Protoroutes is an sbt plugin which can generate the following from .proto file.
- Play Framework's
Routerwhich handles Protocol Buffers and JSON requests - Scala.js client which communicates with the
Router
++---------------++
|| || protoroutes +-----------------+
|| || =============> | Scala.js client |
|| || +-----------------+
|| || ^ +-----------------+
|| || | +----------------->| REST API client |
|| || | | +-----------------+
|| || REST API (PB) \ / REST API (JSON)
|| service.proto || |
|| || v
|| || protoroutes +----------------+
|| || =============> | Play Router |
|| || +----------------+
|| || | Your own |
|| || | implementation |
|| || | of `service` |
|| || ScalaPB +----------------+
|| || =============> | gRPC Interface |
|| || +----------------+
++---------------++ ^
gRPC | +-----------------+
+------------------>| gRPC client |
+-----------------+
The idea of protoroutes is based on btlines/grpcgateway.