<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Memory
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/

/** Zend_Memory_Exception */
#require_once 'Zend/Memory/Manager.php';

/** Zend_Memory_Value */
#require_once 'Zend/Memory/Value.php';

/** Zend_Memory_Container */
#require_once 'Zend/Memory/Container.php';

/** Zend_Memory_Exception */
#require_once 'Zend/Cache.php';

/**
* @category Zend
* @package Zend_Memory
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Memory
{
/**
* Factory
*
* @param string $backend backend name
* @param array $backendOptions associative array of options for the corresponding backend constructor
* @return Zend_Memory_Manager
* @throws Zend_Memory_Exception
*/
public static function factory($backend, $backendOptions = array())
{
if (strcasecmp($backend, 'none') == 0) {
return new Zend_Memory_Manager();
}

// Look through available backendsand
// (that allows to specify it in any case)
$backendIsFound = false;
foreach (Zend_Cache::$standardBackends as $zendCacheBackend) {
if (strcasecmp($backend, $zendCacheBackend) == 0) {
$backend = $zendCacheBackend;
$backendIsFound = true;
break;
}
}

if (!$backendIsFound) {
#require_once 'Zend/Memory/Exception.php';
throw new Zend_Memory_Exception("Incorrect backend ($backend)");
}

$backendClass = 'Zend_Cache_Backend_' . $backend;

// For perfs reasons, we do not use the Zend_Loader::loadClass() method
// (security controls are explicit)
#require_once str_replace('_', DIRECTORY_SEPARATOR, $backendClass) . '.php';

$backendObject = new $backendClass($backendOptions);

return new Zend_Memory_Manager($backendObject);
}
}