Jettison is a new JSON parser collection of StAX (streaming XML) parsers and writers which read and write JSON. This allows nearly transparent enablement of JSON based web services in services frameworks like CXF.
There are currently two included conventions for mapping JSON to XML. The first, is BadgerFish which implements the full XML infoset in JSON using various techniques. The second, is called the “mapped” convention. It allows you to manually map XML namespaces to JSON element prefixes.
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Jettison, JSON, StAX Parser