You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

61 lines
2.0 KiB

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package core
* @subpackage backup-convert
* @copyright 2011 Mark Nielsen <mark@moodlerooms.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Factory class to create new instances of backup converters
*/
abstract class convert_factory {
/**
* Instantinates the given converter operating on a given directory
*
* @throws coding_exception
* @param $name The converter name
* @param $tempdir The temp directory to operate on
* @param base_logger|null if the conversion should be logged, use this logger
* @return base_converter
*/
public static function get_converter($name, $tempdir, $logger = null) {
global $CFG;
$name = clean_param($name, PARAM_SAFEDIR);
$classfile = "$CFG->dirroot/backup/converter/$name/lib.php";
$classname = "{$name}_converter";
if (!file_exists($classfile)) {
throw new coding_exception("Converter factory error: class file not found $classfile");
}
require_once($classfile);
if (!class_exists($classname)) {
throw new coding_exception("Converter factory error: class not found $classname");
}
return new $classname($tempdir, $logger);
}
}