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<?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/>.
/**
* XML format exporter class to file storage
*
* @package core_dtl
* @copyright 2008 Andrei Bautu
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* XML format exporter class to file storage.
*/
class file_xml_database_exporter extends xml_database_exporter {
/** @var string Path to the XML data file. */
protected $filepath;
/** @var resource File descriptor for the output file. */
protected $file;
/**
* Object constructor.
*
* @param string $filepath - path to the XML data file. Use 'php://output' for PHP
* output stream.
* @param moodle_database $mdb Connection to the source database
* @see xml_database_exporter::__construct()
* @param boolean $check_schema - whether or not to check that XML database
* @see xml_database_exporter::__construct()
*/
public function __construct($filepath, moodle_database $mdb, $check_schema=true) {
parent::__construct($mdb, $check_schema);
$this->filepath = $filepath;
}
/**
* Specific output method for the file XML sink.
* @param string $text
*/
protected function output($text) {
fwrite($this->file, $text);
}
/**
* Specific implementation for file exporting the database: it opens output stream, calls
* superclass @see database_exporter::export_database() and closes output stream.
*
* @throws dbtransfer_exception if any checking (e.g. database schema) fails
*
* @param string $description a user description of the data.
*/
public function export_database($description=null) {
global $CFG;
// TODO: add exception if file creation fails
$this->file = fopen($this->filepath, 'wb');
parent::export_database($description);
fclose($this->file);
@chmod($this->filepath, $CFG->filepermissions);
}
}