Mercurial > hg > isophonics-drupal-site
view vendor/symfony/serializer/Encoder/ChainEncoder.php @ 17:129ea1e6d783
Update, including to Drupal core 8.6.10
author | Chris Cannam |
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date | Thu, 28 Feb 2019 13:21:36 +0000 |
parents | 1fec387a4317 |
children |
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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Serializer\Encoder; use Symfony\Component\Serializer\Exception\RuntimeException; /** * Encoder delegating the decoding to a chain of encoders. * * @author Jordi Boggiano <j.boggiano@seld.be> * @author Johannes M. Schmitt <schmittjoh@gmail.com> * @author Lukas Kahwe Smith <smith@pooteeweet.org> * * @final since version 3.3. */ class ChainEncoder implements EncoderInterface /*, ContextAwareEncoderInterface*/ { protected $encoders = []; protected $encoderByFormat = []; public function __construct(array $encoders = []) { $this->encoders = $encoders; } /** * {@inheritdoc} */ final public function encode($data, $format, array $context = []) { return $this->getEncoder($format, $context)->encode($data, $format, $context); } /** * {@inheritdoc} */ public function supportsEncoding($format/*, array $context = []*/) { $context = \func_num_args() > 1 ? func_get_arg(1) : []; try { $this->getEncoder($format, $context); } catch (RuntimeException $e) { return false; } return true; } /** * Checks whether the normalization is needed for the given format. * * @param string $format * @param array $context * * @return bool */ public function needsNormalization($format/*, array $context = []*/) { $context = \func_num_args() > 1 ? func_get_arg(1) : []; $encoder = $this->getEncoder($format, $context); if (!$encoder instanceof NormalizationAwareInterface) { return true; } if ($encoder instanceof self) { return $encoder->needsNormalization($format, $context); } return false; } /** * Gets the encoder supporting the format. * * @param string $format * @param array $context * * @return EncoderInterface * * @throws RuntimeException if no encoder is found */ private function getEncoder($format, array $context) { if (isset($this->encoderByFormat[$format]) && isset($this->encoders[$this->encoderByFormat[$format]]) ) { return $this->encoders[$this->encoderByFormat[$format]]; } foreach ($this->encoders as $i => $encoder) { if ($encoder->supportsEncoding($format, $context)) { $this->encoderByFormat[$format] = $i; return $encoder; } } throw new RuntimeException(sprintf('No encoder found for format "%s".', $format)); } }