diff options
Diffstat (limited to 'src/network/access/qfilenetworkreply.cpp')
| -rw-r--r-- | src/network/access/qfilenetworkreply.cpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/network/access/qfilenetworkreply.cpp b/src/network/access/qfilenetworkreply.cpp new file mode 100644 index 0000000..c878980 --- /dev/null +++ b/src/network/access/qfilenetworkreply.cpp @@ -0,0 +1,205 @@ +/**************************************************************************** +** +** 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.name(), 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" + |