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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTNETWORKCACHE_H
#define QABSTRACTNETWORKCACHE_H
#include <QtNetwork/qtnetworkglobal.h>
#include <QtCore/qobject.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qpair.h>
#include <QtNetwork/qnetworkrequest.h>
QT_BEGIN_NAMESPACE
class QIODevice;
class QDateTime;
class QUrl;
template<class T> class QList;
class QNetworkCacheMetaDataPrivate;
class Q_NETWORK_EXPORT QNetworkCacheMetaData
{
public:
typedef QPair<QByteArray, QByteArray> RawHeader;
typedef QList<RawHeader> RawHeaderList;
typedef QHash<QNetworkRequest::Attribute, QVariant> AttributesMap;
QNetworkCacheMetaData();
QNetworkCacheMetaData(const QNetworkCacheMetaData &other);
~QNetworkCacheMetaData();
#ifdef Q_COMPILER_RVALUE_REFS
QNetworkCacheMetaData &operator=(QNetworkCacheMetaData &&other) Q_DECL_NOTHROW { swap(other); return *this; }
#endif
QNetworkCacheMetaData &operator=(const QNetworkCacheMetaData &other);
void swap(QNetworkCacheMetaData &other) Q_DECL_NOTHROW
{ qSwap(d, other.d); }
bool operator==(const QNetworkCacheMetaData &other) const;
inline bool operator!=(const QNetworkCacheMetaData &other) const
{ return !(*this == other); }
bool isValid() const;
QUrl url() const;
void setUrl(const QUrl &url);
RawHeaderList rawHeaders() const;
void setRawHeaders(const RawHeaderList &headers);
QDateTime lastModified() const;
void setLastModified(const QDateTime &dateTime);
QDateTime expirationDate() const;
void setExpirationDate(const QDateTime &dateTime);
bool saveToDisk() const;
void setSaveToDisk(bool allow);
AttributesMap attributes() const;
void setAttributes(const AttributesMap &attributes);
private:
friend class QNetworkCacheMetaDataPrivate;
QSharedDataPointer<QNetworkCacheMetaDataPrivate> d;
};
Q_DECLARE_SHARED(QNetworkCacheMetaData)
Q_NETWORK_EXPORT QDataStream &operator<<(QDataStream &, const QNetworkCacheMetaData &);
Q_NETWORK_EXPORT QDataStream &operator>>(QDataStream &, QNetworkCacheMetaData &);
class QAbstractNetworkCachePrivate;
class Q_NETWORK_EXPORT QAbstractNetworkCache : public QObject
{
Q_OBJECT
public:
virtual ~QAbstractNetworkCache();
virtual QNetworkCacheMetaData metaData(const QUrl &url) = 0;
virtual void updateMetaData(const QNetworkCacheMetaData &metaData) = 0;
virtual QIODevice *data(const QUrl &url) = 0;
virtual bool remove(const QUrl &url) = 0;
virtual qint64 cacheSize() const = 0;
virtual QIODevice *prepare(const QNetworkCacheMetaData &metaData) = 0;
virtual void insert(QIODevice *device) = 0;
public Q_SLOTS:
virtual void clear() = 0;
protected:
explicit QAbstractNetworkCache(QObject *parent = nullptr);
QAbstractNetworkCache(QAbstractNetworkCachePrivate &dd, QObject *parent);
private:
Q_DECLARE_PRIVATE(QAbstractNetworkCache)
Q_DISABLE_COPY(QAbstractNetworkCache)
};
QT_END_NAMESPACE
#endif
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