repackaged.nl.flotsam.xeger

Class Xeger

java.lang.Object

repackaged.nl.flotsam.xeger.Xeger

public class Xeger
extends Object

An object that will generate text from a regular expression. In a way, it's the opposite of a regular expression matcher: an instance of this class will produce text that is guaranteed to match the regular expression passed in. slight modifications by Marcin Grzejszczak

Constructor Summary

Constructors

Constructor and Description
Xeger(String regex) As Xeger(String, java.util.Random), creating a Random instance implicityly.
Xeger(String regex, Random random) Constructs a new instance, accepting the regular expression and the randomizer.

Method Summary

Modifier and Type	Method and Description
String	generate() Generates a random String that is guaranteed to match the regular expression passed to the constructor.
Random	getRandom()
void	setRandom(Random random)

Methods inherited from class java.lang.Object

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

Constructor Detail

Xeger

public Xeger(String regex,
             Random random)

Constructs a new instance, accepting the regular expression and the randomizer.

Parameters:

regex - The regular expression. (Not null.)

random - The object that will randomize the way the String is generated. (Not null.)

Throws:

IllegalArgumentException - If the regular expression is invalid.

Xeger

public Xeger(String regex)

As Xeger(String, java.util.Random), creating a Random instance implicityly.

Parameters:

regex - as string

Method Detail

generate

public String generate()

Generates a random String that is guaranteed to match the regular expression passed to the constructor.

Returns:

generated regexp

getRandom

public Random getRandom()

setRandom

public void setRandom(Random random)