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 AND operation on two filters
027     *
028     * @version $Revision: 1.1.1.1 $
029     */
030    public class AndFilter implements Filter {
031    
032        private Filter left;
033        private Filter right;
034    
035        public AndFilter(Filter left, Filter right) {
036            this.left = left;
037            this.right = right;
038        }
039    
040        public boolean matches(Message message) throws JMSException {
041            if (left.matches(message)) {
042                return right.matches(message);
043            }
044            else {
045                return false;
046            }
047        }
048    
049        public boolean isWildcard() {
050            return left.isWildcard() || right.isWildcard();
051        }
052    
053        public Filter getLeft() {
054            return left;
055        }
056    
057        public Filter getRight() {
058            return right;
059        }
060    }