edu.vt.middleware.password
Class AbstractCharacterRule

java.lang.Object
  edu.vt.middleware.password.AbstractCharacterRule

All Implemented Interfaces:

CharacterRule, Rule

Direct Known Subclasses:

AlphabeticalCharacterRule, DigitCharacterRule, LowercaseCharacterRule, NonAlphanumericCharacterRule, UppercaseCharacterRule

public abstract class AbstractCharacterRule
extends java.lang.Object
implements CharacterRule

AbstractCharacterRule provides common implementation for password character rules.

Version:

$Revision: 1636 $ $Date: 2010-10-04 11:12:15 -0400 (Mon, 04 Oct 2010) $

Author:

Middleware Services

Field Summary

protected int

numCharacters number of characters to require.

Constructor Summary

AbstractCharacterRule()

Method Summary

int	getNumberOfCharacters() This returns the number of characters which must exist in order for a password to meet the requirements of this rule.
protected abstract int	getNumberOfCharacterType(Password password) Returns the number of the type of characters in the supplied password for the implementing class.
protected abstract java.lang.String	getRuleResultDetailMessage() Returns the detail message for the implementing class should this rule fail validation.
void	setNumberOfCharacters(int n) This sets the number of characters to require in a password.
java.lang.String	toString() This returns a string representation of this object.
RuleResult	validate(PasswordData passwordData) This returns whether or not the supplied password data meets the requirements of this rule.

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.vt.middleware.password.CharacterRule

getValidCharacters

Field Detail

numCharacters

protected int numCharacters

number of characters to require. Default value is 1.

Constructor Detail

AbstractCharacterRule

public AbstractCharacterRule()

Method Detail

setNumberOfCharacters

public void setNumberOfCharacters(int n)

This sets the number of characters to require in a password.

Specified by:

setNumberOfCharacters in interface CharacterRule

Parameters:

n - int number of characters to require where n > 0

getNumberOfCharacters

public int getNumberOfCharacters()

This returns the number of characters which must exist in order for a password to meet the requirements of this rule.

Specified by:

getNumberOfCharacters in interface CharacterRule

Returns:

int number of characters to require

getNumberOfCharacterType

protected abstract int getNumberOfCharacterType(Password password)

Returns the number of the type of characters in the supplied password for the implementing class.

Parameters:

password - Password to get character count from

Returns:

int number of characters

getRuleResultDetailMessage

protected abstract java.lang.String getRuleResultDetailMessage()

Returns the detail message for the implementing class should this rule fail validation.

Returns:

String detail message

validate

public RuleResult validate(PasswordData passwordData)

This returns whether or not the supplied password data meets the requirements of this rule.

Specified by:

validate in interface Rule

Parameters:

passwordData - PasswordData to verify (not null).

Returns:

RuleResult - details on password verification

toString

public java.lang.String toString()

This returns a string representation of this object.

Overrides:

toString in class java.lang.Object

Returns:

String