code: public List<OpenIDAttribute> createAttributeList(String identifier) {
  		List<OpenIDAttribute> list = new LinkedList<>();
  		if (identifier != null && identifier.matches("https://www.google.com/.*")) {
  			OpenIDAttribute email = new OpenIDAttribute("email", "http://axschema.org/contact/email");
  			OpenIDAttribute first = new OpenIDAttribute("firstname", "http://axschema.org/namePerson/first");
  			OpenIDAttribute last = new OpenIDAttribute("lastname", "http://axschema.org/namePerson/last");
  			email.setCount(1);
  			email.setRequired(true);
  			first.setRequired(true);
  			last.setRequired(true);
  			list.add(email);
  			list.add(first);
  			list.add(last);
  		}
  		return list;
  	}
docs: A list of OpenID attributes to send in a request.
  @param identifier a user identifier
  @return a list of attributes