com.opensymphony.xwork2.validator.validators

Class ConditionalVisitorFieldValidator

java.lang.Object

com.opensymphony.xwork2.validator.validators.ValidatorSupport

com.opensymphony.xwork2.validator.validators.FieldValidatorSupport

com.opensymphony.xwork2.validator.validators.VisitorFieldValidator

com.opensymphony.xwork2.validator.validators.ConditionalVisitorFieldValidator

All Implemented Interfaces:

FieldValidator, ShortCircuitableValidator, Validator

public class ConditionalVisitorFieldValidator
extends VisitorFieldValidator

The ConditionalVisitorFieldValidator will forward validation to the VisitorFieldValidator only if the expression will evaluate to true.

• expression - an OGNL expression which should evaluate to true to pass validation to the VisitorFieldValidator

 
 <field name="colleaguePosition">
     <field-validator type="conditionalvisitor">
         <param name="expression">reason == 'colleague' and colleaguePositionID == 'OTHER'</param>
         <message>You must select reason Colleague and position Other</message>
     </field-validator>
 </field>
 
 

Author:

Matt Raible

Nested Class Summary

Nested classes/interfaces inherited from class com.opensymphony.xwork2.validator.validators.VisitorFieldValidator

VisitorFieldValidator.AppendingValidatorContext

Field Summary

Fields inherited from class com.opensymphony.xwork2.validator.validators.FieldValidatorSupport

currentValue, fieldName, type

Fields inherited from class com.opensymphony.xwork2.validator.validators.ValidatorSupport

defaultMessage, EMPTY_STRING, messageKey, stack, textProviderFactory

Constructor Summary

Constructors

Constructor and Description
ConditionalVisitorFieldValidator()

Method Summary

Methods

Modifier and Type	Method and Description
String	getExpression()
void	setExpression(String expression)
void	validate(Object object) If expression evaluates to true, invoke visitor validation.
boolean	validateExpression(Object object) Validate the expression contained in the "expression" paramter.

Methods inherited from class com.opensymphony.xwork2.validator.validators.VisitorFieldValidator

getContext, isAppendPrefix, setActionValidatorManager, setAppendPrefix, setContext

Methods inherited from class com.opensymphony.xwork2.validator.validators.FieldValidatorSupport

getCurrentValue, getFieldName, getValidatorType, setFieldName, setValidatorType

Methods inherited from class com.opensymphony.xwork2.validator.validators.ValidatorSupport

addActionError, addFieldError, getDefaultMessage, getFieldValue, getMessage, getMessageKey, getMessageParameters, getValidatorContext, isShortCircuit, parse, setDefaultMessage, setMessageKey, setMessageParameters, setShortCircuit, setTextProviderFactory, setValidatorContext, setValueStack

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.opensymphony.xwork2.validator.Validator

getDefaultMessage, getMessage, getMessageKey, getMessageParameters, getValidatorContext, setDefaultMessage, setMessageKey, setMessageParameters, setValidatorContext, setValueStack

Constructor Detail

ConditionalVisitorFieldValidator

public ConditionalVisitorFieldValidator()

Method Detail

setExpression

public void setExpression(String expression)

getExpression

public String getExpression()

validate

public void validate(Object object)
              throws ValidationException

If expression evaluates to true, invoke visitor validation.

Specified by:

validate in interface Validator

Overrides:

validate in class VisitorFieldValidator

Parameters:

object - the object being validated

Throws:

ValidationException - in case of validation problems

validateExpression

public boolean validateExpression(Object object)
                           throws ValidationException

Validate the expression contained in the "expression" paramter.

Parameters:

object - the object you're validating

Returns:

true if expression evaluates to true (implying a validation failure)

Throws:

ValidationException - if anything goes wrong