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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qnetworkaccessdatabackend_p.h"
#include "qnetworkrequest.h"
#include "qnetworkreply.h"
#include "qurlinfo.h"
#include "private/qdataurl_p.h"
QT_BEGIN_NAMESPACE
QNetworkAccessBackend *
QNetworkAccessDataBackendFactory::create(QNetworkAccessManager::Operation,
const QNetworkRequest &request) const
{
if (request.url().scheme() == QLatin1String("data"))
return new QNetworkAccessDataBackend;
return 0;
}
QNetworkAccessDataBackend::QNetworkAccessDataBackend()
{
}
QNetworkAccessDataBackend::~QNetworkAccessDataBackend()
{
}
void QNetworkAccessDataBackend::open()
{
QUrl uri = request().url();
if (operation() != QNetworkAccessManager::GetOperation &&
operation() != QNetworkAccessManager::HeadOperation) {
// data: doesn't support anything but GET
QString msg = QObject::tr("Operation not supported on %1")
.arg(uri.toString());
error(QNetworkReply::ContentOperationNotPermittedError, msg);
finished();
return;
}
QPair<QString, QByteArray> decoded = qDecodeDataUrl(uri);
if (! decoded.first.isNull()) {
setHeader(QNetworkRequest::ContentTypeHeader, decoded.first);
setHeader(QNetworkRequest::ContentLengthHeader, decoded.second.size());
emit metaDataChanged();
QByteDataBuffer list;
list.append(decoded.second);
decoded.second.clear(); // important because of implicit sharing!
writeDownstreamData(list);
finished();
return;
}
// something wrong with this URI
QString msg = QObject::tr("Invalid URI: %1").arg(uri.toString());
error(QNetworkReply::ProtocolFailure, msg);
finished();
}
void QNetworkAccessDataBackend::closeDownstreamChannel()
{
}
void QNetworkAccessDataBackend::closeUpstreamChannel()
{
}
bool QNetworkAccessDataBackend::waitForDownstreamReadyRead(int)
{
return false;
}
bool QNetworkAccessDataBackend::waitForUpstreamBytesWritten(int)
{
return false;
}
QT_END_NAMESPACE
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