1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include <QtNetwork/QNetworkRequest>

    43 #include <QtNetwork/QNetworkReply>

    44 

    45 #include "qiodevicedelegate_p.h"

    46 #include "quriloader_p.h"

    47 

    48 QT_BEGIN_NAMESPACE

    49 

    50 using namespace QPatternist;

    51 

    52 URILoader::URILoader(QObject *const parent,

    53                      const NamePool::Ptr &np,

    54                      const VariableLoader::Ptr &l) : QNetworkAccessManager(parent)

    55                                                    , m_variableNS(QLatin1String("tag:trolltech.com,2007:QtXmlPatterns:QIODeviceVariable:"))

    56                                                    , m_namePool(np)

    57                                                    , m_variableLoader(l)

    58 {

    59     Q_ASSERT(m_variableLoader);

    60 }

    61 

    62 QNetworkReply *URILoader::createRequest(Operation op, const QNetworkRequest &req, QIODevice *outgoingData)

    63 {

    64     const QString requestedUrl(req.url().toString());

    65 

    66     /* We got a QIODevice variable. */

    67     const QString name(requestedUrl.right(requestedUrl.length() - m_variableNS.length()));

    68 

    69     const QVariant variant(m_variableLoader->valueFor(m_namePool->allocateQName(QString(), name, QString())));

    70 

    71     if(!variant.isNull() && variant.userType() == qMetaTypeId<QIODevice *>())

    72         return new QIODeviceDelegate(qVariantValue<QIODevice *>(variant));

    73     else

    74     {

    75         /* If we're entering this code path, the variable URI identified a variable

    76          * which we don't have, which means we either have a bug, or the user had

    77          * crafted an invalid URI manually. */

    78 

    79         return QNetworkAccessManager::createRequest(op, req, outgoingData);

    80     }

    81 }

    82 

    83 QT_END_NAMESPACE

    84