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
018package org.apache.activemq.filter;
019
020import org.apache.activemq.command.ActiveMQDestination;
021
022
023/**
024 * Matches messages which contain wildcards like "A.B.*.*"
025 *
026 * 
027 */
028public class WildcardDestinationFilter extends DestinationFilter {
029
030    private String[] prefixes;
031    private byte destinationType;
032
033    /**
034     * An array of paths containing * characters
035     *
036     * @param prefixes
037     */
038    public WildcardDestinationFilter(String[] prefixes, byte destinationType) {
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        this.destinationType = destinationType;
047    }
048
049    public boolean matches(ActiveMQDestination destination) {
050        if (destination.getDestinationType() != destinationType) return false;
051        String[] path = DestinationPath.getDestinationPaths(destination);
052        int length = prefixes.length;
053        if (path.length == length) {
054            for (int i = 0; i < length; i++) {
055                String prefix = prefixes[i];
056                if (prefix != null && !prefix.equals(path[i])) {
057                    return false;
058                }
059            }
060            return true;
061        }
062        return false;
063    }
064
065
066    public String getText() {
067        return DestinationPath.toString(prefixes);
068    }
069
070    public String toString() {
071        return super.toString() + "[destination: " + getText() + "]";
072    }
073
074    public boolean isWildcard() {
075        return true;
076    }
077}