itkDynamicLoader.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkDynamicLoader.h,v $
  Language:  C++
  Date:      $Date: 2008-10-07 09:09:39 $
  Version:   $Revision: 1.27 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkDynamicLoader_h
#define __itkDynamicLoader_h

#include "itkObject.h"
#include "itkObjectFactory.h"
#include <itksys/DynamicLoader.hxx>

namespace itk
{

//BTX
typedef itksys::DynamicLoader::LibraryHandle LibHandle;
// Cannot use this as this is a void (*)() but ITK old API used to be void*
typedef itksys::DynamicLoader::SymbolPointer SymbolPointer;
//ETX

class ITKCommon_EXPORT DynamicLoader : public Object
{
public:
  typedef DynamicLoader               Self;
  typedef Object                      Superclass;
  typedef SmartPointer<Self>          Pointer;
  typedef SmartPointer<const Self>    ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(DynamicLoader,Object);

  static LibHandle OpenLibrary(const char*);

  static int CloseLibrary(LibHandle);

  static void* GetSymbolAddress(LibHandle, const char*);

  static const char* LibPrefix();

  static const char* LibExtension();

  static const char* LastError();

protected:
  DynamicLoader();
  ~DynamicLoader();

private:
  DynamicLoader(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

};

} // end namespace itk

#endif