<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Crypt;
use Zend\ServiceManager\AbstractPluginManager;
/**
* Plugin manager implementation for the symmetric adapter instances.
*
* Enforces that symmetric adapters retrieved are instances of
* Symmetric\SymmetricInterface. Additionally, it registers a number of default
* symmetric adapters available.
*/
class SymmetricPluginManager extends AbstractPluginManager
{
/**
* Default set of symmetric adapters
*
* @var array
*/
protected $invokableClasses = array(
'mcrypt' => 'Zend\Crypt\Symmetric\Mcrypt',
);
/**
* Do not share by default
*
* @var bool
*/
protected $shareByDefault = false;
/**
* Validate the plugin
*
* Checks that the adapter loaded is an instance
* of Symmetric\SymmetricInterface.
*
* @param mixed $plugin
* @return void
* @throws Exception\InvalidArgumentException if invalid
*/
public function validatePlugin($plugin)
{
if ($plugin instanceof Symmetric\SymmetricInterface) {
// we're okay
return;
}
throw new Exception\InvalidArgumentException(sprintf(
'Plugin of type %s is invalid; must implement %s\Symmetric\SymmetricInterface',
(is_object($plugin) ? get_class($plugin) : gettype($plugin)),
__NAMESPACE__
));
}
}