Do Jackson and Gson directly implement the standard JSR-353?

Question

I couldn't find an answer to my question on the net (maybe I did not search well enough, since I am still a novice on this).

Could anyone tell me if Jackson and Gson implement the standard JSR 353: Java™ API for JSON Processing. I would like to write using standard code.

Answer 1

tl;dr

Use:

• JSON-P
• JSON-B

Update

The other two Answers are correct, but outdated. As they explain, Jackson does not directly implement any JSR.

However:

• There is a project providing a datatype module to help make Jackson more compatible with JSR 353: jackson-datatype-jsr353.
• JSR 353 is superseded by JSR 374: Java™ API for JSON Processing 1.1.
• The JCP continued work on JSON support, for processing of JSON as well as binding yielding the pair of JSRs: 374 JSON-P & 367 JSON-B.
  • JSR 374 defines JSON processing (JSON-P).
    • See project page for JSON-P.
    • A reference implementation can be found in Glassfish, the reference implementation of Jakarta EE (formerly known as Java EE).
  • JSR 367 provides binding capabilities (JSON-B).
    • See the project page for JSON-B.
    • Yasson is the reference implementation.

So you may indeed now write in standard code using JSON libraries other than Jackson.

Answer 2

No, neither implements this API natively, nor has plans (that I know of) to implement it. As far as JCP standards go, this is DOA; it offers very little (dumbed-down streaming API, no data-binding at all), and there is very little incentive for anyone to implement it, except to add compatibility check-box for set of JSRs implemented.

There is a Jackson-based JSR-353 implementation available at https://github.com/pgelinas/jackson-javax-json/ however, if you really think it is good idea to base your code on this API.