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3 years ago
  1. <?php
  2. /*
  3. * This file is part of the Symfony package.
  4. *
  5. * (c) Fabien Potencier <fabien@symfony.com>
  6. *
  7. * For the full copyright and license information, please view the LICENSE
  8. * file that was distributed with this source code.
  9. */
  10. namespace Symfony\Component\HttpKernel\Controller;
  11. use Symfony\Component\HttpFoundation\Request;
  12. use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
  13. /**
  14. * Responsible for resolving the value of an argument based on its metadata.
  15. *
  16. * @author Iltar van der Berg <kjarli@gmail.com>
  17. */
  18. interface ArgumentValueResolverInterface
  19. {
  20. /**
  21. * Whether this resolver can resolve the value for the given ArgumentMetadata.
  22. *
  23. * @return bool
  24. */
  25. public function supports(Request $request, ArgumentMetadata $argument);
  26. /**
  27. * Returns the possible value(s).
  28. *
  29. * @return iterable
  30. */
  31. public function resolve(Request $request, ArgumentMetadata $argument);
  32. }