This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
JSF can be integrated with spring (REST webservices APIs to be included) to make it RESTful. There is a step by step tutorial in the IBM website about using the REST webservice along with spring and JSF. You can check the same for more information.