ServletContextListener that initializes and finalizes the persistent storage of User and Subscription information for the Struts Demonstration Application, using an in-memory database backed by an XML file.

IMPLEMENTATION WARNING - If this web application is run from a WAR file, or in another environment where reading and writing of the web application resource is impossible, the initial contents will be copied to a file in the web application temporary directory provided by the container. 

Manifest constants for the MailReader application.

Validate a user login.

Log user out of the current session.

Base Action for MailreaderSupport application. 

Insert or update a User object to the persistent store.

Provide an Edit method for retrieving an existing subscription, and a Save method for updating or inserting a subscription.