{
* This Source Code Form is subject to the terms of the Mozilla Public License,
* v. 2.0. If a copy of the MPL was not distributed with this file, You can
* obtain one at http://mozilla.org/MPL/2.0/
*
* Copyright (C) 2006-2012, Peter Johnson (www.delphidabbler.com).
*
* $Rev$
* $Date$
*
* Implements a handlers for the "http" and "https:" URL protocols that displays
* the URL in the default browser.
}
unit UHTTPProtocol;
interface
implementation
uses
// Delphi
ExtActns,
// Project
UBrowseProtocol, UProtocols, UStrUtils;
type
{
THTTPProtocol:
Implements a handler for the "HTTP" protocol that causes URL to be displayed
in the default web browser.
}
THTTPProtocol = class sealed(TBrowseProtocol)
strict private
const
cHTTPProtocol = 'http://'; // URL prefix identifying http: protocol
public
class function SupportsProtocol(const URL: string): Boolean; override;
{Checks if a URL uses the http: protocol.
@param URL [in] URL whose protocol is to be checked.
@return True if URL's protocol is http:, False if not.
}
end;
{
THTTPSProtocol:
Implements a handler for the "HTTPS" protocol that causes URL to be
displayed in the default web browser.
}
THTTPSProtocol = class sealed(TBrowseProtocol)
strict private
const
cHTTPSProtocol = 'https://'; // URL prefix identifying http: protocol
public
class function SupportsProtocol(const URL: string): Boolean; override;
{Checks if a URL uses the http: protocol.
@param URL [in] URL whose protocol is to be checked.
@return True if URL's protocol is http:, False if not.
}
end;
{ THTTPProtocol }
class function THTTPProtocol.SupportsProtocol(const URL: string): Boolean;
{Checks if a URL uses the http: protocol.
@param URL [in] URL whose protocol is to be checked.
@return True if URL's protocol is http:, False if not.
}
begin
Result := StrStartsStr(cHTTPProtocol, URL);
end;
{ THTTPSProtocol }
class function THTTPSProtocol.SupportsProtocol(const URL: string): Boolean;
begin
Result := StrStartsStr(cHTTPSProtocol, URL);
end;
initialization
// Register the protocols with the protocol factory
TProtocolFactory.RegisterProtocol(THTTPProtocol);
TProtocolFactory.RegisterProtocol(THTTPSProtocol);
end.
