/****************************************************************************
**
** Copyright (C) 2009 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 "qfilenetworkreply_p.h"
#include "QtCore/qdatetime.h"
#include <QtCore/QCoreApplication>
#include <QtCore/QFileInfo>
QT_BEGIN_NAMESPACE
QFileNetworkReplyPrivate::QFileNetworkReplyPrivate()
: QNetworkReplyPrivate(), realFileSize(0), finished(false)
{
}
QFileNetworkReply::QFileNetworkReply(QObject *parent, const QNetworkRequest &req)
: QNetworkReply(*new QFileNetworkReplyPrivate(), parent)
{
setRequest(req);
setUrl(req.url());
setOperation(QNetworkAccessManager::GetOperation);
QMetaObject::invokeMethod(this, "_q_startOperation", Qt::QueuedConnection);
QNetworkReply::open(QIODevice::ReadOnly);
}
QFileNetworkReply::~QFileNetworkReply()
{
}
// This code is mostly inspired by QNetworkAccessFileBackend
// We also use its translation context for error messages
void QFileNetworkReplyPrivate::_q_startOperation()
{
Q_Q(QFileNetworkReply);
QUrl url = q->url();
if (url.host() == QLatin1String("localhost"))
url.setHost(QString());
#if !defined(Q_OS_WIN)
// do not allow UNC paths on Unix
if (!url.host().isEmpty()) {
// we handle only local files
QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Request for opening non-local file %1").arg(url.toString());
q->setError(QNetworkReply::ProtocolInvalidOperationError, msg);
emit q->error(QNetworkReply::ProtocolInvalidOperationError);
doFinished();
return;
}
#endif
if (url.path().isEmpty())
url.setPath(QLatin1String("/"));
q->setUrl(url);
QString fileName = url.toLocalFile();
if (fileName.isEmpty()) {
fileName = url.toString(QUrl::RemoveAuthority | QUrl::RemoveFragment | QUrl::RemoveQuery);
}
realFile.setFileName(fileName);
QFileInfo fi(realFile);
if (fi.isDir()) {
QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Cannot open %1: Path is a directory").arg(url.toString());
q->setError(QNetworkReply::ContentOperationNotPermittedError, msg);
emit q->error(QNetworkReply::ContentOperationNotPermittedError);
doFinished();
return;
}
bool opened = realFile.open(QIODevice::ReadOnly | QIODevice::Unbuffered);
// could we open the file?
if (!opened) {
QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Error opening %1: %2")
.arg(realFile.fileName(), realFile.errorString());
if (realFile.exists()) {
q->setError(QNetworkReply::ContentAccessDenied, msg);
emit q->error(QNetworkReply::ContentAccessDenied);
} else {
q->setError(QNetworkReply::ContentNotFoundError, msg);
emit q->error(QNetworkReply::ContentNotFoundError);
}
doFinished();
return;
}
realFileSize = fi.size();
q->setHeader(QNetworkRequest::LastModifiedHeader, fi.lastModified());
q->setHeader(QNetworkRequest::ContentLengthHeader, realFileSize);
emit q->metaDataChanged();
emit q->downloadProgress(realFileSize, realFileSize);
emit q->readyRead();
doFinished();
}
bool QFileNetworkReplyPrivate::isFinished() const
{
return finished;
}
void QFileNetworkReplyPrivate::doFinished()
{
Q_Q(QFileNetworkReply);
finished = true;
emit q->finished();
}
void QFileNetworkReply::close()
{
Q_D(QFileNetworkReply);
QNetworkReply::close();
d->realFile.close();
if (!d->finished)
d->doFinished();
}
void QFileNetworkReply::abort()
{
Q_D(QFileNetworkReply);
QNetworkReply::close();
d->realFile.close();
if (!d->finished)
d->doFinished();
}
qint64 QFileNetworkReply::bytesAvailable() const
{
Q_D(const QFileNetworkReply);
return QNetworkReply::bytesAvailable() + d->realFile.bytesAvailable();
}
bool QFileNetworkReply::isSequential () const
{
return true;
}
qint64 QFileNetworkReply::size() const
{
Q_D(const QFileNetworkReply);
return d->realFileSize;
}
/*!
\internal
*/
qint64 QFileNetworkReply::readData(char *data, qint64 maxlen)
{
Q_D(QFileNetworkReply);
qint64 ret = d->realFile.read(data, maxlen);
if (ret == 0 && bytesAvailable() == 0)
return -1; // everything had been read
else
return ret;
}
QT_END_NAMESPACE
#include "moc_qfilenetworkreply_p.cpp"