Building Web Services with Java EE 8
Section 3: Using Server-sent Events (SSE)

Videos

Video 5.1: What are Server-Sent Events?

In this video we are talking about the benefits and possible usage scenarios of Server-sent events.

Video 5.2: Implementing SSE on the server-side

In this video we are implementing simple asynchronous web services.

Method	URI	Media Type	Description
GET	/api/events	text/event-stream	Get and open the SSE stream to receive push events
POST	/api/events	/	Post any message to be pushed to an open SSE stream
DELETE	/api/events	/	Close any open SSE event stream

Video 5.3: Implementing SSE REST clients

In this video we are showing how to implement a JAX-RS REST client sending and receiving SSE.

Video 5.4: Implementing and sending SSE broadcasts

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

Method	URI	Media Type	Description
GET	/api/broadcast	text/event-stream	Get and open the SSE stream of broadcasted messages
POST	/api/broadcast	application/x-www-form-urlencoded	Send a broadcast message

Building and Running

$ mvn clean verify

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