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   1 /**
   2  * Copyright (c) 2010-2022 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.broadlinkthermostat.internal.handler;
  14
  15 import java.io.IOException;
  16 import java.util.concurrent.ScheduledFuture;
  17 import java.util.concurrent.TimeUnit;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.broadlinkthermostat.internal.BroadlinkThermostatConfig;
  22 import org.openhab.core.thing.Thing;
  23 import org.openhab.core.thing.ThingStatus;
  24 import org.openhab.core.thing.ThingStatusDetail;
  25 import org.openhab.core.thing.binding.BaseThingHandler;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 import com.github.mob41.blapi.BLDevice;
  30
  31 /**
  32  * The {@link BroadlinkThermostatHandler} is the device handler class for a broadlinkthermostat device.
  33  *
  34  * @author Florian Mueller - Initial contribution
  35  */
  36 @NonNullByDefault
  37 public abstract class BroadlinkThermostatHandler extends BaseThingHandler {
  38
  39     private final Logger logger = LoggerFactory.getLogger(BroadlinkThermostatHandler.class);
  40
  41     @Nullable
  42     BLDevice blDevice;
  43     private @Nullable ScheduledFuture<?> scanJob;
  44     @Nullable
  45     String host;
  46     @Nullable
  47     String macAddress;
  48
  49     /**
  50      * Creates a new instance of this class for the {@link Thing}.
  51      *
  52      * @param thing the thing that should be handled, not null
  53      */
  54     BroadlinkThermostatHandler(Thing thing) {
  55         super(thing);
  56     }
  57
  58     void authenticate(boolean reauth) {
  59         logger.debug("Authenticating with broadlinkthermostat device {}...", thing.getLabel());
  60         try {
  61             BLDevice blDevice = this.blDevice;
  62             if (blDevice != null && blDevice.auth(reauth)) {
  63                 updateStatus(ThingStatus.ONLINE);
  64             }
  65         } catch (IOException e) {
  66             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
  67                     "Error while authenticating broadlinkthermostat device " + thing.getLabel() + ":" + e.getMessage());
  68         }
  69     }
  70
  71     @Override
  72     public void initialize() {
  73         BroadlinkThermostatConfig config = getConfigAs(BroadlinkThermostatConfig.class);
  74         host = config.getHost();
  75         macAddress = config.getMacAddress();
  76
  77         // schedule a new scan every minute
  78         scanJob = scheduler.scheduleWithFixedDelay(this::refreshData, 0, 1, TimeUnit.MINUTES);
  79     }
  80
  81     protected abstract void refreshData();
  82
  83     @Override
  84     public void dispose() {
  85         ScheduledFuture<?> currentScanJob = scanJob;
  86         if (currentScanJob != null) {
  87             currentScanJob.cancel(true);
  88         }
  89     }
  90 }