literalValue = ll.getLexicalForm();
}
} else { //add a text
String lexicalForm = ll.getLexicalForm();
if(lexicalForm != null && !lexicalForm.isEmpty()){
String language = ll.language();
if(language!=null && language.length()<1){
language = null;
}
source.addNaturalText(field, lexicalForm, language);
} //else ignore empty literals