Jsf link html tag

JSF h:link tag is used to render HTML anchor element.

JSF tag:

<h:link value="Click here" outcome="nextPage" />

Rendered HTML tag:

<a href="/JavaServerFaces/faces/nextPage.xhtml">Click here</a>

Note: We can add parameter to generated link by using f:param.

<h:link value="Click here" outcome="nextPage" >
<f:param name="id" value="1" />
</h:link>

Rendered HTML tag:

<a href="/JavaServerFaces/faces/nextPage.xhtml?id=1">Click here</a>

Attributes of h:link tag.

Attribute	Description
id	id for the tag
binding	Reference to the component used in a backing bean
rendered	A boolean value; false would suppress rendering
styleClass	Cascading stylesheet (CSS) class name
value	value binding
valueChangeListener	A method binding that responds to value changes
converter	Converter class name
validator	Class name of a validator attached to the component
required	A boolean; if true, marks the tag as required
accesskey	gives focus to an element
accept	Comma-separated list of content types for a form
accept-charset	Comma- or space-separated list of character encodings for a form.
alt	Alternative text for nontextual elements such as images
border	Pixel value for an element’s border width
charset	Character encoding for a linked resource
coords	Coordinates for an element whose shape is a rectangle, circle, or polygon
dir	Direction for text. Valid values are ltr (left to right) and rtl (right to left).
hreflang	Base language of a resource specified with the href attribute;
lang	Base language of an element’s attributes and text
maxlength	Maximum number of characters for text fields
readonly	Read-only state of an input field
rel	Relationship between the current page and linked page
rev	Reverse link from the anchor specified with href to the current document.
style	Inline style information
tabindex	Numerical value specifying a tab index
target	The name of a frame in which a document is opened
title	A title used for accessibility. Browsers typically create tooltips for the title’s value
type	Type of a link; for example, stylesheet
width	Width of an element
onblur	Event handler for losing focus
onchange	Event handler for value changes
onclick	Event handler for Mouse button clicked over the element
ondblclick	Event handler for Mouse button double-clicked
onfocus	Event handler for element received focus
onkeydown	Event handler for Key pressed
onkeypress	Event handler for Key pressed and released
onkeyup	Event handler for Key released
onmousedown	Event handler for Mouse button pressed
onmousemove	Event handler for mouse moved
onmouseout	Event handler for mouse left
onmouseover	Event handler for mouse moved onto
onmouseup	Event handler for mouse button released
onreset	Event handler for form reset
onselect	Event handler for Text selected

Example:

test.xhtml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:ui="http://java.sun.com/jsf/facelets">
	<h:head>
		<title>JSF link example.</title> 
	</h:head>
    <h:body> 
      <h3>JSF link example.</h3>
      <h:form>
         <h:link value="Say Hello" outcome="welcome" />
      </h:form>
    </h:body>
 
</html>

welcome.xhtml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:ui="http://java.sun.com/jsf/facelets">
	<h:head>
		<title>JSF link example.</title>
	</h:head>
    <h:body> 
      <h3>Hello World.</h3>
    </h:body>
 
</html>

faces-config.xml

<?xml version="1.0" encoding="windows-1252"?>
<faces-config version="2.0" 
xmlns="http://java.sun.com/xml/ns/javaee" 
xmlns:xi="http://www.w3.org/2001/XInclude" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd">
 
</faces-config>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 
    	xmlns="http://java.sun.com/xml/ns/javaee" 
    	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    	http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
 
    <servlet>
        <servlet-name>faces</servlet-name>
        <servlet-class>
          javax.faces.webapp.FacesServlet
        </servlet-class>
    </servlet>
 
	<servlet-mapping>
        <servlet-name>faces</servlet-name>
        <url-pattern>/faces/*</url-pattern>
    </servlet-mapping>
 
</web-app>

URL:

http://localhost:7001/JSFExample16/faces/test.xhtml

Output:

JSF example16-1 Click on Say Hello link. JSF example16-2 Download this example.

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