* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Form\Extension\DependencyInjection; use Symfony\Component\Form\FormExtensionInterface; use Symfony\Component\Form\FormTypeGuesserChain; use Symfony\Component\Form\Exception\InvalidArgumentException; use Symfony\Component\DependencyInjection\ContainerInterface; class DependencyInjectionExtension implements FormExtensionInterface { private $container; private $typeServiceIds; private $typeExtensionServiceIds; private $guesserServiceIds; private $guesser; private $guesserLoaded = false; public function __construct(ContainerInterface $container, array $typeServiceIds, array $typeExtensionServiceIds, array $guesserServiceIds) { $this->container = $container; $this->typeServiceIds = $typeServiceIds; $this->typeExtensionServiceIds = $typeExtensionServiceIds; $this->guesserServiceIds = $guesserServiceIds; } public function getType($name) { if (!isset($this->typeServiceIds[$name])) { throw new InvalidArgumentException(sprintf('The field type "%s" is not registered with the service container.', $name)); } $type = $this->container->get($this->typeServiceIds[$name]); if ($type->getName() !== $name) { throw new InvalidArgumentException( sprintf('The type name specified for the service "%s" does not match the actual name. Expected "%s", given "%s"', $this->typeServiceIds[$name], $name, $type->getName() )); } return $type; } public function hasType($name) { return isset($this->typeServiceIds[$name]); } public function getTypeExtensions($name) { $extensions = array(); if (isset($this->typeExtensionServiceIds[$name])) { foreach ($this->typeExtensionServiceIds[$name] as $serviceId) { $extensions[] = $this->container->get($serviceId); } } return $extensions; } public function hasTypeExtensions($name) { return isset($this->typeExtensionServiceIds[$name]); } public function getTypeGuesser() { if (!$this->guesserLoaded) { $this->guesserLoaded = true; $guessers = array(); foreach ($this->guesserServiceIds as $serviceId) { $guessers[] = $this->container->get($serviceId); } if (count($guessers) > 0) { $this->guesser = new FormTypeGuesserChain($guessers); } } return $this->guesser; } }