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 match a prefix like "A.B.>" 025 * 026 * 027 */ 028public 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}