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/****************************************************************************
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** Copyright (C) 2009 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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** This file is part of the documentation of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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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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** 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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** 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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****************************************************************************/
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QNetworkAccessManager *manager = new QNetworkAccessManager(this);
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QNetworkDiskCache *diskCache = new QNetworkDiskCache(this);
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diskCache->setCacheDirectory("cacheDir");
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manager->setCache(diskCache);
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// do a normal request (preferred from network, as this is the default)
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QNetworkRequest request(QUrl(QString("http://qt.nokia.com")));
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manager->get(request);
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// do a request preferred from cache
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QNetworkRequest request2(QUrl(QString("http://qt.nokia.com")));
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request2.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
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manager->get(request2);
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void replyFinished(QNetworkReply *reply) {
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QVariant fromCache = reply->attribute(QNetworkRequest::SourceIsFromCacheAttribute);
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qDebug() << "page from cache?" << fromCache.toBool();