public function getContainedFiles()
    {
        if ($this->isDir()) {
            $files = array();
            $basePath = rtrim($this->_realpath, DIRECTORY_SEPARATOR);
            foreach (scandir($this->_realpath) as $fileName) {
                if (!in_array($fileName, array('.','..'))) {
                    $files[] = new File($basePath.DIRECTORY_SEPARATOR.$fileName);
                }
            }

            return $files;
        }

        return false;
    }