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.Destination;
022    
023    
024    /**
025     * Matches messages which match a prefix like "A.B.>"
026     *
027     * @version $Revision: 1.1.1.1 $
028     */
029    public class PrefixDestinationFilter extends DestinationFilter {
030    
031        private String[] prefixes;
032    
033        /**
034         * An array of paths, the last path is '>'
035         *
036         * @param prefixes
037         */
038        public PrefixDestinationFilter(String[] prefixes) {
039            this.prefixes = prefixes;
040        }
041    
042        public boolean matches(Destination destination) {
043            String[] path = DestinationPath.getDestinationPaths(destination);
044            int length = prefixes.length;
045            if (path.length >= length) {
046                for (int i = 0, size = length - 1; i < size; i++) {
047                    if (!prefixes[i].equals(path[i])) {
048                        return false;
049                    }
050                }
051                return true;
052            }
053            return false;
054        }
055    
056        public String getText() {
057            return DestinationPath.toString(prefixes);
058        }
059    
060        public String toString() {
061            return super.toString() + "[destination: " + getText() + "]";
062        }
063    
064        public boolean isWildcard() {
065            return true;
066        }
067    }