source: trunk/src/network/access/qnetworkaccessfilebackend.cpp@ 774

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#include "qnetworkaccessfilebackend_p.h"
#include "qfileinfo.h"
#include "qurlinfo.h"
#include "qdir.h"
#include "private/qnoncontiguousbytedevice_p.h"

#include <QtCore/QCoreApplication>

QT_BEGIN_NAMESPACE

QNetworkAccessBackend *
QNetworkAccessFileBackendFactory::create(QNetworkAccessManager::Operation op,
                                         const QNetworkRequest &request) const
{
    // is it an operation we know of?
    switch (op) {
    case QNetworkAccessManager::GetOperation:
    case QNetworkAccessManager::PutOperation:
        break;

    default:
        // no, we can't handle this operation
        return 0;
    }

    QUrl url = request.url();
    if (url.scheme() == QLatin1String("qrc") || !url.toLocalFile().isEmpty())
        return new QNetworkAccessFileBackend;
    else if (!url.isEmpty() && url.authority().isEmpty()) {
        // check if QFile could, in theory, open this URL
        QFileInfo fi(url.toString(QUrl::RemoveAuthority | QUrl::RemoveFragment | QUrl::RemoveQuery));
        if (fi.exists() || (op == QNetworkAccessManager::PutOperation && fi.dir().exists()))
            return new QNetworkAccessFileBackend;
    }

    return 0;
}

QNetworkAccessFileBackend::QNetworkAccessFileBackend()
    : uploadByteDevice(0), totalBytes(0), hasUploadFinished(false)
{
}