com.opensymphony.xwork.validator.validators
Class RequiredFieldValidator

java.lang.Object
  extended bycom.opensymphony.xwork.validator.validators.ValidatorSupport
      extended bycom.opensymphony.xwork.validator.validators.FieldValidatorSupport
          extended bycom.opensymphony.xwork.validator.validators.RequiredFieldValidator
All Implemented Interfaces:
FieldValidator, ShortCircuitableValidator, Validator

public class RequiredFieldValidator
extends FieldValidatorSupport

RequiredFieldValidator checks if the specified field is not null.

 
 	   <validators>
 
         <!-- Plain Validator Syntax -->
         <validator type="required">
             <param name="fieldName">username</param>
             <message>username must not be null</message>
         </validator>
 
 
         <!-- Field Validator Syntax -->
         <field name="username">
             <field-validator type="required">
             	   <message>username must not be null</message>
             </field-validator>
         </field>
 
     </validators>
 
 

Version:
$Revision: 866 $
Author:
rainerh

Field Summary
 
Fields inherited from class com.opensymphony.xwork.validator.validators.ValidatorSupport
defaultMessage, log, messageKey
 
Constructor Summary
RequiredFieldValidator()
           
 
Method Summary
 void validate(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.xwork.validator.validators.FieldValidatorSupport
getFieldName, getValidatorType, setFieldName, setValidatorType
 
Methods inherited from class com.opensymphony.xwork.validator.validators.ValidatorSupport
addActionError, addFieldError, getDefaultMessage, getFieldValue, getMessage, getMessageKey, getValidatorContext, isShortCircuit, setDefaultMessage, setMessageKey, setShortCircuit, setValidatorContext
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface com.opensymphony.xwork.validator.Validator
getDefaultMessage, getMessage, getMessageKey, getValidatorContext, setDefaultMessage, setMessageKey, setValidatorContext
 

Constructor Detail

RequiredFieldValidator

public RequiredFieldValidator()
Method Detail

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 -
Throws:
ValidationException

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