<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */

namespace Zend\Mvc\Controller\Plugin\Service;

use Zend\ServiceManager\Exception\ServiceNotCreatedException;
use Zend\ServiceManager\FactoryInterface;
use Zend\ServiceManager\ServiceLocatorInterface;
use Zend\Mvc\Controller\Plugin\Forward;

class ForwardFactory implements FactoryInterface
{
    /**
     * {@inheritDoc}
     *
     * @return Forward
     * @throws ServiceNotCreatedException if ControllerLoader service is not found in application service locator
     */
    public function createService(ServiceLocatorInterface $plugins)
    {
        $services = $plugins->getServiceLocator();
        if (!$services instanceof ServiceLocatorInterface) {
            throw new ServiceNotCreatedException(sprintf(
                '%s requires that the application service manager has been injected; none found',
                __CLASS__
            ));
        }

        if (!$services->has('ControllerLoader')) {
            throw new ServiceNotCreatedException(sprintf(
                '%s requires that the application service manager contains a "%s" service; none found',
                __CLASS__,
                'ControllerLoader'
            ));
        }
        $controllers = $services->get('ControllerLoader');

        return new Forward($controllers);
    }
}
