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