net.sf.mmm.util.filter.base
Class ListCharFilter

java.lang.Object
  net.sf.mmm.util.filter.base.ListCharFilter

All Implemented Interfaces:

CharFilter

public class ListCharFilter
extends Object
implements CharFilter

This is an implementation of the CharFilter interface that filters characters according to a given blacklist or whitelist.

Since:

1.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Field Summary

private boolean	blacklist
private char[]	chars

Fields inherited from interface net.sf.mmm.util.filter.api.CharFilter

ASCII_LETTER_FILTER, ASCII_LOWER_CASE_LETTER_FILTER, ASCII_UPPER_CASE_LETTER_FILTER, IDENTIFIER_FILTER, LATIN_DIGIT_FILTER, LATIN_DIGIT_OR_LETTER_FILTER, WHITESPACE_FILTER

Constructor Summary

ListCharFilter(boolean accept, char... charArray)
The constructor.

Method Summary

boolean

accept(char c) This method determines if the given character c should be accepted.

Methods inherited from class java.lang.Object

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

Field Detail

blacklist

private boolean blacklist

See Also:

accept(char)

chars

private final char[] chars

See Also:

accept(char)

Constructor Detail

ListCharFilter

public ListCharFilter(boolean accept,
                      char... charArray)

The constructor.

Parameters:

accept - - if true exactly the chars given by charArray are accepted (whitelist), if false exactly these chars are NOT accepted (blacklist).

charArray - are the chars to accept or to reject.

Method Detail

accept

public boolean accept(char c)

This method determines if the given character c should be accepted.

Specified by:

accept in interface CharFilter

Parameters:

c - is the character to check.

Returns:

true if the given character c is acceptable, false if it should be filtered.