com.interface21.validation
Interface Validator

public interface Validator

Interface to be implemented by objects that can validate application-specific objects. This enables validation to be decoupled from the interface and placed in business objects.

Author:

Rod Johnson

Method Summary

boolean	supports(java.lang.Class clazz) Return whether or not this object can validate objects of the given class.
void	validate(java.lang.Object obj, Errors errors) Validate an object, which must be of a class for which the supports() method returned true.

Method Detail

supports

public boolean supports(java.lang.Class clazz)

Return whether or not this object can validate objects of the given class.

validate

public void validate(java.lang.Object obj,
                     Errors errors)

Validate an object, which must be of a class for which the supports() method returned true.

Parameters:

obj - Populated object to validate

errors - Errors object we're building. May contain errors for this field relating to types.