typo3/sysext/extensionmanager/Classes/Utility/Importer/MirrorListUtility.php

   1 <?php
   2 namespace TYPO3\CMS\Extensionmanager\Utility\Importer;
   3
   4 /***************************************************************
   5  *  Copyright notice
   6  *
   7  *  (c) 2010 Marcus Krause <marcus#exp2010@t3sec.info>
   8  *                 Steffen Kamper <info@sk-typo3.de>
   9  *  All rights reserved
  10  *
  11  *  This script is part of the TYPO3 project. The TYPO3 project is
  12  *  free software; you can redistribute it and/or modify
  13  *  it under the terms of the GNU General Public License as published by
  14  *  the Free Software Foundation; either version 2 of the License, or
  15  *  (at your option) any later version.
  16  *
  17  *  The GNU General Public License can be found at
  18  *  http://www.gnu.org/copyleft/gpl.html.
  19  *
  20  *  This script is distributed in the hope that it will be useful,
  21  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  *  GNU General Public License for more details.
  24  *
  25  *  This copyright notice MUST APPEAR in all copies of the script!
  26  ***************************************************************/
  27 /**
  28  * Module: Extension manager - Mirror list importer
  29  *
  30  * @author Marcus Krause <marcus#exp2010@t3sec.info>
  31  * @author Steffen Kamper <info@sk-typo3.de>
  32  */
  33 /**
  34  * Importer object for mirror list.
  35  *
  36  * @author Marcus Krause <marcus#exp2010@t3sec.info>
  37  * @author Steffen Kamper <info@sk-typo3.de>
  38  * @since 2010-02-10
  39  * @package Extension Manager
  40  * @subpackage Utility/Importer
  41  */
  42 class MirrorListUtility implements SplObserver {
  43
  44         /**
  45          * Keeps instance of a XML parser.
  46          *
  47          * @var \TYPO3\CMS\Extensionmanager\Utility\Parser\MirrorXmlAbstractParser
  48          */
  49         protected $parser;
  50
  51         /**
  52          * Keeps mirrors' details.
  53          *
  54          * @var array
  55          */
  56         protected $arrTmpMirrors = array();
  57
  58         /**
  59          * Class constructor.
  60          *
  61          * Method retrieves and initializes extension XML parser instance.
  62          *
  63          * @throws tx_em_XmlException
  64          */
  65         public function __construct() {
  66                 // TODO catch parser exception
  67                 $this->parser = \TYPO3\CMS\Extensionmanager\Utility\Parser\XmlParserFactory::getParserInstance('mirror');
  68                 if (is_object($this->parser)) {
  69                         $this->parser->attach($this);
  70                 } else {
  71                         throw new \TYPO3\CMS\Extensionmanager\Exception\ExtensionManagerException(get_class($this) . ': No XML parser available.', 1342640390);
  72                 }
  73         }
  74
  75         /**
  76          * Method collects mirrors' details and returns instance of
  77          * Tx_Extensionmanager_Domain_Model_Mirrors with retrieved details.
  78          *
  79          * @param string $localMirrorListFile absolute path to local mirror xml.gz file
  80          * @return \TYPO3\CMS\Extensionmanager\Domain\Model\Mirrors
  81          */
  82         public function getMirrors($localMirrorListFile) {
  83                 $zlibStream = 'compress.zlib://';
  84                 $this->parser->parseXml($zlibStream . $localMirrorListFile);
  85                 /** @var $objRepositoryMirrors \TYPO3\CMS\Extensionmanager\Domain\Model\Mirrors */
  86                 $objRepositoryMirrors = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Extensionmanager\\Domain\\Model\\Mirrors');
  87                 $objRepositoryMirrors->setMirrors($this->arrTmpMirrors);
  88                 $this->arrTmpMirrors = array();
  89                 return $objRepositoryMirrors;
  90         }
  91
  92         /**
  93          * Method receives an update from a subject.
  94          *
  95          * @param SplSubject $subject a subject notifying this observer
  96          * @return void
  97          */
  98         public function update(\SplSubject $subject) {
  99                 // TODO mirrorxml_abstract_parser
 100                 if (is_subclass_of($subject, 'TYPO3\\CMS\\Extensionmanager\\Utility\\Parser\\XmlAbstractParser')) {
 101                         $this->arrTmpMirrors[] = $subject->getAll();
 102                 }
 103         }
 104
 105 }
 106
 107
 108 ?>