/
JsonEventSubscriber.php
101 lines (85 loc) · 2.83 KB
/
JsonEventSubscriber.php
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<?php
namespace Hateoas\Serializer\EventSubscriber;
use Hateoas\Factory\EmbeddedsFactory;
use Hateoas\Factory\LinksFactory;
use Hateoas\Serializer\JsonSerializerInterface;
use Hateoas\Serializer\Metadata\InlineDeferrer;
use JMS\Serializer\EventDispatcher\Events;
use JMS\Serializer\EventDispatcher\EventSubscriberInterface;
use JMS\Serializer\EventDispatcher\ObjectEvent;
/**
* @author Adrien Brault <adrien.brault@gmail.com>
*/
class JsonEventSubscriber implements EventSubscriberInterface
{
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents()
{
return array(
array(
'event' => Events::POST_SERIALIZE,
'format' => 'json',
'method' => 'onPostSerialize',
),
);
}
/**
* @var JsonSerializerInterface
*/
private $jsonSerializer;
/**
* @var LinksFactory
*/
private $linksFactory;
/**
* @var EmbeddedsFactory
*/
private $embeddedsFactory;
/**
* @var InlineDeferrer
*/
private $embeddedsInlineDeferrer;
/**
* @var InlineDeferrer
*/
private $linksInlineDeferrer;
/**
* @param JsonSerializerInterface $jsonSerializer
* @param LinksFactory $linksFactory
* @param EmbeddedsFactory $embeddedsFactory
* @param InlineDeferrer $embeddedsInlineDeferrer
* @param InlineDeferrer $linksInleDeferrer
*/
public function __construct(
JsonSerializerInterface $jsonSerializer,
LinksFactory $linksFactory,
EmbeddedsFactory $embeddedsFactory,
InlineDeferrer $embeddedsInlineDeferrer,
InlineDeferrer $linksInleDeferrer
) {
$this->jsonSerializer = $jsonSerializer;
$this->linksFactory = $linksFactory;
$this->embeddedsFactory = $embeddedsFactory;
$this->embeddedsInlineDeferrer = $embeddedsInlineDeferrer;
$this->linksInlineDeferrer = $linksInleDeferrer;
}
public function onPostSerialize(ObjectEvent $event)
{
$object = $event->getObject();
$context = $event->getContext();
$context->startVisiting($object);
$embeddeds = $this->embeddedsFactory->create($object, $context);
$links = $this->linksFactory->create($object, $context);
$embeddeds = $this->embeddedsInlineDeferrer->handleItems($object, $embeddeds, $context);
$links = $this->linksInlineDeferrer->handleItems($object, $links, $context);
if (count($links) > 0) {
$this->jsonSerializer->serializeLinks($links, $event->getVisitor(), $context);
}
if (count($embeddeds) > 0) {
$this->jsonSerializer->serializeEmbeddeds($embeddeds, $event->getVisitor(), $context);
}
$context->stopVisiting($object);
}
}