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<?php |
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|
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <fabien@symfony.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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namespace Symfony\Component\Console\CommandLoader; |
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|
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use Symfony\Component\Console\Exception\CommandNotFoundException; |
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|
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/** |
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* A simple command loader using factories to instantiate commands lazily. |
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* |
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* @author Maxime Steinhausser <maxime.steinhausser@gmail.com> |
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*/ |
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class FactoryCommandLoader implements CommandLoaderInterface |
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{ |
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private $factories; |
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|
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/** |
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* @param callable[] $factories Indexed by command names |
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*/ |
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public function __construct(array $factories) |
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{ |
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$this->factories = $factories; |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($name) |
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{ |
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return isset($this->factories[$name]); |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($name) |
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{ |
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if (!isset($this->factories[$name])) { |
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throw new CommandNotFoundException(sprintf('Command "%s" does not exist.', $name)); |
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} |
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|
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$factory = $this->factories[$name]; |
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|
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return $factory(); |
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} |
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|
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/** |
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* {@inheritdoc} |
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*/ |
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public function getNames() |
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{ |
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return array_keys($this->factories); |
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} |
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} |
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|
