Method getDownloads

launcher/minecraft/Library.cpp:82–239

}

QList<NetAction::Ptr> Library::getDownloads(
    const RuntimeContext & runtimeContext,
    class HttpMetaCache* cache,
    QStringList& failedLocalFiles,
    const QString & overridePath
) const
{
    QList<NetAction::Ptr> out;
    bool stale = isAlwaysStale();
    bool local = isLocal();

    auto check_local_file = [&](QString storage)
    {
        QFileInfo fileinfo(storage);
        QString fileName = fileinfo.fileName();
        auto fullPath = FS::PathCombine(overridePath, fileName);
        QFileInfo localFileInfo(fullPath);
        if(!localFileInfo.exists())
        {
            failedLocalFiles.append(localFileInfo.filePath());
            return false;
        }
        return true;
    };

    auto add_download = [&](QString storage, QString url, QString sha1)
    {
        if(local)
        {
            return check_local_file(storage);
        }
        auto entry = cache->resolveEntry("libraries", storage);
        if(stale)
        {
            entry->setStale(true);
        }
        if (!entry->isStale())
            return true;
        Net::Download::Options options;
        if(stale)
        {
            options |= Net::Download::Option::AcceptLocalFiles;
        }

        // Don't add a time limit for the libraries cache entry validity
        options |= Net::Download::Option::MakeEternal;

        if(sha1.size())
        {
            auto rawSha1 = QByteArray::fromHex(sha1.toLatin1());
            auto dl = Net::Download::makeCached(url, entry, options);
            dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, rawSha1));
            qDebug() << "Checksummed Download for:" << rawName().serialize() << "storage:" << storage << "url:" << url;
            out.append(dl);
        }
        else
        {
            out.append(Net::Download::makeCached(url, entry, options));