14.4. Including the Tag Body

Up to this point, all of the custom tags you have seen ignore the tag body and thus are used as stand-alone tags of the form

<prefix:tagname />

In this section, we see how to define tags that use their body content, and are thus used in the following manner:

<prefix:tagname>body</prefix:tagname>

The Tag Handler Class

In the previous examples, the tag handlers defined a doStartTag method that returned SKIP_BODY. To instruct the system to make use of the body that occurs between the new element's start and end tags, your doStartTag method should return EVAL_BODY_INCLUDE instead. The body content can contain JSP scripting elements, directives, and actions, just like the rest of the page. The JSP constructs are translated ...

Get Core Servlets and JavaServer Pages™ now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.