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   1 /**
   2  * Copyright (c) 2010-2023 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.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.binding.miele.internal.api.dto.DeviceProperty;
  19 import org.openhab.binding.miele.internal.exceptions.MieleRpcException;
  20 import org.openhab.core.i18n.LocaleProvider;
  21 import org.openhab.core.i18n.TimeZoneProvider;
  22 import org.openhab.core.i18n.TranslationProvider;
  23 import org.openhab.core.library.types.OnOffType;
  24 import org.openhab.core.thing.ChannelUID;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.types.Command;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 import com.google.gson.JsonElement;
  31
  32 /**
  33  * The {@link FridgeFreezerHandler} is responsible for handling commands,
  34  * which are sent to one of the channels
  35  *
  36  * @author Karel Goderis - Initial contribution
  37  * @author Kai Kreuzer - fixed handling of REFRESH commands
  38  * @author Martin Lepsy - fixed handling of empty JSON results
  39  * @author Jacob Laursen - Fixed multicast and protocol support (ZigBee/LAN)
  40  */
  41 @NonNullByDefault
  42 public class FridgeFreezerHandler extends MieleApplianceHandler<FridgeFreezerChannelSelector> {
  43
  44     private final Logger logger = LoggerFactory.getLogger(FridgeFreezerHandler.class);
  45
  46     public FridgeFreezerHandler(Thing thing, TranslationProvider i18nProvider, LocaleProvider localeProvider,
  47             TimeZoneProvider timeZoneProvider) {
  48         super(thing, i18nProvider, localeProvider, timeZoneProvider, FridgeFreezerChannelSelector.class,
  49                 MIELE_DEVICE_CLASS_FRIDGE_FREEZER);
  50     }
  51
  52     @Override
  53     public void handleCommand(ChannelUID channelUID, Command command) {
  54         super.handleCommand(channelUID, command);
  55
  56         String channelID = channelUID.getId();
  57         String applianceId = this.applianceId;
  58         if (applianceId == null) {
  59             logger.warn("Command '{}' failed, appliance id is unknown", command);
  60             return;
  61         }
  62
  63         FridgeFreezerChannelSelector selector = (FridgeFreezerChannelSelector) getValueSelectorFromChannelID(channelID);
  64         JsonElement result = null;
  65
  66         try {
  67             MieleBridgeHandler bridgeHandler = getMieleBridgeHandler();
  68             if (bridgeHandler == null) {
  69                 logger.warn("Command '{}' failed, missing bridge handler", command);
  70                 return;
  71             }
  72             switch (selector) {
  73                 case SUPERCOOL: {
  74                     if (command.equals(OnOffType.ON)) {
  75                         result = bridgeHandler.invokeOperation(applianceId, modelID, "startSuperCooling");
  76                     } else if (command.equals(OnOffType.OFF)) {
  77                         result = bridgeHandler.invokeOperation(applianceId, modelID, "stopSuperCooling");
  78                     }
  79                     break;
  80                 }
  81                 case SUPERFREEZE: {
  82                     if (command.equals(OnOffType.ON)) {
  83                         result = bridgeHandler.invokeOperation(applianceId, modelID, "startSuperFreezing");
  84                     } else if (command.equals(OnOffType.OFF)) {
  85                         result = bridgeHandler.invokeOperation(applianceId, modelID, "stopSuperFreezing");
  86                     }
  87                     break;
  88                 }
  89                 default: {
  90                     logger.debug("{} is a read-only channel that does not accept commands", selector.getChannelID());
  91                 }
  92             }
  93             // process result
  94             if (result != null && isResultProcessable(result)) {
  95                 logger.debug("Result of operation is {}", result.getAsString());
  96             }
  97         } catch (IllegalArgumentException e) {
  98             logger.warn(
  99                     "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
 100                     channelID, command.toString());
 101         } catch (MieleRpcException e) {
 102             Throwable cause = e.getCause();
 103             if (cause == null) {
 104                 logger.warn("An error occurred while trying to invoke operation: {}", e.getMessage());
 105             } else {
 106                 logger.warn("An error occurred while trying to invoke operation: {} -> {}", e.getMessage(),
 107                         cause.getMessage());
 108             }
 109         }
 110     }
 111
 112     @Override
 113     public void onAppliancePropertyChanged(DeviceProperty dp) {
 114         super.onAppliancePropertyChanged(dp);
 115
 116         if (!STATE_PROPERTY_NAME.equals(dp.Name)) {
 117             return;
 118         }
 119
 120         // Supercool/superfreeze is not exposed directly as property, but can be deduced from state.
 121         OnOffType superCoolState, superFreezeState;
 122         if (dp.Value.equals(String.valueOf(STATE_SUPER_COOLING))) {
 123             superCoolState = OnOffType.ON;
 124             superFreezeState = OnOffType.OFF;
 125         } else if (dp.Value.equals(String.valueOf(STATE_SUPER_FREEZING))) {
 126             superCoolState = OnOffType.OFF;
 127             superFreezeState = OnOffType.ON;
 128         } else {
 129             superCoolState = OnOffType.OFF;
 130             superFreezeState = OnOffType.OFF;
 131         }
 132
 133         ChannelUID superCoolChannelUid = new ChannelUID(getThing().getUID(), SUPERCOOL_CHANNEL_ID);
 134         logger.trace("Update state of {} to {} through '{}'", superCoolChannelUid, superCoolState, dp.Name);
 135         updateState(superCoolChannelUid, superCoolState);
 136
 137         ChannelUID superFreezeChannelUid = new ChannelUID(getThing().getUID(), SUPERFREEZE_CHANNEL_ID);
 138         logger.trace("Update state of {} to {} through '{}'", superFreezeChannelUid, superFreezeState, dp.Name);
 139         updateState(superFreezeChannelUid, superFreezeState);
 140     }
 141 }