#include <FILE_Parser.h>
Inheritance diagram for TAO_FILE_Parser:
Public Member Functions | |
| virtual | ~TAO_FILE_Parser (void) |
| The destructor. | |
| virtual bool | match_prefix (const char *ior_string) const |
| virtual CORBA::Object_ptr | parse_string (const char *ior, CORBA::ORB_ptr orb) |
This class implements the <file:> IOR format. It is dynamically loaded by the ORB and used to open a file, read its contents and then interprete the file as an IOR (that can be in any valid format).
Definition at line 40 of file FILE_Parser.h.
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The destructor.
Definition at line 24 of file FILE_Parser.cpp.
00025 {
00026 }
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Return true if ior_string starts with a prefix known to this IOR parser Implements TAO_IOR_Parser. Definition at line 30 of file FILE_Parser.cpp. References file_prefix, and ACE_OS::strncmp().
00031 {
00032 return (ACE_OS::strncmp (ior_string,
00033 ::file_prefix,
00034 sizeof (::file_prefix) - 1) == 0);
00035 }
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Parse the ior argument and return an object reference. The call may raise the standard system exceptions (NO_MEMORY, INV_OBJREF, etc.) Implements TAO_IOR_Parser. Definition at line 38 of file FILE_Parser.cpp. References CORBA::Object::_nil(), ACE_TEXT, ACE_TEXT_CHAR_TO_TCHAR, ACE_Read_Buffer::alloc(), ACE_OS::fopen(), ACE_Allocator::free(), CORBA::Object_ptr, CORBA::ORB_ptr, ACE_Read_Buffer::read(), and CORBA::ORB::string_to_object().
00039 {
00040 // Skip the prefix, we know it is there because this method in only
00041 // called if <match_prefix> returns 1.
00042 const char *filename =
00043 ior + sizeof (::file_prefix)+1;
00044
00045 FILE* file = ACE_OS::fopen (ACE_TEXT_CHAR_TO_TCHAR (filename),
00046 ACE_TEXT("r"));
00047
00048 if (file == 0)
00049 return CORBA::Object::_nil ();
00050
00051 ACE_Read_Buffer reader (file, true);
00052
00053 char* string = reader.read ();
00054
00055 if (string == 0)
00056 return CORBA::Object::_nil ();
00057
00058 CORBA::Object_ptr object = CORBA::Object::_nil ();
00059 try
00060 {
00061 object = orb->string_to_object (string);
00062
00063 reader.alloc ()->free (string);
00064 }
00065 catch (const ::CORBA::Exception&)
00066 {
00067 reader.alloc ()->free (string);
00068 throw;
00069 }
00070
00071 return object;
00072 }
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1.3.6