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    
018    package org.apache.activemq.filter;
019    
020    import org.apache.activemq.command.ActiveMQDestination;
021    
022    
023    /**
024     * Matches messages which match a prefix like "A.B.>"
025     *
026     * 
027     */
028    public class PrefixDestinationFilter extends DestinationFilter {
029    
030        private String[] prefixes;
031        private byte destinationType;
032    
033        /**
034         * An array of paths, the last path is '>'
035         *
036         * @param prefixes
037         */
038        public PrefixDestinationFilter(String[] prefixes, byte destinationType) {
039            this.prefixes = prefixes;
040            this.destinationType = destinationType;
041        }
042    
043        public boolean matches(ActiveMQDestination destination) {
044            if (destination.getDestinationType() != destinationType) return false;
045            String[] path = DestinationPath.getDestinationPaths(destination.getPhysicalName());
046            int length = prefixes.length;
047            if (path.length >= length) {
048                int size = length - 1;
049                for (int i = 0; i < size; i++) {
050                    if (!path[i].equals(ANY_CHILD) && !prefixes[i].equals(ANY_CHILD) && !prefixes[i].equals(path[i])) {
051                        return false;
052                    }
053                }
054                return true;
055            }
056            return false;
057        }
058    
059        public String getText() {
060            return DestinationPath.toString(prefixes);
061        }
062    
063        public String toString() {
064            return super.toString() + "[destination: " + getText() + "]";
065        }
066    
067        public boolean isWildcard() {
068            return true;
069        }
070    }