This library is listed under the protobuf third party addons page ( http://code.google.com/p/protobuf/wiki/ThirdPartyAddOns ) as "Another JSON encoder/decoder for Java"
20/Aug/11 : Disted version 1.2 - Added support for text codec (courtesy aantono) - Support stripping of underscores and field name replacements for json (courtesy aantono)
03/Jan/11 : Disted version 1.1 - Base64 encode unknownfields instead of hex - Added support for byte protobuf type, ByteString is written out as a base64 encoded string.
08/Dec : Disted version 1.0 - Added support for xml - Added support for unknown fields - Split into a maven multi module project- core,xml and json - Removed com.google from package declaration.
06/Dec : - Mavenized and disted verion 0.0.1
- Needs Maven
- Needs protoc to run test cases.
- Jackson for json parsing.
- woodstox for xml parsing
- commons-codec for base64 encode/decode
Raise bugs/issues on git