org.springframework.validation
Class ValidationUtils

java.lang.Object
  org.springframework.validation.ValidationUtils

public abstract class ValidationUtils

extends Object

This utility class offers convenient methods for invoking a validator and for rejecting an empty field.

Used by BindUtils' bindAndValidate method.

Since:

06.05.2003

Author:

Juergen Hoeller, Dmitriy Kopylenko

See Also:

Validator, Errors, BindUtils.bindAndValidate(javax.servlet.ServletRequest, java.lang.Object, java.lang.String, org.springframework.validation.Validator)

Constructor Summary

ValidationUtils()

Method Summary

static void	invokeValidator(Validator validator, Object object, Errors errors) Invoke the given validator for the given object and Errors instance.
static void	rejectIfEmpty(Errors errors, String field, String errorCode, Object[] errorArgs, String defaultMessage) Reject the given field with the given error code, error arguments and message if the value is empty.
static void	rejectIfEmpty(Errors errors, String field, String errorCode, String defaultMessage) Reject the given field with the given error code and message if the value is empty.
static void	rejectIfEmptyOrWhitespace(Errors errors, String field, String errorCode, Object[] errorArgs, String defaultMessage) Reject the given field with the given error code, error arguments and message if the value is empty or just contains whitespace.
static void	rejectIfEmptyOrWhitespace(Errors errors, String field, String errorCode, String defaultMessage) Reject the given field with the given error code and message if the value is empty or just contains whitespace.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ValidationUtils

public ValidationUtils()

Method Detail

invokeValidator

public static void invokeValidator(Validator validator,
                                   Object object,
                                   Errors errors)

Invoke the given validator for the given object and Errors instance.

Parameters:

validator - validator to be invoked, or null if no validation

object - object to bind the parameters to

errors - Errors instance that should store the errors

rejectIfEmpty

public static void rejectIfEmpty(Errors errors,
                                 String field,
                                 String errorCode,
                                 String defaultMessage)

Reject the given field with the given error code and message if the value is empty.

Parameters:

errors - Errors instance containing bound fields

field - field name to check

errorCode - to reject with

defaultMessage - to reject with

rejectIfEmpty

public static void rejectIfEmpty(Errors errors,
                                 String field,
                                 String errorCode,
                                 Object[] errorArgs,
                                 String defaultMessage)

Reject the given field with the given error code, error arguments and message if the value is empty.

Parameters:

errors - Errors instance containing bound fields

field - field name to check

errorCode - to reject with

errorArgs - error arguments, for argument binding via MessageFormat (can be null)

defaultMessage - to reject with

rejectIfEmptyOrWhitespace

public static void rejectIfEmptyOrWhitespace(Errors errors,
                                             String field,
                                             String errorCode,
                                             String defaultMessage)

Reject the given field with the given error code and message if the value is empty or just contains whitespace.

Parameters:

errors - Errors instance containing bound fields

field - field name to check

errorCode - to reject with

defaultMessage - to reject with

rejectIfEmptyOrWhitespace

public static void rejectIfEmptyOrWhitespace(Errors errors,
                                             String field,
                                             String errorCode,
                                             Object[] errorArgs,
                                             String defaultMessage)

Reject the given field with the given error code, error arguments and message if the value is empty or just contains whitespace.

Parameters:

errors - Errors instance containing bound fields

field - field name to check

errorCode - to reject with

errorArgs - error arguments, for argument binding via MessageFormat (can be null)

defaultMessage - to reject with