c++/security/Provider.h

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00001 /*
00002  * Copyright (c) 2004 Beeyond Software Holding BV
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Lesser General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public
00015  * License along with this library; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017  */
00018 
00023 #ifndef _CLASS_PROVIDER_H
00024 #define _CLASS_PROVIDER_H
00025 
00026 #ifdef __cplusplus
00027 
00028 #include "beecrypt/c++/mutex.h"
00029 using beecrypt::mutex;
00030 #include "beecrypt/c++/lang/String.h"
00031 using beecrypt::lang::String;
00032 #include "beecrypt/c++/util/Properties.h"
00033 using beecrypt::util::Properties;
00034 
00035 #include <unicode/ucnv.h>
00036 #include <map>
00037 using std::map;
00038 
00039 namespace beecrypt {
00040     namespace security {
00043         class BEECRYPTCXXAPI Provider : public beecrypt::util::Properties
00044         {
00045             friend class Security;
00046 
00047         private:
00048             String _name;
00049             String _info;
00050             double _vers;
00051 
00052             mutex _lock;
00053             UConverter* _conv;
00054 
00055             typedef Object* (*instantiator)();
00056             typedef map<String,instantiator> instantiator_map;
00057 
00058             instantiator_map _imap;
00059 
00060             instantiator getInstantiator(const String& name) const;
00061 
00062         protected:
00063             #if WIN32
00064             HANDLE _dlhandle;
00065             #else
00066             void* _dlhandle;
00067             #endif
00068 
00069             Provider(const String& name, double version, const String& info);
00070 
00071         public:
00072             virtual ~Provider();
00073 
00074             void put(const String& key, const String& value);
00075 
00076             const String& getName() const throw ();
00077             const String& getInfo() const throw ();
00078             double getVersion() const throw ();
00079         };
00080     }
00081 }
00082 
00083 #endif
00084 
00085 #endif

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