Since Metacat Servlet is a subclass of HttpServlet, this allows any client to communicate with Metacat by essentially passing a URL with embedded servlet parameters. Metacat Servlet provides an HTTP Interface and can handle GET and POST requests. HTTP requests are sent from the the Client application and contain a number of parameters. Extensions of HttpServlet Metacat Server adds the functionality for writing, quering, and reading of XML stored in the Metacat Database as well functions for validating and transforming XML documents.
Possible values are 'html' or 'xml'.
This is explained in more detail in Queries and Results . A value placed in this parameter will be searched for in any document in any node. Perform a free text query. Overwrite a document with a new one and give the new one the same docid but with next revision number. Read DTD or XMLSchema file for the specified doctype.