ClassLoader.php

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<?php
/***************************************************************
*  Copyright notice
*
*  (c) 2009 Jochen Rau <jochen.rau@typoplanet.de>
*  All rights reserved
*
*  This class is a backport of the corresponding class of FLOW3.
*  All credits go to the v5 team.
*
*  This script is part of the TYPO3 project. The TYPO3 project 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 2 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*
*  This script 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.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/

/**
 * Autoloader of Extbase
 *
 * @package Extbase
 * @subpackage Utility
 * @version $Id: ClassLoader.php 1729 2009-11-25 21:37:20Z stucki $
 */
class Tx_Extbase_Utility_ClassLoader {

    /**
     * Loads php files containing classes or interfaces found in the classes directory of
     * an extension.
     *
     * @param string $className: Name of the class/interface to load
     * @uses t3lib_extMgm::extPath()
     * @return void
     */
    static public function loadClass($className) {
        $classNameParts = explode('_', $className, 3);
        $extensionKey = t3lib_div::camelCaseToLowerCaseUnderscored($classNameParts[1]);
        if (t3lib_extMgm::isLoaded($extensionKey)) {
            $classFilePathAndName = t3lib_extMgm::extPath($extensionKey) . 'Classes/' . strtr($classNameParts[2], '_', '/') . '.php';
            if (file_exists($classFilePathAndName)) {
                require_once($classFilePathAndName);
            }
        }
    }

}
?>