verify user name/password authentication . concode_field_sep Set<Character> UNRESERVED_CHARACTERS concode_elem_sep Map<String,String> axMapping concode_elem_sep Log log concode_field_sep String normalizeUrlEncoding concode_elem_sep String getOpenID concode_elem_sep String getOpenIDUserPattern concode_elem_sep String getMappedAxSchema concode_elem_sep String getUserName concode_elem_sep String getOpenIDLoginPageURL concode_elem_sep String getOpenIDServerURL concode_elem_sep String generateOpenID