From 0062ec47116343f053d506b905717892a33ee8e9 Mon Sep 17 00:00:00 2001
From: ignazio <ignazio.palmisano@gmail.com>
Date: Mon, 17 Jul 2023 00:04:49 +0100
Subject: [PATCH] Fix Shared class expression causes extra triples in output
 #1109

Defer check was on objects but not on lists, causing triple duplication.
---
 ...kNodeIdsAndAnnotationsRoundTripTestCase.java | 17 +++++++++++++++++
 .../rdf/rdfxml/renderer/RDFXMLRenderer.java     | 15 ++++++++++++---
 .../rdf/turtle/renderer/TurtleRenderer.java     |  2 +-
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/contract/src/test/java/org/semanticweb/owlapi/api/test/annotations/BlankNodeIdsAndAnnotationsRoundTripTestCase.java b/contract/src/test/java/org/semanticweb/owlapi/api/test/annotations/BlankNodeIdsAndAnnotationsRoundTripTestCase.java
index 8468d63d07..6b94506858 100644
--- a/contract/src/test/java/org/semanticweb/owlapi/api/test/annotations/BlankNodeIdsAndAnnotationsRoundTripTestCase.java
+++ b/contract/src/test/java/org/semanticweb/owlapi/api/test/annotations/BlankNodeIdsAndAnnotationsRoundTripTestCase.java
@@ -39,6 +39,7 @@
 import org.semanticweb.owlapi.model.OWLClassExpression;
 import org.semanticweb.owlapi.model.OWLDataProperty;
 import org.semanticweb.owlapi.model.OWLDocumentFormat;
+import org.semanticweb.owlapi.model.OWLObjectIntersectionOf;
 import org.semanticweb.owlapi.model.OWLObjectProperty;
 import org.semanticweb.owlapi.model.OWLOntology;
 
@@ -99,6 +100,16 @@ protected OWLOntology blankNodeIdsAndAnnotationsRoundTripTestCase(OWLOntology on
         return ont1;
     }
 
+    protected OWLOntology anonClassAndAnnotationsRoundTripTestCase(OWLOntology ont1) {
+        Set<OWLAnnotation> anns =
+            set(df.getOWLAnnotation(df.getRDFSComment(), df.getOWLLiteral("comment")));
+        OWLClassExpression restrict = df.getOWLObjectSomeValuesFrom(R, B);
+        OWLObjectIntersectionOf intersect = df.getOWLObjectIntersectionOf(C, restrict);
+        ont1.getOWLOntologyManager().addAxiom(ont1, df.getOWLEquivalentClassesAxiom(A, intersect));
+        ont1.getOWLOntologyManager().addAxiom(ont1, df.getOWLSubClassOfAxiom(A, restrict, anns));
+        return ont1;
+    }
+
     @Override
     public boolean equal(OWLOntology ont1, OWLOntology ont2) {
         // Axioms without annotations are lost if identical axioms with
@@ -124,6 +135,12 @@ void testFormat(OWLDocumentFormat format) {
         roundTripOntology(blankNodeIdsAndAnnotationsRoundTripTestCase(createAnon()), format);
     }
 
+    @ParameterizedTest
+    @MethodSource("formats")
+    void testFormat1(OWLDocumentFormat format) {
+        roundTripOntology(anonClassAndAnnotationsRoundTripTestCase(createAnon()), format);
+    }
+
     @Test
     void roundTripRDFXMLAndFunctionalShouldBeSame() {
         OWLOntology o = blankNodeIdsAndAnnotationsRoundTripTestCase(createAnon());
diff --git a/parsers/src/main/java/org/semanticweb/owlapi/rdf/rdfxml/renderer/RDFXMLRenderer.java b/parsers/src/main/java/org/semanticweb/owlapi/rdf/rdfxml/renderer/RDFXMLRenderer.java
index ca1fe1bb83..913f68c9dc 100644
--- a/parsers/src/main/java/org/semanticweb/owlapi/rdf/rdfxml/renderer/RDFXMLRenderer.java
+++ b/parsers/src/main/java/org/semanticweb/owlapi/rdf/rdfxml/renderer/RDFXMLRenderer.java
@@ -89,8 +89,8 @@ public RDFXMLRenderer(@Nonnull OWLOntology ontology, @Nonnull Writer w,
         super(checkNotNull(ontology, "ontology cannot be null"),
             checkNotNull(format, "format cannot be null"));
         this.format = checkNotNull(format, "format cannot be null");
-        explicitXsdString = Boolean
-            .parseBoolean(format.getParameter("force xsd:string on literals", Boolean.FALSE).toString());
+        explicitXsdString = Boolean.parseBoolean(
+            format.getParameter("force xsd:string on literals", Boolean.FALSE).toString());
         qnameManager = new RDFXMLNamespaceManager(ontology, format);
         String defaultNamespace = qnameManager.getDefaultNamespace();
         String base = base(defaultNamespace);
@@ -257,7 +257,16 @@ public void render(@Nonnull RDFResource node, boolean root) throws IOException {
 
     protected void renderList(RDFNode n) throws IOException {
         if (n.isAnonymous()) {
-            render((RDFResourceBlankNode) n, false);
+            if (n.idRequired()) {
+                if (!pending.contains(n)) {
+                    defer(n);
+                }
+                writer.writeStartElement(RDF_DESCRIPTION.getIRI());
+                writer.writeNodeIDAttribute((RDFResourceBlankNode) n);
+                writer.writeEndElement();
+            } else {
+                render((RDFResourceBlankNode) n, false);
+            }
         } else {
             if (n.isLiteral()) {
                 write((RDFLiteral) n);
diff --git a/parsers/src/main/java/org/semanticweb/owlapi/rdf/turtle/renderer/TurtleRenderer.java b/parsers/src/main/java/org/semanticweb/owlapi/rdf/turtle/renderer/TurtleRenderer.java
index b86f7a73ab..df11c0a0af 100644
--- a/parsers/src/main/java/org/semanticweb/owlapi/rdf/turtle/renderer/TurtleRenderer.java
+++ b/parsers/src/main/java/org/semanticweb/owlapi/rdf/turtle/renderer/TurtleRenderer.java
@@ -281,7 +281,7 @@ private void write(@Nonnull RDFResource node) throws IOException {
                 writeSpace();
                 pushTab();
                 for (Iterator<RDFNode> it = list.iterator(); it.hasNext();) {
-                    write(verifyNotNull(it.next()));
+                    renderObject(verifyNotNull(it.next()));
                     if (it.hasNext()) {
                         writeNewLine();
                     }