001 /** 002 * 003 * Copyright 2004 Protique Ltd 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 **/ 018 019 package org.activemq.filter; 020 021 import javax.jms.JMSException; 022 import javax.jms.Message; 023 024 025 /** 026 * Represents a logical not operation on another filter 027 * 028 * @version $Revision: 1.1.1.1 $ 029 */ 030 public class NotFilter implements Filter { 031 032 private Filter filter; 033 034 public NotFilter(Filter filter) { 035 this.filter = filter; 036 } 037 038 public boolean matches(Message message) throws JMSException { 039 return !filter.matches(message); 040 } 041 042 public boolean isWildcard() { 043 return false; 044 } 045 046 }