To define a tag, you need to:
Develop a tag handler and helper classes for the tag
Declare the tag in a tag library descriptor
This section describes the properties of tag handlers and TLDs and explains how to develop tag handlers and library descriptor elements for each type of tag introduced in the previous section.
A tag handler is an object invoked by a Web container to evaluate a custom tag during the execution of the JSP page that references the tag. Tag handlers must implement either the Tag or BodyTag interface. Interfaces can be used to take an existing Java object and make it a tag handler. For newly created handlers, you can use the TagSupport and BodyTagSupport classes as base classes. These classes and ...