org.databene.commons.validator
Class StringLengthValidator

java.lang.Object
  org.databene.commons.validator.StringLengthValidator

All Implemented Interfaces:

Validator<java.lang.String>

Direct Known Subclasses:

StringValidator

public class StringLengthValidator
extends java.lang.Object
implements Validator<java.lang.String>

Validates a String for a minimum and a maximum length.

Created: 20.09.2006 21:38:20

Author:

Volker Bergmann

Constructor Summary

StringLengthValidator()
Creates a validator that accepts any string

StringLengthValidator(int maxLength)
Creates a validator of a maximum length

StringLengthValidator(int minLength, java.lang.Integer maxLength)
Creates a validator of a minimum and maximum length

StringLengthValidator(int minLength, java.lang.Integer maxLength, boolean nullAllowed)

Method Summary

java.lang.Integer	getMaxLength() Returns the maximum length.
int	getMinLength() Returns the minimum length.
boolean	isNullAllowed()
void	setMaxLength(java.lang.Integer maxLength) Sets the maximum length.
void	setMinLength(int minLength) Sets the minimum length.
java.lang.String	toString()
boolean	valid(java.lang.String text) Checks if an object is valid.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringLengthValidator

public StringLengthValidator()

Creates a validator that accepts any string

StringLengthValidator

public StringLengthValidator(int maxLength)

Creates a validator of a maximum length

StringLengthValidator

public StringLengthValidator(int minLength,
                             java.lang.Integer maxLength)

Creates a validator of a minimum and maximum length

StringLengthValidator

public StringLengthValidator(int minLength,
                             java.lang.Integer maxLength,
                             boolean nullAllowed)

Method Detail

getMinLength

public int getMinLength()

Returns the minimum length.

Returns:

the minimum length.

See Also:

minLength

setMinLength

public void setMinLength(int minLength)

Sets the minimum length.

Parameters:

minLength - the new minimum length

getMaxLength

public java.lang.Integer getMaxLength()

Returns the maximum length.

Returns:

the maximum length.

See Also:

maxLength

setMaxLength

public void setMaxLength(java.lang.Integer maxLength)

Sets the maximum length. If set to null, no maximum length check is done.

Parameters:

maxLength - the new minimum length

isNullAllowed

public boolean isNullAllowed()

valid

public boolean valid(java.lang.String text)

Description copied from interface: Validator

Checks if an object is valid.

Specified by:

valid in interface Validator<java.lang.String>

Parameters:

text - the string to validate

Returns:

true if the length restrictions match, otherwise false.

See Also:

Validator

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object