DAP4: XML Data Service: Difference between revisions

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(Created page with "== Overview == Return requested data in an XML document. == Request == The XML Data Service is invoked by appending the suffix <font size="2"><code>.xdap</code></font> to the f...")
 
 
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== Response ==
== Response ==


The XML Data response is a repackaging of the data requested from underlying data resource into anXML document that is based on the DAP4 Dataset document. Essentially the Dataset XML document is marked up to add data values.
This service provides data responses in XML format. When invoked the constrained Dataset response document (DDX) will be marked up with the data values of the request and returned. Large requests may be denied.


== Errors ==
== Errors ==

Latest revision as of 17:39, 5 April 2012

Overview

Return requested data in an XML document.

Request

The XML Data Service is invoked by appending the suffix .xdap to the file part of the dataset's referent (aka base) URL and then dereferencing the new URL. The XML Data Service accepts an optional query string (constraint expression), If present a query string (constraint expression) will be handled as it would for Data Service request.

Response

This service provides data responses in XML format. When invoked the constrained Dataset response document (DDX) will be marked up with the data values of the request and returned. Large requests may be denied.

Errors

DAP4: Error Response.