public function handle($file)
    {
        if (!$mime = $this->getMimeForEmit($file->getExtension())) {
            return $file;
        }
        if (!$file_loc = $file->getLocation()) {
            return $file;
        }
        $file->setMime($mime);
        $file->setFound();
        $fp   = fopen($file_loc, 'r');
        $file->setResource($fp);

        return $file;
    }