April 2012
Intermediate to advanced
942 pages
26h 1m
English
Content preview from Pro Spring 3
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C H A P T E R 14
Validation with Type Conversion and Formatting
In an enterprise application, validation is critical. The purpose of validation is to verify that the data being processed fulfills all predefined business requirements as well as to ensure the data integrity and usefulness in other layers of the application.
In application development, data validation is always mentioned along with conversion and formatting. The reason is that most likely the format of the source of data is different from the format being used in the application server. For example, in a web application, a user enters information in the web browser frontend. When the user saves the data, the data is sent to the server (after the local validation has completed). ...
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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.
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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.