Reviews : Java Books :
Professional Java Server Programming J2EE Edition : Chapter 12

Title: Professional Java Server Programming J2EE Edition ISBN: 1861004656 US Price: $ 64.99 Canadian Price: C$ 97.95 UK Price: £ 46.99 Publication Date: September 2000 Pages: 1633 © Wrox Press Limited, US and UK.

The javax.servlet.jsp.tagext.BodyTag Interface

BodyTag extends Tag, adding extra callbacks and other methods allowing the developer to work with the content of the tag.

A sequence diagram displays the interaction between calling JSP and tag handler in the case of a body tag; as you can see, it is somewhat more complex than that of the Tag interface:

The extra steps involve the preservation of the JSP's JSPWriter (messages 5 and 10), and the possibility of repeated calls to the doAfterBody() method, which enables the BodyTag implementation to take control of the tag's execution at runtime.

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