www.pudn.com > indyprelim.zip > IdLogStream.pas

{ 
  $Project$ 
  $Workfile$ 
  $Revision$ 
  $DateUTC$ 
  $Id$ 
 
  This file is part of the Indy (Internet Direct) project, and is offered 
  under the dual-licensing agreement described on the Indy website. 
  (http://www.indyproject.org/) 
 
  Copyright: 
   (c) 1993-2005, Chad Z. Hower and the Indy Pit Crew. All rights reserved. 
} 
{ 
  $Log$ 
} 
{ 
  Rev 1.5    2004.05.20 12:34:32 PM  czhower 
  Removed more non .NET compatible stream read and writes 
 
  Rev 1.4    2004.01.20 10:03:30 PM  czhower 
  InitComponent 
 
  Rev 1.3    2003.10.17 6:15:56 PM  czhower 
  Upgrades 
 
  Rev 1.2    2003.10.17 4:28:54 PM  czhower 
  Changed stream names to be consistent with IOHandlerStream 
 
  Rev 1.1    2003.10.14 1:27:12 PM  czhower 
  Uupdates + Intercept support 
 
  Rev 1.0    11/13/2002 07:56:18 AM  JPMugaas 
} 
 
unit IdLogStream; 
 
interface 
{$I IdCompilerDefines.inc} 
//Put FPC into Delphi mode 
uses 
  IdLogBase, IdObjs, IdGlobal; 
 
type 
  TIdLogStream = class(TIdLogBase) 
  protected 
    FFreeStreams: Boolean; 
    FReceiveStream: TIdStream; 
    FSendStream: TIdStream; 
    // 
    procedure InitComponent; override; 
    procedure LogStatus(AText: string); override; 
    procedure LogReceivedData(AText: string; AData: string); override; 
    procedure LogSentData(AText: string; AData: string); override; 
  public 
    procedure Disconnect; override; 
    // 
    property FreeStreams: Boolean read FFreeStreams write FFreeStreams; 
    property ReceiveStream: TIdStream read FReceiveStream write FReceiveStream; 
    property SendStream: TIdStream read FSendStream write FSendStream; 
  end; 
 
implementation 
 uses IdSys; 
// TODO: This was orginally for VCL. For .Net what do we do? Convert back to 
// 7 bit? Log all? Logging all seems to be a disaster. 
// Text seems to be best, users are expecting text in this class. But 
// this write stream will dump unicode out in .net..... 
// So just convert it again back to 7 bit? How is proper to write 
// 7 bit to file? Use AnsiString? 
 
{ TIdLogStream } 
 
procedure TIdLogStream.Disconnect; 
begin 
  inherited Disconnect; 
  if FreeStreams then begin 
    Sys.FreeAndNil(FReceiveStream); 
    Sys.FreeAndNil(FSendStream); 
  end; 
end; 
 
procedure TIdLogStream.InitComponent; 
begin 
  inherited InitComponent; 
  FFreeStreams := True; 
end; 
 
procedure TIdLogStream.LogReceivedData(AText, AData: string); 
begin 
  if FReceiveStream <> nil then begin 
    WriteStringToStream(FReceiveStream, AData); 
  end; 
end; 
 
procedure TIdLogStream.LogSentData(AText, AData: string); 
begin 
  if FSendStream <> nil then begin 
    WriteStringToStream(FSendStream, AData); 
  end; 
end; 
 
procedure TIdLogStream.LogStatus(AText: string); 
begin 
  // We just leave this empty because the AText is not part of the stream and we 
  // do not want to raise an abstract method exception. 
end; 
 
end.