package example;
import static org.apache.commons.lang3.StringUtils.isNotBlank;
import java.io.File;
import java.io.FileReader;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.io.IOUtils;
import org.hl7.fhir.dstu3.hapi.validation.DefaultProfileValidationSupport;
import org.hl7.fhir.dstu3.hapi.validation.FhirInstanceValidator;
import org.hl7.fhir.dstu3.hapi.validation.PrePopulatedValidationSupport;
import org.hl7.fhir.dstu3.hapi.validation.ValidationSupportChain;
import org.hl7.fhir.dstu3.model.CodeSystem;
import org.hl7.fhir.dstu3.model.StructureDefinition;
import org.hl7.fhir.dstu3.model.ValueSet;
import org.hl7.fhir.instance.model.api.IBaseOperationOutcome;
import org.hl7.fhir.instance.model.api.IBaseResource;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.parser.IParser;
import ca.uhn.fhir.validation.FhirValidator;
import ca.uhn.fhir.validation.ValidationResult;
public class ValidateDirectory {
private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(ValidateDirectory.class);
public static void main(String[] args) throws Exception {
// Load all profiles in this directory
File profileDirectory = new File("/tmp/directory/with/profiles");
// Validate resources in this directory
File resourceDirectory = new File("/tmp/directory/with/resources/to/validate");
FhirContext ctx = FhirContext.forDstu3();
IParser xmlParser = ctx.newXmlParser();
IParser jsonParser = ctx.newJsonParser();
Map<String, StructureDefinition> structureDefinitions = new HashMap<String, StructureDefinition>();
Map<String, CodeSystem> codeSystems = new HashMap<String, CodeSystem>();
Map<String, ValueSet> valueSets = new HashMap<String, ValueSet>();
// Load all profile files
for (File nextFile : profileDirectory.listFiles()) {
IBaseResource parsedRes = null;
if (nextFile.getAbsolutePath().toLowerCase().endsWith(".xml")) {
parsedRes = xmlParser.parseResource(new FileReader(nextFile));
} else if (nextFile.getAbsolutePath().toLowerCase().endsWith(".json")) {
parsedRes = jsonParser.parseResource(new FileReader(nextFile));
} else {
ourLog.info("Ignoring file: {}", nextFile.getName());
}
if (parsedRes instanceof StructureDefinition) {
StructureDefinition res = (StructureDefinition) parsedRes;
if (isNotBlank(res.getUrl())) {
structureDefinitions.put(res.getUrl(), res);
}
} else if (parsedRes instanceof ValueSet) {
ValueSet res = (ValueSet) parsedRes;
if (isNotBlank(res.getUrl())) {
valueSets.put(res.getUrl(), res);
}
} else if (parsedRes instanceof CodeSystem) {
CodeSystem res = (CodeSystem) parsedRes;
if (isNotBlank(res.getUrl())) {
codeSystems.put(res.getUrl(), res);
}
}
}
FhirInstanceValidator instanceValidator = new FhirInstanceValidator();
ValidationSupportChain validationSupportChain = new ValidationSupportChain();
validationSupportChain.addValidationSupport(new DefaultProfileValidationSupport());
validationSupportChain.addValidationSupport(new PrePopulatedValidationSupport(structureDefinitions, valueSets, codeSystems));
instanceValidator.setValidationSupport(validationSupportChain);
FhirValidator val = ctx.newValidator();
val.registerValidatorModule(instanceValidator);
// Loop through the files in the validation directory and validate each one
for (File nextFile : resourceDirectory.listFiles()) {
if (nextFile.getAbsolutePath().toLowerCase().endsWith(".xml")) {
ourLog.info("Going to validate: {}", nextFile.getName());
} else if (nextFile.getAbsolutePath().toLowerCase().endsWith(".json")) {
ourLog.info("Going to validate: {}", nextFile.getName());
} else {
ourLog.info("Ignoring file: {}", nextFile.getName());
continue;
}
String input = IOUtils.toString(new FileReader(nextFile));
ValidationResult result = val.validateWithResult(input);
IBaseOperationOutcome oo = result.toOperationOutcome();
ourLog.info("Result:\n{}", xmlParser.setPrettyPrint(true).encodeResourceToString(oo));
}
}
}