November 2002
Intermediate to advanced
464 pages
14h 34m
English
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The JSP Standard Tag Library (JSTL)
The intent of the early JSP specification group members was to define a set of standard JSP tags within the specification. This would allow vendors to generate their own versions of the standard tags but also allow developers to count on this set of standard tags to be available in all compliant containers. However, due to time constraints, that feature of the early JSP specification was not included.
Since then, many vendors have created their own versions of commonly used tag libraries, but these versions are different enough that developers can’t easily port their JSP pages from one container to another without having to modify the pages. JSR 52, the JSP Standard Tag Library (JSTL), aims to fix that problem.
JSR 52 defines a set of standard tags that should be present in any compliant container. The first version of the specification has been finalized and approved, and the group has released a reference implementation of the tag library.
The tags provided in the first release can be grouped into four distinct areas:
Core tags
Internationalization tags
XML tags
SQL tags
JSTL Core Tags
The core
tags include those related to expressions, flow control, and a
generic way to access URL-based resources whose content can then be
included or processed within the JSP page. They include tags such as
if, forEach,
import, redirect, and many
more.
JSTL Internationalization Tags
The internationalization tags are divided into two groups: messaging and formatting. ...
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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.