Class type to return attributes

attribute.h

/*

*   Copyright 2010 by XXXX XXXX <[email protected]>
*
*   This program is free software; you can redistribute it and/or modify
*   it under the terms of the GNU Library General Public License as
*   published by the Free Software Foundation; either version 2, or
*   (at your option) any later version.
*
*   This program is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*   GNU General Public License for more details
*
*   You should have received a copy of the GNU Library General Public
*   License along with this program; if not, write to the
*   Free Software Foundation, Inc.,
*   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#ifndef ATTRIBUTE_H

#define ATTRIBUTE_H

#include <QtCore/QObject>

#include <kdemacros.h>

class MediaWiki; class QNetworkReply;

class KDE_EXPORT Attribute : public QObject {

   Q_OBJECT

public:

   /**
       @brief Create an instance of Attribute and send a request.
       @param media
       @param parent
   */
   explicit Attribute( MediaWiki const & media, /*Put attributes here*/ QObject * parent = 0 );

   /**
       @brief Destroy the AttributePrivate pointer.
   */
   virtual ~Attribute();

signals:

   /**
       @brief Emitted when a request has been completed.
       @param success true if the request was completed successfully.
    */
   void finished( bool );

public slots:

   /**
       @brief Aborts the currently running request.
    */
   void abort();

private slots:

   /**
       @brief Reads the xml and build results
       @param reply
    */
   void onFinished( QNetworkReply *reply );

private:

   struct AttributePrivate * const d;

};

#endif // ATTRIBUTE_H

attribute.cpp

/*

*   Copyright 2010 by XXXX XXXX <[email protected]>
*
*   This program is free software; you can redistribute it and/or modify
*   it under the terms of the GNU Library General Public License as
*   published by the Free Software Foundation; either version 2, or
*   (at your option) any later version.
*
*   This program is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*   GNU General Public License for more details
*
*   You should have received a copy of the GNU Library General Public
*   License along with this program; if not, write to the
*   Free Software Foundation, Inc.,
*   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#include <QtNetwork/QNetworkAccessManager>

#include <QtNetwork/QNetworkRequest>

#include <QtNetwork/QNetworkReply>

#include <QtCore/QXmlStreamReader>

#include <QtCore/QTimer>

#include <QtCore/QDebug>

#include "attribute.h"

struct AttributePrivate {

   QNetworkAccessManager *manager;
   QNetworkReply *reply;
   QUrl apiUrl;
   /*Put attributes here*/

};

Attribute::Attribute( MediaWiki const & media, /*Put attributes here*/, QObject * parent )

   : QObject( parent )
   , d( new AttributePrivate )

{

   d->apiUrl = media.url();
   QUrl url = d->apiUrl;

   url.addQueryItem( QString("action"), QString("query") );

   // Set the request
   QNetworkRequest request( url );
   request.setRawHeader( "User-Agent", "mediawiki-silk" );
   // Send the request
   d->manager = new QNetworkAccessManager( this );

   connect( d->manager, SIGNAL( onFinished( QNetworkReply* ) ), this, SLOT( onFinished( QNetworkReply * ) ) );
   d->reply = d->manager->get( request );
   QTimer::singleShot( 30 * 1000, this, SLOT( abort() ) );

}

Attribute::~Attribute() {

   delete d;

}

void Attribute::abort() {

   qDebug() << "abort";
   if ( !d->reply )
       return;

   d->reply->abort();
   d->reply = 0;

}

void Attribute::onFinished( QNetworkReply *reply ) {

   if ( reply->error() != QNetworkReply::NoError )
   {
       qDebug() << "Request failed, " << reply->errorString();
       emit onFinished( false );
       return;
   }

   QXmlStreamReader reader( reply );

   while ( !reader.atEnd() && !reader.hasError() )
   {
       QXmlStreamReader::TokenType token = reader.readNext();
       if ( token == QXmlStreamReader::StartElement )
       {
           if ( reader.name() == QString( "goodName" ) )
           {
               QXmlStreamAttributes attrs = reader.attributes();
               if ( attrs.value( QString( "result" ) ).toString() == "goodResult" )
               {
                   qDebug() << "Request succed, " << reply->errorString();
                   d->lgtoken = attrs.value( QString( "result" ) ).toString() ;
                   emit onFinished( true );
               }
           }
       }
       else if ( token == QXmlStreamReader::Invalid )
           emit onFinished( false );
   }

}