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+/*
+-----------------------------------------------------------------------
+Copyright 2012 iMinds-Vision Lab, University of Antwerp
+
+Contact: astra@ua.ac.be
+Website: http://astra.ua.ac.be
+
+
+This file is part of the
+All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox").
+
+The ASTRA Toolbox is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+The ASTRA Toolbox is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
+
+-----------------------------------------------------------------------
+$Id$
+*/
+
+#ifndef _INC_ASTRA_ASTRAOBJECTFACTORY
+#define _INC_ASTRA_ASTRAOBJECTFACTORY
+
+#include "Globals.h"
+#include "Config.h"
+#include "Singleton.h"
+#include "Utilities.h"
+#include "TypeList.h"
+
+#include "ProjectorTypelist.h"
+
+
+#include "AlgorithmTypelist.h"
+
+
+namespace astra {
+
+/**
+ * This class contains functionality to create data objects based on their type or on a configuration object.
+ */
+template <typename T, typename TypeList>
+class CAstraObjectFactory : public Singleton<CAstraObjectFactory<T, TypeList> > {
+
+public:
+
+	/** A default constructor that contains not a single line of code.
+	 */
+	CAstraObjectFactory();
+
+	/** Destructor.  
+	 */
+	~CAstraObjectFactory();
+
+	/** Create, but don't initialize, a new projector object.
+	 *
+	 * @param _sType Type of the new projector.
+	 * @return Pointer to a new, unitialized projector.
+	 */
+	T* create(std::string _sType);
+
+	/** Create and initialize a new projector object.
+	 *
+	 * @param _cfg Configuration object to create and initialize a new projector.
+	 * @return Pointer to a new, initialized projector.
+	 */
+	T* create(const Config& _cfg);
+
+
+};
+
+
+//----------------------------------------------------------------------------------------
+// Constructor
+template <typename T, typename TypeList>
+CAstraObjectFactory<T, TypeList>::CAstraObjectFactory()
+{
+
+}
+
+//----------------------------------------------------------------------------------------
+// Destructor
+template <typename T, typename TypeList>
+CAstraObjectFactory<T, TypeList>::~CAstraObjectFactory()
+{
+
+}
+
+//----------------------------------------------------------------------------------------
+// Create 
+template <typename T, typename TypeList>
+T* CAstraObjectFactory<T, TypeList>::create(std::string _sType) 
+{
+	functor_find<T> finder = functor_find<T>();
+	finder.tofind = _sType;
+	CreateObject<TypeList>::find(finder);
+	return finder.res;
+}
+
+//----------------------------------------------------------------------------------------
+// Create with XML
+template <typename T, typename TypeList>
+T* CAstraObjectFactory<T, TypeList>::create(const Config& _cfg)
+{
+	functor_find<T> finder = functor_find<T>();
+	finder.tofind = _cfg.self->getAttribute("type");
+	CreateObject<TypeList>::find(finder);
+	if (finder.res == NULL) return NULL;
+	if (finder.res->initialize(_cfg))
+		return finder.res;
+
+	delete finder.res;
+	return NULL;
+}
+//----------------------------------------------------------------------------------------
+
+
+
+
+//----------------------------------------------------------------------------------------
+// Create the necessary Object Managers
+/**
+ * Class used to create algorithms from a string or a config object
+*/
+class _AstraExport CAlgorithmFactory : public CAstraObjectFactory<CAlgorithm, AlgorithmTypeList> {};
+
+/**
+ * Class used to create 2D projectors from a string or a config object
+*/
+class _AstraExport CProjector2DFactory : public CAstraObjectFactory<CProjector2D, Projector2DTypeList> {};
+
+/**
+ * Class used to create 3D projectors from a string or a config object
+*/
+class _AstraExport CProjector3DFactory : public CAstraObjectFactory<CProjector3D, Projector3DTypeList> {};
+
+
+
+
+} // end namespace
+
+#endif