org.hibernate.validator.internal.constraintvalidators.bv.size

Class SizeValidatorForCollection

java.lang.Object

org.hibernate.validator.internal.constraintvalidators.bv.size.SizeValidatorForCollection

All Implemented Interfaces:

ConstraintValidator<Size,Collection<?>>

public class SizeValidatorForCollection
extends Object
implements ConstraintValidator<Size,Collection<?>>

Check that a collection's size is between min and max.

Author:

Hardy Ferentschik

Constructor Summary

Constructors

Constructor and Description
SizeValidatorForCollection()

Method Summary

Modifier and Type	Method and Description
void	initialize(Size parameters) Initializes the validator in preparation for ConstraintValidator.isValid(Object, ConstraintValidatorContext) calls.
boolean	isValid(Collection<?> collection, ConstraintValidatorContext constraintValidatorContext) Checks the number of entries in a collection.

Methods inherited from class java.lang.Object

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

Constructor Detail

SizeValidatorForCollection

public SizeValidatorForCollection()

Method Detail

initialize

public void initialize(Size parameters)

Description copied from interface: ConstraintValidator

Initializes the validator in preparation for ConstraintValidator.isValid(Object, ConstraintValidatorContext) calls. The constraint annotation for a given constraint declaration is passed.

This method is guaranteed to be called before any use of this instance for validation.

The default implementation is a no-op.

Specified by:

initialize in interface ConstraintValidator<Size,Collection<?>>

Parameters:

parameters - annotation instance for a given constraint declaration

isValid

public boolean isValid(Collection<?> collection,
                       ConstraintValidatorContext constraintValidatorContext)

Checks the number of entries in a collection.

Specified by:

isValid in interface ConstraintValidator<Size,Collection<?>>

Parameters:

collection - the collection to validate

constraintValidatorContext - context in which the constraint is evaluated

Returns:

true if the collection is null or the number of entries in collection is between the specified min and max values (inclusive), false otherwise.