Provider.h

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/*
 * Copyright (c) 2004 X-Way Rights BV
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _CLASS_BEE_SECURITY_PROVIDER_H
#define _CLASS_BEE_SECURITY_PROVIDER_H

#ifdef __cplusplus

#include "beecrypt/c++/util/Properties.h"
using beecrypt::util::Properties;

#include <unicode/ucnv.h>

namespace beecrypt {
    namespace security {
        class Provider : public Properties
        {
            friend class Security;

        private:
            typedef Object* (*instantiator)();

            class Instantiator : public Object
            {
            private:
                instantiator _inst;

            public:
                Instantiator(instantiator inst);
                virtual ~Instantiator() {}

                Object* instantiate();
            };

            String _name;
            String _info;
            double _vers;

            UConverter* _conv;

            Hashtable<String,Instantiator> _imap;

            Object* instantiate(const String& name) const;

        protected:
            #if WIN32
            HANDLE  _dlhandle;
            #else
            void* _dlhandle;
            #endif

            BEECRYPTCXXAPI
            Provider(const String& name, double version, const String& info);

        public:
            BEECRYPTCXXAPI
            virtual ~Provider();

            BEECRYPTCXXAPI
            Object* setProperty(const String& key, const String& value);

            BEECRYPTCXXAPI
            const String& getName() const throw ();
            BEECRYPTCXXAPI
            const String& getInfo() const throw ();
            BEECRYPTCXXAPI
            double getVersion() const throw ();
        };
    }
}

#endif

#endif