File: web_blocks.adb

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------------------------------------------------------------------------------
--                              Ada Web Server                              --
--                                                                          --
--                     Copyright (C) 2009-2012, AdaCore                     --
--                                                                          --
--  This 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 software 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. See the GNU     --
--  General Public License for  more details.                               --
--                                                                          --
--  You should have  received  a copy of the GNU General  Public  License   --
--  distributed  with  this  software;   see  file COPYING3.  If not, go    --
--  to http://www.gnu.org/licenses for a complete copy of the license.      --
------------------------------------------------------------------------------

with Ada.Text_IO;

with AWS.Client;
with AWS.Config.Set;
with AWS.Dispatchers.Callback;
with AWS.Messages;
with AWS.Server.Status;
with AWS.Services.Dispatchers.URI;
with AWS.Services.Web_Block.Context;
with AWS.Services.Web_Block.Registry;
with AWS.Status;
with AWS.Templates;
with AWS.Response;
with AWS.Utils;

procedure Web_Blocks is

   use Ada;
   use AWS;
   use AWS.Services;

   WS  : AWS.Server.HTTP;
   Cfg : Config.Object;

   procedure Main_Callback
     (Request      :                 Status.Data;
      Context      : not null access Services.Web_Block.Context.Object;
      Translations : in out          Templates.Translate_Set) is null;

   ----------------------
   -- Default_Callback --
   ----------------------

   function Default_Callback (Request : Status.Data) return Response.Data is
      URI          : constant String := Status.URI (Request);
      C_Request    : aliased Status.Data := Request;
      Translations : Templates.Translate_Set;
      Web_Page     : Response.Data;
   begin
      Web_Page := Services.Web_Block.Registry.Build
        (URI, C_Request, Translations,
         Cache_Control => Messages.Prevent_Cache,
         Context_Error => "/");
      return Web_Page;
   end Default_Callback;

   ----------
   -- Test --
   ----------

   procedure Test (URI : String) is
      R : constant Response.Data := Client.Get
        (Server.Status.Local_URL (WS) & URI);
      Content : constant String := Response.Message_Body (R);
   begin
      if Content /= "" then
         Text_IO.Put_Line (Content);
      end if;
   end Test;

   H  : AWS.Services.Dispatchers.URI.Handler;

begin
   Services.Dispatchers.URI.Register_Default_Callback
     (H, AWS.Dispatchers.Callback.Create
        (Default_Callback'Unrestricted_Access));

   Services.Web_Block.Registry.Register
     ("/main",
      "page_main.thtml",
      Main_Callback'Unrestricted_Access);
   --  This default callback will handle all Web_Block callbacks

   AWS.Config.Set.Server_Port (Cfg, 0);

   AWS.Server.Start (WS, Dispatcher => H, Config => Cfg);

   Test ("/main");

   --  Close servers

   AWS.Server.Shutdown (WS);
end Web_Blocks;