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The Java EE 6 Tutorial, Volume I

Tag Library Support

JavaServer Faces technology supports different tag libraries to add components to a web page. To support the JavaServer Faces tag library mechanism, Facelets uses XML namespace declarations.

The following table Table 5–1 lists the tag libraries supported by Facelets.

Table 5–1 Tag Libraries Supported by Facelets

Tag Library 

URI 

Prefix 

Example 

Contents 

JavaServer Faces Facelets Tag Library 

http://java.sun.com/jsf/facelets 

ui:

ui:component

ui:insert

Tags for templating 

JavaServer Faces HTML Tag Library 

http://java.sun.com/jsf/html 

h:

h:head

h:body

h:outputText

h:inputText

JavaServer Faces component tags for all UIComponents.

JavaServer Faces Core Tag Library 

http://java.sun.com/jsf/core 

f:

f:actionListener

f:attribute

Tags for JavaServer Faces custom actions that are independent of any particular RenderKit.

JSTL Core Tag Library 

http://java.sun.com/jsp/jstl/core 

c:

c:forEach

c:catch

JSTL 1.1 Core Tags 

JSTL Functions Tag Library 

http://java.sun.com/jsp/jstl/functions  

fn:

fn:toUpperCase

fn:toLowerCase

JSTL 1.1 Functions Tags 

In addition, Facelets also supports tags for composite components for which you can declare custom prefixes. For more information on composite components, see Composite Components.