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mainwindow.cpp
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mainwindow.cpp
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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <iostream>
#include <QNetworkAccessManager>
#include <QtNetwork\QNetworkRequest>
#include <QtNetwork\QNetworkReply>
#include "highlighter.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
}
MainWindow::~MainWindow()
{
delete ui;
}
QString getResponeHeaders(QNetworkReply *reply)
{
QString headers("<br><strong>Code</strong> : "+ reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toString() +"<br>");
foreach(const QNetworkReply::RawHeaderPair& rawHeaderPair, reply->rawHeaderPairs())
{
headers.append("<br><strong>"+ rawHeaderPair.first +"</strong> : " + rawHeaderPair.second +"<br>");
}
return headers;
}
void MainWindow::on_pushButton_clicked()
{
// create custom temporary event loop on stack
QEventLoop eventLoop;
// "quit()" the event-loop, when the network request "finished()"
QNetworkAccessManager mgr;
QObject::connect(&mgr, SIGNAL(finished(QNetworkReply*)), &eventLoop, SLOT(quit()));
// the HTTP request
QNetworkRequest req( QUrl( QString(ui->txtQuery->text()) ) );
QNetworkReply *reply = mgr.get(req);
eventLoop.exec(); // blocks stack until "finished()" has been called
Highlighter *highlighter = new Highlighter(ui->txtResponseHighlight->document());
if (reply->error() == QNetworkReply::NoError) {
//success
QByteArray data = reply->readAll();
ui->txtHeaders->appendHtml(getResponeHeaders(reply));
ui->txtResponseRaw->appendPlainText(data);
ui->txtResponseHighlight->setPlainText(data);
ui->txtPreview->appendHtml(data);
delete reply;
}
else
{
//failure
qDebug() << "Failure" <<reply->errorString();
delete reply;
}
}