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#include <QApplication>

#include <QNetworkAccessManager>

#include <QNetworkProxy>

#include <QDeclarativeEngine>

#include <QDeclarativeNetworkAccessManagerFactory>

#include <QDeclarativeView>

/*

   This example illustrates using a QDeclarativeNetworkAccessManagerFactory to

   create a QNetworkAccessManager with a proxy.

   Usage:

     networkaccessmanagerfactory [-host <proxy> -port <port>] [file]

*/

static QString proxyHost;

static int proxyPort = 0;

class MyNetworkAccessManagerFactory : public QDeclarativeNetworkAccessManagerFactory

{

public:

    virtual QNetworkAccessManager *create(QObject *parent);

};

QNetworkAccessManager *MyNetworkAccessManagerFactory::create(QObject *parent)

{

    QNetworkAccessManager *nam = new QNetworkAccessManager(parent);

    if (!proxyHost.isEmpty()) {

        qDebug() << "Created QNetworkAccessManager using proxy" << (proxyHost + ":" + QString::number(proxyPort));

        QNetworkProxy proxy(QNetworkProxy::HttpCachingProxy, proxyHost, proxyPort);

        nam->setProxy(proxy);

    }

    return nam;

}

int main(int argc, char ** argv)

{

    QUrl source("qrc:view.qml");

    QApplication app(argc, argv);

    for (int i = 1; i < argc; ++i) {

        QString arg(argv[i]);

        if (arg == "-host" && i < argc-1) {

            proxyHost = argv[++i];

        } else if (arg == "-port" && i < argc-1) {

            arg = argv[++i];

            proxyPort = arg.toInt();

        } else if (arg[0] != '-') {

            source = QUrl::fromLocalFile(arg);

        } else {

            qWarning() << "Usage: networkaccessmanagerfactory [-host <proxy> -port <port>] [file]";

            exit(1);

        }

    }

    QDeclarativeView view;

    view.engine()->setNetworkAccessManagerFactory(new MyNetworkAccessManagerFactory);

    view.setSource(source);

    view.show();

    return app.exec();

}