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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Cache\Service;
use Interop\Container\ContainerInterface;
use Zend\Cache\StorageFactory;
use Zend\ServiceManager\AbstractFactoryInterface;
use Zend\ServiceManager\ServiceLocatorInterface;
/**
* Storage cache factory for multiple caches.
*/
class StorageCacheAbstractServiceFactory implements AbstractFactoryInterface
{
use PluginManagerLookupTrait;
/**
* @var array
*/
protected $config;
/**
* Configuration key for cache objects
*
* @var string
*/
protected $configKey = 'caches';
/**
* @param ContainerInterface $container
* @param string $requestedName
* @return boolean
*/
public function canCreate(ContainerInterface $container, $requestedName)
{
$config = $this->getConfig($container);
if (empty($config)) {
return false;
}
return (isset($config[$requestedName]) && is_array($config[$requestedName]));
}
/**
* @param ServiceLocatorInterface $serviceLocator
* @param string $name
* @param string $requestedName
* @return boolean
*/
public function canCreateServiceWithName(ServiceLocatorInterface $serviceLocator, $name, $requestedName)
{
return $this->canCreate($serviceLocator, $requestedName);
}
/**
* Create an object
*
* @param ContainerInterface $container
* @param string $requestedName
* @param null|array $options
* @return object
*/
public function __invoke(ContainerInterface $container, $requestedName, array $options = null)
{
$this->prepareStorageFactory($container);
$config = $this->getConfig($container);
return StorageFactory::factory($config[$requestedName]);
}
public function createServiceWithName(ServiceLocatorInterface $serviceLocator, $name, $requestedName)
{
return $this($serviceLocator, $requestedName);
}
/**
* Retrieve cache configuration, if any
*
* @param ContainerInterface $container
* @return array
*/
protected function getConfig(ContainerInterface $container)
{
if ($this->config !== null) {
return $this->config;
}
if (! $container->has('config')) {
$this->config = [];
return $this->config;
}
$config = $container->get('config');
if (! isset($config[$this->configKey])) {
$this->config = [];
return $this->config;
}
$this->config = $config[$this->configKey];
return $this->config;
}
}