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

static String

VALIDATOR_ID

Fields inherited from interface javax.faces.validator.Validator

NOT_IN_RANGE_MESSAGE_ID

Constructor Summary

RequiredValidator()

Method Summary

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