Update SBOLData.java

SynBioDex · Mar 22, 2024 · 8e70962 · 8e70962
1 parent 9c51b90
commit 8e70962
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/SBOLCanvasBackend/src/utils/SBOLData.java b/SBOLCanvasBackend/src/utils/SBOLData.java
@@ -175,11 +175,14 @@ public static String[] getRefinement(String parentName){
 			parentName = "NGA (No Glyph Assigned)";
 		}
 		TreeSet<String> refinementNames = new TreeSet<String>();
-		Set<URI> descendants = so.getDescendantURIsOf(roles.getValue(parentName));
-		for(URI uri : descendants) {
-			refinementNames.add(so.getName(uri));
+		if (roles.getValue(parentName) != null) {
+			Set<URI> descendants = so.getDescendantURIsOf(roles.getValue(parentName));
+			for(URI uri : descendants) {
+				refinementNames.add(so.getName(uri));
+			}
 		}
 		return refinementNames.toArray(new String[0]);	
+
 	}
 
 	/**