001// Copyright 2004, 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry.util.text; 016 017/** 018 * Matches a given character only if the provided object does NOT match it. 019 * 020 * @author mb 021 * @since 4.0 022 */ 023public class InverseMatcher implements ICharacterMatcher 024{ 025 private ICharacterMatcher _matcher; 026 027 /** 028 * Creates a new object that inverts the matching rule of the provided matcher 029 * 030 * @param matcher the matcher whose behaviour will be inverted 031 */ 032 public InverseMatcher(ICharacterMatcher matcher) 033 { 034 _matcher = matcher; 035 } 036 037 /** 038 * Matches the character only if the provided object does NOT match it. 039 * 040 * @see org.apache.tapestry.util.text.ICharacterMatcher#matches(char) 041 */ 042 public boolean matches(char ch) 043 { 044 return !_matcher.matches(ch); 045 } 046}