Return to Unit HTTP
Description
To be documented
Class definitions
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THTTPClient = class(TWinsock2TCPClient)
public
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constructor Create;
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destructor Destroy; override;
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private
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FLock:TCriticalSectionHandle;
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FState:LongWord;
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Internal request state
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FBuffer:THTTPBuffer;
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Buffer for received data
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FRequest:THTTPClientRequest;
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FResponse:THTTPClientResponse;
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FTimeout:LongWord;
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FUserAgent:String;
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FAllowRedirect:Boolean;
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FMaxRedirects:LongWord;
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FKeepAlive:Boolean;
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FKeepAliveTimeout:LongWord;
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FOnRedirect:THTTPRedirectEvent;
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FOnPassword:THTTPPasswordEvent;
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FHost:String;
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FPort:String;
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FUsername:String;
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FPassword:String;
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FProxyHost:String;
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FProxyPort:String;
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FProxyUsername:String;
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FProxyPassword:String;
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FURL:String;
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FMethod:LongWord;
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FVersion:LongWord;
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FMimeType:String;
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FRangeStart:LongWord;
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FRangeEnd:LongWord;
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FEncoding:LongWord;
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procedure SetTimeout(ATimeout:LongWord);
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function GetUserAgent:String;
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procedure SetUserAgent(const AUserAgent:String);
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procedure SetAllowRedirect(AAllowRedirect:Boolean);
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procedure SetMaxRedirects(AMaxRedirects:LongWord);
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procedure SetKeepAlive(AKeepAlive:Boolean);
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procedure SetKeepAliveTimeout(AKeepAliveTimeout:LongWord);
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function GetHost:String;
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procedure SetHost(const AHost:String);
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function GetPort:String;
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procedure SetPort(const APort:String);
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function GetUsername:String;
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procedure SetUsername(const AUsername:String);
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function GetPassword:String;
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procedure SetPassword(const APassword:String);
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function GetProxyHost:String;
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procedure SetProxyHost(const AProxyHost:String);
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function GetProxyPort:String;
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procedure SetProxyPort(const AProxyPort:String);
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function GetProxyUsername:String;
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procedure SetProxyUsername(const AProxyUsername:String);
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function GetProxyPassword:String;
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procedure SetProxyPassword(const AProxyPassword:String);
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function GetURL:String;
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procedure SetURL(const AURL:String);
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procedure SetMethod(AMethod:LongWord);
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procedure SetVersion(AVersion:LongWord);
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function GetMimeType:String;
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procedure SetMimeType(const AMimeType:String);
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procedure SetRangeStart(ARangeStart:LongWord);
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procedure SetRangeEnd(ARangeEnd:LongWord);
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procedure SetEncoding(AEncoding:LongWord);
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function GetResponseStatus:LongWord;
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function GetResponseReason:String;
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function GetResponseVersion:LongWord;
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function GetResponseMimeType:String;
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function GetResponseEncoding:LongWord;
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function GetResponseContentSize:LongWord;
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protected
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function AcquireLock:Boolean;
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function ReleaseLock:Boolean;
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function DoRedirect(const AURL:String; var ALocation:String):Boolean;
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function DoPassword(var AUsername,APassword:String):Boolean;
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function ReadResponseLine(AResponse:THTTPClientResponse):Boolean;
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function ReadResponseHeaders(AResponse:THTTPClientResponse):Boolean;
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function ReadResponseContentStream(AResponse:THTTPClientResponse; AContent:TStream; ASize:LongWord):Boolean;
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function ReadResponseContentString(AResponse:THTTPClientResponse; var AContent:String; ASize:LongWord):Boolean;
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function WriteRequestLine(ARequest:THTTPClientRequest):Boolean;
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function WriteRequestHeaders(ARequest:THTTPClientRequest):Boolean;
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function WriteRequestContentStream(ARequest:THTTPClientRequest; AContent:TStream; ASize:LongWord):Boolean;
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function WriteRequestContentString(ARequest:THTTPClientRequest; const AContent:String; ASize:LongWord):Boolean;
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public
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property Request:THTTPClientRequest read FRequest;
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property Response:THTTPClientResponse read FResponse;
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property Timeout:LongWord read FTimeout write SetTimeout;
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property UserAgent:String read GetUserAgent write SetUserAgent;
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property AllowRedirect:Boolean read FAllowRedirect write SetAllowRedirect;
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property MaxRedirects:LongWord read FMaxRedirects write SetMaxRedirects;
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property KeepAlive:Boolean read FKeepAlive write SetKeepAlive;
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property KeepAliveTimeout:LongWord read FKeepAliveTimeout write SetKeepAliveTimeout;
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property OnRedirect:THTTPRedirectEvent read FOnRedirect write FOnRedirect;
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property OnPassword:THTTPPasswordEvent read FOnPassword write FOnPassword;
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property Host:String read GetHost write SetHost;
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property Port:String read GetPort write SetPort;
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property Username:String read GetUsername write SetUsername;
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property Password:String read GetPassword write SetPassword;
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property ProxyHost:String read GetProxyHost write SetProxyHost;
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property ProxyPort:String read GetProxyPort write SetProxyPort;
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property ProxyUsername:String read GetProxyUsername write SetProxyUsername;
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property ProxyPassword:String read GetProxyPassword write SetProxyPassword;
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property RequestURL:String read GetURL write SetURL;
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property RequestMethod:LongWord read FMethod write SetMethod;
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property RequestVersion:LongWord read FVersion write SetVersion;
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property RequestMimeType:String read GetMimeType write SetMimeType;
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property RequestRangeStart:LongWord read FRangeStart write SetRangeStart;
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property RequestRangeEnd:LongWord read FRangeEnd write SetRangeEnd;
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property RequestEncoding:LongWord read FEncoding write SetEncoding;
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property ResponseStatus:LongWord read GetResponseStatus;
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property ResponseReason:String read GetResponseReason;
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property ResponseVersion:LongWord read GetResponseVersion;
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property ResponseMimeType:String read GetResponseMimeType;
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property ResponseEncoding:LongWord read GetResponseEncoding;
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property ResponseContentSize:LongWord read GetResponseContentSize;
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function Head(const AURL:String):Boolean;
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function GetString(const AURL:String; var AContent:String):Boolean;
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function GetStream(const AURL:String; AContent:TStream):Boolean;
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function PostString(const AURL:String; var AContent:String):Boolean;
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function PostStream(const AURL:String; AContent:TStream):Boolean;
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function SendRequest:Boolean;
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function CloseRequest(Close:Boolean):Boolean;
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function ClearRequest:Boolean;
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function CancelRequest:Boolean;
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function SetRequestParam(const AName,AValue:String):Boolean;
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function SetRequestParamEx(const AName,AValue:String; AReplace:Boolean):Boolean;
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function SetRequestHeader(const AName,AValue:String):Boolean;
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function SetRequestHeaderEx(const AName,AValue:String; AReplace:Boolean):Boolean;
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function SetRequestContentStream(AContent:TStream):Boolean;
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function AddRequestContentString(const AContent:String):Boolean;
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function SetRequestContentString(const AContent:String):Boolean;
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function GetResponseHeader(const AName:String):String;
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function GetResponseHeaderEx(const AName:String):TStringList;
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function GetResponseContentStream(AContent:TStream; ASize:LongWord):Boolean;
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function GetResponseContentString(var AContent:String; ASize:LongWord):Boolean;
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Function declarations
[Expand]
constructor THTTPClient.Create;
Description: To be documented
[Expand]
destructor THTTPClient.Destroy;
Description: To be documented
[Expand]
procedure THTTPClient.SetTimeout(ATimeout:LongWord);
Description: To be documented
[Expand]
function THTTPClient.GetUserAgent:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetUserAgent(const AUserAgent:String);
Description: To be documented
[Expand]
procedure THTTPClient.SetAllowRedirect(AAllowRedirect:Boolean);
Description: To be documented
[Expand]
procedure THTTPClient.SetMaxRedirects(AMaxRedirects:LongWord);
Description: To be documented
[Expand]
procedure THTTPClient.SetKeepAlive(AKeepAlive:Boolean);
Description: To be documented
[Expand]
procedure THTTPClient.SetKeepAliveTimeout(AKeepAliveTimeout:LongWord);
Description: To be documented
[Expand]
function THTTPClient.GetHost:String;
Description: To be documented
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procedure THTTPClient.SetHost(const AHost:String);
Description: To be documented
[Expand]
function THTTPClient.GetPort:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetPort(const APort:String);
Description: To be documented
[Expand]
function THTTPClient.GetUsername:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetUsername(const AUsername:String);
Description: To be documented
[Expand]
function THTTPClient.GetPassword:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetPassword(const APassword:String);
Description: To be documented
[Expand]
function THTTPClient.GetProxyHost:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetProxyHost(const AProxyHost:String);
Description: To be documented
[Expand]
function THTTPClient.GetProxyPort:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetProxyPort(const AProxyPort:String);
Description: To be documented
[Expand]
function THTTPClient.GetProxyUsername:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetProxyUsername(const AProxyUsername:String);
Description: To be documented
[Expand]
function THTTPClient.GetProxyPassword:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetProxyPassword(const AProxyPassword:String);
Description: To be documented
[Expand]
function THTTPClient.GetURL:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetURL(const AURL:String);
Description: To be documented
[Expand]
procedure THTTPClient.SetMethod(AMethod:LongWord);
Description: To be documented
[Expand]
procedure THTTPClient.SetVersion(AVersion:LongWord);
Description: To be documented
[Expand]
function THTTPClient.GetMimeType:String;
Description: To be documented
[Expand]
procedure THTTPClient.SetMimeType(const AMimeType:String);
Description: To be documented
[Expand]
procedure THTTPClient.SetRangeStart(ARangeStart:LongWord);
Description: To be documented
[Expand]
procedure THTTPClient.SetRangeEnd(ARangeEnd:LongWord);
Description: To be documented
[Expand]
procedure THTTPClient.SetEncoding(AEncoding:LongWord);
Description: To be documented
[Expand]
function THTTPClient.GetResponseStatus:LongWord;
Description: To be documented
[Expand]
function THTTPClient.GetResponseReason:String;
Description: To be documented
[Expand]
function THTTPClient.GetResponseVersion:LongWord;
Description: To be documented
[Expand]
function THTTPClient.GetResponseMimeType:String;
Description: To be documented
[Expand]
function THTTPClient.GetResponseEncoding:LongWord;
Description: To be documented
[Expand]
function THTTPClient.GetResponseContentSize:LongWord;
Description: To be documented
[Expand]
function THTTPClient.AcquireLock:Boolean;
Description: To be documented
[Expand]
function THTTPClient.ReleaseLock:Boolean;
Description: To be documented
[Expand]
function THTTPClient.DoRedirect(const AURL:String; var ALocation:String):Boolean;
Description: To be documented
[Expand]
function THTTPClient.DoPassword(var AUsername,APassword:String):Boolean;
Description: To be documented
[Expand]
function THTTPClient.ReadResponseLine(AResponse:THTTPClientResponse):Boolean;
Description: To be documented
[Expand]
function THTTPClient.ReadResponseHeaders(AResponse:THTTPClientResponse):Boolean;
Description: To be documented
[Expand]
function THTTPClient.ReadResponseContentStream(AResponse:THTTPClientResponse; AContent:TStream; ASize:LongWord):Boolean;
Description: If Size is 0 then read the entire content to the stream
[Expand]
function THTTPClient.ReadResponseContentString(AResponse:THTTPClientResponse; var AContent:String; ASize:LongWord):Boolean;
Description: If Size is 0 then read the entire content to the string
[Expand]
function THTTPClient.WriteRequestLine(ARequest:THTTPClientRequest):Boolean;
Description: To be documented
[Expand]
function THTTPClient.WriteRequestHeaders(ARequest:THTTPClientRequest):Boolean;
Description: To be documented
[Expand]
function THTTPClient.WriteRequestContentStream(ARequest:THTTPClientRequest; AContent:TStream; ASize:LongWord):Boolean;
Description: To be documented
[Expand]
function THTTPClient.WriteRequestContentString(ARequest:THTTPClientRequest; const AContent:String; ASize:LongWord):Boolean;
Description: To be documented
[Expand]
function THTTPClient.Head(const AURL:String):Boolean;
Description: To be documented
[Expand]
function THTTPClient.GetString(const AURL:String; var AContent:String):Boolean;
Description: To be documented
[Expand]
function THTTPClient.GetStream(const AURL:String; AContent:TStream):Boolean;
Description: To be documented
[Expand]
function THTTPClient.PostString(const AURL:String; var AContent:String):Boolean;
Description: To be documented
[Expand]
function THTTPClient.PostStream(const AURL:String; AContent:TStream):Boolean;
Description: To be documented
[Expand]
function THTTPClient.SendRequest:Boolean;
Description: To be documented
[Expand]
function THTTPClient.CloseRequest(Close:Boolean):Boolean;
Description: To be documented
[Expand]
function THTTPClient.ClearRequest:Boolean;
Description: To be documented
[Expand]
function THTTPClient.CancelRequest:Boolean;
Description: To be documented
| Note
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No lock to allow another thread to cancel the request
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[Expand]
function THTTPClient.SetRequestParam(const AName,AValue:String):Boolean;
Description: To be documented
[Expand]
function THTTPClient.SetRequestParamEx(const AName,AValue:String; AReplace:Boolean):Boolean;
Description: To be documented
[Expand]
function THTTPClient.SetRequestHeader(const AName,AValue:String):Boolean;
Description: To be documented
[Expand]
function THTTPClient.SetRequestHeaderEx(const AName,AValue:String; AReplace:Boolean):Boolean;
Description: To be documented
[Expand]
function THTTPClient.SetRequestContentStream(AContent:TStream):Boolean;
Description: To be documented
[Expand]
function THTTPClient.AddRequestContentString(const AContent:String):Boolean;
Description: To be documented
[Expand]
function THTTPClient.SetRequestContentString(const AContent:String):Boolean;
Description: To be documented
[Expand]
function THTTPClient.GetResponseHeader(const AName:String):String;
Description: To be documented
[Expand]
function THTTPClient.GetResponseHeaderEx(const AName:String):TStringList;
Description: To be documented
[Expand]
function THTTPClient.GetResponseContentStream(AContent:TStream; ASize:LongWord):Boolean;
Description: To be documented
[Expand]
function THTTPClient.GetResponseContentString(var AContent:String; ASize:LongWord):Boolean;
Description: To be documented
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