Fix #207 - Confusing error message parsing invalid contained resources

hapi-fhir-base/src/main/java/ca/uhn/fhir/parser/JsonParser.java

@@ -1123,9 +1123,9 @@ public class JsonParser extends BaseParser implements IParser {
 			JsonObject nextObject = (JsonObject) theJsonVal;
 			boolean preResource = false;
 			if (theState.isPreResource()) {
-				String resType = nextObject.getString("resourceType");
+				String resType = nextObject.getString("resourceType", null);
 				if (isBlank(resType)) {
-					throw new DataFormatException("Missing 'resourceType' from resource");
+					throw new DataFormatException("Missing required element 'resourceType' from JSON resource object, unable to parse");
 				}
 				theState.enteringNewElement(null, resType);
 				preResource = true;

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/method/BaseMethodBinding.java

@@ -328,7 +328,7 @@ public abstract class BaseMethodBinding<T> implements IClientResponseHandler<T>
 	}
 
 	/**
-	 * Subclasses may override this method (but should also call super.{@link #populateActionRequestDetailsForInterceptor(ActionRequestDetails, Object[])) to provide method specifics to the
+	 * Subclasses may override this method (but should also call super.{@link #populateActionRequestDetailsForInterceptor(RequestDetails, ActionRequestDetails, Object[])} to provide method specifics to the
 	 * interceptors.
 	 * 
 	 * @param theRequestDetails

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/server/exceptions/BaseServerResponseException.java

@@ -9,6 +9,8 @@ import java.util.Map;
 
 import org.hl7.fhir.instance.model.api.IBaseOperationOutcome;
 
+import ca.uhn.fhir.rest.server.IResourceProvider;
+
 /*
  * #%L
  * HAPI FHIR - Core Library
@@ -32,6 +34,18 @@ import org.hl7.fhir.instance.model.api.IBaseOperationOutcome;
 /**
  * Base class for RESTful client and server exceptions. RESTful client methods will only throw exceptions which are subclasses of this exception type, and RESTful server methods should also only call
  * subclasses of this exception type.
+ * <p>
+ * HAPI provides a number of subclasses of BaseServerResponseException, and each one corresponds to a specific
+ * HTTP status code. For example, if a {@link IResourceProvider resource provider} method throws 
+ * {@link ResourceNotFoundException}, this is a signal to the server that an <code>HTTP 404</code> should
+ * be returned to the client.
+ * </p>
+ * <p>
+ * <b>See:</b> A complete list of available exceptions is in the <a href="./package-summary.html">package summary</a>.
+ * If an exception doesn't exist for a condition you want to represent, let us know by filing an
+ * <a href="https://github.com/jamesagnew/hapi-fhir/issues">issue in our tracker</a>. You may also
+ * use {@link UnclassifiedServerFailureException} to represent any error code you want.
+ * </p>
  */
 public abstract class BaseServerResponseException extends RuntimeException {
 

hapi-fhir-structures-dstu/src/test/java/ca/uhn/fhir/parser/MyDiagnosticReportWithBoundCodeExtension.java

@@ -17,6 +17,8 @@ import ca.uhn.fhir.util.ElementUtil;
 @ResourceDef(name = "DiagnosticReport")
 public class MyDiagnosticReportWithBoundCodeExtension extends DiagnosticReport {
 
+	private static final long serialVersionUID = 1L;
+
 	public static final String SP_IMAGING_STUDY = "ImagingStudy";
 
 	/**

hapi-fhir-structures-dstu/src/test/java/ca/uhn/fhir/parser/MyOrganization.java

@@ -6,4 +6,6 @@ import ca.uhn.fhir.model.dstu.resource.Organization;
 @ResourceDef()
 public class MyOrganization extends Organization {
 
+	private static final long serialVersionUID = 1L;
+
 }

hapi-fhir-structures-dstu/src/test/java/ca/uhn/fhir/parser/MyPatient.java

@@ -15,6 +15,8 @@ import ca.uhn.fhir.model.primitive.StringDt;
 @ResourceDef()
 public class MyPatient extends Patient {
 
+	private static final long serialVersionUID = 1L;
+
 	@Child(name = "importantDates", max = Child.MAX_UNLIMITED)
 	@Extension(url = "http://example.com/dontuse#importantDates", definedLocally = false, isModifier = true)
 	@Description(shortDefinition = "Some dates of note for the patient")

hapi-fhir-structures-dstu2/src/test/java/ca/uhn/fhir/parser/JsonParserDstu2Test.java

@@ -3,11 +3,7 @@ package ca.uhn.fhir.parser;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.not;
 import static org.hamcrest.Matchers.stringContainsInOrder;
-import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.*;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertThat;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -299,7 +295,6 @@ public class JsonParserDstu2Test {
 
 	}
 
-	
 	/**
 	 * Fixing #89
 	 */
@@ -319,7 +314,6 @@ public class JsonParserDstu2Test {
 		//@formatter:on
 	}
 
-	
 	/**
 	 * #158
 	 */
@@ -444,7 +438,7 @@ public class JsonParserDstu2Test {
 
 		Medication m = (Medication) parsed.getEntries().get(1).getResource();
 		assertEquals("http://example.com/base/Medication/example", m.getId().getValue());
-		assertSame(((ResourceReferenceDt)p.getMedication()).getResource(), m);
+		assertSame(((ResourceReferenceDt) p.getMedication()).getResource(), m);
 
 		String reencoded = ourCtx.newJsonParser().setPrettyPrint(true).encodeBundleToString(parsed);
 		ourLog.info(reencoded);
@@ -474,9 +468,9 @@ public class JsonParserDstu2Test {
 		ca.uhn.fhir.model.dstu2.resource.Bundle parsed = ourCtx.newXmlParser().parseResource(ca.uhn.fhir.model.dstu2.resource.Bundle.class, content);
 
 		MedicationPrescription p = (MedicationPrescription) parsed.getEntry().get(0).getResource();
-		assertEquals("#med", ((ResourceReferenceDt)p.getMedication()).getReference().getValue());
+		assertEquals("#med", ((ResourceReferenceDt) p.getMedication()).getReference().getValue());
 
-		Medication m = (Medication) ((ResourceReferenceDt)p.getMedication()).getResource();
+		Medication m = (Medication) ((ResourceReferenceDt) p.getMedication()).getResource();
 		assertNotNull(m);
 		assertEquals("#med", m.getId().getValue());
 		assertEquals(1, p.getContained().getContainedResources().size());
@@ -514,8 +508,8 @@ public class JsonParserDstu2Test {
 
 		Medication m = (Medication) parsed.getEntry().get(1).getResource();
 		assertEquals("http://example.com/base/Medication/example", m.getId().getValue());
-		assertEquals("Medication/example", ((ResourceReferenceDt)p.getMedication()).getReference().getValue());
+		assertEquals("Medication/example", ((ResourceReferenceDt) p.getMedication()).getReference().getValue());
-		assertSame(((ResourceReferenceDt)p.getMedication()).getResource(), m);
+		assertSame(((ResourceReferenceDt) p.getMedication()).getResource(), m);
 
 		String reencoded = ourCtx.newJsonParser().setPrettyPrint(true).encodeResourceToString(parsed);
 		ourLog.info(reencoded);
@@ -554,8 +548,8 @@ public class JsonParserDstu2Test {
 
 		Medication m = (Medication) parsed.getEntries().get(1).getResource();
 		assertEquals("http://example.com/base/Medication/example", m.getId().getValue());
-		assertEquals("Medication/example", ((ResourceReferenceDt)p.getMedication()).getReference().getValue());
+		assertEquals("Medication/example", ((ResourceReferenceDt) p.getMedication()).getReference().getValue());
-		assertSame(((ResourceReferenceDt)p.getMedication()).getResource(), m);
+		assertSame(((ResourceReferenceDt) p.getMedication()).getResource(), m);
 
 		String reencoded = ourCtx.newJsonParser().setPrettyPrint(true).encodeBundleToString(parsed);
 		ourLog.info(reencoded);
@@ -807,6 +801,22 @@ public class JsonParserDstu2Test {
 		assertNull(ResourceMetadataKeyEnum.PROFILES.get(patient));
 	}
 
+	/**
+	 * See #207
+	 */
+	@Test
+	public void testParseResourceWithInvalidType() {
+		String input = "{" + "\"resourceType\":\"Patient\"," + "\"contained\":[" + "    {" + "       \"rezType\":\"Organization\"" + "    }" + "  ]" + "}";
+
+		IParser jsonParser = ourCtx.newJsonParser().setPrettyPrint(true);
+		try {
+			jsonParser.parseResource(input);
+			fail();
+		} catch (DataFormatException e) {
+			assertEquals("Missing required element 'resourceType' from JSON resource object, unable to parse", e.getMessage());
+		}
+	}
+
 	/**
 	 * See #163
 	 */
@@ -830,7 +840,7 @@ public class JsonParserDstu2Test {
 		String bundleText = jsonParser.encodeResourceToString(bundle);
 		ourLog.info(bundleText);
 
-		ca.uhn.fhir.model.dstu2.resource.Bundle reincarnatedBundle = jsonParser.parseResource (ca.uhn.fhir.model.dstu2.resource.Bundle.class, bundleText);
+		ca.uhn.fhir.model.dstu2.resource.Bundle reincarnatedBundle = jsonParser.parseResource(ca.uhn.fhir.model.dstu2.resource.Bundle.class, bundleText);
 		Patient reincarnatedPatient = (Patient) reincarnatedBundle.getEntry().get(0).getResource();
 
 		assertEquals("Patient", patient.getId().getResourceType());

src/changes/changes.xml

@@ -88,6 +88,11 @@
 				of the appropriate error code for the exception being thrown. Thanks to Nagesh Bashyam 
 				for reporting!
 			</action>
+			<action type="fix" issue="207">
+				Fix issue in JSON parser where invalid contained resources (missing
+				a resourceType element) fail to parse with a confusing NullPointerException.
+				Thanks to GitHub user @hugosoares for reporting!
+			</action>
 		</release>
 		<release version="1.1" date="2015-07-13">
 			<action type="add">