HTTP Request Description

The HttpRequest component provides the request data to be sent to the server with the POST or GET methods. This component only prepares the HTTP request data. It does not send it over the HTTP protocol.

HttpRequest is an independent stand-alone component. So it is possible to use it with any other http client engines / components for composing Web HTTP requests formatted according to RFC standards: RFC 1867, RFC 1521

Please see the Demos code (FormPost, SubmitFile) and also the indexed Help documentation provided with the Clever Internet Suite installation for more details about using this component.

The most common members of the HttpRequest component can be seen below:

Supported HTTP request content types

Name   Description  BinaryRequestItem Implements the binary HTTP request storage for the Internet components.  FormFieldRequestItem Is a container for the web form field request data.  SubmitFileRequestItem Implements the file HTTP request storage for the Internet components.  TextRequestItem Provides the text HTTP request storage for the Internet components.

Property List

Name   Description  Header Gets or sets the necessary information about the request header fields (HttpRequestHeader object).  HeaderSource Returns a string list that represents the current Web HTTP request header.  Items Gets the request item at the specified index in the collection.  RequestSource Returns a string list that represents the current Web HTTP request.  TotalSize Gets the total data size in the request items collection.

Method List

Name   Description  BuildFormPostRequest Allows extracting the Web Form POST request from given HtmlParser control and building the HTTP request items.  BuildFormPostRequestByUrl Allows extracting the Web Form POST request from given URL and building the HTTP request items.  Clear Cleans all request members and assigns them to their initial values.

Event List

Name   Description  GetDataSourceStream Occurs when the parser is about to build the BinaryRequestItem request item and substitute its data to the resulting HTTP request.  GetDataStream Occurs when the parser is about to parse the BinaryRequestItem request item and store its data to the given stream object.  GetFormNumber Occurs when the component detects more than one Web FORM tags within the HTML source and requires for specifying which of Form tags should be processed.

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