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