com.ibm.passwordrules.standard
Class MayNotContain

java.lang.Object
  |
  +--com.ibm.passwordrules.LexicalRule
        |
        +--com.ibm.passwordrules.standard.MayNotContain

All Implemented Interfaces:

java.lang.Cloneable, Rule, java.io.Serializable

public class MayNotContain

extends LexicalRule

This class implements built-in rule for restricting passwords to not contain characters from the given set.

See Also:

Serialized Form

Field Summary

static java.lang.String	INCOMPATIBLE_CHARACTER_RESTRICTIONS Constant representing a message key in a property file
static java.lang.String	INVALID_CHARACTER Constant representing a message key in a property file

Fields inherited from class com.ibm.passwordrules.LexicalRule

DEFAULT_MAX_SEQUENTIAL_CHARACTERS, LOWER_CASE_ONLY, UPPER_CASE_ONLY

Constructor Summary

MayNotContain(char[] charList)
Constructor accepting character array parameter representing the list of disallowed characters.

Method Summary

void	constrain(PasswordGenerator generator) Constrain the password generator to the allowed values.
char[]	getCharList() Return a list of disallowed characters.
boolean	join(Rule rule) Try to join the specified rule with this one.
void	setCharList(char[] charList) Set a list of disallowed characters.
boolean	validate(java.lang.String password, ValidationInfo validationInfo) Validate the given password using the given validation info.

Methods inherited from class com.ibm.passwordrules.LexicalRule

getParameter, setParameter, validateSafe

Methods inherited from class java.lang.Object

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

Field Detail

INVALID_CHARACTER

public static final java.lang.String INVALID_CHARACTER

Constant representing a message key in a property file

See Also:

Constant Field Values

INCOMPATIBLE_CHARACTER_RESTRICTIONS

public static final java.lang.String INCOMPATIBLE_CHARACTER_RESTRICTIONS

Constant representing a message key in a property file

See Also:

Constant Field Values

Constructor Detail

MayNotContain

public MayNotContain(char[] charList)

Constructor accepting character array parameter representing the list of disallowed characters.

Parameters:

charList - character array representing the list of disallowed characters.

Method Detail

getCharList

public char[] getCharList()

Return a list of disallowed characters.

Returns:

integer array representing the list of disallowed characters.

setCharList

public void setCharList(char[] charList)

Set a list of disallowed characters.

Parameters:

charList - character array representing the list of disallowed characters.

validate

public boolean validate(java.lang.String password,
                        ValidationInfo validationInfo)
                 throws InvalidPasswordException

Validate the given password using the given validation info.

Parameters:

validationInfo - contains contextual information about the password being validated.

password - Password to validate.

Returns:

always return true

Throws:

InvalidPasswordException - thrown when password is invalid.

constrain

public void constrain(PasswordGenerator generator)

Constrain the password generator to the allowed values.

Specified by:

constrain in interface Rule

Overrides:

constrain in class LexicalRule

Parameters:

generator - including a character template to constrain.

join

public boolean join(Rule rule)
             throws IncompatibleRulesException

Try to join the specified rule with this one. The more restrictive rule takes precedence.

Parameters:

rule - The rule to be joined with this one.

Returns:

True if the rule was successfully joined.

Throws:

IncompatibleRulesException - Thrown when given rule cannot be joined because it is not compatible.