## Uses of Class
javax.servlet.jsp.tagext.TagSupport

- Packages that use TagSupport
  Package | Description
  --- | ---
  javax.faces.webapp | Classes required for integration of JavaServer Faces into web applications, including a standard servlet, base classes for JSP custom component tags, and concrete tag implementations for core tags.
  javax.servlet.jsp.jstl.core | Classes and interfaces related to the core tag library component of the JavaServer Pages Standard Tag Library (JSTL).
  javax.servlet.jsp.tagext | Classes and interfaces for the definition of JavaServer Pages Tag Libraries.

- - ### Uses of TagSupport in javax.faces.webapp

    Subclasses of TagSupport in javax.faces.webapp
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AttributeTag` Deprecated. The Faces implementation must now provide the implementation for this class.
    `class` | `ConverterELTag` ConverterELTag is a base class for all JSP custom actions that create and register a `Converter` instance on the `ValueHolder` associated with our most immediate surrounding instance of a tag whose implementation class is a subclass of `UIComponentClassicTagBase`.
    `class` | `ConverterTag` Deprecated. This has been partially replaced by `ConverterELTag`. The remainder of the functionality, namely, the binding facility and the implementation of the `ConverterTag.createConverter()` method, is now an implementation detail.
    `class` | `FacetTag` FacetTag is the JSP mechanism for denoting a `UIComponent` is to be added as a `facet` to the component associated with its parent.
    `class` | `ValidatorELTag` ValidatorELTag is a base class for all JSP custom actions that create and register a `Validator` instance on the `EditableValueHolder` associated with our most immediate surrounding instance of a tag whose implementation class is a subclass of `UIComponentTag`.
    `class` | `ValidatorTag` Deprecated. This has been partially replaced by `ValidatorELTag`. The remainder of the functionality, namely, the binding facility and the implementation of the `ValidatorTag.createValidator()` method, is now an implementation detail.

  - ### Uses of TagSupport in javax.servlet.jsp.jstl.core

    Subclasses of TagSupport in javax.servlet.jsp.jstl.core
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ConditionalTagSupport` Abstract class that facilitates implementation of conditional actions where the boolean result is exposed as a JSP scoped variable.
    `class` | `LoopTagSupport` Base support class to facilitate implementation of iteration tags.

  - ### Uses of TagSupport in javax.servlet.jsp.tagext

    Subclasses of TagSupport in javax.servlet.jsp.tagext
    Modifier and Type | Class and Description
    --- | ---
    `class` | `BodyTagSupport` A base class for defining tag handlers implementing BodyTag.

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