IOR_Parser.h

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00001 // -*- C++ -*-
00002 
00003 //=============================================================================
00004 /**
00005  *  @file   IOR_Parser.h
00006  *
00007  *  $Id: IOR_Parser.h 77992 2007-04-12 10:53:16Z johnnyw $
00008  *
00009  *  @author Carlos O'Ryan (coryan@cs.wustl.edu)
00010  */
00011 //=============================================================================
00012 
00013 
00014 #ifndef TAO_IOR_PARSER_H
00015 #define TAO_IOR_PARSER_H
00016 
00017 #include /**/ "ace/pre.h"
00018 #include "ace/Service_Object.h"
00019 
00020 #if !defined (ACE_LACKS_PRAGMA_ONCE)
00021 # pragma once
00022 #endif /* ACE_LACKS_PRAGMA_ONCE */
00023 
00024 #include "tao/orbconf.h"
00025 #include "tao/TAO_Export.h"
00026 
00027 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
00028 
00029 namespace CORBA
00030 {
00031   class Object;
00032   typedef Object *Object_ptr;
00033 
00034   class ORB;
00035   typedef ORB *ORB_ptr;
00036 }
00037 
00038 /**
00039  * @class TAO_IOR_Parser
00040  *
00041  * @brief Defines the interface for the pluggable IOR parser components
00042  *
00043  * The ORB is able to dynamically load the list of IOR formats it
00044  * understands.  That allow us to integrate formats such as
00045  * corbaname:, http: or ftp: only when required.
00046  * This class provides a uniform interface for all the IOR parsers
00047  */
00048 class TAO_Export TAO_IOR_Parser : public ACE_Service_Object
00049 {
00050 public:
00051   /// The destructor
00052   virtual ~TAO_IOR_Parser (void);
00053 
00054   /// Return true if @a ior_string starts with a prefix known to this IOR
00055   /// parser
00056   virtual bool match_prefix (const char *ior_string) const = 0;
00057 
00058   /**
00059    * Parse the @a ior argument and return an object reference.
00060    * The call may raise the standard system exceptions (NO_MEMORY,
00061    * INV_OBJREF, etc.)
00062    */
00063   virtual CORBA::Object_ptr parse_string (const char *ior, CORBA::ORB_ptr orb)
00064     = 0;
00065 };
00066 
00067 TAO_END_VERSIONED_NAMESPACE_DECL
00068 
00069 #include /**/ "ace/post.h"
00070 #endif /* TAO_IOR_PARSER_H */

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