lib/dtl/file_xml_database_importer.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18
  19 /**
  20  * XML format importer class from file storage
  21  *
  22  * @package    core
  23  * @subpackage dtl
  24  * @copyright  2008 Andrei Bautu
  25  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26  */
  27
  28 defined('MOODLE_INTERNAL') || die();
  29
  30 /**
  31  * XML format importer class from file storage.
  32  */
  33 class file_xml_database_importer extends xml_database_importer {
  34     /** Path to the XML data file. */
  35     protected $filepath;
  36
  37     /**
  38      * Object constructor.
  39      *
  40      * @param string $filepath - path to the XML data file. Use 'php://input' for PHP
  41      * input stream.
  42      * @param moodle_database $mdb Connection to the target database
  43      * @see xml_database_importer::__construct()
  44      * @param boolean $check_schema - whether or not to check that XML database
  45      * @see xml_database_importer::__construct()
  46      */
  47     public function __construct($filepath, moodle_database $mdb, $check_schema=true) {
  48         $this->filepath = $filepath;
  49         parent::__construct($mdb, $check_schema);
  50     }
  51
  52     /**
  53      * Common import method: it opens the file storage, creates the parser, feeds
  54      * the XML parser with data, releases the parser and closes the file storage.
  55      * @return void
  56      */
  57     public function import_database() {
  58         $file = fopen($this->filepath, 'r');
  59         $parser = $this->get_parser();
  60         while ($data = fread($file, 65536)) {
  61             if (!xml_parse($parser, $data, feof($file))) {
  62                 throw new dbtransfer_exception('malformedxmlexception');
  63             }
  64         }
  65         xml_parser_free($parser);
  66         fclose($file);
  67     }
  68 }