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 org.apache.activemq.transport.http;
  
  import java.io.IOException;
  
  import org.apache.activemq.command.BrokerInfo;
  import org.apache.activemq.command.ConnectionInfo;
  import org.apache.activemq.transport.InactivityMonitor;
  import org.apache.activemq.transport.Transport;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Inactivity Monitor specialization for use with HTTP based transports.
   */
  public class HttpInactivityMonitor extends InactivityMonitor {
  
      private static final Logger LOG = LoggerFactory.getLogger(HttpInactivityMonitor.class);
  
      /**
       * @param next
       *      The next Transport in the filter chain.
       */
      public HttpInactivityMonitor(Transport next) {
          super(next, null);
      }
  
      @Override
      public void onCommand(Object command) {
          if (command.getClass() == ConnectionInfo.class || command.getClass() == BrokerInfo.class) {
              synchronized (this) {
                  try {
                      LOG.trace("Connection {} attempted on HTTP based transport: {}", command, this);
                      processInboundWireFormatInfo(null);
                  } catch (IOException e) {
                      onException(e);
                  }
              }
          }
  
          super.onCommand(command);
      }
  }
  