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Recipes REST API in Java, using play framework

This project is an example of play framework use, wich contains the following features:

  • REST resources design (routes)
  • Operation resources design (verbs)
  • Models: attributes, finder, etc
  • 1 to 1 model relation
  • 1 to N model relation
  • N to M model relation (adapation, see References)
  • Model validations
  • Custom validations
  • Controllers
  • JSON and XML views
  • i18n (internationalization): English and Spanish
  • Cache (only for fun, 5 seconds in GET methods. POST and PUT remove cache.)
  • Action composition

Prerequisites include:

  • Java Software Developer's Kit (SE) 1.8 or higher
  • sbt 0.13.15 or higher (we recommend 1.2.3) Note: if you downloaded this project as a zip file from https://developer.lightbend.com, the file includes an sbt distribution for your convenience.

To check your Java version, enter the following in a command window:

java -version

To check your sbt version, enter the following in a command window:

sbt sbtVersion

If you do not have the required versions, follow these links to obtain them:

Build and run the project

This API Play project was created from a seed template. It includes all Play components and an Akka HTTP server. The project is also configured with filters for Cross-Site Request Forgery (CSRF) protection and security headers.

To build and run the project:

  1. Use a command window to change into the example project directory, for example: cd recipe-api

  2. Build the project. Enter: sbt run. The project builds and starts the embedded HTTP server. Since this downloads libraries and dependencies, the amount of time required depends partly on your connection's speed.

  3. After the message Server started, ... displays, enter the following URL in a browser: http://localhost:9000

Plugins used

  • com.typesafe.play - sbt-plugin, Version 2.7.3
  • com.typesafe.sbt - sbt-play-ebean, Version 5.0.2

Methods

See a full documented postman collection here.

References