コード例 #1
0
void QGeoMapReplyNokia::networkFinished()
{
    if (!m_reply)
        return;

    if (m_reply->error() != QNetworkReply::NoError)
        return;

    QVariant fromCache = m_reply->attribute(QNetworkRequest::SourceIsFromCacheAttribute);
    setCached(fromCache.toBool());

    if (!isCached()) {
        QAbstractNetworkCache *cache = m_reply->manager()->cache();
        if (cache) {
            QNetworkCacheMetaData metaData = cache->metaData(m_reply->url());
            QDateTime exp = QDateTime::currentDateTime();
            exp = exp.addDays(14);
            metaData.setExpirationDate(exp);
            cache->updateMetaData(metaData);
        }
    }

    setMapImageData(m_reply->readAll());
    setMapImageFormat("PNG");
    setFinished(true);

    m_reply->deleteLater();
    m_reply = 0;
}
コード例 #2
0
void QNetworkAccessHttpBackend::replyHeaderChanged()
{
    // reconstruct the HTTP header
    QList<QPair<QByteArray, QByteArray> > headerMap = httpReply->header();
    QList<QPair<QByteArray, QByteArray> >::ConstIterator it = headerMap.constBegin(),
                                                        end = headerMap.constEnd();
    QByteArray header;

    for (; it != end; ++it) {
        QByteArray value = rawHeader(it->first);
        if (!value.isEmpty()) {
            if (it->first.toLower() == "set-cookie")
                value += "\n";
            else
                value += ", ";
        }
        value += it->second;
        setRawHeader(it->first, value);
    }

    setAttribute(QNetworkRequest::HttpStatusCodeAttribute, httpReply->statusCode());
    setAttribute(QNetworkRequest::HttpReasonPhraseAttribute, httpReply->reasonPhrase());

    // is it a redirection?
    const int statusCode = httpReply->statusCode();
    checkForRedirect(statusCode);

    if (statusCode >= 500 && statusCode < 600) {
        QAbstractNetworkCache *nc = networkCache();
        if (nc) {
            QNetworkCacheMetaData metaData = nc->metaData(url());
            QNetworkHeadersPrivate cacheHeaders;
            cacheHeaders.setAllRawHeaders(metaData.rawHeaders());
            QNetworkHeadersPrivate::RawHeadersList::ConstIterator it;
            it = cacheHeaders.findRawHeader("Cache-Control");
            bool mustReValidate = false;
            if (it != cacheHeaders.rawHeaders.constEnd()) {
                QHash<QByteArray, QByteArray> cacheControl = parseHttpOptionHeader(it->second);
                if (cacheControl.contains("must-revalidate"))
                    mustReValidate = true;
            }
            if (!mustReValidate && sendCacheContents(metaData))
                return;
        }
    }

    if (statusCode == 304) {
#if defined(QNETWORKACCESSHTTPBACKEND_DEBUG)
        qDebug() << "Received a 304 from" << url();
#endif
        QAbstractNetworkCache *nc = networkCache();
        if (nc) {
            QNetworkCacheMetaData oldMetaData = nc->metaData(url());
            QNetworkCacheMetaData metaData = fetchCacheMetaData(oldMetaData);
            if (oldMetaData != metaData)
                nc->updateMetaData(metaData);
            if (sendCacheContents(metaData))
                return;
        }
    }


    if (statusCode != 304 && statusCode != 303) {
        if (!isCachingEnabled())
            setCachingEnabled(true);
    }
    metaDataChanged();
}