ibrdtn/ibrdtn/data/ExtensionBlockFactory.h

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/*
 * ExtensionBlockFactory.h
 *
 *  Created on: 28.05.2010
 *      Author: morgenro
 */

#ifndef EXTENSIONBLOCKFACTORY_H_
#define EXTENSIONBLOCKFACTORY_H_

#include "ibrdtn/data/Bundle.h"

namespace dtn
{
        namespace data
        {
                class ExtensionBlockFactory
                {
                public:
                        virtual dtn::data::Block* create() = 0;

                protected:
                        ExtensionBlockFactory(char type)
                         : _type(type)
                        {
                                std::map<char, ExtensionBlockFactory*> &factories = dtn::data::Bundle::getExtensionBlockFactories();
                                factories[type] = this;
                        }

                        virtual ~ExtensionBlockFactory()
                        {
                                std::map<char, ExtensionBlockFactory*> &factories = dtn::data::Bundle::getExtensionBlockFactories();
                                factories.erase(_type);
                        }

                private:
                        char _type;
                };
        }
}

#endif /* EXTENSIONBLOCKFACTORY_H_ */