private void prepare(
DownloadCheckPoint downloadCheckPoint, DownloadFileRequest downloadFileRequest)
throws IOException {
downloadCheckPoint.magic = DownloadCheckPoint.DOWNLOAD_MAGIC;
downloadCheckPoint.downloadFile = downloadFileRequest.getDownloadFile();
downloadCheckPoint.bucketName = downloadFileRequest.getBucketName();
downloadCheckPoint.objectKey = downloadFileRequest.getKey();
downloadCheckPoint.objectStat =
ObjectStat.getFileStat(
objectOperation, downloadCheckPoint.bucketName, downloadCheckPoint.objectKey);
downloadCheckPoint.downloadParts =
splitFile(downloadCheckPoint.objectStat.size, downloadFileRequest.getPartSize());
createFixedFile(downloadFileRequest.getDownloadFile(), downloadCheckPoint.objectStat.size);
}
