/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
 * Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * In addition, as a special exception, the copyright holders of this
 * program give permission to link the code of its release with the
 * OpenSSL project's "OpenSSL" library (or with modified versions of it
 * that use the same license as the "OpenSSL" library), and distribute
 * the linked executables. You must obey the GNU General Public License
 * in all respects for all of the code used other than "OpenSSL". If you
 * modify file(s) with this exception, you may extend this exception to
 * your version of the file(s), but you are not obligated to do so. If
 * you do not wish to do so, delete this exception statement from your
 * version. If you delete this exception statement from all source files
 * in the program, then also delete it here.
 * 
 * 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 General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "HttpOutput.h"

namespace Orthanc
{
  class HttpFileSender
  {
  private:
    std::string contentType_;
    std::string downloadFilename_;

    void SendHeader(HttpOutput& output);

  protected:
    virtual uint64_t GetFileSize() = 0;

    virtual bool SendData(HttpOutput& output) = 0;

  public:
    virtual ~HttpFileSender()
    {
    }

    void ResetContentType()
    {
      contentType_.clear();
    }

    void SetContentType(const std::string& contentType)
    {
      contentType_ = contentType;
    }

    const std::string& GetContentType() const
    {
      return contentType_;
    }

    void ResetDownloadFilename()
    {
      downloadFilename_.clear();
    }

    void SetDownloadFilename(const std::string& filename)
    {
      downloadFilename_ = filename;
    }

    const std::string& GetDownloadFilename() const
    {
      return downloadFilename_;
    }

    void Send(HttpOutput& output);
  };
}