February 2017
Intermediate to advanced
1023 pages
24h 11m
English
book
Spring: Developing Java Applications for the Enterprise
by Ravi Kant Soni, Amuthan Ganeshan, Rajesh RV
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Servlet filters review
Spring Security is developed on top of the Spring Framework and uses the filters concept in the Servlet engine. Filters are like Servlet; they come into action when any request comes to Servlet and can decide whether the request should be forwarded to Servlet or not. Spring Security registers a single javax.servlet.Filter, that is, the DelegatingFilterProxy.
Before starting with Spring Security, let's quickly recall what Servlet filters are. In the following figure, a user enters the URL in the browser. The request comes to the container and then to Servlet after referring to web.xml for Servlet mapping with respecting URL. After processing the request, the request goes back to the user.
A Filter is present between Servlet ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.