ossimDatumFactoryRegistry.h

Go to the documentation of this file.

//----------------------------------------------------------------------------
//
// License:  See top level LICENSE.txt file
//
// Author:  David Burken
//
// Description: Class declaration of Registry (singleton) for datum factories.
//
//----------------------------------------------------------------------------
// $Id$

#ifndef ossimDatumFactoryRegistry_HEADER
#define ossimDatumFactoryRegistry_HEADER

#include <vector>
#include <ossim/base/ossimConstants.h> /* for OSSIM_DLL macro */
#include <ossim/base/ossimDatumFactoryInterface.h> 
#include <mutex>
// Forward class declarations.
class ossimDatumFactoryInterface;
class ossimString;
class ossimDatum;

class OSSIM_DLL ossimDatumFactoryRegistry : public ossimDatumFactoryInterface
{
public:
   
   ~ossimDatumFactoryRegistry();

   static ossimDatumFactoryRegistry* instance();

   void registerFactory(ossimDatumFactoryInterface* factory);
   
   virtual const ossimDatum* create(const ossimString& code)const;
   virtual const ossimDatum* create(const ossimKeywordlist& kwl, const char *prefix=0) const;

   virtual void getList(std::vector<ossimString>& list) const;
   
protected:

   ossimDatumFactoryRegistry();

   //static ossimDatumFactoryRegistry* theInstance;

    mutable std::mutex theFactoryListMutex;
   std::vector<ossimDatumFactoryInterface*> theFactoryList;
};

#endif /* #ifndef ossimDatumFactoryRegistry_HEADER */