String userName = null;
if( null != userDocContext ){
JSONObject userDoc = userDocContext.getUserDoc();
Set<String> validatedEmails = new HashSet<String>();
JSONArray jsonValidated = userDoc.optJSONArray("nunaliit_validated_emails");
if( null != jsonValidated ){
for(int i=0; i<jsonValidated.length(); ++i){
String email = jsonValidated.getString(i);
validatedEmails.add(email);
}