protected function RISReferenceNormalizer::extractFields in Bibliography & Citation 8

Same name and namespace in other branches

1. 2.0.x modules/bibcite_ris/src/Normalizer/RISReferenceNormalizer.php \Drupal\bibcite_ris\Normalizer\RISReferenceNormalizer::extractFields()

Extract fields values from reference entity.

Parameters

\Drupal\bibcite_entity\Entity\ReferenceInterface $reference: Reference entity object.

string $format: Serializer format.

Return value

array Array of entity values.

Overrides ReferenceNormalizerBase::extractFields

File

modules/bibcite_ris/src/Normalizer/RISReferenceNormalizer.php, line 16

Class

RISReferenceNormalizer

Normalizes/denormalizes reference entity to RIS format.

Namespace

Drupal\bibcite_ris\Normalizer

Code

protected function extractFields(ReferenceInterface $reference, $format) {
  $attributes = parent::extractFields($reference, $format);
  $isbn = $this
    ->extractScalar($reference
    ->get('bibcite_isbn'));
  $issn = $this
    ->extractScalar($reference
    ->get('bibcite_issn'));
  if ($isbn || $issn) {
    $attributes['SN'] = trim($isbn . '/' . $issn, '/');
  }
  return $attributes;
}