StreamableKNIME REST Client Nodes version 4.3.0.v202011191618 by KNIME AG, Zurich, Switzerland
This node can be used to retrieve webpages by issuing HTTP GET requests
and parsing the
requested HTML webpages. For parsing,
is used as library which implements the
specification. The parsed HTML will be cleaned by removing comments
and, optionally, replacing relative URLs by absolute ones.
By default, the output table will contain a column with the parsed HTML converted into XHTML. However, you can specify to get the parsed HTML as string output instead.
The node allows you to either send a request to a fixed URL (which is specified in the dialog) or to a list of URLs provided by an optional input table. Every URL will result in one request which in turn will result in one row in the output table. You can define custom request headers in the dialog.
The node supports several authentication methods, e.g. BASIC and DIGEST. Other authentication methods may be provided by additional extensions.
Cookies can be send to the server via the Request Header tab by setting the "Cookie" header. In order to receive cookies, set the "Extract cookies" option. Any cookies sent by the server are then extracted and appended as a List Cell in the output.
5xx) will result in a missing value in the output containing the appropriate status code as well as the error message and the node will continue.
To use this node in KNIME, install KNIME REST Client Extension from the following update site:
A zipped version of the software site can be downloaded here.
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