otbVectorDataFileReader.h

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/*
 * Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef otbVectorDataFileReader_h
#define otbVectorDataFileReader_h
 
#include "otbVectorDataSource.h"
#include "otbVectorDataIOBase.h"
#include <string>
 
namespace otb
{
class VectorDataFileReaderException : public itk::ExceptionObject
{
public:
  itkTypeMacro(VectorDataFileReaderException, itk::ExceptionObject);
 
  VectorDataFileReaderException(const char* file, unsigned int line, const char* message = "Error in IO", const char* loc = "Unknown")
    : itk::ExceptionObject(file, line, message, loc)
  {
  }
 
  VectorDataFileReaderException(const std::string& file, unsigned int line, const char* message = "Error in IO", const char* loc = "Unknown")
    : itk::ExceptionObject(file, line, message, loc)
  {
  }
 
  VectorDataFileReaderException(const std::string& file, unsigned int line, const std::string& message = "Error in IO", const char* loc = "Unknown")
    : itk::ExceptionObject(file, line, message, loc)
  {
  }
};
 
template <class TOutputVectorData>
class ITK_EXPORT VectorDataFileReader : public VectorDataSource<TOutputVectorData>
{
public:
  typedef VectorDataFileReader                Self;
  typedef VectorDataSource<TOutputVectorData> Superclass;
  typedef itk::SmartPointer<Self>             Pointer;
  typedef itk::SmartPointer<const Self>       ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(VectorDataFileReader, VectorDataSource);
 
  typedef TOutputVectorData OutputVectorType;
  typedef VectorDataIOBase  VectorDataIOBaseType;
 
  itkStaticConstMacro(VDimension, unsigned int, OutputVectorType::DataNodeType::Dimension);
  typedef itk::Vector<double, VDimension> SpacingType;
  typedef itk::Point<double, VDimension>  PointType;
 
  itkSetStringMacro(FileName);
  itkGetStringMacro(FileName);
 
  void SetVectorDataIO(VectorDataIOBaseType* vectorDataIO);
  itkGetObjectMacro(VectorDataIO, VectorDataIOBaseType);
 
  void GenerateOutputInformation(void) override;
 
  void GenerateData() override;
 
protected:
  VectorDataFileReader();
  ~VectorDataFileReader() override;
  std::string m_ExceptionMessage;
 
  typename VectorDataIOBaseType::Pointer m_VectorDataIO;
  bool                                   m_UserSpecifiedVectorDataIO; // keep track whether the
 
  void PrintSelf(std::ostream& os, itk::Indent indent) const override;
 
  std::string m_FileName; // The file to be read
 
private:
  VectorDataFileReader(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  void TestFileExistenceAndReadability();
};
 
} // end namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbVectorDataFileReader.hxx"
#endif
 
#endif // otbVectorDataFileReader_h