vendor/sensio/generator-bundle/Command/GenerateDoctrineCommand.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Sensio\Bundle\GeneratorBundle\Command;

use Doctrine\Bundle\DoctrineBundle\Mapping\DisconnectedMetadataFactory;

abstract class GenerateDoctrineCommand extends GeneratorCommand
{
    public function isEnabled()
    {
        return class_exists('Doctrine\\Bundle\\DoctrineBundle\\DoctrineBundle');
    }

    protected function parseShortcutNotation($shortcut)
    {
        $entity = str_replace('/', '\\', $shortcut);

        if (false === $pos = strpos($entity, ':')) {
            throw new \InvalidArgumentException(sprintf('The entity name must contain a : ("%s" given, expecting something like AcmeBlogBundle:Blog/Post)', $entity));
        }

        return array(substr($entity, 0, $pos), substr($entity, $pos + 1));
    }

    protected function getEntityMetadata($entity)
    {
        $factory = new DisconnectedMetadataFactory($this->getContainer()->get('doctrine'));

        return $factory->getClassMetadata($entity)->getMetadata();
    }
}