JSF - Validator Tags


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JSF Validator Tags

JSF provides inbuilt validators to validate its UI components. These tags can validates length of field, type of input which can be a custom object.

For these tags you need to use the following namespaces of URI in html node.

<html 
   xmlns="http://www.w3.org/1999/xhtml" 
   xmlns:f="http://java.sun.com/jsf/core"  
>

Following are important Validator Tags in JSF 2.0:

S.N.Tag & Description
1

f:validateLength

Validates length of a string

2

f:validateLongRange

Validates range of numeric value

3

f:validateDoubleRange

Validates range of float value

4

f:validateRegex

Validate JSF component with a given regular expression.

5

Custom Validator

Creating a custom validator



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