edu.vt.middleware.password
Class AbstractDictionaryRule

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

All Implemented Interfaces:

Rule

Direct Known Subclasses:

DictionaryRule, DictionarySubstringRule

public abstract class AbstractDictionaryRule
extends java.lang.Object
implements Rule

AbstractPasswordDictionaryRule provides common implementation for password dictionary rules.

Version:

$Revision: 1841 $ $Date: 2011-02-25 14:05:47 -0500 (Fri, 25 Feb 2011) $

Author:

Middleware Services

Field Summary

protected edu.vt.middleware.dictionary.Dictionary	dictionary dictionary of words.
protected boolean	matchBackwards whether to search for dictionary words backwards.

Constructor Summary

AbstractDictionaryRule()

Method Summary

protected abstract java.lang.String	doWordSearch(java.lang.String text) Searches the dictionary with the supplied text.
edu.vt.middleware.dictionary.Dictionary	getDictionary() This will return the Dictionary used to search for passwords.
boolean	isMatchBackwards() Return true if the verify method will search the password for dictionary words spelled backwards as well as forwards.
void	setDictionary(edu.vt.middleware.dictionary.Dictionary dict) This will set the Dictionary used to search for passwords.
void	setMatchBackwards(boolean b) This causes the verify method to search the password for dictionary words spelled backwards as well as forwards.
java.lang.String	toString() This returns a string representation of this object.
DictionaryRuleResult	validate(PasswordData passwordData) See Rule.validate(PasswordData).

Methods inherited from class java.lang.Object

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

Field Detail

dictionary

protected edu.vt.middleware.dictionary.Dictionary dictionary

dictionary of words.

matchBackwards

protected boolean matchBackwards

whether to search for dictionary words backwards.

Constructor Detail

AbstractDictionaryRule

public AbstractDictionaryRule()

Method Detail

setDictionary

public void setDictionary(edu.vt.middleware.dictionary.Dictionary dict)

This will set the Dictionary used to search for passwords.

Parameters:

dict - Dictionary to use for searching

getDictionary

public edu.vt.middleware.dictionary.Dictionary getDictionary()

This will return the Dictionary used to search for passwords.

Returns:

Dictionary

setMatchBackwards

public void setMatchBackwards(boolean b)

This causes the verify method to search the password for dictionary words spelled backwards as well as forwards.

Parameters:

b - boolean

isMatchBackwards

public boolean isMatchBackwards()

Return true if the verify method will search the password for dictionary words spelled backwards as well as forwards.

Returns:

boolean

validate

public DictionaryRuleResult validate(PasswordData passwordData)

See Rule.validate(PasswordData).

Specified by:

validate in interface Rule

Parameters:

passwordData - PasswordData to verify (not null).

Returns:

DictionaryRuleResult - details on password verification

Throws:

java.lang.NullPointerException - if the password data is null.

doWordSearch

protected abstract java.lang.String doWordSearch(java.lang.String text)

Searches the dictionary with the supplied text.

Parameters:

text - to search dictionary with

Returns:

String matching word

toString

public java.lang.String toString()

This returns a string representation of this object.

Overrides:

toString in class java.lang.Object

Returns:

String