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 Summary
Nested classes/interfaces inherited from class org.apache.struts2.validator.validators.VisitorFieldValidator
VisitorFieldValidator.AppendingValidatorContext
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Field Summary
Fields inherited from class org.apache.struts2.validator.validators.FieldValidatorSupport
currentValue, fieldName, type
Fields inherited from class org.apache.struts2.validator.validators.ValidatorSupport
defaultMessage, EMPTY_STRING, messageKey, stack, textProviderFactory
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
setExpression
(String expression) void
If expression evaluates to true, invoke visitor validation.boolean
validateExpression
(Object object) Validate the expression contained in the "expression" paramter.Methods inherited from class org.apache.struts2.validator.validators.VisitorFieldValidator
getContext, isAppendPrefix, setActionValidatorManager, setAppendPrefix, setContext
Methods inherited from class org.apache.struts2.validator.validators.FieldValidatorSupport
getCurrentValue, getFieldName, getValidatorType, setFieldName, setValidatorType
Methods inherited from class org.apache.struts2.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 org.apache.struts2.validator.Validator
getDefaultMessage, getMessage, getMessageKey, getMessageParameters, getValidatorContext, setDefaultMessage, setMessageKey, setMessageParameters, setValidatorContext, setValueStack
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Constructor Details
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ConditionalVisitorFieldValidator
public ConditionalVisitorFieldValidator()
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Method Details
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setExpression
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getExpression
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validate
If expression evaluates to true, invoke visitor validation.- Specified by:
validate
in interfaceValidator
- Overrides:
validate
in classVisitorFieldValidator
- Parameters:
object
- the object being validated- Throws:
ValidationException
- in case of validation problems
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validateExpression
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
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