// -------------------------------------------------------------------------
// @author Leonardo Florez-Valencia (florez-l@javeriana.edu.co)
// -------------------------------------------------------------------------

#ifndef __cpExtensions__Algorithms__SkeletonReader__h__
#define __cpExtensions__Algorithms__SkeletonReader__h__

#include <cpExtensions/Config.h>
#include <itkProcessObject.h>

// -------------------------------------------------------------------------
namespace cpExtensions
{
  namespace Algorithms
  {
    /**
     */
    template< class _TSkeleton >
    class SkeletonReader
      : public itk::ProcessObject
    {
    public:
      // Basic types
      typedef SkeletonReader                  Self;
      typedef itk::ProcessObject              Superclass;
      typedef itk::SmartPointer< Self >       Pointer;
      typedef itk::SmartPointer< const Self > ConstPointer;

      typedef _TSkeleton TSkeleton;

    public:
      itkNewMacro( Self );
      itkTypeMacro( SkeletonReader, itk::ImageSource );

      itkGetConstMacro( FileName, std::string );
      itkSetMacro( FileName, std::string );

    public:
      TSkeleton* GetOutput( );
      TSkeleton* GetOutput( unsigned int i );

      virtual void GraftOutput( itk::DataObject* out );
      virtual void GraftOutput(
        const typename Superclass::DataObjectIdentifierType& key,
        itk::DataObject* out
        );
      virtual void GraftNthOutput( unsigned int i, itk::DataObject* out );
      virtual itk::DataObject::Pointer MakeOutput(
        itk::ProcessObject::DataObjectPointerArraySizeType i
        ) cpExtensions_OVERRIDE;

      virtual void Update( ) cpExtensions_OVERRIDE
        { this->GenerateData( ); }

    protected:
      SkeletonReader( );
      virtual ~SkeletonReader( );

      virtual void GenerateData( ) cpExtensions_OVERRIDE;

      // Do nothing
      virtual void GenerateOutputInformation( ) cpExtensions_OVERRIDE
        { }

    private:
      // Purposely not implemented
      SkeletonReader( const Self& );
      void operator=( const Self& );

    protected:
      std::string m_FileName;
    };

  } // ecapseman

} // ecapseman

// -------------------------------------------------------------------------
#ifndef ITK_MANUAL_INSTANTIATION
#  include <cpExtensions/Algorithms/SkeletonReader.hxx>
#endif // ITK_MANUAL_INSTANTIATION

#endif // __cpExtensions__Algorithms__SkeletonReader__h__

// eof - $RCSfile$