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Java™ After Hours: 10 Projects You'll Never Do at Work
book

Java™ After Hours: 10 Projects You'll Never Do at Work

by Steven Holzner
June 2005
Beginner to intermediate
336 pages
6h 29m
English
Sams
Content preview from Java™ After Hours: 10 Projects You'll Never Do at Work

Restricting Access Based on Password

At this point, you've made use of the response object in filters, but filters can also work with the request object, as WebLogger does. Using the request object lets you handle data on its way to the filtered web resource. For instance, one of the most popular uses of filters is to restrict access to web resources based on password; take a look at Figure 6.4, where an HTML page, login.html, is asking the user for his password.

Figure 6.4. Restricting access-based passwords with a filter.

If the user enters the correct password, he's OK'd by the filter, which passes control on to a JSP ...

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Publisher Resources

ISBN: 0672327473Purchase book