net.sf.jsefa.common.validator.provider
Class ValidatorProvider

java.lang.Object
  net.sf.jsefa.common.validator.provider.ValidatorProvider

public final class ValidatorProvider
extends Object

Provider for Validators.

Each Validator must have a static factory method create , which is either parameterless or has exactly one parameter of type ValidatorConfiguration.

It is thread-safe.

Author:

Norman Lahme-Huetig

Constructor Summary

ValidatorProvider()
Constructs a ValidatorProvider.

Method Summary

ValidatorProvider	createCopy() Creates a copy of this ValidatorProvider.
Validator	getForObjectType(Class<?> objectType, String[] constraints) Returns a Validator for the given object type and constraints.
Validator	getForValidatorType(Class<? extends Validator> validatorType, Class<?> objectType, String[] constraints) Returns an instance of the given Validator type initialized with the given constraints.
boolean	hasValidatorFor(Class<?> objectType) Returns true if and only if this provider has a Validator for the given object type.
void	registerValidatorType(Class<?> objectType, Class<? extends Validator> validatorType) Registers the given Validator type as being responsible for values of the given object type.

Methods inherited from class java.lang.Object

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

Constructor Detail

ValidatorProvider

public ValidatorProvider()

Constructs a ValidatorProvider.

Method Detail

createCopy

public ValidatorProvider createCopy()

Creates a copy of this ValidatorProvider.

Returns:

a copy of this ValidatorProvider

hasValidatorFor

public boolean hasValidatorFor(Class<?> objectType)

Returns true if and only if this provider has a Validator for the given object type.

Parameters:

objectType - the type of the object a validator is needed for

Returns:

true if this provider has a Validator for the given type; false otherwise.

getForObjectType

public Validator getForObjectType(Class<?> objectType,
                                  String[] constraints)

Returns a Validator for the given object type and constraints.

Parameters:

objectType - the type of the object a validator is needed for

constraints - the constraints the validator must be initialized with

Returns:

the validator.

getForValidatorType

public Validator getForValidatorType(Class<? extends Validator> validatorType,
                                     Class<?> objectType,
                                     String[] constraints)

Returns an instance of the given Validator type initialized with the given constraints.

Parameters:

validatorType - the Validator type

objectType - the type of the object a validator is needed for

constraints - the constraints to initialize the validator with

Returns:

the validator

registerValidatorType

public void registerValidatorType(Class<?> objectType,
                                  Class<? extends Validator> validatorType)

Registers the given Validator type as being responsible for values of the given object type.

Parameters:

objectType - the object type

validatorType - the Validator type