Java Code Examples for ca.uhn.fhir.parser.IParser#parseResource()

public void beforeProducer(Exchange exchange) {
    final Message in = exchange.getIn();
    String body = in.getBody(String.class);

    if (body != null) {
        List<IBaseResource> resources = new ArrayList<>();
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        try {
            Document doc = dbf.newDocumentBuilder().parse(new ByteArrayInputStream(body.getBytes("UTF-8")));
            Node transactionElement = doc.getFirstChild();
            NodeList childNodes = transactionElement.getChildNodes();
            IParser parser = fhirContext.newXmlParser();
            for (int i = 0; i < childNodes.getLength(); i++) {
                Node resourceNode = childNodes.item(i);
                Document resourceDocument = toDocument(resourceNode, dbf);
                String resourceXml = toXml(resourceDocument);
                IBaseResource resource = parser.parseResource(resourceXml);
                resources.add(resource);
            }
        } catch (SAXException | IOException | ParserConfigurationException | TransformerException e) {
            throw new RuntimeExchangeException("Cannot convert Transaction to a list of resources", exchange, e);
        }

        in.setHeader("CamelFhir.resources", resources);
    }
}
 

private static void load(PrePopulatedValidationSupport support,
    IParser jsonParser,
    String resource) {

  try (InputStream input = UsCoreStu3ProfileProvider.class
      .getClassLoader()
      .getResourceAsStream(resource)) {

    StructureDefinition definition = (StructureDefinition)
        jsonParser.parseResource(new InputStreamReader(input));

    support.addStructureDefinition(definition);

  } catch (IOException exception) {

    throw new RuntimeException(exception);
  }
}
 

@Benchmark
public void benchmarkHAPIJsonParserValidatorGenerator(FHIRParserValidatorGeneratorBenchmarkState state) throws Exception {
    IParser parser = state.context.newJsonParser();
    IBaseResource resource = parser.parseResource(new StringReader(FHIRParserValidatorGeneratorBenchmarkState.JSON_SPEC_EXAMPLE));
    state.fhirValidator.validateWithResult(resource);
    parser.encodeResourceToWriter(resource, FHIRParserValidatorGeneratorBenchmarkState.NOP_WRITER);
}
 

@Benchmark
public void benchmarkHAPIXMLParserValidatorGenerator(FHIRParserValidatorGeneratorBenchmarkState state) throws Exception {
    IParser parser = state.context.newXmlParser();
    IBaseResource baseResource = parser.parseResource(new StringReader(FHIRParserValidatorGeneratorBenchmarkState.XML_SPEC_EXAMPLE));
    state.fhirValidator.validateWithResult(baseResource);
    parser.encodeResourceToWriter(baseResource, FHIRParserValidatorGeneratorBenchmarkState.NOP_WRITER);
}
 

public static void main(String[] args) {

      String input =
         "{" +
            "\"resourceType\": \"Patient\"," +
            "\"foo\": \"bar\"" +
            "}";

      FhirContext ctx = FhirContext.forDstu3();
      IParser parser = ctx.newJsonParser();
      parser.setParserErrorHandler(new StrictErrorHandler());
      IBaseResource output = parser.parseResource(input);
   }
 

public static void main(String[] args) {
	String input = "<Encounter xmlns=\"http://hl7.org/fhir\"><AAAA value=\"foo\"/></Encounter>";

	IParser p = FhirContext.forDstu3().newXmlParser();
	
	// Parse with (default) lenient error handler
	p.setParserErrorHandler(new LenientErrorHandler());
	p.parseResource(input);

	// Parse with strict error handler
	p.setParserErrorHandler(new StrictErrorHandler());
	p.parseResource(input);
}
 

private static void load(PrePopulatedValidationSupport support, IParser jsonParser,
    String resource) {

  try (InputStream input = BunsenTestStu3ProfileProvider.class.getClassLoader()
      .getResourceAsStream(resource)) {

    StructureDefinition definition = (StructureDefinition) jsonParser
        .parseResource(new InputStreamReader(input));

    support.addStructureDefinition(definition);

  } catch (IOException exception) {

    throw new RuntimeException(exception);
  }
}
 

@Test
public void testSampledDataExport() throws Exception {

  Person person = new Person(0L);
  person.attributes.put(Person.GENDER, "F");
  person.attributes.put(Person.FIRST_LANGUAGE, "spanish");
  person.attributes.put(Person.RACE, "other");
  person.attributes.put(Person.ETHNICITY, "hispanic");
  person.attributes.put(Person.INCOME, Integer.parseInt(Config
      .get("generate.demographics.socioeconomic.income.poverty")) * 2);
  person.attributes.put(Person.OCCUPATION_LEVEL, 1.0);

  person.history = new LinkedList<>();
  Provider mock = Mockito.mock(Provider.class);
  mock.uuid = "Mock-UUID";
  person.setProvider(EncounterType.AMBULATORY, mock);
  person.setProvider(EncounterType.WELLNESS, mock);
  person.setProvider(EncounterType.EMERGENCY, mock);
  person.setProvider(EncounterType.INPATIENT, mock);

  Long time = System.currentTimeMillis();
  long birthTime = time - Utilities.convertTime("years", 35);
  person.attributes.put(Person.BIRTHDATE, birthTime);

  Payer.loadNoInsurance();
  for (int i = 0; i < person.payerHistory.length; i++) {
    person.setPayerAtAge(i, Payer.noInsurance);
  }
  
  Module module = TestHelper.getFixture("observation.json");
  
  State encounter = module.getState("SomeEncounter");
  assertTrue(encounter.process(person, time));
  person.history.add(encounter);
  
  State physiology = module.getState("Simulate_CVS");
  assertTrue(physiology.process(person, time));
  person.history.add(physiology);
  
  State sampleObs = module.getState("SampledDataObservation");
  assertTrue(sampleObs.process(person, time));
  person.history.add(sampleObs);
  
  FhirContext ctx = FhirContext.forDstu3();
  IParser parser = ctx.newJsonParser().setPrettyPrint(true);
  String fhirJson = FhirStu3.convertToFHIRJson(person, System.currentTimeMillis());
  Bundle bundle = parser.parseResource(Bundle.class, fhirJson);
  
  for (BundleEntryComponent entry : bundle.getEntry()) {
    if (entry.getResource() instanceof Observation) {
      Observation obs = (Observation) entry.getResource();
      assertTrue(obs.getValue() instanceof SampledData);
      SampledData data = (SampledData) obs.getValue();
      assertEquals(10, data.getPeriod().doubleValue(), 0.001); // 0.01s == 10ms
      assertEquals(3, (int) data.getDimensions());
    }
  }
}
 

@Test
public void testObservationAttachment() throws Exception {

  Person person = new Person(0L);
  person.attributes.put(Person.GENDER, "F");
  person.attributes.put(Person.FIRST_LANGUAGE, "spanish");
  person.attributes.put(Person.RACE, "other");
  person.attributes.put(Person.ETHNICITY, "hispanic");
  person.attributes.put(Person.INCOME, Integer.parseInt(Config
      .get("generate.demographics.socioeconomic.income.poverty")) * 2);
  person.attributes.put(Person.OCCUPATION_LEVEL, 1.0);
  person.attributes.put("Pulmonary Resistance", 0.1552);
  person.attributes.put("BMI Multiplier", 0.055);
  person.setVitalSign(VitalSign.BMI, 21.0);

  person.history = new LinkedList<>();
  Provider mock = Mockito.mock(Provider.class);
  mock.uuid = "Mock-UUID";
  person.setProvider(EncounterType.AMBULATORY, mock);
  person.setProvider(EncounterType.WELLNESS, mock);
  person.setProvider(EncounterType.EMERGENCY, mock);
  person.setProvider(EncounterType.INPATIENT, mock);

  Long time = System.currentTimeMillis();
  long birthTime = time - Utilities.convertTime("years", 35);
  person.attributes.put(Person.BIRTHDATE, birthTime);

  Payer.loadNoInsurance();
  for (int i = 0; i < person.payerHistory.length; i++) {
    person.setPayerAtAge(i, Payer.noInsurance);
  }
  
  Module module = TestHelper.getFixture("observation.json");
  
  State physiology = module.getState("Simulate_CVS");
  assertTrue(physiology.process(person, time));
  person.history.add(physiology);
  
  State encounter = module.getState("SomeEncounter");
  assertTrue(encounter.process(person, time));
  person.history.add(encounter);
  
  State chartState = module.getState("ChartObservation");
  assertTrue(chartState.process(person, time));
  person.history.add(chartState);
  
  State urlState = module.getState("UrlObservation");
  assertTrue(urlState.process(person, time));
  person.history.add(urlState);
  
  FhirContext ctx = FhirContext.forDstu3();
  IParser parser = ctx.newJsonParser().setPrettyPrint(true);
  String fhirJson = FhirStu3.convertToFHIRJson(person, System.currentTimeMillis());
  Bundle bundle = parser.parseResource(Bundle.class, fhirJson);
  
  for (BundleEntryComponent entry : bundle.getEntry()) {
    if (entry.getResource() instanceof Media) {
      Media media = (Media) entry.getResource();
      if (media.getContent().getData() != null) {
        assertEquals(400, media.getWidth());
        assertEquals(200, media.getHeight());
        assertEquals("Invasive arterial pressure", media.getReasonCode().get(0).getText());
        assertTrue(Base64.isBase64(media.getContent().getDataElement().getValueAsString()));
      } else if (media.getContent().getUrl() != null) {
        assertEquals("https://example.com/image/12498596132", media.getContent().getUrl());
        assertEquals("en-US", media.getContent().getLanguage());
        assertTrue(media.getContent().getSize() > 0);
      } else {
        fail("Invalid Media element in output JSON");
      }
    }
  }
}
 

@Test
public void testFHIRR4Export() throws Exception {
  TestHelper.loadTestProperties();
  Generator.DEFAULT_STATE = Config.get("test_state.default", "Massachusetts");
  Config.set("exporter.baseDirectory", tempFolder.newFolder().toString());

  FhirContext ctx = FhirContext.forR4();
  IParser parser = ctx.newJsonParser().setPrettyPrint(true);
  ValidationResources validator = new ValidationResources();
  List<String> validationErrors = new ArrayList<String>();

  int numberOfPeople = 10;
  Generator generator = new Generator(numberOfPeople);
  
  generator.options.overflow = false;

  for (int i = 0; i < numberOfPeople; i++) {
    int x = validationErrors.size();
    TestHelper.exportOff();
    Person person = generator.generatePerson(i);
    FhirR4.TRANSACTION_BUNDLE = person.random.nextBoolean();
    FhirR4.USE_US_CORE_IG = person.random.nextBoolean();
    FhirR4.USE_SHR_EXTENSIONS = false;
    String fhirJson = FhirR4.convertToFHIRJson(person, System.currentTimeMillis());
    // Check that the fhirJSON doesn't contain unresolved SNOMED-CT strings
    // (these should have been converted into URIs)
    if (fhirJson.contains("SNOMED-CT")) {
      validationErrors.add(
          "JSON contains unconverted references to 'SNOMED-CT' (should be URIs)");
    }
    // Now validate the resource...
    IBaseResource resource = ctx.newJsonParser().parseResource(fhirJson);
    ValidationResult result = validator.validateR4(resource);
    if (!result.isSuccessful()) {
      // If the validation failed, let's crack open the Bundle and validate
      // each individual entry.resource to get context-sensitive error
      // messages...
      Bundle bundle = parser.parseResource(Bundle.class, fhirJson);
      for (Bundle.BundleEntryComponent entry : bundle.getEntry()) {
        ValidationResult eresult = validator.validateR4(entry.getResource());
        if (!eresult.isSuccessful()) {
          for (SingleValidationMessage emessage : eresult.getMessages()) {
            boolean valid = false;
            if (emessage.getMessage().contains("@ AllergyIntolerance ait-2")) {
              /*
               * The ait-2 invariant:
               * Description:
               * AllergyIntolerance.clinicalStatus SHALL NOT be present
               * if verification Status is entered-in-error
               * Expression:
               * verificationStatus!='entered-in-error' or clinicalStatus.empty()
               */
              valid = true;
            } else if (emessage.getMessage().contains("@ ExplanationOfBenefit dom-3")) {
              /*
               * For some reason, it doesn't like the contained ServiceRequest and contained
               * Coverage resources in the ExplanationOfBenefit, both of which are
               * properly referenced. Running $validate on test servers finds this valid...
               */
              valid = true;
            } else if (emessage.getMessage().contains(
                "per-1: If present, start SHALL have a lower value than end")) {
              /*
               * The per-1 invariant does not account for daylight savings time... so, if the
               * daylight savings switch happens between the start and end, the validation
               * fails, even if it is valid.
               */
              valid = true; // ignore this error
            } else if (emessage.getMessage().contains("[active, inactive, entered-in-error]")
                || emessage.getMessage().contains("MedicationStatusCodes-list")) {
              /*
               * MedicationStatement.status has more legal values than this... including
               * completed and stopped.
               */
              valid = true;
            }
            if (!valid) {
              System.out.println(parser.encodeResourceToString(entry.getResource()));
              System.out.println("ERROR: " + emessage.getMessage());
              validationErrors.add(emessage.getMessage());
            }
          }
        }
      }
    }
    int y = validationErrors.size();
    if (x != y) {
      Exporter.export(person, System.currentTimeMillis());
    }
  }
  assertTrue("Validation of exported FHIR bundle failed: "
      + String.join("|", validationErrors), validationErrors.size() == 0);
}
 

@Test
public void testSampledDataExport() throws Exception {

  Person person = new Person(0L);
  person.attributes.put(Person.GENDER, "F");
  person.attributes.put(Person.FIRST_LANGUAGE, "spanish");
  person.attributes.put(Person.RACE, "other");
  person.attributes.put(Person.ETHNICITY, "hispanic");
  person.attributes.put(Person.INCOME, Integer.parseInt(Config
      .get("generate.demographics.socioeconomic.income.poverty")) * 2);
  person.attributes.put(Person.OCCUPATION_LEVEL, 1.0);

  person.history = new LinkedList<>();
  Provider mock = Mockito.mock(Provider.class);
  mock.uuid = "Mock-UUID";
  person.setProvider(EncounterType.AMBULATORY, mock);
  person.setProvider(EncounterType.WELLNESS, mock);
  person.setProvider(EncounterType.EMERGENCY, mock);
  person.setProvider(EncounterType.INPATIENT, mock);

  Long time = System.currentTimeMillis();
  long birthTime = time - Utilities.convertTime("years", 35);
  person.attributes.put(Person.BIRTHDATE, birthTime);

  Payer.loadNoInsurance();
  for (int i = 0; i < person.payerHistory.length; i++) {
    person.setPayerAtAge(i, Payer.noInsurance);
  }
  
  Module module = TestHelper.getFixture("observation.json");
  
  State encounter = module.getState("SomeEncounter");
  assertTrue(encounter.process(person, time));
  person.history.add(encounter);
  
  State physiology = module.getState("Simulate_CVS");
  assertTrue(physiology.process(person, time));
  person.history.add(physiology);
  
  State sampleObs = module.getState("SampledDataObservation");
  assertTrue(sampleObs.process(person, time));
  person.history.add(sampleObs);
  
  FhirContext ctx = FhirContext.forR4();
  IParser parser = ctx.newJsonParser().setPrettyPrint(true);
  String fhirJson = FhirR4.convertToFHIRJson(person, System.currentTimeMillis());
  Bundle bundle = parser.parseResource(Bundle.class, fhirJson);
  
  for (BundleEntryComponent entry : bundle.getEntry()) {
    if (entry.getResource() instanceof Observation) {
      Observation obs = (Observation) entry.getResource();
      assertTrue(obs.getValue() instanceof SampledData);
      SampledData data = (SampledData) obs.getValue();
      assertEquals(10, data.getPeriod().doubleValue(), 0.001); // 0.01s == 10ms
      assertEquals(3, (int) data.getDimensions());
    }
  }
}
 

@Test
public void testObservationAttachment() throws Exception {

  Person person = new Person(0L);
  person.attributes.put(Person.GENDER, "F");
  person.attributes.put(Person.FIRST_LANGUAGE, "spanish");
  person.attributes.put(Person.RACE, "other");
  person.attributes.put(Person.ETHNICITY, "hispanic");
  person.attributes.put(Person.INCOME, Integer.parseInt(Config
      .get("generate.demographics.socioeconomic.income.poverty")) * 2);
  person.attributes.put(Person.OCCUPATION_LEVEL, 1.0);
  person.attributes.put("Pulmonary Resistance", 0.1552);
  person.attributes.put("BMI Multiplier", 0.055);
  person.setVitalSign(VitalSign.BMI, 21.0);

  person.history = new LinkedList<>();
  Provider mock = Mockito.mock(Provider.class);
  mock.uuid = "Mock-UUID";
  person.setProvider(EncounterType.AMBULATORY, mock);
  person.setProvider(EncounterType.WELLNESS, mock);
  person.setProvider(EncounterType.EMERGENCY, mock);
  person.setProvider(EncounterType.INPATIENT, mock);

  Long time = System.currentTimeMillis();
  long birthTime = time - Utilities.convertTime("years", 35);
  person.attributes.put(Person.BIRTHDATE, birthTime);

  Payer.loadNoInsurance();
  for (int i = 0; i < person.payerHistory.length; i++) {
    person.setPayerAtAge(i, Payer.noInsurance);
  }
  
  Module module = TestHelper.getFixture("observation.json");
  
  State physiology = module.getState("Simulate_CVS");
  assertTrue(physiology.process(person, time));
  person.history.add(physiology);
  
  State encounter = module.getState("SomeEncounter");
  assertTrue(encounter.process(person, time));
  person.history.add(encounter);
  
  State chartState = module.getState("ChartObservation");
  assertTrue(chartState.process(person, time));
  person.history.add(chartState);
  
  State urlState = module.getState("UrlObservation");
  assertTrue(urlState.process(person, time));
  person.history.add(urlState);
  
  FhirContext ctx = FhirContext.forR4();
  IParser parser = ctx.newJsonParser().setPrettyPrint(true);
  String fhirJson = FhirR4.convertToFHIRJson(person, System.currentTimeMillis());
  Bundle bundle = parser.parseResource(Bundle.class, fhirJson);
  
  for (BundleEntryComponent entry : bundle.getEntry()) {
    if (entry.getResource() instanceof Media) {
      Media media = (Media) entry.getResource();
      if (media.getContent().getData() != null) {
        assertEquals(400, media.getWidth());
        assertEquals(200, media.getHeight());
        assertEquals("Invasive arterial pressure", media.getReasonCode().get(0).getText());
        assertTrue(Base64.isBase64(media.getContent().getDataElement().getValueAsString()));
      } else if (media.getContent().getUrl() != null) {
        assertEquals("https://example.com/image/12498596132", media.getContent().getUrl());
        assertEquals("en-US", media.getContent().getLanguage());
        assertTrue(media.getContent().getSize() > 0);
      } else {
        fail("Invalid Media element in output JSON");
      }
    }
  }
}
 

@Test
public void testFHIRDSTU2Export() throws Exception {
  TestHelper.loadTestProperties();
  Generator.DEFAULT_STATE = Config.get("test_state.default", "Massachusetts");
  Config.set("exporter.baseDirectory", tempFolder.newFolder().toString());

  FhirContext ctx = FhirContext.forDstu2();
  IParser parser = ctx.newJsonParser().setPrettyPrint(true);

  FhirValidator validator = ctx.newValidator();
  validator.setValidateAgainstStandardSchema(true);
  validator.setValidateAgainstStandardSchematron(true);

  List<String> validationErrors = new ArrayList<String>();

  int numberOfPeople = 10;
  Generator generator = new Generator(numberOfPeople);
  generator.options.overflow = false;
  for (int i = 0; i < numberOfPeople; i++) {
    int x = validationErrors.size();
    TestHelper.exportOff();
    Person person = generator.generatePerson(i);
    Config.set("exporter.fhir_dstu2.export", "true");
    FhirDstu2.TRANSACTION_BUNDLE = person.random.nextBoolean();
    String fhirJson = FhirDstu2.convertToFHIRJson(person, System.currentTimeMillis());
    // Check that the fhirJSON doesn't contain unresolved SNOMED-CT strings
    // (these should have been converted into URIs)
    if (fhirJson.contains("SNOMED-CT")) {
      validationErrors.add(
          "JSON contains unconverted references to 'SNOMED-CT' (should be URIs)");
    }
    // Now validate the resource...
    IBaseResource resource = ctx.newJsonParser().parseResource(fhirJson);
    ValidationResult result = validator.validateWithResult(resource);
    if (!result.isSuccessful()) {
      // If the validation failed, let's crack open the Bundle and validate
      // each individual entry.resource to get context-sensitive error
      // messages...
      Bundle bundle = parser.parseResource(Bundle.class, fhirJson);
      for (Entry entry : bundle.getEntry()) {
        ValidationResult eresult = validator.validateWithResult(entry.getResource());
        if (!eresult.isSuccessful()) {
          for (SingleValidationMessage emessage : eresult.getMessages()) {
            System.out.println(parser.encodeResourceToString(entry.getResource()));
            System.out.println("ERROR: " + emessage.getMessage());
            validationErrors.add(emessage.getMessage());
          }
        }
        if (entry.getResource() instanceof DiagnosticReport) {
          DiagnosticReport report = (DiagnosticReport) entry.getResource();
          if (report.getPerformer().isEmpty()) {
            validationErrors.add("Performer is a required field on DiagnosticReport!");
          }
        }
      }
    }
    int y = validationErrors.size();
    if (x != y) {
      Exporter.export(person, System.currentTimeMillis());
    }
  }

  assertTrue("Validation of exported FHIR bundle failed: " 
      + String.join("|", validationErrors), validationErrors.size() == 0);
}
 

@Test
public void testSampledDataExport() throws Exception {

  Person person = new Person(0L);
  person.attributes.put(Person.GENDER, "F");
  person.attributes.put(Person.FIRST_LANGUAGE, "spanish");
  person.attributes.put(Person.RACE, "other");
  person.attributes.put(Person.ETHNICITY, "hispanic");
  person.attributes.put(Person.INCOME, Integer.parseInt(Config
      .get("generate.demographics.socioeconomic.income.poverty")) * 2);
  person.attributes.put(Person.OCCUPATION_LEVEL, 1.0);

  person.history = new LinkedList<>();
  Provider mock = Mockito.mock(Provider.class);
  mock.uuid = "Mock-UUID";
  person.setProvider(EncounterType.AMBULATORY, mock);
  person.setProvider(EncounterType.WELLNESS, mock);
  person.setProvider(EncounterType.EMERGENCY, mock);
  person.setProvider(EncounterType.INPATIENT, mock);

  Long time = System.currentTimeMillis();
  long birthTime = time - Utilities.convertTime("years", 35);
  person.attributes.put(Person.BIRTHDATE, birthTime);

  Payer.loadNoInsurance();
  for (int i = 0; i < person.payerHistory.length; i++) {
    person.setPayerAtAge(i, Payer.noInsurance);
  }
  
  Module module = TestHelper.getFixture("observation.json");
  
  State encounter = module.getState("SomeEncounter");
  assertTrue(encounter.process(person, time));
  person.history.add(encounter);
  
  State physiology = module.getState("Simulate_CVS");
  assertTrue(physiology.process(person, time));
  person.history.add(physiology);
  
  State sampleObs = module.getState("SampledDataObservation");
  assertTrue(sampleObs.process(person, time));
  person.history.add(sampleObs);
  
  FhirContext ctx = FhirContext.forDstu2();
  IParser parser = ctx.newJsonParser().setPrettyPrint(true);
  String fhirJson = FhirDstu2.convertToFHIRJson(person, System.currentTimeMillis());
  Bundle bundle = parser.parseResource(Bundle.class, fhirJson);
  
  for (Entry entry : bundle.getEntry()) {
    if (entry.getResource() instanceof Observation) {
      Observation obs = (Observation) entry.getResource();
      assertTrue(obs.getValue() instanceof SampledDataDt);
      SampledDataDt data = (SampledDataDt) obs.getValue();
      assertEquals(10, data.getPeriod().doubleValue(), 0.001); // 0.01s == 10ms
      assertEquals(3, (int) data.getDimensions());
    }
  }
}
 

@Test
public void testObservationAttachment() throws Exception {

  Person person = new Person(0L);
  person.attributes.put(Person.GENDER, "F");
  person.attributes.put(Person.FIRST_LANGUAGE, "spanish");
  person.attributes.put(Person.RACE, "other");
  person.attributes.put(Person.ETHNICITY, "hispanic");
  person.attributes.put(Person.INCOME, Integer.parseInt(Config
      .get("generate.demographics.socioeconomic.income.poverty")) * 2);
  person.attributes.put(Person.OCCUPATION_LEVEL, 1.0);
  person.attributes.put("Pulmonary Resistance", 0.1552);
  person.attributes.put("BMI Multiplier", 0.055);
  person.setVitalSign(VitalSign.BMI, 21.0);

  person.history = new LinkedList<>();
  Provider mock = Mockito.mock(Provider.class);
  mock.uuid = "Mock-UUID";
  person.setProvider(EncounterType.AMBULATORY, mock);
  person.setProvider(EncounterType.WELLNESS, mock);
  person.setProvider(EncounterType.EMERGENCY, mock);
  person.setProvider(EncounterType.INPATIENT, mock);

  Long time = System.currentTimeMillis();
  long birthTime = time - Utilities.convertTime("years", 35);
  person.attributes.put(Person.BIRTHDATE, birthTime);

  Payer.loadNoInsurance();
  for (int i = 0; i < person.payerHistory.length; i++) {
    person.setPayerAtAge(i, Payer.noInsurance);
  }
  
  Module module = TestHelper.getFixture("observation.json");
  
  State physiology = module.getState("Simulate_CVS");
  assertTrue(physiology.process(person, time));
  person.history.add(physiology);
  
  State encounter = module.getState("SomeEncounter");
  assertTrue(encounter.process(person, time));
  person.history.add(encounter);
  
  State chartState = module.getState("ChartObservation");
  assertTrue(chartState.process(person, time));
  person.history.add(chartState);
  
  State urlState = module.getState("UrlObservation");
  assertTrue(urlState.process(person, time));
  person.history.add(urlState);
  
  FhirContext ctx = FhirContext.forDstu2();
  IParser parser = ctx.newJsonParser().setPrettyPrint(true);
  String fhirJson = FhirDstu2.convertToFHIRJson(person, System.currentTimeMillis());
  Bundle bundle = parser.parseResource(Bundle.class, fhirJson);
  
  for (Entry entry : bundle.getEntry()) {
    if (entry.getResource() instanceof Media) {
      Media media = (Media) entry.getResource();
      if (media.getContent().getData() != null) {
        assertEquals(400, (int)media.getWidth());
        assertEquals(200, (int)media.getHeight());
        assertTrue(Base64.isBase64(media.getContent().getDataElement().getValueAsString()));
      } else if (media.getContent().getUrl() != null) {
        assertEquals("https://example.com/image/12498596132", media.getContent().getUrl());
        assertEquals("en-US", media.getContent().getLanguage());
        assertTrue(media.getContent().getSize() > 0);
      } else {
        fail("Invalid Media element in output JSON");
      }
    }
  }
}
 

public static void main(String[] theArgs) {
	
	String resourceBody = "{\"resourceType\":\"Patient\",\"identifier\":[{\"system\":\"http://acme.org/MRNs\",\"value\":\"7000135\"}],\"name\":[{\"family\":[\"Simpson\"],\"given\":[\"Homer\",\"J\"]}]}";

	// Create a context
	FhirContext ctx = FhirContext.forDstu3();
	
	// Create a JSON parser
	IParser parser = ctx.newJsonParser();
	Patient pat = parser.parseResource(Patient.class, resourceBody);
	
	List<Identifier> identifiers = pat.getIdentifier();
	String idSystemString = identifiers.get(0).getSystem();
	String idValueString = identifiers.get(0).getValue();
	
	System.out.println(idSystemString + " " + idValueString);
	
}