javax.faces.validator

Class RequiredValidator

java.lang.Object

javax.faces.validator.RequiredValidator

All Implemented Interfaces:

EventListener, Validator

@JSFValidator(name="f:validateRequired",
              bodyContent="empty")
@JSFJspProperty(name="binding",
                returnType="javax.faces.validator.RequiredValidator",
                longDesc="A ValueExpression that evaluates to a RequiredValidator.")
public class RequiredValidator
extends Object
implements Validator

Check if a value is empty, in the same way as set UIInput required property to true (including all rules related to this property).

Since:

2.0

Field Summary

Fields

Modifier and Type	Field and Description
static String	VALIDATOR_ID

Fields inherited from interface javax.faces.validator.Validator

NOT_IN_RANGE_MESSAGE_ID

Constructor Summary

Constructors

Constructor and Description
RequiredValidator()

Method Summary

Methods

Modifier and Type	Method and Description
void	validate(FacesContext facesContext, UIComponent uiComponent, Object value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

VALIDATOR_ID

public static final String VALIDATOR_ID

See Also:

Constant Field Values

Constructor Detail

RequiredValidator

public RequiredValidator()

Method Detail

validate

public void validate(FacesContext facesContext,
            UIComponent uiComponent,
            Object value)
              throws ValidatorException

Specified by:

validate in interface Validator

Throws:

ValidatorException