public function HttpConfigRequestForm::jsonString in HTTP Client Manager 8.2

Value callback: converts strings to JSON array.

Parameters

array $element: The form element.

string $input: The input value.

\Drupal\Core\Form\FormStateInterface $form_state: The Form State instance.

Return value

array|null|string The computed value.

File

src/Form/HttpConfigRequestForm.php, line 316

Class

HttpConfigRequestForm

Class HttpConfigRequestForm.

Namespace

Drupal\http_client_manager\Form

Code

public function jsonString(array &$element, $input, FormStateInterface $form_state) {
  if ($input !== FALSE && $input !== NULL) {
    $input = trim($input);
    if (empty($input)) {
      return [];
    }

    /** @var \GuzzleHttp\Command\Guzzle\Parameter $param */
    $param = $element['#command_param'];
    $assoc = $param
      ->getType() == 'array' ? JSON_OBJECT_AS_ARRAY : JSON_FORCE_OBJECT;
    $item = json_decode($input, $assoc);
    if (json_last_error() !== JSON_ERROR_NONE) {
      $message = $this
        ->t('There was an error parsing your JSON: @error', [
        '@error' => json_last_error_msg(),
      ]);
      $this
        ->messenger()
        ->addError($message);
      return $input;
    }
    return $item;
  }
  if (empty($element['#default_value'])) {
    return NULL;
  }
  $item = json_encode($element['#default_value'], JSON_PRETTY_PRINT);
  if (json_last_error() !== JSON_ERROR_NONE) {
    $this
      ->messenger()
      ->addError(json_last_error_msg());
    return $input;
  }
  return $item;
}