FlatPack Serialization Framework

FlatPack is serialization framework used by Perka to make its JPA entities available via REST to JavaScript, iOS, and Android clients.

Goals

Serialize arbitrary JPA object graphs into payloads that can be processed easily in non-Java environments.
Support role- and principal-based security on property access.
Integration with jax-rs (specifically Jersey).
Straightforward code generation of client libraries and documentation.
Minimize developer friction

apidoc and apidoc-plugin are used during the maven build process to make JavaDoc strings available to ApiDescriber.
client provides support code for generated client libraries.
core contains the serialization logic. The central types are FlatPack, Packer, and Unpacker.
demo-client and demo-server show a very simple JAX-RS server and how to use generated client code. The demo-client module also contains smoke-tests.
eclipse-plugin contains an m2eclipse connector for the FlatPack plugins. A pre-built drop-in is available at from the project downloads.
fast and fast-plugin, the FlatPack Automatic Source Tool, take an ApiDescription and generate client access libraries consisting of DTO objects and API request methods.
jersey wires FlatPack into Jersey's request dispatch logic. The ApiDescriber type will produce a FlatPack description of the API server's methods and entities.
search is utility code.

Additional documentation is available in the FlatPack wiki.