An example of Grails Spring WebSocket Integration.

A simple integration of Grails and Spring WebSocket where messages are sent to /topic or /queue and received at /app.

To show all the required possibilities of webSocket integration a UserController, PostService and CommentWebSocket is created.

When userId is provided, all posts and corresponding comments are published. After that when the same user posts - it agains get publish, and if any user comment on any posts - it also gets publish

Specifications are following:

Grails 3.2.9

grails-spring-websocket 2.4.1