org.millstone.base.data.validator
Class StringLengthValidator

java.lang.Object
  |
  +--org.millstone.base.data.validator.StringLengthValidator

All Implemented Interfaces:

Validator

public class StringLengthValidator

extends java.lang.Object

implements Validator

This validator is used to validate the lenght of strings.

Since:

3.0

Version:

3.0.3

Author:

IT Mill Ltd.

Nested Class Summary

Nested classes inherited from class org.millstone.base.data.Validator

Validator.InvalidValueException, Validator.Suggestive

Constructor Summary

StringLengthValidator(java.lang.String errorMessage)
Create a new StringLengthValidator with a given error message.

StringLengthValidator(java.lang.String errorMessage, int minLength, int maxLength, boolean allowNull)
Create a new StringLenghtValidator with a given error message, permissable lenghts and null-string allowance.

Method Summary

java.lang.String	getErrorMessage() Gets the message to be displayed in case the value does not validate.
int	getMaxLength() Get the maximum permissable length of the string.
int	getMinLength() Get the minimum permissable lenght of the string.
boolean	isNullAllowed() True if null strings are allowed.
boolean	isValid(java.lang.Object value) True if the value is valid.
void	setErrorMessage(java.lang.String errorMessage) Sets the message to be displayer in case the value does not validate.
void	setMaxLength(int maxLength) Set the maximum permissable length of the string.
void	setMinLength(int minLength) Sets the minimum permissable lenght.
void	setNullAllowed(boolean allowNull) Sets wheter null-strings are to be allowed.
void	validate(java.lang.Object value) Validate the value.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringLengthValidator

public StringLengthValidator(java.lang.String errorMessage)

Create a new StringLengthValidator with a given error message.

Parameters:

errorMessage - - The message to display in case the value does not validate.

StringLengthValidator

public StringLengthValidator(java.lang.String errorMessage,
                             int minLength,
                             int maxLength,
                             boolean allowNull)

Create a new StringLenghtValidator with a given error message, permissable lenghts and null-string allowance.

Parameters:

errorMessage - - The message to display in case the value does not validate.

allowNull - - Are null strings permissable?

Method Detail

validate

public void validate(java.lang.Object value)
              throws Validator.InvalidValueException

Validate the value.

Specified by:

validate in interface Validator

Parameters:

value - - The value to validate.

Throws:

Validator.InvalidValueException - if the value is not valid

isValid

public boolean isValid(java.lang.Object value)

True if the value is valid.

Specified by:

isValid in interface Validator

Parameters:

value - - The value to validate.

isNullAllowed

public final boolean isNullAllowed()

True if null strings are allowed.

getMaxLength

public final int getMaxLength()

Get the maximum permissable length of the string.

getMinLength

public final int getMinLength()

Get the minimum permissable lenght of the string.

setNullAllowed

public void setNullAllowed(boolean allowNull)

Sets wheter null-strings are to be allowed.

setMaxLength

public void setMaxLength(int maxLength)

Set the maximum permissable length of the string.

setMinLength

public void setMinLength(int minLength)

Sets the minimum permissable lenght.

getErrorMessage

public java.lang.String getErrorMessage()

Gets the message to be displayed in case the value does not validate.

setErrorMessage

public void setErrorMessage(java.lang.String errorMessage)

Sets the message to be displayer in case the value does not validate.