Package org.passay.generate

Class FillRemainingCharactersAppender

java.lang.Object

org.passay.generate.FillRemainingCharactersAppender

All Implemented Interfaces:

CharacterAppender

public class FillRemainingCharactersAppender
extends Object
implements CharacterAppender

Character appender for filling a password with valid characters. This appender should be the last to execute for password generation.

Field Summary

Fields

Modifier and Type	Field	Description
private final UnicodeString	characters	Valid characters.
private final Random	random	To select random characters.

Constructor Summary

Constructors

Constructor	Description
FillRemainingCharactersAppender(List<? extends Rule> rules, UnicodeString allowedChars, UnicodeString illegalChars, Random rand)	Creates a new fill appender.

Method Summary

Modifier and Type	Method	Description
void	append(CharBuffer target, int count)	Fills the target buffer with at most count characters from this appender.
UnicodeString	getCharacters()	Returns the characters that may be used in by this appender.
private UnicodeString	getCharacters(List<? extends Rule> rules)	Return a unicode string that contains the unique characters from all CharacterRule or CharacterCharacteristicsRule contained in the supplied list.

Methods inherited from class java.lang.Object

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

Field Details

characters

private final UnicodeString characters

Valid characters.

random

private final Random random

To select random characters.

Constructor Details

FillRemainingCharactersAppender

public FillRemainingCharactersAppender(List<? extends Rule> rules,
 UnicodeString allowedChars,
 UnicodeString illegalChars,
 Random rand)

Creates a new fill appender.

Parameters:

rules - to derive characters from

allowedChars - characters allowed for appending

illegalChars - characters not allowed for appending

rand - to randomize character selection

Method Details

getCharacters

private UnicodeString getCharacters(List<? extends Rule> rules)

Return a unicode string that contains the unique characters from all CharacterRule or CharacterCharacteristicsRule contained in the supplied list.

Parameters:

rules - to extract unique characters from

Returns:

unicode string containing unique characters or empty string

getCharacters

public UnicodeString getCharacters()

Description copied from interface: CharacterAppender

Returns the characters that may be used in by this appender.

Specified by:

getCharacters in interface CharacterAppender

Returns:

valid characters

append

public void append(CharBuffer target,
 int count)

Description copied from interface: CharacterAppender

Fills the target buffer with at most count characters from this appender.

Specified by:

append in interface CharacterAppender

Parameters:

target - buffer to add characters to

count - maximum number of characters to add to buffer