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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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\ServiceManager\Di;
use Zend\Di\Di;
use Zend\Di\Exception\ClassNotFoundException as DiClassNotFoundException;
use Zend\ServiceManager\Exception;
use Zend\ServiceManager\FactoryInterface;
use Zend\ServiceManager\ServiceLocatorInterface;
class DiServiceFactory extends Di implements FactoryInterface
{
/**@#+
* constants
*/
const USE_SL_BEFORE_DI = 'before';
const USE_SL_AFTER_DI = 'after';
const USE_SL_NONE = 'none';
/**@#-*/
/**
* @var \Zend\Di\Di
*/
protected $di = null;
/**
* @var \Zend\Di\InstanceManager
*/
protected $name = null;
/**
* @var array
*/
protected $parameters = array();
/**
* @var string
*/
protected $useServiceLocator = self::USE_SL_AFTER_DI;
/**
* @var ServiceLocatorInterface
*/
protected $serviceLocator = null;
/**
* Constructor
*
* @param \Zend\Di\Di $di
* @param null|\Zend\Di\InstanceManager $name
* @param array $parameters
* @param string $useServiceLocator
*/
public function __construct(Di $di, $name, array $parameters = array(), $useServiceLocator = self::USE_SL_NONE)
{
$this->di = $di;
$this->name = $name;
$this->parameters = $parameters;
if (in_array($useServiceLocator, array(self::USE_SL_BEFORE_DI, self::USE_SL_AFTER_DI, self::USE_SL_NONE))) {
$this->useServiceLocator = $useServiceLocator;
}
// since we are using this in a proxy-fashion, localize state
$this->definitions = $this->di->definitions;
$this->instanceManager = $this->di->instanceManager;
}
/**
* Create service
*
* @param ServiceLocatorInterface $serviceLocator
* @return object
*/
public function createService(ServiceLocatorInterface $serviceLocator)
{
$this->serviceLocator = $serviceLocator;
return $this->get($this->name, $this->parameters);
}
/**
* Override, as we want it to use the functionality defined in the proxy
*
* @param string $name
* @param array $params
* @return object
* @throws Exception\ServiceNotFoundException
*/
public function get($name, array $params = array())
{
// allow this di service to get dependencies from the service locator BEFORE trying di
if ($this->useServiceLocator == self::USE_SL_BEFORE_DI && $this->serviceLocator->has($name)) {
return $this->serviceLocator->get($name);
}
try {
$service = parent::get($name, $params);
return $service;
} catch (DiClassNotFoundException $e) {
// allow this di service to get dependencies from the service locator AFTER trying di
if ($this->useServiceLocator == self::USE_SL_AFTER_DI && $this->serviceLocator->has($name)) {
return $this->serviceLocator->get($name);
} else {
throw new Exception\ServiceNotFoundException(
sprintf('Service %s was not found in this DI instance', $name),
null,
$e
);
}
}
}
}
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