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<?php
/**
*
* @package avatar
* @copyright (c) 2010 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* @package acm
*/
class phpbb_avatar_manager
{
private $phpbb_root_path;
private $php_ext;
private $config;
private $cache;
private static $valid_drivers = false;
/**
* @TODO
**/
public function __construct($phpbb_root_path, $php_ext = '.php', phpbb_config $config, phpbb_cache_driver_interface $cache = null)
{
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
$this->config = $config;
$this->cache = $cache;
}
/**
* @TODO
**/
public function get_singleton($avatar_type)
{
if (self::$valid_drivers === false)
{
$this->load_valid_drivers();
}
if (isset(self::$valid_drivers[$avatar_type]))
{
if (!is_object(self::$valid_drivers[$avatar_type]))
{
$class_name = 'phpbb_avatar_driver_' . $avatar_type;
self::$valid_drivers[$avatar_type] = new $class_name($this->config, $this->phpbb_root_path, $this->php_ext);
}
return self::$valid_drivers[$avatar_type];
}
else
{
return null;
}
}
/**
* @TODO
**/
private function load_valid_drivers()
{
require_once($this->phpbb_root_path . 'includes/avatar/driver.' . $this->php_ext);
if ($this->cache)
{
self::$valid_drivers = $this->cache->get('avatar_drivers');
}
if (empty($this->valid_drivers))
{
self::$valid_drivers = array();
$iterator = new DirectoryIterator($this->phpbb_root_path . 'includes/avatar/driver');
foreach ($iterator as $file)
{
if (preg_match("/^(.*)\.{$this->php_ext}$/", $file, $match))
{
self::$valid_drivers[] = $match[1];
}
}
self::$valid_drivers = array_flip(self::$valid_drivers);
if ($this->cache)
{
$this->cache->put('avatar_drivers', self::$valid_drivers);
}
}
}
/**
* @TODO
**/
public function get_valid_drivers() {
if (self::$valid_drivers === false)
{
$this->load_valid_drivers();
}
return array_keys(self::$valid_drivers);
}
}
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