postAdminUsertoDashboard( user: User) : Observable<Number>{
    let dashboard_login: string ="/xyz/dashboard-login/login";
    let body = "userName=" + user.getUserName + "&password=" + user.getPassword;
    return this.http.post(this.base_url,body)
    .map(success => success.status).catch(this.handleError);
  }

@RequestMapping(value = "/login", method = RequestMethod.POST, produces = MediaType.APPLICATION_JSON_VALUE)
    public ResponseEntity<Object> authenticateUser(@RequestParam("userName") String userName, @RequestParam("password") String password)
    {
        final Logger logger = LoggerFactory.getLogger(AdminUserController.class);
        AdminUserDomain adminUser = adminUserService.authenticate(userName);
        if(adminUser == null) {
            ExceptionDomain domainException = new ExceptionDomain(1001,"User not found",null);
            return new ResponseEntity<Object>(domainException, HttpStatus.INTERNAL_SERVER_ERROR);
        }

        if(!password.equals(adminUser.getPassword())) {
            ExceptionDomain domainException = new ExceptionDomain(1002,"Password is incorrect",null);
            return new ResponseEntity<Object>(domainException, HttpStatus.INTERNAL_SERVER_ERROR);
        }
        return new ResponseEntity<Object>(adminUser, HttpStatus.ACCEPTED);