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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* XML format exporter class to file storage
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*
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* @package core_dtl
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* @copyright 2008 Andrei Bautu
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* XML format exporter class to file storage.
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*/
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class file_xml_database_exporter extends xml_database_exporter {
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/** @var string Path to the XML data file. */
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protected $filepath;
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/** @var resource File descriptor for the output file. */
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protected $file;
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/**
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* Object constructor.
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*
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* @param string $filepath - path to the XML data file. Use 'php://output' for PHP
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* output stream.
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* @param moodle_database $mdb Connection to the source database
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* @see xml_database_exporter::__construct()
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* @param boolean $check_schema - whether or not to check that XML database
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* @see xml_database_exporter::__construct()
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*/
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public function __construct($filepath, moodle_database $mdb, $check_schema=true) {
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parent::__construct($mdb, $check_schema);
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$this->filepath = $filepath;
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}
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/**
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* Specific output method for the file XML sink.
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* @param string $text
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*/
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protected function output($text) {
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fwrite($this->file, $text);
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}
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/**
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* Specific implementation for file exporting the database: it opens output stream, calls
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* superclass @see database_exporter::export_database() and closes output stream.
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*
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* @throws dbtransfer_exception if any checking (e.g. database schema) fails
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*
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* @param string $description a user description of the data.
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*/
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public function export_database($description=null) {
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global $CFG;
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// TODO: add exception if file creation fails
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$this->file = fopen($this->filepath, 'wb');
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parent::export_database($description);
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fclose($this->file);
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@chmod($this->filepath, $CFG->filepermissions);
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}
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}
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