<?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\Math\BigInteger;
use Zend\ServiceManager\AbstractPluginManager;
/**
* Plugin manager implementation for BigInteger adapters.
*
* Enforces that adapters retrieved are instances of
* Adapter\AdapterInterface. Additionally, it registers a number of default
* adapters available.
*/
class AdapterPluginManager extends AbstractPluginManager
{
/**
* Default set of adapters
*
* @var array
*/
protected $invokableClasses = array(
'bcmath' => 'Zend\Math\BigInteger\Adapter\Bcmath',
'gmp' => 'Zend\Math\BigInteger\Adapter\Gmp',
);
/**
* Validate the plugin
*
* Checks that the adapter loaded is an instance of Adapter\AdapterInterface.
*
* @param mixed $plugin
* @return void
* @throws Exception\RuntimeException if invalid
*/
public function validatePlugin($plugin)
{
if ($plugin instanceof Adapter\AdapterInterface) {
// we're okay
return;
}
throw new Exception\RuntimeException(sprintf(
'Plugin of type %s is invalid; must implement %s\Adapter\AdapterInterface',
(is_object($plugin) ? get_class($plugin) : gettype($plugin)),
__NAMESPACE__
));
}
}