Basic sample code to present how to setup Spring Boot REST Controllers with JWT (JSON Web Token) and document it with Swagger v2 (also supporting JWT).
Credits goes to this code samples and tutorials:
JWT
https://github.com/nielsutrecht/jwt-angular-spring
http://www.svlada.com/jwt-token-authentication-with-spring-boot/
https://www.youtube.com/watch?v=mD3vmgksvz8
Swagger2
http://www.baeldung.com/swagger-2-documentation-for-spring-rest-api
http://heidloff.net/article/usage-of-swagger-2-0-in-spring-boot-applications-to-document-apis/