text: /*
   *
   *    Copyright (c) 2021 Project CHIP Authors
   *
   *    Licensed 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.
   */
  
  /**
   *    @file
   *      This file defines Application Channel class. The object of this
   *      class can be used by CHIP data model cluster applications to send
   *      and receive messages. The messages are encrypted using session keys.
   */
  
  #pragma once
  
  #include <lib/support/CodeUtils.h>
  #include <messaging/ExchangeMessageDispatch.h>
  
  namespace chip {
  namespace Messaging {
  
  class ApplicationExchangeDispatch : public ExchangeMessageDispatch
  {
  public:
      static ExchangeMessageDispatch & Instance()
      {
          static ApplicationExchangeDispatch instance;
          return instance;
      }
  
      ApplicationExchangeDispatch() {}
      virtual ~ApplicationExchangeDispatch() {}
  
  protected:
      bool MessagePermitted(uint16_t protocol, uint8_t type) override;
  };
  
  } // namespace Messaging
  } // namespace chip
  