edu.vt.middleware.password
Class RegexRule

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

All Implemented Interfaces:

Rule

Direct Known Subclasses:

RepeatCharacterRegexRule

public class RegexRule
extends java.lang.Object
implements Rule

RegexRule contains methods for testing a regular expression to determine if a password is valid.

Version:

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

Author:

Middleware Services

Field Summary

protected java.util.regex.Pattern

pattern Regex pattern.

Constructor Summary

RegexRule(java.lang.String regex)
This creates a new RegexRule with the supplied regular expression.

Method Summary

protected java.lang.String	getRuleResultDetail(java.util.regex.Matcher m) Returns the message to set on the rule result detail.
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

Field Detail

pattern

protected final java.util.regex.Pattern pattern

Regex pattern.

Constructor Detail

RegexRule

public RegexRule(java.lang.String regex)

This creates a new RegexRule with the supplied regular expression.

Parameters:

regex - String regular expression

Method Detail

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

getRuleResultDetail

protected java.lang.String getRuleResultDetail(java.util.regex.Matcher m)

Returns the message to set on the rule result detail.

Parameters:

m - Matcher that found a match

Returns:

String result detail

toString

public java.lang.String toString()

This returns a string representation of this object.

Overrides:

toString in class java.lang.Object

Returns:

String