public class FieldExpressionValidator extends FieldValidatorSupport
 
    <!-- 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>
 
 currentValue, fieldName, typedefaultMessage, EMPTY_STRING, messageKey, stack, textProviderFactory| Constructor and Description | 
|---|
| FieldExpressionValidator() | 
| Modifier and Type | Method and Description | 
|---|---|
| String | getExpression() | 
| void | setExpression(String expression) | 
| void | validate(Object object)The validation implementation must guarantee that setValidatorContext will
 be called with a non-null ValidatorContext before validate is called. | 
getCurrentValue, getFieldName, getValidatorType, setFieldName, setValidatorTypeaddActionError, addFieldError, getDefaultMessage, getFieldValue, getMessage, getMessageKey, getMessageParameters, getValidatorContext, isShortCircuit, parse, setDefaultMessage, setMessageKey, setMessageParameters, setShortCircuit, setTextProviderFactory, setValidatorContext, setValueStackclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitgetDefaultMessage, getMessage, getMessageKey, getMessageParameters, getValidatorContext, setDefaultMessage, setMessageKey, setMessageParameters, setValidatorContext, setValueStackpublic void setExpression(String expression)
public String getExpression()
public void validate(Object object) throws ValidationException
Validatorobject - the object to be validated.ValidationException - is thrown if there is validation error(s).Copyright © 2000–2025 Apache Software Foundation. All rights reserved.