org.hibernate.validator.constraints.impl

Class DigitsValidatorForString

java.lang.Object

org.hibernate.validator.constraints.impl.DigitsValidatorForString

All Implemented Interfaces:

ConstraintValidator<Digits,String>

public class DigitsValidatorForString
extends Object
implements ConstraintValidator<Digits,String>

Validates that the String being validated consists of digits, and matches the pattern defined in the constraint.

Author:

Alaa Nassef, Hardy Ferentschik

Constructor Summary

Constructors

Constructor and Description
DigitsValidatorForString()

Method Summary

Methods

Modifier and Type	Method and Description
void	initialize(Digits constraintAnnotation) Initialize the validator in preparation for isValid calls.
boolean	isValid(String str, ConstraintValidatorContext constraintValidatorContext) Implement the validation logic.

Methods inherited from class java.lang.Object

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

Constructor Detail

DigitsValidatorForString

public DigitsValidatorForString()

Method Detail

initialize

public void initialize(Digits constraintAnnotation)

Description copied from interface: ConstraintValidator

Initialize the validator in preparation for isValid 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.

Specified by:

initialize in interface ConstraintValidator<Digits,String>

Parameters:

constraintAnnotation - annotation instance for a given constraint declaration

isValid

public boolean isValid(String str,
              ConstraintValidatorContext constraintValidatorContext)

Description copied from interface: ConstraintValidator

Implement the validation logic. The state of value must not be altered. This method can be accessed concurrently, thread-safety must be ensured by the implementation.

Specified by:

isValid in interface ConstraintValidator<Digits,String>

Parameters:

str - object to validate

constraintValidatorContext - context in which the constraint is evaluated

Returns:

false if value does not pass the constraint