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