New JSON library

Context

There is now a decision from the ASF VP Legal to move the JSON library to "Category X" and therefore forbid its inclusion in released. It's a good opportunity for us to evaluate another, more mainstream, JSON library.

Affected modules

As of r1771785, the following modules declare a dependency on org.json or - in the case of commons.long - embed source code from it

• bundles/commons/json
• bundles/commons/log-webconsole
• bundles/commons/metrics
• launchpad/builder
• contrib/extensions/slf4j-mdc
• tooling/ide/impl-resource-test

Candidates

Apache Johnzon

Cons:

• Is not OSGi ready, see dev@johnzon: Using johnzon-core in an OSGi container

GSON

Jackson