/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2018 Osimis S.A., 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/>.
 **/


#include "../PrecompiledHeaders.h"
#include "IJobUnserializer.h"

#include "../OrthancException.h"

namespace Orthanc
{
  void IJobUnserializer::CheckType(const Json::Value& source,
                                   const std::string& expectedType)
  {
    static const char* TYPE = "Type";

    if (source.type() != Json::objectValue ||
        !source.isMember(TYPE) ||
        source[TYPE].type() != Json::stringValue ||
        source[TYPE].asString() != expectedType)
    {
      throw OrthancException(ErrorCode_BadFileFormat);
    }
  }


  std::string IJobUnserializer::GetString(const Json::Value& source,
                                          const std::string& name)
  {
    if (source.type() != Json::objectValue ||
        !source.isMember(name.c_str()) ||
        source[name.c_str()].type() != Json::stringValue)
    {
      throw OrthancException(ErrorCode_BadFileFormat);
    }
    else
    {
      return source[name.c_str()].asString();
    }
  }


  int IJobUnserializer::GetInteger(const Json::Value& source,
                                   const std::string& name)
  {
    if (source.type() != Json::objectValue ||
        !source.isMember(name.c_str()) ||
        (source[name.c_str()].type() != Json::intValue &&
         source[name.c_str()].type() != Json::uintValue))
    {
      throw OrthancException(ErrorCode_BadFileFormat);
    }
    else
    {
      return source[name.c_str()].asInt();
    }    
  }


  unsigned int IJobUnserializer::GetUnsignedInteger(const Json::Value& source,
                                                    const std::string& name)
  {
    int tmp = GetInteger(source, name);

    if (tmp < 0)
    {
      throw OrthancException(ErrorCode_BadFileFormat);
    }
    else
    {
      return static_cast<unsigned int>(tmp);
    }
  }
}