HeaderCollection GetObjectRequest::specialHeaders()

in sdk/src/model/GetObjectRequest.cc [156:214]
52 lines of code
14 McCabe index (conditional complexity)

HeaderCollection GetObjectRequest::specialHeaders() const
{
    auto headers = OssObjectRequest::specialHeaders();
    if (rangeIsSet_) {
        std::stringstream ss;
        ss << "bytes=" << std::to_string(range_[0]) << "-";
        if (range_[1] != -1) ss << std::to_string(range_[1]);
        headers[Http::RANGE] = ss.str();

        if (rangeIsStandardMode_) {
            headers["x-oss-range-behavior"] = "standard";
        }
    }

    if (!modifiedSince_.empty())
    {
        headers["If-Modified-Since"] = modifiedSince_;
    }

    if (!unmodifiedSince_.empty())
    {
        headers["If-Unmodified-Since"] = unmodifiedSince_;
    }

    if (matchingETags_.size() > 0) {
        std::stringstream ss;
        bool first = true;
        for (auto const& str : matchingETags_) {
            if (!first) {
                ss << ",";
            }
            ss << str;
            first = false;
        }
        headers["If-Match"] = ss.str();
    }

    if (nonmatchingETags_.size() > 0) {
        std::stringstream ss;
        bool first = true;
        for (auto const& str : nonmatchingETags_) {
            if (!first) {
                ss << ",";
            }
            ss << str;
            first = false;
        }
        headers["If-None-Match"] = ss.str();
    }

    if (trafficLimit_ != 0) {
        headers["x-oss-traffic-limit"] = std::to_string(trafficLimit_);
    }

    if (!userAgent_.empty()) {
        headers[Http::USER_AGENT] = userAgent_;
    }
    return headers;
}