TaskTypeRegistry.php

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<?php
namespace TYPO3\CMS\Core\Resource\Processing;

class TaskTypeRegistry implements \TYPO3\CMS\Core\SingletonInterface {

    protected $registeredTaskTypes = array();

    public function __construct() {
        $this->registeredTaskTypes = $GLOBALS['TYPO3_CONF_VARS']['SYS']['fal']['processingTaskTypes'];
    }

    protected function getClassForTaskType($taskType) {
        return isset($this->registeredTaskTypes[$taskType]) ? $this->registeredTaskTypes[$taskType] : NULL;
    }

    public function getTaskForType($taskType, \TYPO3\CMS\Core\Resource\ProcessedFile $processedFile, array $processingConfiguration) {
        $taskClass = $this->getClassForTaskType($taskType);
        if ($taskClass === NULL) {
            throw new \RuntimeException('Unknown processing task "' . $taskType . '"');
        }

        return \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance($taskClass,
            $processedFile, $processingConfiguration
        );
    }
}