Fix #158 - Don't encode empty tags

hapi-fhir-base/src/main/java/ca/uhn/fhir/model/api/Tag.java

@@ -138,9 +138,12 @@ public class Tag extends BaseElement implements IElement {
 		return result;
 	}
 
+	/**
+	 * Returns <code>true</code> if either scheme or term is populated.
+	 */
 	@Override
 	public boolean isEmpty() {
-		return StringUtils.isBlank(myLabel) && StringUtils.isBlank(myScheme) && StringUtils.isBlank(myTerm);
+		return StringUtils.isBlank(myScheme) && StringUtils.isBlank(myTerm);
 	}
 
 	/**

hapi-fhir-base/src/main/java/ca/uhn/fhir/model/api/TagList.java

@@ -191,7 +191,12 @@ public class TagList implements Set<Tag>, Serializable, IBase {
 
 	@Override
 	public boolean isEmpty() {
-		return myTagSet.isEmpty();
+		for (Tag next : myTagSet) {
+			if (next.isEmpty() == false) {
+				return false;
+			}
+		}
+		return true;
 	}
 
 	@Override

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

@@ -754,6 +754,9 @@ public class JsonParser extends BaseParser implements IParser {
 				if (tags != null && tags.isEmpty() == false) {
 					theEventWriter.writeStartArray("tag");
 					for (Tag tag : tags) {
+						if (tag.isEmpty()) {
+							continue;
+						}
 						theEventWriter.writeStartObject();
 						writeOptionalTagWithTextNode(theEventWriter, "system", tag.getScheme());
 						writeOptionalTagWithTextNode(theEventWriter, "code", tag.getTerm());

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

@@ -820,6 +820,9 @@ public class XmlParser extends BaseParser implements IParser {
 					}
 					if (tags != null) {
 						for (Tag tag : tags) {
+							if (tag.isEmpty()) {
+								continue;
+							}
 							theEventWriter.writeStartElement("tag");
 							writeOptionalTagWithValue(theEventWriter, "system", tag.getScheme());
 							writeOptionalTagWithValue(theEventWriter, "code", tag.getTerm());

hapi-fhir-structures-dstu2/pom.xml

@@ -36,6 +36,12 @@
 			<artifactId>junit</artifactId>
 			<version>${junit_version}</version>
 			<scope>test</scope>
+			<exclusions>
+				<exclusion>
+					<artifactId>hamcrest-core</artifactId>
+					<groupId>org.hamcrest</groupId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>xmlunit</groupId>

hapi-fhir-structures-dstu2/src/test/java/ca/uhn/fhir/parser/XmlParserDstu2Test.java

@@ -92,31 +92,7 @@ public class XmlParserDstu2Test {
 		assertEquals(1, b.getEntries().size());
 
 		Binary bin = (Binary) b.getEntries().get(0).getResource();
-		assertArrayEquals(new byte[] {1,2,3,4}, bin.getContent());
+		assertArrayEquals(new byte[] { 1, 2, 3, 4 }, bin.getContent());
-		
-	}
-
-	@Test
-	public void testParseMetaUpdatedDate() {
-		//@formatter:off
-		String input = "<Bundle xmlns=\"http://hl7.org/fhir\">\n" + 
-				"   <id value=\"e2ee823b-ee4d-472d-b79d-495c23f16b99\"/>\n" + 
-				"   <meta>\n" + 
-				"      <lastUpdated value=\"2015-06-22T15:48:57.554-04:00\"/>\n" + 
-				"   </meta>\n" + 
-				"   <type value=\"searchset\"/>\n" + 
-				"   <base value=\"http://localhost:58109/fhir/context\"/>\n" + 
-				"   <total value=\"0\"/>\n" + 
-				"   <link>\n" + 
-				"      <relation value=\"self\"/>\n" + 
-				"      <url value=\"http://localhost:58109/fhir/context/Patient?_pretty=true\"/>\n" + 
-				"   </link>\n" + 
-				"</Bundle>";
-		//@formatter:on
-		ca.uhn.fhir.model.dstu2.resource.Bundle b = ourCtx.newXmlParser().parseResource(ca.uhn.fhir.model.dstu2.resource.Bundle.class, input);
-		
-		InstantDt updated = ResourceMetadataKeyEnum.UPDATED.get(b);
-		assertEquals("2015-06-22T15:48:57.554-04:00", updated.getValueAsString());
 
 	}
 
@@ -137,7 +113,7 @@ public class XmlParserDstu2Test {
 
 		List<ExtensionDt> exts = p.getUndeclaredExtensionsByUrl("urn:foo");
 		assertEquals(1, exts.size());
-		ResourceReferenceDt rr = (ResourceReferenceDt)exts.get(0).getValue();
+		ResourceReferenceDt rr = (ResourceReferenceDt) exts.get(0).getValue();
 		o = (Organization) rr.getResource();
 		assertEquals("ORG", o.getName());
 	}
@@ -156,9 +132,6 @@ public class XmlParserDstu2Test {
 		assertThat(str, containsString("<length><value value=\"123\"/><units value=\"day\"/></length>"));
 	}
 
-
-	
-	
 	@Test
 	public void testEncodeAndParseBundleWithoutResourceIds() {
 		Organization org = new Organization();
@@ -173,42 +146,6 @@ public class XmlParserDstu2Test {
 		assertTrue(parsed.getEntries().get(0).getResource().getId().isEmpty());
 	}
 
-	public static void main(String[] args) {
-		IGenericClient c = ourCtx.newRestfulGenericClient("http://fhir-dev.healthintersections.com.au/open");
-//		c.registerInterceptor(new LoggingInterceptor(true));
-		c.read().resource("Patient").withId("324").execute();
-	}
-	
-	@Test
-	public void testEncodeBundleWithContained() {
-		DiagnosticReport rpt = new DiagnosticReport();
-		rpt.addResult().setResource(new Observation().setCode(new CodeableConceptDt().setText("Sharp1")).setId("#1"));
-		rpt.addResult().setResource(new Observation().setCode(new CodeableConceptDt().setText("Uuid1")).setId("urn:uuid:UUID1"));
-		
-		ca.uhn.fhir.model.dstu2.resource.Bundle b = new ca.uhn.fhir.model.dstu2.resource.Bundle();
-		b.addEntry().setResource(rpt);
-		
-		String encoded = ourCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(b);
-		ourLog.info(encoded);
-		
-		assertThat(encoded, stringContainsInOrder(
-				"<DiagnosticReport",
-				"<contained",
-				"<Observation",
-				"<text value=\"Sharp1\"",
-				"</DiagnosticReport"
-				));
-		assertThat(encoded, not(stringContainsInOrder(
-				"<DiagnosticReport",
-				"<contained",
-				"<Observation",
-				"<contained",
-				"<Observation",
-				"</DiagnosticReport"
-				)));
-	}
-	
-	
 	@Test
 	public void testEncodeAndParseContained() {
 		IParser xmlParser = ourCtx.newXmlParser().setPrettyPrint(true);
@@ -260,7 +197,7 @@ public class XmlParserDstu2Test {
 
 		// And re-encode once more, with the references cleared
 		patient.getContained().getContainedResources().clear();
-		patient.getManagingOrganization().setReference((String)null);
+		patient.getManagingOrganization().setReference((String) null);
 		encoded = xmlParser.encodeResourceToString(patient);
 		ourLog.info(encoded);
 		assertThat(encoded, stringContainsInOrder(Arrays.asList("<contained>", "<Organization ", "<id value=\"1\"/>", "</Organization", "</contained>", "<reference value=\"#1\"/>")));
@@ -269,7 +206,7 @@ public class XmlParserDstu2Test {
 
 		// And re-encode once more, with the references cleared and a manually set local ID
 		patient.getContained().getContainedResources().clear();
-		patient.getManagingOrganization().setReference((String)null);
+		patient.getManagingOrganization().setReference((String) null);
 		patient.getManagingOrganization().getResource().setId(("#333"));
 		encoded = xmlParser.encodeResourceToString(patient);
 		ourLog.info(encoded);
@@ -278,7 +215,6 @@ public class XmlParserDstu2Test {
 
 	}
 
-	
 	@Test
 	public void testEncodeAndParseExtensionOnResourceReference() {
 		DataElement de = new DataElement();
@@ -298,13 +234,12 @@ public class XmlParserDstu2Test {
 
 		List<ExtensionDt> exts = b.getUndeclaredExtensionsByUrl("urn:foo");
 		assertEquals(1, exts.size());
-		ResourceReferenceDt rr = (ResourceReferenceDt)exts.get(0).getValue();
+		ResourceReferenceDt rr = (ResourceReferenceDt) exts.get(0).getValue();
 		o = (Organization) rr.getResource();
 		assertEquals("ORG", o.getName());
 
 	}
 
-
 	@Test
 	public void testEncodeAndParseExtensions() throws Exception {
 
@@ -348,9 +283,7 @@ public class XmlParserDstu2Test {
 		String enc = ourCtx.newXmlParser().encodeResourceToString(patient);
 		assertThat(enc, containsString("<Patient xmlns=\"http://hl7.org/fhir\"><extension url=\"http://example.com/extensions#someext\"><valueDateTime value=\"2011-01-02T11:13:15\"/></extension>"));
 		assertThat(enc, containsString("<modifierExtension url=\"http://example.com/extensions#modext\"><valueDate value=\"1995-01-02\"/></modifierExtension>"));
-		assertThat(
+		assertThat(enc, containsString("<extension url=\"http://example.com#parent\"><extension url=\"http://example.com#child\"><valueString value=\"value1\"/></extension><extension url=\"http://example.com#child\"><valueString value=\"value2\"/></extension></extension>"));
-				enc,
-				containsString("<extension url=\"http://example.com#parent\"><extension url=\"http://example.com#child\"><valueString value=\"value1\"/></extension><extension url=\"http://example.com#child\"><valueString value=\"value2\"/></extension></extension>"));
 		assertThat(enc, containsString("<given value=\"Joe\"><extension url=\"http://examples.com#givenext\"><valueString value=\"given\"/></extension></given>"));
 		assertThat(enc, containsString("<given value=\"Shmoe\"><extension url=\"http://examples.com#givenext_parent\"><extension url=\"http://examples.com#givenext_child\"><valueString value=\"CHILD\"/></extension></extension></given>"));
 
@@ -437,7 +370,7 @@ public class XmlParserDstu2Test {
 		Patient parsed = ourCtx.newXmlParser().parseResource(Patient.class, enc);
 		List<IdDt> gotLabels = ResourceMetadataKeyEnum.PROFILES.get(parsed);
 
-		assertEquals(2,gotLabels.size());
+		assertEquals(2, gotLabels.size());
 
 		IdDt label = (IdDt) gotLabels.get(0);
 		assertEquals("http://foo/Profile1", label.getValue());
@@ -451,7 +384,6 @@ public class XmlParserDstu2Test {
 		assertEquals(new Tag("scheme2", "term2", "label2"), tagList.get(1));
 	}
 
-	
 	@Test
 	public void testEncodeAndParseMetaProfiles() {
 		Patient p = new Patient();
@@ -539,7 +471,7 @@ public class XmlParserDstu2Test {
 		Patient parsed = ourCtx.newXmlParser().parseResource(Patient.class, enc);
 		List<BaseCodingDt> gotLabels = ResourceMetadataKeyEnum.SECURITY_LABELS.get(parsed);
 
-		assertEquals(2,gotLabels.size());
+		assertEquals(2, gotLabels.size());
 
 		CodingDt label = (CodingDt) gotLabels.get(0);
 		assertEquals("SYSTEM1", label.getSystem());
@@ -609,7 +541,7 @@ public class XmlParserDstu2Test {
 	@Test
 	public void testEncodeBinaryWithNoContentType() {
 		Binary b = new Binary();
-		b.setContent(new byte[] {1,2,3,4});
+		b.setContent(new byte[] { 1, 2, 3, 4 });
 
 		String output = ourCtx.newXmlParser().encodeResourceToString(b);
 		ourLog.info(output);
@@ -692,7 +624,6 @@ public class XmlParserDstu2Test {
 		assertThat(encoded, stringContainsInOrder("<Bundle", "<base value=\"urn:uuid:\"/>", "<entry>", "<Patient", "<id value="));
 	}
 
-	
 	@Test
 	public void testEncodeBundleOldStyleContainingResourceWithUuidBaseBundleBaseIsSetDifferently() {
 		Patient p = new Patient();
@@ -708,6 +639,22 @@ public class XmlParserDstu2Test {
 		assertThat(encoded, stringContainsInOrder("<Bundle", "<base value=\"urn:oid:\"/>", "<entry>", "<base value=\"urn:uuid:\"/>", "<Patient", "<id value="));
 	}
 
+	@Test
+	public void testEncodeBundleWithContained() {
+		DiagnosticReport rpt = new DiagnosticReport();
+		rpt.addResult().setResource(new Observation().setCode(new CodeableConceptDt().setText("Sharp1")).setId("#1"));
+		rpt.addResult().setResource(new Observation().setCode(new CodeableConceptDt().setText("Uuid1")).setId("urn:uuid:UUID1"));
+
+		ca.uhn.fhir.model.dstu2.resource.Bundle b = new ca.uhn.fhir.model.dstu2.resource.Bundle();
+		b.addEntry().setResource(rpt);
+
+		String encoded = ourCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(b);
+		ourLog.info(encoded);
+
+		assertThat(encoded, stringContainsInOrder("<DiagnosticReport", "<contained", "<Observation", "<text value=\"Sharp1\"", "</DiagnosticReport"));
+		assertThat(encoded, not(stringContainsInOrder("<DiagnosticReport", "<contained", "<Observation", "<contained", "<Observation", "</DiagnosticReport")));
+	}
+
 	/**
 	 * See #113
 	 */
@@ -738,33 +685,15 @@ public class XmlParserDstu2Test {
 		String encoded = p.encodeResourceToString(medicationPrescript);
 		ourLog.info(encoded);
 
-		//@formatter:on
+		// @formatter:on
-		assertThat(encoded, stringContainsInOrder(
+		assertThat(
-			"<MedicationPrescription xmlns=\"http://hl7.org/fhir\">",
+				encoded,
-			"<contained>", 
+				stringContainsInOrder("<MedicationPrescription xmlns=\"http://hl7.org/fhir\">", "<contained>", "<Medication xmlns=\"http://hl7.org/fhir\">", "<id value=\"123\"/>", "<code>", "<coding>", "<system value=\"urn:sys\"/>", "<code value=\"code1\"/>", "</coding>", "</code>", "</Medication>",
-			"<Medication xmlns=\"http://hl7.org/fhir\">", 
+						"</contained>", "<medication>", "<reference value=\"#123\"/>", "<display value=\"MedRef\"/>", "</medication>", "</MedicationPrescription>"));
-			"<id value=\"123\"/>", 
-			"<code>", 
-			"<coding>", 
-			"<system value=\"urn:sys\"/>", 
-			"<code value=\"code1\"/>", 
-			"</coding>", 
-			"</code>", 
-			"</Medication>", 
-			"</contained>", 
-			"<medication>", 
-			"<reference value=\"#123\"/>", 
-			"<display value=\"MedRef\"/>", 
-			"</medication>", 
-			"</MedicationPrescription>"));
 		//@formatter:off
 
 	}
 	
-	
-
-
-
 	/**
 	 * See #113
 	 */
@@ -792,27 +721,14 @@ public class XmlParserDstu2Test {
 		ourLog.info(encoded);
 		
 		//@formatter:on
-		assertThat(encoded, stringContainsInOrder(
+		assertThat(
-			"<MedicationPrescription xmlns=\"http://hl7.org/fhir\">",
+				encoded,
-			"<contained>", 
+				stringContainsInOrder("<MedicationPrescription xmlns=\"http://hl7.org/fhir\">", "<contained>", "<Medication xmlns=\"http://hl7.org/fhir\">", "<id value=\"1\"/>", "<code>", "<coding>", "<system value=\"urn:sys\"/>", "<code value=\"code1\"/>", "</coding>", "</code>", "</Medication>",
-			"<Medication xmlns=\"http://hl7.org/fhir\">", 
+						"</contained>", "<medication>", "<reference value=\"#1\"/>", "<display value=\"MedRef\"/>", "</medication>", "</MedicationPrescription>"));
-			"<id value=\"1\"/>", 
-			"<code>", 
-			"<coding>", 
-			"<system value=\"urn:sys\"/>", 
-			"<code value=\"code1\"/>", 
-			"</coding>", 
-			"</code>", 
-			"</Medication>", 
-			"</contained>", 
-			"<medication>", 
-			"<reference value=\"#1\"/>", 
-			"<display value=\"MedRef\"/>", 
-			"</medication>", 
-			"</MedicationPrescription>"));
 		//@formatter:off
 	}
 
+	
 	/**
 	 * See #113
 	 */
@@ -844,29 +760,14 @@ public class XmlParserDstu2Test {
 		ourLog.info(encoded);
 		
 		//@formatter:on
-		assertThat(encoded, stringContainsInOrder(
+		assertThat(
-			"<MedicationPrescription xmlns=\"http://hl7.org/fhir\">",
+				encoded,
-			"<contained>", 
+				stringContainsInOrder("<MedicationPrescription xmlns=\"http://hl7.org/fhir\">", "<contained>", "<Medication xmlns=\"http://hl7.org/fhir\">", "<id value=\"123\"/>", "<code>", "<coding>", "<system value=\"urn:sys\"/>", "<code value=\"code1\"/>", "</coding>", "</code>", "</Medication>",
-			"<Medication xmlns=\"http://hl7.org/fhir\">", 
+						"</contained>", "<medication>", "<reference value=\"#123\"/>", "<display value=\"MedRef\"/>", "</medication>", "</MedicationPrescription>"));
-			"<id value=\"123\"/>", 
-			"<code>", 
-			"<coding>", 
-			"<system value=\"urn:sys\"/>", 
-			"<code value=\"code1\"/>", 
-			"</coding>", 
-			"</code>", 
-			"</Medication>", 
-			"</contained>", 
-			"<medication>", 
-			"<reference value=\"#123\"/>", 
-			"<display value=\"MedRef\"/>", 
-			"</medication>", 
-			"</MedicationPrescription>"));
 		//@formatter:off
 
 	}
 
-	
 	@Test
 	public void testEncodeContainedWithNarrativeIsSuppresed() throws Exception {
 		IParser parser = ourCtx.newXmlParser().setPrettyPrint(true);
@@ -895,6 +796,43 @@ public class XmlParserDstu2Test {
 	}
 
 	
+
+
+
+	/**
+	 * #158
+	 */
+	@Test
+	public void testEncodeEmptyTag() {
+		TagList tagList = new TagList();
+		tagList.addTag(null, null, null);
+		tagList.addTag(null, null, "Label");
+		
+		Patient p = new Patient();
+		ResourceMetadataKeyEnum.TAG_LIST.put(p, tagList);
+		
+		String encoded = ourCtx.newXmlParser().encodeResourceToString(p);
+		assertThat(encoded, not(containsString("tag")));
+	}
+
+	/**
+	 * #158
+	 */
+	@Test
+	public void testEncodeEmptyTag2() {
+		TagList tagList = new TagList();
+		tagList.addTag("scheme", "code", null);
+		tagList.addTag(null, null, "Label");
+		
+		Patient p = new Patient();
+		ResourceMetadataKeyEnum.TAG_LIST.put(p, tagList);
+		
+		String encoded = ourCtx.newXmlParser().encodeResourceToString(p);
+		assertThat(encoded, containsString("tag"));
+		assertThat(encoded, containsString("scheme"));
+		assertThat(encoded, not(containsString("Label")));
+	}
+
 	@Test
 	public void testEncodeExtensionWithResourceContent() {
 		IParser parser = ourCtx.newXmlParser();
@@ -916,6 +854,7 @@ public class XmlParserDstu2Test {
 
 	}
 
+	
 	@Test
 	public void testEncodeNonContained() {
 		// Create an organization
@@ -956,6 +895,7 @@ public class XmlParserDstu2Test {
 		
 	}
 
+
 	@Test
 	public void testMoreExtensions() throws Exception {
 
@@ -1313,7 +1253,7 @@ public class XmlParserDstu2Test {
 		ExtensionDt ext = ref.getUndeclaredExtensions().get(0);
 		assertEquals("http://hl7.org/fhir/StructureDefinition/11179-permitted-value-valueset", ext.getUrl());
 		assertEquals(ResourceReferenceDt.class, ext.getValue().getClass());
-		assertEquals("#2179414-permitted", ((ResourceReferenceDt)ext.getValue()).getReference().getValue());
+		assertEquals("#2179414-permitted", ((ResourceReferenceDt) ext.getValue()).getReference().getValue());
 
 		ourLog.info(ourCtx.newXmlParser().setPrettyPrint(true).encodeResourceToString(de));
 
@@ -1324,25 +1264,6 @@ public class XmlParserDstu2Test {
 		assertEquals(input, output);
 	}
 
-	/**
-	 * See #191
-	 */
-	@Test
-	public void testParseBundleWithLinksOfUnknownRelation() throws Exception {
-		String input =IOUtils.toString(XmlParserDstu2Test.class.getResourceAsStream("/bundle_orion.xml")); 
-		ca.uhn.fhir.model.dstu2.resource.Bundle parsed = ourCtx.newXmlParser().parseResource(ca.uhn.fhir.model.dstu2.resource.Bundle.class, input);
-
-		Link link = parsed.getLink().get(0);
-		assertEquals("just trying add link", link.getRelation());
-		assertEquals("blarion", link.getUrl());
-
-		Entry entry = parsed.getEntry().get(0);
-		link = entry.getLink().get(0);
-		assertEquals("orionhealth.edit", link.getRelation());
-		assertEquals("Observation", link.getUrl());
-	}
-	
-	
 	@Test
 	public void testParseBundleNewWithPlaceholderIds() {
 		//@formatter:off
@@ -1472,7 +1393,6 @@ public class XmlParserDstu2Test {
 		Bundle b = ourCtx.newXmlParser().parseBundle(bundle);
 		assertEquals(1, b.getEntries().size());
 
-
 	}
 
 	@Test
@@ -1513,12 +1433,29 @@ public class XmlParserDstu2Test {
 
 	}
 
-	
 	@Test
 	public void testParseBundleWithBinary() {
 		// TODO: implement this test, make sure we handle ID and meta correctly in Binary
 	}
 
+	/**
+	 * See #191
+	 */
+	@Test
+	public void testParseBundleWithLinksOfUnknownRelation() throws Exception {
+		String input = IOUtils.toString(XmlParserDstu2Test.class.getResourceAsStream("/bundle_orion.xml"));
+		ca.uhn.fhir.model.dstu2.resource.Bundle parsed = ourCtx.newXmlParser().parseResource(ca.uhn.fhir.model.dstu2.resource.Bundle.class, input);
+
+		Link link = parsed.getLink().get(0);
+		assertEquals("just trying add link", link.getRelation());
+		assertEquals("blarion", link.getUrl());
+
+		Entry entry = parsed.getEntry().get(0);
+		link = entry.getLink().get(0);
+		assertEquals("orionhealth.edit", link.getRelation());
+		assertEquals("Observation", link.getUrl());
+	}
+
 	/**
 	 * see #144 and #146
 	 */
@@ -1557,7 +1494,6 @@ public class XmlParserDstu2Test {
 		assertEquals("patient family", p.getNameFirstRep().getFamilyAsSingleString());
 	}
 
-
 	/**
 	 * Thanks to Alexander Kley!
 	 */
@@ -1584,7 +1520,7 @@ public class XmlParserDstu2Test {
 		ca.uhn.fhir.model.dstu2.resource.DocumentManifest actual = ourCtx.newXmlParser().parseResource(ca.uhn.fhir.model.dstu2.resource.DocumentManifest.class, encoded);
 		assertEquals(1, actual.getContained().getContainedResources().size());
 		assertEquals(1, actual.getContent().size());
-		assertNotNull(((ResourceReferenceDt)actual.getContent().get(0).getP()).getResource());
+		assertNotNull(((ResourceReferenceDt) actual.getContent().get(0).getP()).getResource());
 
 	}
 
@@ -1649,6 +1585,30 @@ public class XmlParserDstu2Test {
 
 	}
 
+	@Test
+	public void testParseMetaUpdatedDate() {
+		//@formatter:off
+		String input = "<Bundle xmlns=\"http://hl7.org/fhir\">\n" + 
+				"   <id value=\"e2ee823b-ee4d-472d-b79d-495c23f16b99\"/>\n" + 
+				"   <meta>\n" + 
+				"      <lastUpdated value=\"2015-06-22T15:48:57.554-04:00\"/>\n" + 
+				"   </meta>\n" + 
+				"   <type value=\"searchset\"/>\n" + 
+				"   <base value=\"http://localhost:58109/fhir/context\"/>\n" + 
+				"   <total value=\"0\"/>\n" + 
+				"   <link>\n" + 
+				"      <relation value=\"self\"/>\n" + 
+				"      <url value=\"http://localhost:58109/fhir/context/Patient?_pretty=true\"/>\n" + 
+				"   </link>\n" + 
+				"</Bundle>";
+		//@formatter:on
+		ca.uhn.fhir.model.dstu2.resource.Bundle b = ourCtx.newXmlParser().parseResource(ca.uhn.fhir.model.dstu2.resource.Bundle.class, input);
+
+		InstantDt updated = ResourceMetadataKeyEnum.UPDATED.get(b);
+		assertEquals("2015-06-22T15:48:57.554-04:00", updated.getValueAsString());
+
+	}
+
 	@Test
 	public void testParseNarrative() throws Exception {
 		//@formatter:off
@@ -1689,7 +1649,7 @@ public class XmlParserDstu2Test {
 		String bundleText = xmlParser.encodeResourceToString(bundle);
 		ourLog.info(bundleText);
 
-		ca.uhn.fhir.model.dstu2.resource.Bundle reincarnatedBundle = xmlParser.parseResource (ca.uhn.fhir.model.dstu2.resource.Bundle.class, bundleText);
+		ca.uhn.fhir.model.dstu2.resource.Bundle reincarnatedBundle = xmlParser.parseResource(ca.uhn.fhir.model.dstu2.resource.Bundle.class, bundleText);
 		Patient reincarnatedPatient = reincarnatedBundle.getAllPopulatedChildElementsOfType(Patient.class).get(0);
 
 		assertEquals("Patient", patient.getId().getResourceType());
@@ -1703,6 +1663,10 @@ public class XmlParserDstu2Test {
 		XMLUnit.setIgnoreWhitespace(true);
 	}
 
-	
+	public static void main(String[] args) {
+		IGenericClient c = ourCtx.newRestfulGenericClient("http://fhir-dev.healthintersections.com.au/open");
+		// c.registerInterceptor(new LoggingInterceptor(true));
+		c.read().resource("Patient").withId("324").execute();
+	}
 
 }

hapi-fhir-structures-hl7org-dstu2/src/test/java/ca/uhn/fhir/parser/XmlParserHl7OrgDstu2Test.java

@@ -59,6 +59,8 @@ import org.xml.sax.SAXException;
 
 import ca.uhn.fhir.context.ConfigurationException;
 import ca.uhn.fhir.context.FhirContext;
+import ca.uhn.fhir.model.api.ResourceMetadataKeyEnum;
+import ca.uhn.fhir.model.api.TagList;
 import ca.uhn.fhir.model.base.composite.BaseNarrativeDt;
 import ca.uhn.fhir.narrative.INarrativeGenerator;
 import ca.uhn.fhir.parser.JsonParserHl7OrgTest.MyPatientWithOneDeclaredAddressExtension;
@@ -598,6 +600,27 @@ public class XmlParserHl7OrgDstu2Test {
 
 	}
 
+	/**
+	 * #158
+	 */
+	@Test
+	public void testEncodeEmptyTag() {
+		Patient p = new Patient();
+		p.getMeta().addTag();
+		
+		String encoded = ourCtx.newXmlParser().encodeResourceToString(p);
+		assertThat(encoded, not(containsString("tag")));
+
+		// With tag
+		
+		p = new Patient();
+		p.getMeta().addTag().setSystem("sys").setCode("code");
+		
+		encoded = ourCtx.newXmlParser().encodeResourceToString(p);
+		assertThat(encoded, (containsString("tag")));
+	}
+
+	
 	/**
 	 * Thanks to Alexander Kley!
 	 */

src/changes/changes.xml

@@ -37,6 +37,10 @@
 				into a BaseServerResponseException. This is useful so that servers using ResponseHighlighterInterceptor
 				will highlight exceptions even if they aren't created with an OperationOutcome.
 			</action>
+			<action type="fix" issue="158">
+				XmlParser and JsonParser in DSTU2 mode should not encode empty
+				tags in resource. Thanks to Bill De Beaubien for reporting!
+			</action>
 		</release>
 		<release version="1.1" date="2015-07-13">
 			<action type="add">