public function getContent($file)
    {
        /** @var \TeaminmediasPluswerk\KeSearch\Utility\OoxmlConversion $reader */
        $reader = GeneralUtility::makeInstance(\TeaminmediasPluswerk\KeSearch\Utility\OoxmlConversion::class, $file);

        try {
            return trim($reader->convertToText());
        } catch (\Exception $e) {
            $this->pObj->logger->error($e->getMessage());
        }
    }