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   1 /**
   2  * Copyright (c) 2010-2021 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.miele.internal.handler;
  14
  15 import static org.openhab.binding.miele.internal.MieleBindingConstants.*;
  16
  17 import org.openhab.binding.miele.internal.handler.MieleBridgeHandler.DeviceProperty;
  18 import org.openhab.core.i18n.LocaleProvider;
  19 import org.openhab.core.i18n.TranslationProvider;
  20 import org.openhab.core.library.types.OnOffType;
  21 import org.openhab.core.thing.ChannelUID;
  22 import org.openhab.core.thing.Thing;
  23 import org.openhab.core.types.Command;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 import com.google.gson.JsonElement;
  28
  29 /**
  30  * The {@link FridgeFreezerHandler} is responsible for handling commands,
  31  * which are sent to one of the channels
  32  *
  33  * @author Karel Goderis - Initial contribution
  34  * @author Kai Kreuzer - fixed handling of REFRESH commands
  35  * @author Martin Lepsy - fixed handling of empty JSON results
  36  * @author Jacob Laursen - Fixed multicast and protocol support (ZigBee/LAN)
  37  */
  38 public class FridgeFreezerHandler extends MieleApplianceHandler<FridgeFreezerChannelSelector> {
  39
  40     private final Logger logger = LoggerFactory.getLogger(FridgeFreezerHandler.class);
  41
  42     public FridgeFreezerHandler(Thing thing, TranslationProvider i18nProvider, LocaleProvider localeProvider) {
  43         super(thing, i18nProvider, localeProvider, FridgeFreezerChannelSelector.class,
  44                 MIELE_DEVICE_CLASS_FRIDGE_FREEZER);
  45     }
  46
  47     @Override
  48     public void handleCommand(ChannelUID channelUID, Command command) {
  49         super.handleCommand(channelUID, command);
  50
  51         String channelID = channelUID.getId();
  52         String applianceId = (String) getThing().getConfiguration().getProperties().get(APPLIANCE_ID);
  53
  54         FridgeFreezerChannelSelector selector = (FridgeFreezerChannelSelector) getValueSelectorFromChannelID(channelID);
  55         JsonElement result = null;
  56
  57         try {
  58             if (selector != null) {
  59                 switch (selector) {
  60                     case SUPERCOOL: {
  61                         if (command.equals(OnOffType.ON)) {
  62                             result = bridgeHandler.invokeOperation(applianceId, modelID, "startSuperCooling");
  63                         } else if (command.equals(OnOffType.OFF)) {
  64                             result = bridgeHandler.invokeOperation(applianceId, modelID, "stopSuperCooling");
  65                         }
  66                         break;
  67                     }
  68                     case SUPERFREEZE: {
  69                         if (command.equals(OnOffType.ON)) {
  70                             result = bridgeHandler.invokeOperation(applianceId, modelID, "startSuperFreezing");
  71                         } else if (command.equals(OnOffType.OFF)) {
  72                             result = bridgeHandler.invokeOperation(applianceId, modelID, "stopSuperFreezing");
  73                         }
  74                         break;
  75                     }
  76                     default: {
  77                         logger.debug("{} is a read-only channel that does not accept commands",
  78                                 selector.getChannelID());
  79                     }
  80                 }
  81             }
  82             // process result
  83             if (result != null && isResultProcessable(result)) {
  84                 logger.debug("Result of operation is {}", result.getAsString());
  85             }
  86         } catch (IllegalArgumentException e) {
  87             logger.warn(
  88                     "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
  89                     channelID, command.toString());
  90         }
  91     }
  92
  93     @Override
  94     protected void onAppliancePropertyChanged(DeviceProperty dp) {
  95         super.onAppliancePropertyChanged(dp);
  96
  97         if (!STATE_PROPERTY_NAME.equals(dp.Name)) {
  98             return;
  99         }
 100
 101         // Supercool/superfreeze is not exposed directly as property, but can be deduced from state.
 102         OnOffType superCoolState, superFreezeState;
 103         if (dp.Value.equals(String.valueOf(STATE_SUPER_COOLING))) {
 104             superCoolState = OnOffType.ON;
 105             superFreezeState = OnOffType.OFF;
 106         } else if (dp.Value.equals(String.valueOf(STATE_SUPER_FREEZING))) {
 107             superCoolState = OnOffType.OFF;
 108             superFreezeState = OnOffType.ON;
 109         } else {
 110             superCoolState = OnOffType.OFF;
 111             superFreezeState = OnOffType.OFF;
 112         }
 113
 114         ChannelUID superCoolChannelUid = new ChannelUID(getThing().getUID(), SUPERCOOL_CHANNEL_ID);
 115         logger.trace("Update state of {} to {} through '{}'", superCoolChannelUid, superCoolState, dp.Name);
 116         updateState(superCoolChannelUid, superCoolState);
 117
 118         ChannelUID superFreezeChannelUid = new ChannelUID(getThing().getUID(), SUPERFREEZE_CHANNEL_ID);
 119         logger.trace("Update state of {} to {} through '{}'", superFreezeChannelUid, superFreezeState, dp.Name);
 120         updateState(superFreezeChannelUid, superFreezeState);
 121     }
 122 }