nextcloud/lib/private/files/storage/loader.php

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<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Files\Storage;
class Loader {
/**
* @var callable[] $storageWrappers
*/
private $storageWrappers = array();
/**
* allow modifier storage behaviour by adding wrappers around storages
*
* $callback should be a function of type (string $mountPoint, Storage $storage) => Storage
*
* @param callable $callback
*/
public function addStorageWrapper($callback) {
$this->storageWrappers[] = $callback;
}
/**
* @param string|boolean $mountPoint
* @param string $class
*/
public function load($mountPoint, $class, $arguments) {
return $this->wrap($mountPoint, new $class($arguments));
}
public function wrap($mountPoint, $storage) {
foreach ($this->storageWrappers as $wrapper) {
$storage = $wrapper($mountPoint, $storage);
}
return $storage;
}
}