} else {
logger.log(Level.FINEST,
"{0} property [PropertyString] contains NULL value", propertyName);
}
} else if (prop instanceof PropertyStringList) {
StringList slist = prop.getStringListValue();
Iterator iter = slist.iterator();
while (iter.hasNext()) {
String val = (String) iter.next();
if (val != null) {
valuesList.add(Value.getStringValue(val));
} else {