Class FieldExpressionValidator

All Implemented Interfaces:
FieldValidator, ShortCircuitableValidator, Validator

public class FieldExpressionValidator extends FieldValidatorSupport
Validates a field using an OGNL expression.
  • fieldName - The field name this validator is validating. Required if using Plain-Validator Syntax otherwise not required
  • expression - The Ognl expression (must evaluate to a boolean) which is to be evalidated the stack
 
    <!-- 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>
 
 
  • Constructor Details

    • FieldExpressionValidator

      public FieldExpressionValidator()
  • Method Details

    • setExpression

      public void setExpression(String expression)
    • getExpression

      public String getExpression()
    • validate

      public void validate(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).