diff --git a/org.eclipse.osbp.xtext.entitymock.common/src/org/eclipse/osbp/xtext/entitymock/common/ABaseMockEntity.java b/org.eclipse.osbp.xtext.entitymock.common/src/org/eclipse/osbp/xtext/entitymock/common/ABaseMockEntity.java
index a18ec7c..7890a46 100644
--- a/org.eclipse.osbp.xtext.entitymock.common/src/org/eclipse/osbp/xtext/entitymock/common/ABaseMockEntity.java
+++ b/org.eclipse.osbp.xtext.entitymock.common/src/org/eclipse/osbp/xtext/entitymock/common/ABaseMockEntity.java
@@ -15,6 +15,7 @@
 package org.eclipse.osbp.xtext.entitymock.common;
 
 import java.util.ArrayList;
+import java.util.Base64;
 import java.util.Collection;
 import java.util.Date;
 import java.util.List;
@@ -113,6 +114,11 @@
 		return (value == null) ? null : value.toString();
 	}
 	
+	protected static byte[] asByteArray(Object value) {
+		// store the text in base64 encode to be compatible with the referenced blob handler.
+		return (value == null) ? null : Base64.getEncoder().encode(value.toString().getBytes());
+	}
+	
 	protected final AEntityMockDataGenerator mockDataGenerator;
 	protected final String persistenceUnit;