udelphiclient.pas

《Delphi开发人员指南》配书原码

unit uDelphiClient;

interface

uses
  Windows, Messages, SysUtils, CorbInit, CorbaObj, orbpas, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

type

  ISimpleText = interface
  ['{49F25940-3C3C-11D3-9703-0000861F6726}']
    function SetText(const txt: String): String;
  end;

  TSimpleTextStub = class(TCorbaStub, ISimpleText)
  public
    function SetText(const txt: String): String;
  end;

  TForm1 = class(TForm)
    edtDelphiText: TEdit;
    btnDelphiTextLate: TButton;
    btnDelphiTextEarlyClick: TButton;
    edtResult: TEdit;
    procedure btnDelphiTextLateClick(Sender: TObject);
    procedure btnDelphiTextEarlyClickClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.btnDelphiTextLateClick(Sender: TObject);
var
  JavaServer: TAny;
begin
  JavaServer := ORB.Bind('IDL:CorbaServer/SimpleText:1.0');
  edtResult.Text := JavaServer.setText(edtDelphiText.text);
end;

{ TSimpleTextStub }

function TSimpleTextStub.SetText(const txt: String): String;
var
  InBuf: IMarshalInBuffer;
  OutBuf: IMarshalOutBuffer;
begin
  FStub.CreateRequest('setText',True,OutBuf);
  OutBuf.PutText(pchar(txt));
  FStub.Invoke(OutBuf, InBuf);
  Result := UnmarshalText(InBuf);
end;

procedure TForm1.btnDelphiTextEarlyClickClick(Sender: TObject);
var
  JavaServer: ISimpleText;
begin
  JavaServer := CorbaBind(ISimpleText) as ISimpleText;
  edtResult.Text := JavaServer.SetText(edtDelphiText.text);
end;

initialization
  CorbaStubManager.RegisterStub(ISimpleText, TSimpleTextStub);
  CorbaInterfaceIDManager.RegisterInterface(ISimpleText, 'IDL:CorbaServer/SimpleText:1.0');  

end.