[Solved]XML downloadfile

toho71

How can I wait to the file is completely downloaded and then read the file.
i have tried this code but it doesn't do what I was hopeing for.

@void MainWindow::test()
{

manager = new QNetworkAccessManager(this);
reply = manager->get(QNetworkRequest(QUrl("http://www.w3schools.com/xml/simple.xml")));
connect(reply,SIGNAL(finished()),SLOT(downloaded()));

QXmlStreamReader reader( reply);
int i=0;
while (!reader.atEnd() && !reader.hasError())
{
if (reader.isStartElement())// && xml_stream.name() =="description")
ui->textBrowser->append( QString::number(reader.lineNumber())
+ ":" + reader.readElementText());

    reader.readNext();
    i++;
}

qDebug() << i;
}

void MainWindow::downloaded()
{
QFile file("C:/testprojekt/filesXML/myTest.xml");
file.open(QIODevice::WriteOnly);
file.write(reply->readAll());
file.close();
reply->waitForReadyRead(1000);
}@

JohanSolo

You have to put your parser in the downloaded slot as well if you really want to read the file once it's written.

Get inspiration from here and [there])http://developer.qt.nokia.com/forums/viewthread/7425)

I coded something similar to what (I guess) you want to achieve:

void FileFetcher::setUrl( const QString& url )
{
  Reply = Mgr -> get( QNetworkRequest( QUrl( url ) ) ); 
  connect( Reply, SIGNAL( finished() ), this, SLOT( downloaded() ) ); 
}

QIODevice * FileFetcher::networkReply() const
{
  return Reply;
}

void FileFetcher::downloaded()
{
emit( fileFetched( Reply -> error() );
}

and I have another class which listens to the fileFetched signal:

RequestMgr::RequestMgr( /* ... */ )
{
/*
...
*/
 connect( Fetcher, SIGNAL( fileFetched( QNetworkReply::NetworkError ) ),
    this, SLOT( readText( QNetworkReply::NetworkError ) ) );
}

void RequestMgr::readText( const QNetworkReply::NetworkError& statut )
{
  if ( statut != QNetworkReply::NoError )
    {
      cerr << "An error occured while getting the file : "
    << statut << endl;
      return;
    }
  
    cout << "No problem in getting file" << endl;
  
  QIODevice * infos = Fetcher -> networkReply(); //
  
  XmlStreamReader * parser = new XmlStreamReader( infos );

/*
do whatever you want with the parser
*/
}

NB : I have a more complex class structure than what I presented here (moreover I had to translate variables and class names), this is not guaranteed to be 100% correct.

toho71

I'll try this and thank you again

Works fine