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 }