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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Factory\Definitions; |
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use Psr\Container\ContainerInterface; |
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use Yiisoft\Factory\Exceptions\InvalidConfigException; |
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/** |
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* Reference points to a class name in the container |
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*/ |
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class ClassDefinition implements DefinitionInterface |
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{ |
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private string $class; |
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private bool $optional; |
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/** |
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* Constructor. |
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* @param string $class the class name |
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* @param bool $optional if null should be returned instead of throwing an exception |
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*/ |
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public function __construct(string $class, bool $optional) |
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{ |
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$this->class = $class; |
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$this->optional = $optional; |
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} |
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public function getType(): string |
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{ |
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return $this->class; |
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} |
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public function resolve(ContainerInterface $container) |
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{ |
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if ($this->isUnionType()) { |
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return $this->resolveUnionType($container); |
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} |
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try { |
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$result = $container->get($this->class); |
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} catch (\Throwable $t) { |
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if ($this->optional) { |
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return null; |
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} |
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throw $t; |
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} |
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if (!$result instanceof $this->class) { |
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throw new InvalidConfigException('Container returned incorrect type for service ' . $this->class); |
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} |
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return $result; |
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} |
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/** |
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* @param ContainerInterface $container |
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* @return mixed |
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* @throws \Throwable |
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*/ |
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private function resolveUnionType(ContainerInterface $container) |
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{ |
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$types = explode('|', $this->class); |
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$error = null; |
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foreach ($types as $type) { |
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try { |
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$result = $container->get($type); |
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if (!$result instanceof $type) { |
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throw new InvalidConfigException('Container returned incorrect type for service ' . $type); |
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} |
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return $result; |
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} catch (\Throwable $t) { |
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$error = $t; |
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} |
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} |
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if ($this->optional) { |
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return null; |
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} |
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throw $error; |
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} |
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private function isUnionType(): bool |
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{ |
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return strpos($this->class, '|') !== false; |
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} |
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} |
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yiisoft /
factory
