content: /*
   * 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 com.alipay.remoting;
  
  import java.util.List;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.CopyOnWriteArrayList;
  
  /**
   * Listen and dispatch connection events.
   * @author jiangping
   * @version $Id: DefaultConnectionEventListener.java, v 0.1 Mar 5, 2016 10:56:20 AM tao Exp $
   */
  public class ConnectionEventListener {
  
      private ConcurrentHashMap<ConnectionEventType, List<ConnectionEventProcessor>> processors = new ConcurrentHashMap<ConnectionEventType, List<ConnectionEventProcessor>>(
                                                                                                    3);
  
      /**
       * Dispatch events.
       * 
       * @param type ConnectionEventType
       * @param remoteAddress remoting address
       * @param connection Connection
       */
      public void onEvent(ConnectionEventType type, String remoteAddress, Connection connection) {
          List<ConnectionEventProcessor> processorList = this.processors.get(type);
          if (processorList != null) {
              for (ConnectionEventProcessor processor : processorList) {
                  processor.onEvent(remoteAddress, connection);
              }
          }
      }
  
      /**
       * Add event processor.
       * 
       * @param type ConnectionEventType
       * @param processor ConnectionEventProcessor
       */
      public void addConnectionEventProcessor(ConnectionEventType type,
                                              ConnectionEventProcessor processor) {
          List<ConnectionEventProcessor> processorList = this.processors.get(type);
          if (processorList == null) {
              this.processors.putIfAbsent(type, new CopyOnWriteArrayList<ConnectionEventProcessor>());
              processorList = this.processors.get(type);
          }
          processorList.add(processor);
      }
  
  }
  