/**
* @throws RequiredFieldMissingException
*/
private function validateCredentials()
{
if (empty($this->apiConfiguration->getUsername())) {
throw new RequiredFieldMissingException('ApiConfiguration', 'username');
} elseif (empty($this->apiConfiguration->getPassword())) {
throw new RequiredFieldMissingException('ApiConfiguration', 'password');
} elseif (empty($this->apiConfiguration->getClientId())) {
throw new RequiredFieldMissingException('ApiConfiguration', 'clientId');
} elseif (empty($this->apiConfiguration->getClientSecret())) {
throw new RequiredFieldMissingException('ApiConfiguration', 'clientSecret');
} elseif (empty($this->apiConfiguration->getScope())) {
throw new RequiredFieldMissingException('ApiConfiguration', 'scope');
}
}
/**
* @return Responses\CreateAccessTokenResponse
* @throws Exceptions\RequiredFieldMissingException
* @throws Exceptions\UnauthorizedClientException
*/
public function refreshAccessToken()
{
$accessTokenResponse = $this->httpRequest->requestAccessToken();
$this->apiConfiguration->setAccessToken($accessTokenResponse->getAccessToken());
return $accessTokenResponse;
}