From be8276bd4abc941fe6c9f4d0da958ea5afc68603 Mon Sep 17 00:00:00 2001
From: Grahame Grieve <grahameg@gmail.ccom>
Date: Mon, 31 Jul 2023 14:37:51 +1000
Subject: [PATCH] Add rendering for UsageContext

---
 .../main/java/org/hl7/fhir/r5/renderers/DataRenderer.java  | 7 +++++++
 .../org/hl7/fhir/r5/renderers/ProfileDrivenRenderer.java   | 5 ++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/DataRenderer.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/DataRenderer.java
index dc5d52178..88adf4f63 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/DataRenderer.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/DataRenderer.java
@@ -67,6 +67,7 @@ import org.hl7.fhir.r5.model.Timing.EventTiming;
 import org.hl7.fhir.r5.model.Timing.TimingRepeatComponent;
 import org.hl7.fhir.r5.model.Timing.UnitsOfTime;
 import org.hl7.fhir.r5.model.UriType;
+import org.hl7.fhir.r5.model.UsageContext;
 import org.hl7.fhir.r5.model.ValueSet;
 import org.hl7.fhir.r5.model.ValueSet.ConceptReferenceComponent;
 import org.hl7.fhir.r5.model.ValueSet.ConceptReferenceDesignationComponent;
@@ -1517,6 +1518,12 @@ public class DataRenderer extends Renderer implements CodeResolver {
     x.addText(!p.hasEnd() ? "(ongoing)" : displayDateTime(p.getEndElement()));
   }
   
+  public void renderUsageContext(XhtmlNode x, UsageContext u) throws FHIRFormatError, DefinitionException, IOException {
+    renderCoding(x,  u.getCode());
+    x.tx(": ");
+    render(x, u.getValue());    
+  }
+  
   public void renderDataRequirement(XhtmlNode x, DataRequirement dr) throws FHIRFormatError, DefinitionException, IOException {
     XhtmlNode tbl = x.table("grid");
     XhtmlNode tr = tbl.tr();    
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/ProfileDrivenRenderer.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/ProfileDrivenRenderer.java
index b023613dc..8b890e4c9 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/ProfileDrivenRenderer.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/renderers/ProfileDrivenRenderer.java
@@ -485,8 +485,11 @@ public class ProfileDrivenRenderer extends ResourceRenderer {
     } else if (e instanceof Resource) {
       return;
     } else if (e instanceof DataRequirement) {
-      DataRequirement p = (DataRequirement) e;
+      DataRequirement p  = (DataRequirement) e;
       renderDataRequirement(x, p);
+    } else if (e instanceof UsageContext) {
+      UsageContext p  = (UsageContext) e;
+      renderUsageContext(x, p);
     } else if (e instanceof PrimitiveType) {
       x.tx(((PrimitiveType) e).primitiveValue());
     } else if (e instanceof ElementDefinition) {