@Override
public String visit(OWLLiteralData data) throws RuntimeException {
String styleName = "literal-icon-inset";
OWLDatatype datatype = data.getLiteral().getDatatype();
if (datatype.isBuiltIn()) {
OWL2Datatype owl2Datatype = datatype.getBuiltInDatatype();
if (owl2Datatype.isNumeric()) {
styleName = "numeric-literal-icon-inset";
} else if (owl2Datatype.equals(OWL2Datatype.XSD_DATE_TIME)) {
styleName = "date-time-icon-inset";
}
}
String datatypeName = datatype.getIRI().getFragment();
if (datatypeName == null) {