Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\serialization\Encoder;
Chris@0: 
Chris@0: use Symfony\Component\Serializer\Encoder\EncoderInterface;
Chris@0: use Symfony\Component\Serializer\Encoder\DecoderInterface;
Chris@0: use Symfony\Component\Serializer\Encoder\XmlEncoder as BaseXmlEncoder;
Chris@17: use Symfony\Component\Serializer\SerializerAwareInterface;
Chris@17: use Symfony\Component\Serializer\SerializerAwareTrait;
Chris@0: 
Chris@0: /**
Chris@0:  * Adds XML support for serializer.
Chris@0:  *
Chris@0:  * This acts as a wrapper class for Symfony's XmlEncoder so that it is not
Chris@0:  * implementing NormalizationAwareInterface, and can be normalized externally.
Chris@14:  *
Chris@14:  * @internal
Chris@14:  *   This encoder should not be used directly. Rather, use the `serializer`
Chris@14:  *   service.
Chris@0:  */
Chris@17: class XmlEncoder implements SerializerAwareInterface, EncoderInterface, DecoderInterface {
Chris@17: 
Chris@17:   use SerializerAwareTrait;
Chris@0: 
Chris@0:   /**
Chris@0:    * The formats that this Encoder supports.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@18:   protected static $format = ['xml'];
Chris@0: 
Chris@0:   /**
Chris@0:    * An instance of the Symfony XmlEncoder to perform the actual encoding.
Chris@0:    *
Chris@0:    * @var \Symfony\Component\Serializer\Encoder\XmlEncoder
Chris@0:    */
Chris@0:   protected $baseEncoder;
Chris@0: 
Chris@0:   /**
Chris@0:    * Gets the base encoder instance.
Chris@0:    *
Chris@0:    * @return \Symfony\Component\Serializer\Encoder\XmlEncoder
Chris@0:    *   The base encoder.
Chris@0:    */
Chris@0:   public function getBaseEncoder() {
Chris@0:     if (!isset($this->baseEncoder)) {
Chris@0:       $this->baseEncoder = new BaseXmlEncoder();
Chris@0:       $this->baseEncoder->setSerializer($this->serializer);
Chris@0:     }
Chris@0: 
Chris@0:     return $this->baseEncoder;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Sets the base encoder instance.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\Serializer\Encoder\XmlEncoder $encoder
Chris@0:    */
Chris@0:   public function setBaseEncoder($encoder) {
Chris@0:     $this->baseEncoder = $encoder;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@12:   public function encode($data, $format, array $context = []) {
Chris@0:     return $this->getBaseEncoder()->encode($data, $format, $context);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function supportsEncoding($format) {
Chris@0:     return in_array($format, static::$format);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@12:   public function decode($data, $format, array $context = []) {
Chris@0:     return $this->getBaseEncoder()->decode($data, $format, $context);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function supportsDecoding($format) {
Chris@0:     return in_array($format, static::$format);
Chris@0:   }
Chris@0: 
Chris@0: }