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    }