Event Stream Client for Server-Sent Events

How to use:

HttpEventStreamClient client = new HttpEventStreamClient("https://sse.example.com", new EventStreamAdapter() {
			
	@Override
	public void onEvent(HttpEventStreamClient client, Event event) {
		System.out.println("RECEIVED EVENT: "+event.toString());
	}
	@Override
	public void onClose(HttpEventStreamClient client, HttpResponse<Void> response) {
		System.out.println("SSE Client closed");
	}
});
client.start().join();

References: