In the first part of this "Auto-save JSF forms with Ajax" series, author and
Java developer Andrei Cioroianu showed you how to build Java applications that
automatically save Web forms, using Asynchronous JavaScript + XML (Ajax) and
JavaServer Faces (JSF) technologies. You learned how to obtain, encode, and submit
form data with JavaScript and XMLHttpRequest, how to adapt the JSF request
processing life cycle for handling Ajax requests, and how to get the submitted data
from the JSF component tree on the server side. In this second installment of the
three-part series, you will see how to identify anonymous users across browser
sessions, how to manage the auto-saved form data for multiple users and pages, how
to choose a data repository, and how to deal with thread-safety issues.

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