PolyORB/docs/client.adb

with Ada.Command_Line;
with Ada.Text_IO;
with CORBA.ORB;

with Echo;

with PolyORB.Setup.Client;
pragma Warnings (Off, PolyORB.Setup.Client);

procedure Client is
   use Ada.Command_Line;
   use Ada.Text_IO;

   Sent_Msg, Rcvd_Msg : CORBA.String;
   myecho : Echo.Ref;

begin
   CORBA.ORB.Initialize ("ORB");
   if Argument_Count /= 1 then
      Put_Line ("usage : client <IOR_string_from_server>");
      return;
   end if;

   --  Getting the CORBA.Object

   CORBA.ORB.String_To_Object
     (CORBA.To_CORBA_String (Ada.Command_Line.Argument (1)), myecho);

   --  Checking if it worked

   if Echo.Is_Nil (myecho) then
      Put_Line ("main : cannot invoke on a nil reference");
      return;
   end if;

   --  Sending message

   Sent_Msg := CORBA.To_CORBA_String (Standard.String'("Hello Ada !"));
   Rcvd_Msg := Echo.echoString (myecho, Sent_Msg);

   --  Printing result

   Put_Line ("I said : " & CORBA.To_Standard_String (Sent_Msg));
   Put_Line ("The object answered : " & CORBA.To_Standard_String (Rcvd_Msg));

exception
   when E : CORBA.Transient =>
      declare
         Memb : CORBA.System_Exception_Members;
      begin
         CORBA.Get_Members (E, Memb);
         Put ("received exception transient, minor");
         Put (CORBA.Unsigned_Long'Image (Memb.Minor));
         Put (", completion status: ");
         Put_Line (CORBA.Completion_Status'Image (Memb.Completed));
      end;
end Client;