1 #ifndef DATATRANSFERER_H

     2 #define DATATRANSFERER_H

     3 

     4 #include <QObject>

     5 #include <QString>

     6 #include <QNetworkReply>

     7 #include <QNetworkAccessManager>

     8 #include <QTcpSocket>

     9 #include <QHttp>

    10 #include <QDebug>

    11 

    12 // Interface-class for data transferring object

    13 

    14 class DataTransferer : public QObject

    15 {

    16     Q_OBJECT

    17 public:

    18     explicit DataTransferer(QObject *parent = 0);

    19     virtual ~DataTransferer() {

    20         if (m_dataTransferOngoing) {

    21             qDebug("BearerEx Warning: dataobjects transfer was ongoing when destroyed.");

    22         }

    23     }

    24     virtual bool transferData() = 0;

    25     bool dataTransferOngoing();

    26 

    27 signals:

    28     void finished(quint32 errorCode, qint64 dataReceived, QString errorType);

    29 

    30 public slots:

    31 

    32 protected:

    33     bool m_dataTransferOngoing;

    34 };

    35 

    36 

    37 // Specializations/concrete classes

    38 

    39 class DataTransfererQTcp : public DataTransferer

    40 {

    41     Q_OBJECT

    42 public:

    43     DataTransfererQTcp(QObject* parent = 0);

    44     ~DataTransfererQTcp();

    45 

    46     virtual bool transferData();

    47 

    48 public slots:

    49     void readyRead();

    50     void error(QAbstractSocket::SocketError socketError);

    51     void connected();

    52 

    53 private:

    54     QTcpSocket m_qsocket;

    55 };

    56 

    57 class DataTransfererQNam : public DataTransferer

    58 {

    59     Q_OBJECT

    60 public:

    61     DataTransfererQNam(QObject* parent = 0);

    62     ~DataTransfererQNam();

    63 

    64     virtual bool transferData();

    65 

    66 public slots:

    67     void replyFinished(QNetworkReply* reply);

    68 

    69 private:

    70     QNetworkAccessManager m_qnam;

    71 };

    72 

    73 class DataTransfererQHttp : public DataTransferer

    74 {

    75     Q_OBJECT

    76 public:

    77     DataTransfererQHttp(QObject* parent = 0);

    78     ~DataTransfererQHttp();

    79 

    80     virtual bool transferData();

    81 

    82 public slots:

    83     void done(bool error);

    84 

    85 private:

    86     QHttp m_qhttp;

    87 };

    88 

    89 #endif // DATATRANSFERER_H