| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.qpid.server.exchange.topic; |
| |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| public class TopicWordDictionary |
| { |
| private final ConcurrentMap<String,TopicWord> _dictionary = |
| new ConcurrentHashMap<String,TopicWord>(); |
| |
| public TopicWordDictionary() |
| { |
| _dictionary.put("*", TopicWord.ANY_WORD); |
| _dictionary.put("#", TopicWord.WILDCARD_WORD); |
| } |
| |
| public TopicWord getOrCreateWord(String name) |
| { |
| TopicWord word = _dictionary.putIfAbsent(name, new TopicWord(name)); |
| if(word == null) |
| { |
| word = _dictionary.get(name); |
| } |
| return word; |
| } |
| |
| |
| public TopicWord getWord(String name) |
| { |
| TopicWord word = _dictionary.get(name); |
| if(word == null) |
| { |
| word = TopicWord.ANY_WORD; |
| } |
| return word; |
| } |
| } |