AliasResolver.php
5 years ago
ArrayResolver.php
5 years ago
DecoratorResolver.php
5 years ago
DefinitionResolver.php
5 years ago
EnvironmentVariableResolver.php
5 years ago
FactoryResolver.php
5 years ago
InstanceInjector.php
5 years ago
ObjectCreator.php
5 years ago
ParameterResolver.php
5 years ago
ResolverDispatcher.php
5 years ago
StringResolver.php
5 years ago
ValueResolver.php
5 years ago
AliasResolver.php
78 lines
| 1 | <?php |
| 2 | /** |
| 3 | * PHP-DI |
| 4 | * |
| 5 | * @link http://mnapoli.github.com/PHP-DI/ |
| 6 | * @copyright Matthieu Napoli (http://mnapoli.fr/) |
| 7 | * @license http://www.opensource.org/licenses/mit-license.php MIT (see the LICENSE file) |
| 8 | */ |
| 9 | |
| 10 | namespace Cybot\Dependencies\DI\Definition\Resolver; |
| 11 | |
| 12 | use Cybot\Dependencies\DI\Definition\AliasDefinition; |
| 13 | use Cybot\Dependencies\DI\Definition\Definition; |
| 14 | use Cybot\Dependencies\Interop\Container\ContainerInterface; |
| 15 | |
| 16 | /** |
| 17 | * Resolves an alias definition to a value. |
| 18 | * |
| 19 | * @since 4.0 |
| 20 | * @author Matthieu Napoli <matthieu@mnapoli.fr> |
| 21 | */ |
| 22 | class AliasResolver implements DefinitionResolver |
| 23 | { |
| 24 | /** |
| 25 | * @var ContainerInterface |
| 26 | */ |
| 27 | private $container; |
| 28 | |
| 29 | /** |
| 30 | * The resolver needs a container. |
| 31 | * This container will be used to get the entry to which the alias points to. |
| 32 | * |
| 33 | * @param ContainerInterface $container |
| 34 | */ |
| 35 | public function __construct(ContainerInterface $container) |
| 36 | { |
| 37 | $this->container = $container; |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Resolve an alias definition to a value. |
| 42 | * |
| 43 | * This will return the entry the alias points to. |
| 44 | * |
| 45 | * @param AliasDefinition $definition |
| 46 | * |
| 47 | * {@inheritdoc} |
| 48 | */ |
| 49 | public function resolve(Definition $definition, array $parameters = []) |
| 50 | { |
| 51 | $this->assertIsAliasDefinition($definition); |
| 52 | |
| 53 | return $this->container->get($definition->getTargetEntryName()); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * @param AliasDefinition $definition |
| 58 | * |
| 59 | * {@inheritdoc} |
| 60 | */ |
| 61 | public function isResolvable(Definition $definition, array $parameters = []) |
| 62 | { |
| 63 | $this->assertIsAliasDefinition($definition); |
| 64 | |
| 65 | return $this->container->has($definition->getTargetEntryName()); |
| 66 | } |
| 67 | |
| 68 | private function assertIsAliasDefinition(Definition $definition) |
| 69 | { |
| 70 | if (!$definition instanceof AliasDefinition) { |
| 71 | throw new \InvalidArgumentException(sprintf( |
| 72 | 'This definition resolver is only compatible with AliasDefinition objects, %s given', |
| 73 | get_class($definition) |
| 74 | )); |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 |