XmlParserFactory.php

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<?php
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Extensionmanager\Utility\Parser;
 
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪XmlParserFactory
{
    protected static ‪$instance = [];
 
    protected static ‪$parsers = [
        'extension' => [
            ExtensionXmlPushParser::class => 'ExtensionXmlPushParser.php',
            ExtensionXmlPullParser::class => 'ExtensionXmlPullParser.php',
        ],
        'mirror' => [
            MirrorXmlPushParser::class => 'MirrorXmlPushParser.php',
            MirrorXmlPullParser::class=> 'MirrorXmlPullParser.php',
        ]
    ];
 
    public static function ‪getParserInstance($parserType, $excludeClassNames = '')
    {
        if (!isset(self::$instance[$parserType]) || !is_object(self::$instance[$parserType]) || !empty($excludeClassNames)) {
            // reset instance
            self::$instance[$parserType] = ($objParser = null);
            foreach (self::$parsers[$parserType] as $className => $file) {
                if (!GeneralUtility::inList($excludeClassNames, $className)) {
                    $objParser = GeneralUtility::makeInstance($className);
                    if ($objParser->isAvailable()) {
                        self::$instance[$parserType] = &$objParser;
                        break;
                    }
                    $objParser = null;
                }
            }
        }
        return self::$instance[$parserType];
    }
}