Palladian Nodes for KNIME Workbench version 18.104.22.168907271536 by palladian.ws; Philipp Katz, Klemens Muthmann, David Urbansky.
This node allows to perform different HTTP methods:
The node allows to transfer content, which must be given as binary or string data. It handles cookies and allows to specify arbitrary
Results of the “HTTP Retriever” node are provided as “HTTP Result” cell type. The HTTP Result type bundles the actual binary content of the result, status code, and all HTTP response headers. In case you want to extract header information from an HTTP Result, use the “HTTP Result Data Extractor” node.
In case you want to send content with your HTTP requests (typically for
can select a Binary cell as input in the HTTP Retriever node’s configuration. For building a form-encoded request,
use the “Form Encoded HTTP Entity Creator” node, where you can transform string columns to encoded key-value data.
Do not forget to specify HTTP entity content type in HTTP Retriever’s configuration afterwards.
Multipart-encoded requests can be created using the “Multipart Encoded HTTP Entity Creator” node. It requires one or more binary input columns and creates (1) a combined multipart-encoded column, (2) column with the content type header, including the delimiter. Connect an HTTP Retriever node and select appended binary column as HTTP entity input, and use a flow variable to set the proper HTTP entity content type.
Cookies which are created during the node’s execution are output to the HTTP Retriever’s second output port. In case you want to send cookies with a request, use the second (optional) input port of the HTTP Retriever node. When performing sequential requests with multiple HTTP Retriever nodes, you can simply chain the cookie in- and out-ports to hand the cookies through the workflow.
GETwill be assumed for all URLs. Supported methods are:
To use this node in KNIME, install Palladian Nodes for KNIME Workbench from the following update site:
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