Building Web Services with Java EE 8
Section 6: Advanced REST APIs

Videos

Video 6.1: Apply Design by Contract: Adding validation.

In this video we are implementing validation for the inputs of a REST resource.

Method	URI	Status	Description
GET	/api/validation/books	200	List of books
GET	/api/validation/books/{ISBN}	200 or 400	A book by ISBN or invalid request
POST	/api/validation/books	201 or 400	Create a book new book or invalid request

Video 6.2: Using JSON Web Token (JWT) for Authentication

In this video we are implementing a JWT based authentication for a REST resource.

Method	URI	Status	Description
GET	/api/jwt/authentication	200 or 401	Get authentication details or unauthorized response

Video 6.3: Diagnosability: Logging, Tracing and Metrics

In this video is showing how to subscribe and broadcast SSE events to all registered clients.

Method	URI	Status	Description
GET	/metrics	200	Get the current metrics registry as JSON
POST	/api/metrics/timed	204	Do a timed POST request, will be recorded in the metrics registry
POST	/api/metrics/counted	204	Do a counted POST request, will be recorded in the metrics registry
GET	/health	200	Perform a healtcheck and return response

Building and Running

$ mvn clean verify

$ docker build -t advanced-service:1.0 .
$ docker run -it -p 8080:8080 advanced-service:1.0