Class ConditionalVisitorFieldValidator
java.lang.Object
org.apache.struts2.validator.validators.ValidatorSupport
org.apache.struts2.validator.validators.FieldValidatorSupport
org.apache.struts2.validator.validators.VisitorFieldValidator
org.apache.struts2.validator.validators.ConditionalVisitorFieldValidator
- All Implemented Interfaces:
- FieldValidator,- ShortCircuitableValidator,- Validator
 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
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Nested Class SummaryNested classes/interfaces inherited from class org.apache.struts2.validator.validators.VisitorFieldValidatorVisitorFieldValidator.AppendingValidatorContext
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Field SummaryFields inherited from class org.apache.struts2.validator.validators.FieldValidatorSupportcurrentValue, fieldName, typeFields inherited from class org.apache.struts2.validator.validators.ValidatorSupportdefaultMessage, EMPTY_STRING, messageKey, stack, textProviderFactory
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Constructor SummaryConstructors
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Method SummaryModifier and TypeMethodDescriptionvoidsetExpression(String expression) voidIf expression evaluates to true, invoke visitor validation.booleanvalidateExpression(Object object) Validate the expression contained in the "expression" paramter.Methods inherited from class org.apache.struts2.validator.validators.VisitorFieldValidatorgetContext, isAppendPrefix, setActionValidatorManager, setAppendPrefix, setContextMethods inherited from class org.apache.struts2.validator.validators.FieldValidatorSupportgetCurrentValue, getFieldName, getValidatorType, setFieldName, setValidatorTypeMethods inherited from class org.apache.struts2.validator.validators.ValidatorSupportaddActionError, addFieldError, getDefaultMessage, getFieldValue, getMessage, getMessageKey, getMessageParameters, getValidatorContext, isShortCircuit, parse, setDefaultMessage, setMessageKey, setMessageParameters, setShortCircuit, setTextProviderFactory, setValidatorContext, setValueStackMethods inherited from class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.apache.struts2.validator.ValidatorgetDefaultMessage, getMessage, getMessageKey, getMessageParameters, getValidatorContext, setDefaultMessage, setMessageKey, setMessageParameters, setValidatorContext, setValueStack
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Constructor Details- 
ConditionalVisitorFieldValidatorpublic ConditionalVisitorFieldValidator()
 
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Method Details- 
setExpression
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getExpression
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validateIf expression evaluates to true, invoke visitor validation.- Specified by:
- validatein interface- Validator
- Overrides:
- validatein class- VisitorFieldValidator
- Parameters:
- object- the object being validated
- Throws:
- ValidationException- in case of validation problems
 
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validateExpressionValidate 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
 
 
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