Java EE Web Application Primer: Building Bullhorn: A Messaging App with JSP, Servlets, JavaScript, Bootstrap and Oracle

© Dave Wolf, A.J. Henley 2017

Dave Wolf and A.J. Henley, Java EE Web Application Primer, https://doi.org/10.1007/978-1-4842-3195-1_14

14. Users and Sessions

Dave Wolf¹  and A. J. Henley²

(1)New York, USA

(2)Washington, D.C., District of Columbia, USA

The user first accesses your site through the login page. The user’s email and password are validated against the database in the login servlet. A user email with the correct matching password is presumed to be a valid user. The valid user is retrieved from the database and stored in the User object . Recall that the User object is generated by the “JPA Generate Entities from Tables” option.

A User object that is stored in the session is easily available to every servlet or JSP in your site. The login ...