From ef1d3e33cb34b78edfa87560ddb89034b4cf19ed Mon Sep 17 00:00:00 2001
From: IgorRodchenkov <rodche@gmail.com>
Date: Mon, 13 May 2024 01:21:02 -0400
Subject: [PATCH] Polished #54 fix (just in case the type would be
 null/blank...)

---
 .../main/java/org/biopax/paxtools/io/SimpleIOHandler.java   | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/paxtools-core/src/main/java/org/biopax/paxtools/io/SimpleIOHandler.java b/paxtools-core/src/main/java/org/biopax/paxtools/io/SimpleIOHandler.java
index e87d6e32..27424896 100644
--- a/paxtools-core/src/main/java/org/biopax/paxtools/io/SimpleIOHandler.java
+++ b/paxtools-core/src/main/java/org/biopax/paxtools/io/SimpleIOHandler.java
@@ -666,8 +666,10 @@ private void writeStatementFor(BioPAXElement bean, PropertyEditor editor, Object
 		{
 			String type = findLiteralType(editor);
 			String valString = escapeXml(value.toString());
-			out.write(" rdf:datatype = \""  + xsd + type + "\">" + valString +
-			          "</" + prop + ">");
+			if(StringUtils.isNotBlank(type)) {
+				out.write(" rdf:datatype = \"" + xsd + type + "\"");
+			}
+			out.write(">" + valString + "</" + prop + ">");
 		}
 	}