November 2002
Intermediate to advanced
464 pages
14h 34m
English
Content preview from Programming Jakarta StrutsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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New Features of Struts 1.1
The new features in Version 1.1 of the Struts framework are covered in detail throughout this book. Descriptions of the most important ones are provided here.
Declarative Exception Handling
Prior to 1.1, exception handling was completely left up to the application. There was no support for it in the core framework, and developers were left to their own devices to figure out how to handle exceptions within an application.
Starting with 1.1, exception handling is now part of the core framework. You can declaratively configure which exceptions that actions can throw and what should happen when they occur. Chapter 10 covers exception handling.
Dynamic ActionForms
A new type of ActionForm class was added in 1.1,
and broader support for it has been added throughout the entire
framework. The DynaActionForm and its subclasses
allow you to configure form-bean instances in the Struts
configuration file. This has the effect of saving development time
because you are no longer required to create
ActionForm classes.
Tip
It’s a little too general to say that
you’ll never need to create another
ActionForm class—however, the number of them
that you need to create should be drastically reduced.
See Chapter 7 for more information on this new feature.
Plug-ins
The PlugIn feature was added to the Struts framework to provide a mechanism to notify and initialize services when the Struts application starts up and shuts down. There is a wide range of possibilities for this feature, ...
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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.