<?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\Tag\Cloud;
use Zend\ServiceManager\AbstractPluginManager;
use Zend\Tag\Exception;
/**
* Plugin manager implementation for decorators.
*
* Enforces that decorators retrieved are instances of
* Decorator\DecoratorInterface. Additionally, it registers a number of default
* decorators available.
*/
class DecoratorPluginManager extends AbstractPluginManager
{
/**
* Default set of decorators
*
* @var array
*/
protected $invokableClasses = array(
'htmlcloud' => 'Zend\Tag\Cloud\Decorator\HtmlCloud',
'htmltag' => 'Zend\Tag\Cloud\Decorator\HtmlTag',
'tag' => 'Zend\Tag\Cloud\Decorator\HtmlTag',
);
/**
* Validate the plugin
*
* Checks that the decorator loaded is an instance
* of Decorator\DecoratorInterface.
*
* @param mixed $plugin
* @return void
* @throws Exception\InvalidArgumentException if invalid
*/
public function validatePlugin($plugin)
{
if ($plugin instanceof Decorator\DecoratorInterface) {
// we're okay
return;
}
throw new Exception\InvalidArgumentException(sprintf(
'Plugin of type %s is invalid; must implement %s\Decorator\DecoratorInterface',
(is_object($plugin) ? get_class($plugin) : gettype($plugin)),
__NAMESPACE__
));
}
}