void EncryptionSample::DownloadObjectProcess()

in sample/src/encryption/EncryptionSample.cc [161:207]
39 lines of code
4 McCabe index (conditional complexity)

void EncryptionSample::DownloadObjectProcess()
{
    //case 1: no checkpoint dir is coinfig
    {
        DownloadObjectRequest request(bucket_, "DownloadObjectProgress", Config::FileDownloadTo);

        TransferProgress progressCallback = { ProgressCallback , this };
        request.setTransferProgress(progressCallback);
        auto outcome = client->ResumableDownloadObject(request);
        if (outcome.isSuccess()) {
            std::cout << __FUNCTION__ << "[" << this << "]" << " success, ETag:" << outcome.result().Metadata().ETag() << std::endl;
        }
        else {
            PrintError(__FUNCTION__, outcome.error());
        }
    }

    //case 2: checkpoint dir is config
    {
        DownloadObjectRequest request(bucket_, "DownloadObjectProgress", Config::FileDownloadTo, Config::CheckpointDir);

        TransferProgress progressCallback = { ProgressCallback , this };
        request.setTransferProgress(progressCallback);
        auto outcome = client->ResumableDownloadObject(request);
        if (outcome.isSuccess()) {
            std::cout << __FUNCTION__ << "[" << this << "]" << " success, ETag:" << outcome.result().Metadata().ETag() << std::endl;
        }
        else {
            PrintError(__FUNCTION__, outcome.error());
        }
    }

    //case 3: checkpoint dir is config, multi threads is config
    {
        DownloadObjectRequest request(bucket_, "DownloadObjectProgress", Config::FileDownloadTo, Config::CheckpointDir, DefaultPartSize, 4);

        TransferProgress progressCallback = { ProgressCallback , this };
        request.setTransferProgress(progressCallback);
        auto outcome = client->ResumableDownloadObject(request);
        if (outcome.isSuccess()) {
            std::cout << __FUNCTION__ << "[" << this << "]" << " success, ETag:" << outcome.result().Metadata().ETag() << std::endl;
        }
        else {
            PrintError(__FUNCTION__, outcome.error());
        }
    }
}