ProjectionsManager.hpp

// Copyright 2015 GEOSYSTEMS SRL
// All Rights Reserved.

#ifndef FIRE_GEAR_PROJECTION_PROJECTIONSMANAGER_HPP_INCLUDED
#define FIRE_GEAR_PROJECTION_PROJECTIONSMANAGER_HPP_INCLUDED

#include <boost/filesystem.hpp>

#include <json/json.h>

#include <ogr_spatialref.h>

#include <exception>
#include <string>

#include "fire/export.hpp"

#include "fire/Object.hpp"
#include "fire/gear/projection/ProjectionTextType.hpp"

namespace fire {
namespace gear {
namespace projection {
class Projection;
class Projector;
}  // namespace projection
}  // namespace gear
}  // namespace fire

namespace fire {
namespace gear {
namespace projection {
class FIRE_ENGINE_DLL ProjectionsManager : public fire::Object {
 private:
  static fire::gear::projection::ProjectionsManager* projectionsManager;
  static std::size_t sridsCount;
  boost::filesystem::path projectionsPath;
  Json::Value projections;
  OGRSpatialReference spatialReference;
  ProjectionsManager();
  explicit ProjectionsManager(const std::string& projectionsPath);
  virtual ~ProjectionsManager();

 public:
  static const int UnknownSrid;
  static int getUnknownSrid();
  static ProjectionsManager* instance();
  static ProjectionsManager* instance(const std::string& projectionsPath);
  void putProjection(int srid, fire::gear::projection::ProjectionTextType::ProjectionTextType projectionTextType, const std::string& projectionText);
  int putProjection(fire::gear::projection::ProjectionTextType::ProjectionTextType projectionTextType, const std::string& projectionText);
  void removeProjection(int srid, fire::gear::projection::ProjectionTextType::ProjectionTextType projectionTextType);
  bool hasProjection(int srid, fire::gear::projection::ProjectionTextType::ProjectionTextType projectionTextType) const;
  std::string getProjection(int srid, fire::gear::projection::ProjectionTextType::ProjectionTextType projectionTextType) const;
  int getSrid(fire::gear::projection::ProjectionTextType::ProjectionTextType projectionTextType, const std::string& projectionText) const;
  void updateProjections() const;
  fire::gear::projection::Projection* createProjection(int srid, fire::gear::projection::ProjectionTextType::ProjectionTextType projectionTextType = fire::gear::projection::ProjectionTextType::Proj4) const;
  fire::gear::projection::Projector* createProjector(int sourceSrid, int destinationSrid, fire::gear::projection::ProjectionTextType::ProjectionTextType projectionTextType = fire::gear::projection::ProjectionTextType::Proj4) const;
};
}  // namespace projection
}  // namespace gear
}  // namespace fire

#endif