HttpClient (gb.net.curl)

This class provides an HTTP client that sends requests to an HTTP server, and receives the response.

DefaultProxy

Returns or sets default proxy of all newly created HttpClient objects.

Static methods

Download

Properties

Auth	Return or set the HTTP authentication mode to use.
Code	Returns the HTTP Status Code sent by the server.
CookiesFile	Return or set the file that will be used for reading and storing cookies.
Encoding	Return or set the "Accept-Encoding" HTTP header.
Headers	Return the HTTP headers as a String array.
Reason	Return the HTTP reason string.
Redirect	Return or set if the HttpClient must follow HTTP redirections.
UpdateCookies	Return or set if cookies must be updated. The default value is False.
UserAgent	Returns or sets the UserAgent used to make the request.
Version	Return or set the HTTP protocol version to use.

Async	Returns or sets whether the FTP/HTTP request will be asynchronous.
Blocking	Returns or sets if the stream is blocking.
BufferSize	Returns or sets the preferred receive buffer size, between 0 and 512 KB.
ByteOrder	Returns or sets the byte order used to read or write binary data to the stream.
Debug	Returns or sets the debugging mode.
Downloaded	Returns the number of bytes that have been downloaded.
EndOfFile	This property signals whether the last use of LINE INPUT reached the end of file, instead of reading a full line with an end-of-line character.
EndOfLine	Return or set the newline separator used by this stream.
Eof	Return if a stream reached its end.
ErrorText	Return the error string associated with the error code returned by the curl library.
Handle	Returns the system file descriptor associated with this Stream.
IsTerm	Return if a stream is associated with a terminal.
Lines	Returns a virtual object that allows you to enumerate a stream line by line.
NoShare
NullTerminatedString	Return or set if strings are null-terminated when they are serialized.
Password	Returns or sets the password used for authorization.
Proxy	Returns a virtual object used for defining proxy parameters.
SSL	This virtual property allows to define the SSL properties of the CURL connection.
Status	Returns the status of the client.
Tag	Returns or sets the tag associated with the stream.
TargetFile	Return or set the target file used for download operations.
Term	Return a virtual object that allows to manage the terminal associated with the stream.
Timeout	Returns or sets the client timeout in seconds.
TotalDownloaded	Returns the total number of bytes that are expected to be downloaded.
TotalUploaded	Returns the total number of bytes that are expected to be uploaded.
URL	Return or set the URL of the resource to download.
Uploaded	Return the number of bytes that have been uploaded.
User	Returns or sets the user used for authorisation.

Methods

CopyFrom	Fill the HttpClient object from the properties of another HttpClient object.
Get	This method performs a call to the http server using the standard 'GET' method.
Head	This method performs a call to the http server using the standard 'HEAD' method.
Post	This method performs a call to the http server using the standard 'POST' method.
PostFile	Send a file through a POST request.
Put	Send some data to a specific URL by using the "PUT" method.
PutFile	Send a file through a PUT request.
Stop	Aborts the request.

Begin	Start to buffer data written to the stream, so that everything will be sent when the Send method is called.
Close	Closes the stream.
Drop	Drop the data that has been buffered since the last call to the Begin method.
Peek	Returns the contents of the internal stream buffer.
ReadLine	Read a line of text from the stream, like the LINE INPUT instruction.
Send	Send all the data, in one shot, since the last call to Begin.
Watch	Start or stop watching the stream file descriptor for reading or writing, after it has been opened.

Cancel	This event is raised when a request has been cancelled.
Connect	Raised when the connection is established.
Error	Raised when there was an error returned by the CURL library.
Finished	Raised when a command terminates correctly.
Progress	This event is raised periodically when something is downloaded or uploaded.
Read	Raised when there is some data received.

Example #1

Example #2

This second example shows how you can download a file from the internet asynchronously.

It calls the DownloadAsync method with your URL. Then, when the download is completed, it displays the received HTML in the Finished event handler.