org.springjutsu.validation.executors
Class ValidWhenEmptyRuleExecutor

java.lang.Object
  org.springjutsu.validation.executors.ValidWhenEmptyRuleExecutor

All Implemented Interfaces:

RuleExecutor

Direct Known Subclasses:

ExactLengthRuleExecutor, MaxLengthRuleExecutor, MinLengthRuleExecutor, RegexMatchRuleExecutor

public abstract class ValidWhenEmptyRuleExecutor
extends Object
implements RuleExecutor

Returns as valid if model object is null or empty, thereby performing an initial null check, and only validating non-empty models.

Author:

Clark Duplichien

Constructor Summary

ValidWhenEmptyRuleExecutor()

Method Summary

abstract boolean	doValidate(Object model, Object argument) Implementors can use this to actually do validation.
boolean	validate(Object model, Object argument) Validate the given rule Generally, a rule should return valid if the model is null or empty, unless this is a rule to validate the presence of the object.

Methods inherited from class java.lang.Object

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

Constructor Detail

ValidWhenEmptyRuleExecutor

public ValidWhenEmptyRuleExecutor()

Method Detail

validate

public boolean validate(Object model,
                        Object argument)

Description copied from interface: RuleExecutor

Validate the given rule Generally, a rule should return valid if the model is null or empty, unless this is a rule to validate the presence of the object.

Specified by:

validate in interface RuleExecutor

Parameters:

model - The object on which the rule operates

argument - Some argument providing details on how to operate on the object

Returns:

true if valid

doValidate

public abstract boolean doValidate(Object model,
                                   Object argument)

Implementors can use this to actually do validation.

Parameters:

model - Model to validate

argument - Argument to the rule

Returns:

true if the rule passed.