org.apache.commons.lang
Class CharSet

java.lang.Object
  |
  +--org.apache.commons.lang.CharSet

public class CharSet

extends java.lang.Object

A set of characters. You can iterate over the characters in the set.

Version:

$Id: CharSet.java,v 1.4 2002/09/29 08:20:52 bayard Exp $

Author:

Henri Yandell, Stephen Colebourne

Field Summary

private java.util.LinkedList

set

Constructor Summary

protected

CharSet(java.lang.String[] set) Restricted constructor.

Method Summary

protected void	add(java.lang.String str) Add a set definition string to the set
boolean	contains(char ch) Does the set contain the character specified
java.lang.String	toString() Returns a string representation of the set

Methods inherited from class java.lang.Object

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

Field Detail

set

private java.util.LinkedList set

Constructor Detail

CharSet

protected CharSet(java.lang.String[] set)

Restricted constructor. Use the factory method evaluateSet().

Throws:

NullPointerException - if any of set[i] is null or if set is null

Method Detail

contains

public boolean contains(char ch)

Does the set contain the character specified

Parameters:

ch - the character to check for

Returns:

true if it does contain it

add

protected void add(java.lang.String str)

Add a set definition string to the set

Parameters:

str - set definition string

Throws:

NullPointerException - if str is null

toString

public java.lang.String toString()

Returns a string representation of the set

Overrides:

toString in class java.lang.Object

Returns:

string representation