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    package org.apache.activemq.transport.xmpp.command;
018    
019    import java.util.HashMap;
020    import java.util.Map;
021    
022    /**
023     * A registry of handlers
024     *
025     * @version $Revision: 201 $
026     */
027    public class HandlerRegistry {
028        private Map<Class, Handler> map = new HashMap<Class, Handler>();
029    
030        public Handler getHandler(Class eventType) {
031            synchronized (map) {
032                return map.get(eventType);
033            }
034        }
035    
036        public void registerHandler(Class eventType, Handler handler) {
037            synchronized (map) {
038                map.put(eventType, handler);
039            }
040        }
041    }