text: // --------------------------------------------------------------------------
  //                   OpenMS -- Open-Source Mass Spectrometry
  // --------------------------------------------------------------------------
  // Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
  // ETH Zurich, and Freie Universitaet Berlin 2002-2018.
  //
  // This software is released under a three-clause BSD license:
  //  * Redistributions of source code must retain the above copyright
  //    notice, this list of conditions and the following disclaimer.
  //  * Redistributions in binary form must reproduce the above copyright
  //    notice, this list of conditions and the following disclaimer in the
  //    documentation and/or other materials provided with the distribution.
  //  * Neither the name of any author or any participating institution
  //    may be used to endorse or promote products derived from this software
  //    without specific prior written permission.
  // For a full list of authors, refer to the file AUTHORS.
  // --------------------------------------------------------------------------
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  // ARE DISCLAIMED. IN NO EVENT SHALL ANY OF THE AUTHORS OR THE CONTRIBUTING
  // INSTITUTIONS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  // --------------------------------------------------------------------------
  // $Maintainer: Timo Sachsenberg $
  // $Authors: Timo Sachsenberg $
  // --------------------------------------------------------------------------
  
  #include <OpenMS/SYSTEM/NetworkGetRequest.h>
  #include <OpenMS/CONCEPT/LogStream.h>
  
  #include <QtGui/QTextDocument>
  
  using namespace std;
  
  namespace OpenMS
  {
  
    NetworkGetRequest::NetworkGetRequest(QObject* parent) :
      QObject(parent), reply_(nullptr)
    {
      manager_ = new QNetworkAccessManager(this);
    }
  
    NetworkGetRequest::~NetworkGetRequest()
    {
    }
  
    void NetworkGetRequest::setUrl(const QUrl& url)
    {
      url_ = url;
    }
  
    void NetworkGetRequest::run()
    {
      if (reply_ == nullptr)
      {
        error_ = QNetworkReply::NoError;
        error_string_ = "";
        QNetworkRequest request;
        request.setUrl(url_);
        request.setHeader(QNetworkRequest::ContentTypeHeader, "text/plain");
        connect(manager_, SIGNAL(finished(QNetworkReply*)), this, SLOT(replyFinished(QNetworkReply*)));
        reply_ = manager_->get(request);
      }
    }
  
    void NetworkGetRequest::replyFinished(QNetworkReply* reply)
    {
      if (reply_ != nullptr)
      {
        error_ = reply->error();
        error_string_ = error_ != QNetworkReply::NoError ? reply->errorString() : "";
        response_bytes_ = reply->readAll(); // in case of error this will just read the error html from the server
        reply->close();
        reply->deleteLater();;
      }
      emit done();
    }
  
    void NetworkGetRequest::timeOut()
    {
      if (reply_ != nullptr)
      {
        error_ = QNetworkReply::TimeoutError;
        error_string_ = "TimeoutError: the connection to the remote server timed out";
        reply_->abort();
        reply_->close();
        reply_->deleteLater();
      }
      emit done();
    }
  
    QString NetworkGetRequest::getResponse() const
    {
      return QString(response_bytes_);
    }
  
    bool NetworkGetRequest::hasError() const
    {
      return error_ != QNetworkReply::NoError;
    }
  
    QString NetworkGetRequest::getErrorString() const
    {
      return error_string_;
    }
  
  }
  