/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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

**

** This file is part of the QtNetwork module of the Qt Toolkit.

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** No Commercial Usage

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

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

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

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

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

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

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

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

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** $QT_END_LICENSE$

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****************************************************************************/

#include "qhttpnetworkheader_p.h"

#ifndef QT_NO_HTTP

QT_BEGIN_NAMESPACE

QHttpNetworkHeaderPrivate::QHttpNetworkHeaderPrivate(const QUrl &newUrl)

    :url(newUrl)

{

}

QHttpNetworkHeaderPrivate::QHttpNetworkHeaderPrivate(const QHttpNetworkHeaderPrivate &other)

    :QSharedData(other)

{

    url = other.url;

    fields = other.fields;

}

qint64 QHttpNetworkHeaderPrivate::contentLength() const

{

    bool ok = false;

    QByteArray value = headerField("content-length");

    qint64 length = value.toULongLong(&ok);

    if (ok)

        return length;

    return -1; // the header field is not set

}

void QHttpNetworkHeaderPrivate::setContentLength(qint64 length)

{

    setHeaderField("Content-Length", QByteArray::number(length));

}

QByteArray QHttpNetworkHeaderPrivate::headerField(const QByteArray &name, const QByteArray &defaultValue) const

{

    QList<QByteArray> allValues = headerFieldValues(name);

    if (allValues.isEmpty())

        return defaultValue;

    QByteArray result;

    bool first = true;

    foreach (const QByteArray &value, allValues) {

        if (!first)

            result += ", ";

        first = false;

        result += value;

    }

    return result;

}

QList<QByteArray> QHttpNetworkHeaderPrivate::headerFieldValues(const QByteArray &name) const

{

    QList<QByteArray> result;

    QList<QPair<QByteArray, QByteArray> >::ConstIterator it = fields.constBegin(),

                                                        end = fields.constEnd();

    for ( ; it != end; ++it)

        if (qstricmp(name.constData(), it->first) == 0)

            result += it->second;

    return result;

}

void QHttpNetworkHeaderPrivate::setHeaderField(const QByteArray &name, const QByteArray &data)

{

    QList<QPair<QByteArray, QByteArray> >::Iterator it = fields.begin();

    while (it != fields.end()) {

        if (qstricmp(name.constData(), it->first) == 0)

            it = fields.erase(it);

        else

            ++it;

    }

    fields.append(qMakePair(name, data));

}

bool QHttpNetworkHeaderPrivate::operator==(const QHttpNetworkHeaderPrivate &other) const

{

   return (url == other.url);

}

QT_END_NAMESPACE

#endif