nl.flotsam.xeger

Class Xeger

java.lang.Object

nl.flotsam.xeger.Xeger

public class Xeger
extends java.lang.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.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
java.lang.String	generate() Generates a random String that is guaranteed to match the regular expression passed to the constructor.

Methods inherited from class java.lang.Object

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

Constructor Detail

Xeger

public Xeger(java.lang.String regex,
             java.util.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:

java.lang.IllegalArgumentException - If the regular expression is invalid.

Xeger

public Xeger(java.lang.String regex)

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

Method Detail

generate

public java.lang.String generate()

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