String display = null;
TerminologyServiceErrorClass err = TerminologyServiceErrorClass.UNKNOWN;
for (ParametersParameterComponent p : pout.getParameter()) {
if (p.getName().equals("result")) ok = ((BooleanType) p.getValue()).getValue().booleanValue();
else if (p.getName().equals("message")) message = ((StringType) p.getValue()).getValue();
else if (p.getName().equals("display")) display = ((StringType) p.getValue()).getValue();
else if (p.getName().equals("cause")) {
try {
IssueType it = IssueType.fromCode(((StringType) p.getValue()).getValue());
if (it == IssueType.UNKNOWN) err = TerminologyServiceErrorClass.UNKNOWN;
else if (it == IssueType.NOTSUPPORTED)
err = TerminologyServiceErrorClass.VALUESET_UNSUPPORTED;
} catch (FHIRException e) {
}
}
}
if (!ok) res = new ValidationResult(IssueSeverity.ERROR, message, err);
else if (display != null)
res = new ValidationResult(new ConceptDefinitionComponent().setDisplay(display));
else res = new ValidationResult(null);
saveToCache(res, cacheName);
return res;
}
