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142 lines
4.5 KiB
142 lines
4.5 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtNetwork module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QABSTRACTETWORKCACHE_H
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#define QABSTRACTETWORKCACHE_H
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#include <QtCore/qobject.h>
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#include <QtCore/qshareddata.h>
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#include <QtCore/qpair.h>
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#include <QtNetwork/qnetworkrequest.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Network)
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class QIODevice;
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class QDateTime;
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class QUrl;
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template<class T> class QList;
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class QNetworkCacheMetaDataPrivate;
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class Q_NETWORK_EXPORT QNetworkCacheMetaData
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{
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public:
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typedef QPair<QByteArray, QByteArray> RawHeader;
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typedef QList<RawHeader> RawHeaderList;
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typedef QHash<QNetworkRequest::Attribute, QVariant> AttributesMap;
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QNetworkCacheMetaData();
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QNetworkCacheMetaData(const QNetworkCacheMetaData &other);
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~QNetworkCacheMetaData();
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QNetworkCacheMetaData &operator=(const QNetworkCacheMetaData &other);
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bool operator==(const QNetworkCacheMetaData &other) const;
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inline bool operator!=(const QNetworkCacheMetaData &other) const
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{ return !(*this == other); }
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bool isValid() const;
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QUrl url() const;
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void setUrl(const QUrl &url);
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RawHeaderList rawHeaders() const;
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void setRawHeaders(const RawHeaderList &headers);
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QDateTime lastModified() const;
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void setLastModified(const QDateTime &dateTime);
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QDateTime expirationDate() const;
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void setExpirationDate(const QDateTime &dateTime);
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bool saveToDisk() const;
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void setSaveToDisk(bool allow);
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AttributesMap attributes() const;
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void setAttributes(const AttributesMap &attributes);
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private:
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friend class QNetworkCacheMetaDataPrivate;
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QSharedDataPointer<QNetworkCacheMetaDataPrivate> d;
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};
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Q_NETWORK_EXPORT QDataStream &operator<<(QDataStream &, const QNetworkCacheMetaData &);
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Q_NETWORK_EXPORT QDataStream &operator>>(QDataStream &, QNetworkCacheMetaData &);
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class QAbstractNetworkCachePrivate;
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class Q_NETWORK_EXPORT QAbstractNetworkCache : public QObject
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{
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Q_OBJECT
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public:
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virtual ~QAbstractNetworkCache();
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virtual QNetworkCacheMetaData metaData(const QUrl &url) = 0;
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virtual void updateMetaData(const QNetworkCacheMetaData &metaData) = 0;
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virtual QIODevice *data(const QUrl &url) = 0;
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virtual bool remove(const QUrl &url) = 0;
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virtual qint64 cacheSize() const = 0;
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virtual QIODevice *prepare(const QNetworkCacheMetaData &metaData) = 0;
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virtual void insert(QIODevice *device) = 0;
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public Q_SLOTS:
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virtual void clear() = 0;
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protected:
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explicit QAbstractNetworkCache(QObject *parent = 0);
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QAbstractNetworkCache(QAbstractNetworkCachePrivate &dd, QObject *parent);
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private:
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Q_DECLARE_PRIVATE(QAbstractNetworkCache)
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Q_DISABLE_COPY(QAbstractNetworkCache)
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif
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