java-4u / spring-boot-application-example

Spring boot example application written in Java

Spring boot application example

The project is based on a small web service which uses the following technologies:

• Java 1.8

• Spring MVC with Spring Boot

• Database H2 (In-Memory)

• Maven

• The architecture of the web service is built with the following components:

  • DataTransferObjects: Objects which are used for outside communication via the API
  • Controller: Implements the processing logic of the web service, parsing of parameters and validation of in- and outputs.
  • Service: Implements the business logic and handles the access to the DataAccessObjects.
  • DataAccessObjects: Interface for the database. Inserts, updates, deletes and reads objects from the database.
  • DomainObjects: Functional Objects which might be persisted in the database.

How to start the app

You should be able to start the example application by executing com.myapp.MyappServer, which starts a webserver on port 8080 (http://localhost:8080) and serves SwaggerUI where can inspect and try existing endpoints.

Useful commands

Useful curl commands to test. It can be tested with swagger also: http://localhost:8080/swagger-ui.html

curl -u user:password "http://localhost:8080/v1/cars"
curl -u user:password "http://localhost:8080/v1/drivers?onlineStatus=ONLINE"
curl -u user:password "http://localhost:8080/v1/drivers?onlineStatus=ONLINE&deleted=false"
curl -u user:password "http://localhost:8080/v1/drivers?onlineStatus=ONLINE&deleted=false&username=driver01"
curl -u user:password -X PUT "http://localhost:8080/v1/drivers/4/car/4545PWR"