question: get / authenticate - > check if the user is authenticated , and return its login . concode_field_sep Logger log concode_elem_sep UserRepository userRepository concode_elem_sep MailService mailService concode_elem_sep UserService userService concode_field_sep ResponseEntity<?> registerAccount concode_elem_sep ResponseEntity<UserDTO> getAccount concode_elem_sep ResponseEntity<String> activateAccount concode_elem_sep ResponseEntity<String> saveAccount concode_elem_sep ResponseEntity<?> changePassword
target: String function ( HttpServletRequest arg0 ) { log . debug ( "srini_string" ) ; return arg0 . getRemoteUser ( ) ; }