org.mmbase.util

Class PasswordGenerator

java.lang.Object

org.mmbase.util.PasswordGenerator

public class PasswordGenerator
extends Object

Module for the automatic generation of passwords. Based on the code of Arnold G. Reinhold, Cambridge, MA, USA. This code is under the GNU License as specified by the original author.
The passwords generated by this class are based on a template. A template can exists of a number of characters, which are replaced by the generator as follows:
A : is replaced by a random letter (a - z).
C : is replaced by a random alphanumeric character (0-9, a-z)
H : is replaced by a random hex character (0-9,A-F)
S : is replaced by a random syllable. This, alterating, an element from a set of consonants or an element form a set of vowels. A syllable can be more than one character (i.e. "qu").
6 : is replaced by a random dice-roll (1-6)
9 : is replaced by a random digit (0-9)

Version:

$Id$

Author:

Rico Jansen, Pierre van Rooden (javadocs)

License:

uses the GNU license, should be moved external

Field Summary

Fields

Modifier and Type	Field and Description
(package private) String	defaulttemplate Default template to use when generating passwords.
(package private) RandomPool	ranPool Pool of random numbers.

Constructor Summary

Constructors

Constructor and Description
PasswordGenerator() Creates the generator

Method Summary

Modifier and Type	Method and Description
String	getModuleInfo() Returns a description of the module.
String	getPassword() Generate a password, based on the default template for this module.
String	getPassword(String template) Generate a password, based on the given template.
static void	main(String[] args) Entry point when calling from teh command line.

Methods inherited from class java.lang.Object

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

Field Detail

ranPool

RandomPool ranPool

Pool of random numbers.

defaulttemplate

String defaulttemplate

Default template to use when generating passwords.

Constructor Detail

PasswordGenerator

public PasswordGenerator()

Creates the generator

Method Detail

main

public static void main(String[] args)

Entry point when calling from teh command line. Used for testing.

getPassword

public String getPassword()

Generate a password, based on the default template for this module.

Returns:

the generated password.

getPassword

public String getPassword(String template)

Generate a password, based on the given template.

Parameters:

template - the template the password should be based on.

Returns:

the generated password.

getModuleInfo

public String getModuleInfo()

Returns a description of the module.