var url = 'rest/loginParametros';
axios.post(url, {
    user: this.username,
    password: this.password
})
.then(function (response) {
    console.log(response);
 })
 .catch(function (error) {
    console.log(error);
 });

@org.springframework.web.bind.annotation.RestController
@RequestMapping("/rest")
public class RestController {

private final Log log = LogFactory.getLog(RestController.class);

@PostMapping("/loginParametros")
public ResponseEntity<Boolean> loginParametros(@RequestParam(value = "user", required = true) String user,
                    @RequestParam(value = "password", required = true) String password)
{
    log.info("user: " + user + " password: " + password);
    if(user.equals("hitzu") && password.equals("hitzu"))
        return new ResponseEntity<>(true, HttpStatus.OK);
    return new ResponseEntity<>(false, HttpStatus.OK);
}
}