Spring5 Functional Web Framework Sample.

The project is a sample application that uses the functional web framework introduced in Spring 5.

Build

Use maven to build this project:

mvn clean instal

The structure of the project

Controller module contains

• UserController class with router functions.
• Application - starts as SpringBoot Application with Netty server.

Repository module contains

• User POJO object
• UserRepository Mongo reactive crud repository class.

Server module contains

• TomcatServer. Contains a main method to start the server using Tomcat server.
• NettyServer. Contains a main method to start the server using Reactor Netty server.
• Client. Contains a main method to start the client.

Running

As spring boot application

• Run the Application class

Reactor Netty server

• Run the NettyServer class

Tomcat server

• Run the TomcatServer class

Client

• Run the Client class

Usage

Sample curl commands

Instead of running the client, here are some sample curl commands that access resources exposed
by this sample:

Retrieve list of users

curl -v 'http://localhost:8080/users'

Retrieve user by id

curl -v 'http://localhost:8080/user/{id}'

Create new user

curl -d '{"name":"Jack Doe"}' -H 'Content-Type: application/json' -v 'http://localhost:8080/user'