RegisterSerializationClassesCompilerPass::process

public RegisterSerializationClassesCompilerPass::process(ContainerBuilder $container)

public function process(ContainerBuilder $container) {
  $definition = $container->getDefinition('serializer');

  // Retrieve registered Normalizers and Encoders from the container.
  foreach ($container->findTaggedServiceIds('normalizer') as $id => $attributes) {
    $priority = isset($attributes[0]['priority']) ? $attributes[0]['priority'] : 0;
    $normalizers[$priority][] = new Reference($id);
  }
  foreach ($container->findTaggedServiceIds('encoder') as $id => $attributes) {
    $priority = isset($attributes[0]['priority']) ? $attributes[0]['priority'] : 0;
    $encoders[$priority][] = new Reference($id);
  }

  // Add the registered Normalizers and Encoders to the Serializer.
  if (!empty($normalizers)) {
    $definition->replaceArgument(0, $this->sort($normalizers));
  }
  if (!empty($encoders)) {
    $definition->replaceArgument(1, $this->sort($encoders));
  }

  // Find all serialization formats known.
  $formats = array();
  $format_providers = [];
  foreach ($container->findTaggedServiceIds('encoder') as $service_id => $attributes) {
    $format = $attributes[0]['format'];
    $formats[] = $format;

    if ($provider_tag = $container->getDefinition($service_id)->getTag('_provider')) {
      $format_providers[$format] = $provider_tag[0]['provider'];
    }
  }
  $container->setParameter('serializer.formats', $formats);
  $container->setParameter('serializer.format_providers', $format_providers);
}