com.opensymphony.xwork2.validator.validators
Class FieldExpressionValidator

java.lang.Object
  extended by com.opensymphony.xwork2.validator.validators.ValidatorSupport
      extended by com.opensymphony.xwork2.validator.validators.FieldValidatorSupport
          extended by com.opensymphony.xwork2.validator.validators.FieldExpressionValidator
All Implemented Interfaces:
FieldValidator, ShortCircuitableValidator, Validator

public class FieldExpressionValidator
extends FieldValidatorSupport

Validates a field using an OGNL expression.

 
    <!-- Plain Validator Syntax -->
    <validators>
        <!-- Plain Validator Syntax -->
        <validator type="fieldexpression">
           <param name="fieldName">myField</param>
           <param name="expression"><![CDATA[#myCreditLimit > #myGirfriendCreditLimit]]></param>
           <message>My credit limit should be MORE than my girlfriend</message>
        <validator>
        
        <!-- Field Validator Syntax -->
        <field name="myField">
            <field-validator type="fieldexpression">
                <param name="expression"><![CDATA[#myCreditLimit > #myGirfriendCreditLimit]]></param>
                <message>My credit limit should be MORE than my girlfriend</message>
            </field-validator>
        </field>
        
    </vaidators>
 
 

Version:
$Revision: 894090 $
Author:
$Author: martinc $

Field Summary
 
Fields inherited from class com.opensymphony.xwork2.validator.validators.ValidatorSupport
defaultMessage, log, messageKey
 
Constructor Summary
FieldExpressionValidator()
           
 
Method Summary
 java.lang.String getExpression()
           
 void setExpression(java.lang.String expression)
           
 void validate(java.lang.Object object)
          The validation implementation must guarantee that setValidatorContext will be called with a non-null ValidatorContext before validate is called.
 
Methods inherited from class com.opensymphony.xwork2.validator.validators.FieldValidatorSupport
getFieldName, getValidatorType, setFieldName, setValidatorType
 
Methods inherited from class com.opensymphony.xwork2.validator.validators.ValidatorSupport
addActionError, addFieldError, conditionalParse, getDefaultMessage, getFieldValue, getMessage, getMessageKey, getMessageParameters, getParse, getValidatorContext, isShortCircuit, setDefaultMessage, setMessageKey, setMessageParameters, setParse, setShortCircuit, 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

FieldExpressionValidator

public FieldExpressionValidator()
Method Detail

setExpression

public void setExpression(java.lang.String expression)

getExpression

public java.lang.String getExpression()

validate

public void validate(java.lang.Object object)
              throws ValidationException
Description copied from interface: Validator
The validation implementation must guarantee that setValidatorContext will be called with a non-null ValidatorContext before validate is called.

Parameters:
object - the object to be validated.
Throws:
ValidationException - is thrown if there is validation error(s).


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