content: //    HelloIoT is a dashboard creator for MQTT
  //    Copyright (C) 2017-2019 Adrián Romero Corchado.
  //
  //    This file is part of HelloIot.
  //
  //    HelloIot is free software: you can redistribute it and/or modify
  //    it under the terms of the GNU General Public License as published by
  //    the Free Software Foundation, either version 3 of the License, or
  //    (at your option) any later version.
  //
  //    HelloIot is distributed in the hope that it will be useful,
  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  //    GNU General Public License for more details.
  //
  //    You should have received a copy of the GNU General Public License
  //    along with HelloIot.  If not, see <http://www.gnu.org/licenses/>.
  //
  package com.adr.helloiot.device;
  
  import com.adr.helloiot.mqtt.MQTTProperty;
  import com.adr.helloiotlib.app.EventMessage;
  import com.adr.helloiotlib.format.MiniVar;
  import java.util.concurrent.atomic.AtomicReference;
  import com.adr.helloiotlib.app.TopicManager;
  
  public class DeviceStatus extends DeviceSubscribe {
  
      private final AtomicReference<byte[]> status = new AtomicReference<>(null);
  
      public DeviceStatus() {
          MQTTProperty.setRetained(this, true);
      }
  
      @Override
      public void construct(TopicManager manager) {
          status.set(null);
          super.construct(manager);
      }
  
      @Override
      public void destroy() {
          super.destroy();
          status.set(null);
      }
  
      // Overwrite this  method
      @Override
      public String getDeviceName() {
          return resources.getString("devicename.devicestatus");
      }
  
      @Override
      protected void consumeMessage(EventMessage message) {
          status.set(message.getMessage());
      }
      
      public MiniVar varStatus() {
          return getFormat().value(status.get());
      }
  
      public String formatStatus() {
          return getFormat().format(varStatus());
      }   
  }
  