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ControllerResolverInterface.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\HttpKernel\Controller;
13
14 use Symfony\Component\HttpFoundation\Request;
15
16 /**
17 * A ControllerResolverInterface implementation knows how to determine the
18 * controller to execute based on a Request object.
19 *
20 * It can also determine the arguments to pass to the Controller.
21 *
22 * A Controller can be any valid PHP callable.
23 *
24 * @author Fabien Potencier <fabien@symfony.com>
25 *
26 * @api
27 */
28 interface ControllerResolverInterface
29 {
30 /**
31 * Returns the Controller instance associated with a Request.
32 *
33 * As several resolvers can exist for a single application, a resolver must
34 * return false when it is not able to determine the controller.
35 *
36 * The resolver must only throw an exception when it should be able to load
37 * controller but cannot because of some errors made by the developer.
38 *
39 * @param Request $request A Request instance
40 *
41 * @return mixed|bool A PHP callable representing the Controller,
42 * or false if this resolver is not able to determine the controller
43 *
44 * @throws \InvalidArgumentException|\LogicException If the controller can't be found
45 *
46 * @api
47 */
48 public function getController(Request $request);
49
50 /**
51 * Returns the arguments to pass to the controller.
52 *
53 * @param Request $request A Request instance
54 * @param mixed $controller A PHP callable
55 *
56 * @return array An array of arguments to pass to the controller
57 *
58 * @throws \RuntimeException When value for argument given is not provided
59 *
60 * @api
61 */
62 public function getArguments(Request $request, $controller);
63 }
64