nl.knowlogy.validation
Interface ClassValidator

All Known Implementing Classes:

ClassValidatorImpl

public interface ClassValidator

A ClassValidator is responsible for validation object's. It can validate objects of specific classes.

Therefore you can

• Registration of PropertyValidation instances.
• Validate a object instance based on registered instances of PropertyValidation

Author:

Robert Hofstra, Knowlogy

See Also:

PropertyValidation

Method Summary

void	add(PropertyValidation propertyValidation)
void	addPropertyToGroups(String groupNames, String propertyName)
Class	getClazz() Returns clazz that can be validated by this validator.
void	validate(Object toValidate) Validates the object, if an error is signaled a Validation exception is thrown.
void	validate(Object toValidate, Messages messages) Validates the whole object.
void	validateGroup(Object toValidate, String groupName, Messages messages) Validates only the properties, which are contained in the group.
void	validateProperties(Object toValidate, List propertyNames, Messages messages) Validates only the properties, supplied in de propertyNames list, of the object toValidate.

Method Detail

getClazz

Class getClazz()

Returns clazz that can be validated by this validator. Subclasses of this class can also be validated by this class.

Returns:

class

add

void add(PropertyValidation propertyValidation)

Parameters:

propertyValidation -

addPropertyToGroups

void addPropertyToGroups(String groupNames,
                         String propertyName)

Parameters:

groupNames -

propertyName -

validate

void validate(Object toValidate)

Validates the object, if an error is signaled a Validation exception is thrown.

Parameters:

toValidate - object to validate

validate

void validate(Object toValidate,
              Messages messages)

Validates the whole object. In case of validation errors, validation messages are added to the messages.

Parameters:

toValidate - object to validate

messages - container to which validate messages are added.

validateGroup

void validateGroup(Object toValidate,
                   String groupName,
                   Messages messages)

Validates only the properties, which are contained in the group. This group is identified by groupname. In case of validation errors, validation messages are added to the messages.

Parameters:

toValidate - object which group is validated.

groupName - name of the group.

messages - container to which validate messages are added.

validateProperties

void validateProperties(Object toValidate,
                        List propertyNames,
                        Messages messages)

Validates only the properties, supplied in de propertyNames list, of the object toValidate. In case of validation errors, validation messages are added to the messages.

Parameters:

toValidate - object which properties are validated

propertyNames - List of names (String) of the properties which are validated

messages - container to which validate messages are added.