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// -*- C++ -*-
//=============================================================================
/*
* @file Codeset_Manager.h
*
* $Id$
*
* Interface for the TAO CodeSet Manager.
*
* @author Mahesh Vedantam <mahesh@ociweb.com>
*/
//=============================================================================
#ifndef TAO_CODESET_MANAGER_H
#define TAO_CODESET_MANAGER_H
#include /**/ "ace/pre.h"
#include "tao/TAO_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/CONV_FRAMEC.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
class ACE_WChar_Codeset_Translator;
class TAO_Profile;
class TAO_Transport;
class TAO_Operation_Details;
class TAO_ServerRequest;
class TAO_Tagged_Components;
class TAO_Codeset_Translator_Base;
class TAO_Codeset_Descriptor_Base;
// ****************************************************************
/**
* @class TAO_Codeset_Manager
*
* @brief The encapsulation of logic for codeset negotiation
*
* The Codeset Manager is owned by the ORB_Core, initialized through Resource
* Factory configuration options. The codeset manager participates in profile
* creation by servers and connection establishment by clients. The involvement
* is necessary to supply a codeset component to the profile including for both
* chars and wide chars the native code set and any conversion code sets for
* which translators are available. The codeset manager is also responsible for
* determining the transmission codesets based an the local and remote codeset
* information. The transmission codesets are communicated via a service
* context attached to the first request sent on the new connection.
*
*/
class TAO_Export TAO_Codeset_Manager
{
public:
/// Destructor.
virtual ~TAO_Codeset_Manager (void);
/// Called by an object of TAO_Acceptor to set NCS and CCS values for
/// Char/Wchar in to the Object Reference.
virtual void set_codeset (TAO_Tagged_Components& ) const = 0;
/// Called from an object of "TAO_GIOP_Invocation" to set TCS on the
/// Transport
virtual void set_tcs (TAO_Profile &theProfile, TAO_Transport &) = 0;
/// Called from an Object of TAO_Messaging for every request at server side
/// to process service context and set TCS for Char/WChar
virtual void process_service_context (TAO_ServerRequest &) = 0;
/// Called by a client object to generate service context
/// at this time Transport has the TCS for Char and WChar
virtual void generate_service_context (TAO_Operation_Details&, TAO_Transport & ) = 0;
virtual TAO_Codeset_Translator_Base * get_char_trans (CONV_FRAME::CodeSetId tcs) = 0;
virtual TAO_Codeset_Translator_Base * get_wchar_trans (CONV_FRAME::CodeSetId tcs) = 0;
virtual void open (void) = 0;
virtual TAO_Codeset_Descriptor_Base *char_codeset_descriptor (void) = 0;
virtual TAO_Codeset_Descriptor_Base *wchar_codeset_descriptor (void) = 0;
virtual void get_ncs (CONV_FRAME::CodeSetId &ncsc,
CONV_FRAME::CodeSetId &ncsw) = 0;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_CODESET_MANAGER_H */
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