Using the Core Tags

The tags included in the JavaServer Faces core tag library are used to perform core actions that are independent of a particular render kit. These tags are listed in Table 18-1.

Table 18-1 The jsf_core Tags

Tag Categories	Tags	Functions
Event-handling tags	actionListener	Registers an action listener on a parent component
	valueChangeListener	Registers a value-change listener on a parent component
Attribute configuration tag	attribute	Adds configurable attributes to a parent component
Data conversion tags	converter	Registers an arbitrary converter on the parent component
	convertDateTime	Registers a DateTime converter instance on the parent component
	convertNumber	Registers a Number converter instance on the parent component
Facet tag	facet	Signifies a nested component that has a special relationship to its enclosing tag
Localization tag	loadBundle	Specifies a ResourceBundle that is exposed as a Map
Parameter substitution tag	param	Substitutes parameters into a MessageFormat instance and adds query string name-value pairs to a URL
Tags for representing items in a list	selectItem	Represents one item in a list of items in a UISelectOne or UISelectMany component
	selectItems	Represents a set of items in a UISelectOne or UISelectMany component
Container tag	subview	Contains all JavaServer Faces tags in a page that is included in another JSP page containing JavaServer Faces tags
Validator tags	validateDoubleRange	Registers a DoubleRangeValidator on a component
	validateLength	Registers a LengthValidator on a component
	validateLongRange	Registers a LongRangeValidator on a component
	validator	Registers a custom validator on a component
Output tag	verbatim	Generates a UIOutput component that gets its content from the body of this tag
Container for form tags	view	Encloses all JavaServer Faces tags on the page

These tags are used in conjunction with component tags and are therefore explained in other sections of this tutorial. Table 18-2 lists the sections that explain how to use specific jsf_core tags.

Table 18-2 Where the jsf_core Tags Are Explained

Tags	Where Explained
Event-handling tags	Registering Listeners on Components
Data conversion tags	Using the Standard Converters
facet	The UIData Component and The UIPanel Component
loadBundle	Using Localized Messages
param	Using the outputFormat Tag and
selectItem and selectItems	The UISelectItem, UISelectItems, and UISelectItemGroup Components
subview	Setting Up a Page
verbatim	Using the outputLink Tag
view	Setting Up a Page
Validator tags	Using the Standard Validators and Creating a Custom Validator