FinatraHelloWorld

• Build REST API via Scala via Finatra framework
• Finatra is an API framework build based on TwitterServer

Quick start

Quick start

Basics

Get API : FitmanAppGet.scala

sbt assembly
java -cp target/scala-2.11/finatrahelloworld_2.11-1.0.jar com.twitter.server.FitmanAppGet
# test API
curl http://localhost:8080/wazzup

• Check the API : http://localhost:8080/wazzup or http://localhost:8080/hello
• Check the admin page : http://localhost:9990/admin

Post API : FitmanAppPost.scala

sbt assembly
java -cp target/scala-2.11/finatrahelloworld_2.11-1.0.jar com.twitter.server.FitmanAppPost
# test API
curl -X POST -H "Content-Type: application/json" \
    -d '{ "id": 999, "name": "JACK"}' \
   localhost:8080/hi
# response
# ----> Hello JACK with id 999

Redirect API : FitmanAppRedirect.scala

sbt assembly
java -cp target/scala-2.11/finatrahelloworld_2.11-1.0.jar com.twitter.server.FitmanAppRedirect
# test API
curl http://localhost:8080/foo

• Check the API : http://localhost:8080/foo (/foo will redirect to /bar)

Json Patch API (dev) : FitmanAppJSONPatchRequests.scala

sbt assembly
java -cp target/scala-2.11/finatrahelloworld_2.11-1.0.jar com.twitter.server.FitmanAppJSONPatchRequests
# test API
curl -X PATCH -H "Content-Type:application/json-patch+json" \
    -d '{"op":"copy","from":"/fruit","path":"/veggie"}' \
   localhost:8080/jsonPatch

Advanced

Post-advanced API : FitmanAppPostAdvanced.scala

sbt assembly
java -cp target/scala-2.11/finatrahelloworld_2.11-1.0.jar com.twitter.server.FitmanAppPostAdvanced
# test API
curl -X POST -H "Content-Type: application/json" \
    -d '{ "sth": sth}' \
   localhost:8080/1.1/foo

curl localhost:8080/1.1/appendMultiplePrefixed

curl localhost:8080/1.1/freestyleWithHeader

curl -X POST -H "Content-Type: application/json" \
-d '{ "x": 100}' \
localhost:8080/post_basic/plus_100

curl -X POST -H "Content-Type: application/json" \
-d '{ "x": 100, "y":88}' \
localhost:8080/post_basic/sum

Test via python

sbt assembly
java -cp target/scala-2.11/finatrahelloworld_2.11-1.0.jar com.twitter.server.FitmanAppPostAdvanced

python api/run.py --httpRequest get --endPoint http://localhost:8080/hello
python api/run.py --httpRequest get --endPoint http://localhost:8080/1.1/plaintext

Build

sbt compile
sbt assembly

Run

• dev

Development

• dev

Ref

• https://twitter.github.io/finatra/index.html

• Finatral tutorial

  • https://shekhargulati.com/2017/09/14/finatra-tutorial-building-scalable-services-the-twitter-way/

• Slick doc

  • Typesafe‘s modern database query and access library for Scala
  • http://scala-slick.org/doc/3.0.0/supported-databases.html