<?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__ )); } }