------------------------------------------------------------------------------ -- Ada Web Server -- -- -- -- Copyright (C) 2000-2012, AdaCore -- -- -- -- This library is free software; you can redistribute it and/or modify -- -- it under terms of the GNU General Public License as published by the -- -- Free Software Foundation; either version 3, or (at your option) any -- -- later version. This library is distributed in the hope that it will be -- -- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of -- -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are -- -- granted additional permissions described in the GCC Runtime Library -- -- Exception, version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- . -- -- -- -- As a special exception, if other files instantiate generics from this -- -- unit, or you link this unit with other files to produce an executable, -- -- this unit does not by itself cause the resulting executable to be -- -- covered by the GNU General Public License. This exception does not -- -- however invalidate any other reasons why the executable file might be -- -- covered by the GNU Public License. -- ------------------------------------------------------------------------------ -- Dispatch a specific request to a callback depending on the request method with AWS.Dispatchers; with AWS.Response; with AWS.Status; package AWS.Services.Dispatchers.Method is type Handler is new AWS.Dispatchers.Handler with private; procedure Register (Dispatcher : in out Handler; Method : Status.Request_Method; Action : AWS.Dispatchers.Handler'Class); -- Register callback to use for a specific request method procedure Register (Dispatcher : in out Handler; Method : Status.Request_Method; Action : Response.Callback); -- Idem as above but take a callback procedure as parameter procedure Unregister (Dispatcher : in out Handler; Method : Status.Request_Method); -- Removes Method from the list of request method to handle procedure Register_Default_Callback (Dispatcher : in out Handler; Action : AWS.Dispatchers.Handler'Class); -- Register the default callback. This will be used if no request method -- have been activated. private overriding procedure Initialize (Dispatcher : in out Handler); overriding procedure Finalize (Dispatcher : in out Handler); overriding function Dispatch (Dispatcher : Handler; Request : Status.Data) return Response.Data; -- Dispatch to the corresponding method callback, if no such callback -- registered it dispatches to the default callback. If there is no default -- callback it returns an error message (code 404). overriding function Clone (Dispatcher : Handler) return Handler; -- Returns a deep copy of the dispatcher type Method_Table is array (Status.Request_Method) of AWS.Dispatchers.Handler_Class_Access; type Handler is new AWS.Dispatchers.Handler with record Action : AWS.Dispatchers.Handler_Class_Access; Table : Method_Table; end record; end AWS.Services.Dispatchers.Method;