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 contain wildcards like "A.B.*.*"
026     *
027     * @version $Revision: 1.1.1.1 $
028     */
029    public class WildcardDestinationFilter extends DestinationFilter {
030    
031        private String[] prefixes;
032    
033        /**
034         * An array of paths containing * characters
035         *
036         * @param prefixes
037         */
038        public WildcardDestinationFilter(String[] prefixes) {
039            this.prefixes = new String[prefixes.length];
040            for (int i = 0; i < prefixes.length; i++) {
041                String prefix = prefixes[i];
042                if (!prefix.equals("*")) {
043                    this.prefixes[i] = prefix;
044                }
045            }
046        }
047    
048        public boolean matches(Destination destination) {
049            String[] path = DestinationPath.getDestinationPaths(destination);
050            int length = prefixes.length;
051            if (path.length == length) {
052                for (int i = 0, size = length; i < size; i++) {
053                    String prefix = prefixes[i];
054                    if (prefix != null && !prefix.equals(path[i])) {
055                        return false;
056                    }
057                }
058                return true;
059            }
060            return false;
061        }
062    
063    
064        public String getText() {
065            return DestinationPath.toString(prefixes);
066        }
067    
068        public String toString() {
069            return super.toString() + "[destination: " + getText() + "]";
070        }
071    
072        public boolean isWildcard() {
073            return true;
074        }
075    }