JSP.6.2 Package javax.servlet.jsp.tagext

JSP.6.2 Package javax.servlet.jsp. tagext

The classes in the javax.servlet.jsp.tagext package are related to the tag extension mechanism. They are described in detail in Chapter JSP.5. In this section we will just briefly review and group them.

A brief description of the classes follows . Classes whose name ends in Info are translation-time classes. Instances that are initialized from the tag library descriptor are in bold italics:

BodyContent	Encapsulates the evaluation of a tag body.
Tag	The interface of a tag handler for an action that does not want to manipulate its body.
BodyTag	The interface of a tag handler for an action that wants to manipulate its body.
TagSupport	A base class for defining new tag handlers implementing Tag .
BodyTagSupport	A base class for defining new tag handlers implementing BodyTag .
TagAttributeInfo:	Information on the attributes of a tag.
TagData:	The attribute/value information for a tag instance. Used at translation time only.
TagExtraInfo	Tag author-provided class to describe additional translation-time information.
TagInfo:	Information needed by the JSP container at page compilation time.
TagLibraryInfo:	Information on a tag library.
VariableInfo	Information on scripting variables .