## Package org.codehaus.groovy.grails.validation

Interface Summary
CascadingValidator: Extends the default Spring Validator interface and provides an additional method that specifies whether validation should cascade into associations
Constraint: Interface that defines a validatable constraint
ConstraintFactory: A factory for creating constraint instances
VetoingConstraint: Marker interface for vetoing constraint.

Class Summary
AbstractConstraint
AbstractVetoingConstraint: TODO: write javadoc
BlankConstraint: A Constraint that validates a string is not blank
ConstrainedProperty: Provides the ability to set contraints against a properties of a class.
ConstrainedPropertyBuilder: Builder used as a delegate within the "constraints" closure of GrailsDomainClass instances
CreditCardConstraint: A constraint class that validates a credit card number
EmailConstraint: A Constraint that validates an email address
GrailsDomainClassValidator: A specialised Spring validator that validates a domain class instance using the constraints defined in the static constraints closure.
HibernateDomainClassValidator: A validator that first checks if the Hibernate PersistentCollection instance has been initialised before bothering to cascade
InListConstraint: A constraint that validates the property is contained within the supplied list
MatchesConstraint: A constraint that validates the property against a supplied regular expression
MaxConstraint: A Constraint that implements a maximum value constraint
MaxSizeConstraint: A constraint that validates maximum size of the property, for strings and arrays this is the length, collections the size and numbers the value
MinConstraint: A Constraint that implements a minimum value constraint
MinSizeConstraint: A constraint that validates minimum size or length of the property, for strings and arrays this is the length, collections the size and numbers the value
NotEqualConstraint: A Constraint that validates not equal to something
NullableConstraint: A Constraint that validates not equal to something
RangeConstraint: A Constraint that validates a range
ScaleConstraint: A constraint to manage the scale for floating point numbers (i.e., the number of digits to the right of the decimal point).
SizeConstraint: A constraint that validates size of the property, for strings and arrays this is the length, collections the size and numbers the value
UrlConstraint: A Constraint that validates a url
ValidatorConstraint: A constraint class that validates using a user-supplied closure.

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