buildErrorObjects example

class EntityAccessDeniedHttpExceptionNormalizer extends HttpExceptionNormalizer {

  /** * {@inheritdoc} */
  protected function buildErrorObjects(HttpException $exception) {
    $errors = parent::buildErrorObjects($exception);

    if ($exception instanceof EntityAccessDeniedHttpException) {
      $error = $exception->getError();
      /** @var \Drupal\Core\Entity\EntityInterface $entity */
      $entity = $error['entity'];
      $pointer = $error['pointer'];
      $reason = $error['reason'];
      $relationship_field = $error['relationship_field']
        ?? NULL;

      if (isset($entity)) {
        

class UnprocessableHttpEntityExceptionNormalizer extends HttpExceptionNormalizer {

  /** * {@inheritdoc} */
  protected function buildErrorObjects(HttpException $exception) {
    /** @var \Drupal\jsonapi\Exception\UnprocessableHttpEntityException $exception */
    $errors = parent::buildErrorObjects($exception);
    $error = $errors[0];
    unset($error['links']);

    $errors = [];
    $violations = $exception->getViolations();
    $entity_violations = $violations->getEntityViolations();
    foreach ($entity_violations as $violation) {
      /** @var \Symfony\Component\Validator\ConstraintViolation $violation */
      $error['detail'] = 'Entity is not valid: '
        . $violation->getMessage();
      $error['source']['pointer'] = '/data';
      

  public function normalize($object, $format = NULL, array $context = []): array|string|int|float|bool|\ArrayObject|NULL {
    $cacheability = new CacheableMetadata();
    $cacheability->addCacheableDependency($object);

    $cacheability->addCacheTags(['config:system.logging']);
    if (\Drupal::config('system.logging')->get('error_level') === ERROR_REPORTING_DISPLAY_VERBOSE) {
      $cacheability->setCacheMaxAge(0);
    }

    return new HttpExceptionNormalizerValue($cacheability, static::rasterizeValueRecursive($this->buildErrorObjects($object)));
  }

  /** * Builds the normalized JSON:API error objects for the response. * * @param \Symfony\Component\HttpKernel\Exception\HttpException $exception * The Exception. * * @return array * The error objects to include in the response. */