org.codehaus.groovy.grails.validation
Class NullableConstraint

java.lang.Object
  org.codehaus.groovy.grails.validation.AbstractConstraint
      org.codehaus.groovy.grails.validation.AbstractVetoingConstraint
          org.codehaus.groovy.grails.validation.NullableConstraint

All Implemented Interfaces:

Constraint, VetoingConstraint, MessageSourceAware

public class NullableConstraint
extends AbstractVetoingConstraint

A Constraint that validates not null.

Since:

0.4

Author:

Graeme Rocher, Sergey Nebolsin

Field Summary

Fields inherited from class org.codehaus.groovy.grails.validation.AbstractConstraint

classShortName, constraintOwningClass, constraintParameter, constraintPropertyName, messageSource

Constructor Summary

NullableConstraint()

Method Summary

String	getName()
boolean	isNullable()
protected boolean	processValidateWithVetoing(Object target, Object propertyValue, Errors errors)
void	setParameter(Object constraintParameter) The parameter which the constraint is validated against
protected boolean	skipNullValues()
boolean	supports(Class type) Returns whether the constraint supports being applied against the specified type;

Methods inherited from class org.codehaus.groovy.grails.validation.AbstractVetoingConstraint

processValidate, validateWithVetoing

Methods inherited from class org.codehaus.groovy.grails.validation.AbstractConstraint

checkState, getDefaultMessage, getPropertyName, rejectValue, rejectValue, rejectValue, rejectValue, rejectValue, rejectValueWithDefaultMessage, setMessageSource, setOwningClass, setPropertyName, skipBlankValues, toString, validate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.codehaus.groovy.grails.validation.Constraint

getPropertyName, setMessageSource, setOwningClass, setPropertyName, validate

Constructor Detail

NullableConstraint

public NullableConstraint()

Method Detail

isNullable

public boolean isNullable()

supports

public boolean supports(Class type)

Description copied from interface: Constraint

Returns whether the constraint supports being applied against the specified type;

Parameters:

type - The type to support

Returns:

True if the constraint can be applied against the specified type

setParameter

public void setParameter(Object constraintParameter)

Description copied from interface: Constraint

The parameter which the constraint is validated against

Specified by:

setParameter in interface Constraint

Overrides:

setParameter in class AbstractConstraint

Parameters:

constraintParameter - The constraintParameter to set.

getName

public String getName()

Returns:

The name of the constraint

skipNullValues

protected boolean skipNullValues()

Overrides:

skipNullValues in class AbstractConstraint

processValidateWithVetoing

protected boolean processValidateWithVetoing(Object target,
                                             Object propertyValue,
                                             Errors errors)

Specified by:

processValidateWithVetoing in class AbstractVetoingConstraint