From 4acb10fc3fb5148feb3ca64c9a68d1d6f7f9c56b Mon Sep 17 00:00:00 2001
From: Georgy Litvinov <git@litvinovg.pro>
Date: Wed, 23 Nov 2022 09:38:27 +0100
Subject: [PATCH] remove only langtag literals (#349)

---
 .../vitro/webapp/edit/n3editing/VTwo/ProcessRdfForm.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/n3editing/VTwo/ProcessRdfForm.java b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/n3editing/VTwo/ProcessRdfForm.java
index d254ac43f..8e73da167 100644
--- a/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/n3editing/VTwo/ProcessRdfForm.java
+++ b/api/src/main/java/edu/cornell/mannlib/vitro/webapp/edit/n3editing/VTwo/ProcessRdfForm.java
@@ -50,6 +50,7 @@ public class ProcessRdfForm {
     private EditN3GeneratorVTwo populator;
 
     private Map<String,String> urisForNewResources = null;
+    private static final String langStringDatatypeUri = RDF.dtLangString.getURI();
 //	private VitroRequest _vreq;
    /**
      * Construct the ProcessRdfForm object.
@@ -368,7 +369,8 @@ public class ProcessRdfForm {
 					if (obj.isLiteral()) {
 						Literal lit = obj.asLiteral();
 						String lang = lit.getLanguage();
-						if (! linguisticContext.equals(lang)) {
+						if (langStringDatatypeUri.equals(lit.getDatatypeURI()) &&
+							! linguisticContext.equals(lang)) {
 							//UQAM Remove if linguisticContext != lang of the Literal
 							model.remove(subj, pred, obj);
 						}