com.ibm.passwordrules

Interface PasswordGenerator

public interface PasswordGenerator

Interface which needs to be implemented by all custom password generators.

Field Summary

Fields

Modifier and Type	Field and Description
static int	LAST_CHARACTER_INDEX Constant used to initialize the maximum password length.

Method Summary

Modifier and Type	Method and Description
void	addAllowedCharSet(java.util.Set<char[]> allowedCharSets, int numOfSets) Constrain the sets of characters that the password must include
void	addChars(char[] list) Constrain the set of characters to be used by the password generator.
void	allLowerCase() Constrain the set of characters to be used by the password generator.
void	allUpperCase() Constrain the set of characters to be used by the password generator.
java.lang.String	generate() Generate a string containing a password.
void	initialize(java.lang.String parameter) Initialize the password generator.
void	removeChars(char[] charList) Constrain the set of characters to be used by the password generator.
void	setCharListAt(char[] charList, int startIndex, int endIndex) Constrain the set of characters to be used by the password generator.
void	setLength(int length) Set the fixed length of passwords to be generated.

Field Detail

LAST_CHARACTER_INDEX

static final int LAST_CHARACTER_INDEX

Constant used to initialize the maximum password length.

See Also:

Constant Field Values

Method Detail

generate

java.lang.String generate()

Generate a string containing a password.

Returns:

password

setLength

void setLength(int length)

Set the fixed length of passwords to be generated.

Parameters:

length - requested length of password.

addChars

void addChars(char[] list)

Constrain the set of characters to be used by the password generator.

Parameters:

list - of characters of which at least one must be included in the generated password.

removeChars

void removeChars(char[] charList)

Constrain the set of characters to be used by the password generator.

Parameters:

charList - List of characters none of which may be included in the generated password.

allUpperCase

void allUpperCase()

Constrain the set of characters to be used by the password generator. Method to ensure that all characters in the generated password will be upper case.

allLowerCase

void allLowerCase()

Constrain the set of characters to be used by the password generator. Method to ensure that all characters in the generated password will be lower case.

setCharListAt

void setCharListAt(char[] charList,
                   int startIndex,
                   int endIndex)

Constrain the set of characters to be used by the password generator.

Parameters:

charList - list of characters to set

startIndex - start index of the character in the generated password to choose one of the given set of characters from.

endIndex - last index of the character in the generated password to choose one of the given set of characters from.

initialize

void initialize(java.lang.String parameter)

Initialize the password generator. Method will be called once immediately after the generator instance is created.

Parameters:

parameter - any text data which might be used in initializing the generator

addAllowedCharSet

void addAllowedCharSet(java.util.Set<char[]> allowedCharSets,
                       int numOfSets)

Constrain the sets of characters that the password must include

Parameters:

allowedCharSet - the sets of characters that the password may contain

satisfiedSet - minimum number of sets from which the password must contain characters