001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  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    package org.apache.activemq.filter;
018    
019    import java.io.IOException;
020    
021    import javax.jms.JMSException;
022    
023    import org.apache.activemq.util.JMSExceptionSupport;
024    
025    public class NoLocalExpression implements BooleanExpression {
026    
027        private final String connectionId;
028    
029        public NoLocalExpression(String connectionId) {
030            this.connectionId = connectionId;
031        }
032    
033        public boolean matches(MessageEvaluationContext message) throws JMSException {
034            try {
035                if (message.isDropped()) {
036                    return false;
037                }
038                return !connectionId.equals(message.getMessage().getMessageId().getProducerId().getConnectionId());
039            } catch (IOException e) {
040                throw JMSExceptionSupport.create(e);
041            }
042        }
043    
044        public Object evaluate(MessageEvaluationContext message) throws JMSException {
045            return matches(message) ? Boolean.TRUE : Boolean.FALSE;
046        }
047    
048    }