public class RequiredValidator extends java.lang.Object implements Validator
A Validator that checks for an empty value in the same way that UIInput checks for a value. In fact, this validator is equivalent to setting the required attribute on the input component to true.
Modifier and Type | Field and Description |
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static java.lang.String |
VALIDATOR_ID
The standard converter id for this converter.
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NOT_IN_RANGE_MESSAGE_ID
Constructor and Description |
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RequiredValidator() |
Modifier and Type | Method and Description |
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void |
validate(FacesContext context,
UIComponent component,
java.lang.Object value)
Verify that the converted object value is not null.
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public static final java.lang.String VALIDATOR_ID
The standard converter id for this converter.
public void validate(FacesContext context, UIComponent component, java.lang.Object value)
Verify that the converted object value is not null.
validate
in interface Validator
context
- FacesContext for the request we are processingcomponent
- UIComponent we are checking for correctnessvalue
- the value to validateValidatorException
- if validation failsOracle and/or its affiliates. All Rights Reserved. Use is subject to license terms