Pinned topic java swing application and web front integration with ajax???

I have developed a java swing application that writes to a mysql db. I now decided to also have a web front end. I need the web page to update evrytime the database is update. I know that I can use ajax to dynamically update the web front end, but not sure how I can do this within the java / swing application. I wondered if someone can please help with a solution for my problem.

Thanks,
Paul