How to write my own stock list data adapter with java

I looked at demo stock list data adapter given with light streamer and try to write my own data adapter.In my project when order submit to back end server, it gives massage that should push to each client(web browser). So how i can write my own data adapter to retrieve massage and send it to light streamer server.
Thanks in Advance

Regards
Pradeep

Covered in this other thread.