December 2009
Intermediate to advanced
416 pages
10h
English
Content preview from Tomcat 6 Developer's Guide
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Filters
In this section, we'll see how a filter chain is constructed to handle an incoming request.
A FilterDef represents the<filter> element in the web application deployment descriptor. It describes a filter in terms of its name, its implementation class, and initialization parameters.
A FilterMap, on the other hand, represents the<filter-mapping> element. This element describes the servlet names, URL patterns, and dispatcher mappings that cause the filter to be engaged.
A FilterMap instance defines when a filter will be invoked. By default, a filter is invoked for incoming requests. However, you can specify that a filter should be invoked even ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.