OKHTTP-获取下载文件名

/**
     * 解析文件头
     * Content-Disposition:attachment;filename=FileName.txt
     * Content-Disposition: attachment; filename*="UTF-8''%E6%9B%BF%E6%8D%A2%E5%AE%9E%E9%AA%8C%E6%8A%A5%E5%91%8A.pdf"
     */
    private static String getHeaderFileName(Response response) {
        String dispositionHeader = response.header("Content-Disposition");
        if (!TextUtils.isEmpty(dispositionHeader)) {
            dispositionHeader.replace("attachment;filename=", "");
            dispositionHeader.replace("filename*=utf-8", "");
            String[] strings = dispositionHeader.split("; ");
            if (strings.length > 1) {
                dispositionHeader = strings[1].replace("filename=", "");
                dispositionHeader = dispositionHeader.replace("\"", "");
                return dispositionHeader;
            }
            return "";
        }
        return "";
    }