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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.MIELE_DEVICE_CLASS_COFFEE_SYSTEM;
  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.openhab.core.types.RefreshType;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 import com.google.gson.JsonElement;
  32
  33 /**
  34  * The {@link CoffeeMachineHandler} is responsible for handling commands,
  35  * which are sent to one of the channels
  36  *
  37  * @author Stephan Esch - Initial contribution
  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 CoffeeMachineHandler extends MieleApplianceHandler<CoffeeMachineChannelSelector> {
  43
  44     private final Logger logger = LoggerFactory.getLogger(CoffeeMachineHandler.class);
  45
  46     public CoffeeMachineHandler(Thing thing, TranslationProvider i18nProvider, LocaleProvider localeProvider,
  47             TimeZoneProvider timeZoneProvider) {
  48         super(thing, i18nProvider, localeProvider, timeZoneProvider, CoffeeMachineChannelSelector.class,
  49                 MIELE_DEVICE_CLASS_COFFEE_SYSTEM);
  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         CoffeeMachineChannelSelector selector = (CoffeeMachineChannelSelector) getValueSelectorFromChannelID(channelID);
  64         JsonElement result = null;
  65
  66         try {
  67             switch (selector) {
  68                 case SWITCH: {
  69                     MieleBridgeHandler bridgeHandler = getMieleBridgeHandler();
  70                     if (bridgeHandler == null) {
  71                         logger.warn("Command '{}' failed, missing bridge handler", command);
  72                         return;
  73                     }
  74                     if (command.equals(OnOffType.ON)) {
  75                         result = bridgeHandler.invokeOperation(applianceId, modelID, "switchOn");
  76                     } else if (command.equals(OnOffType.OFF)) {
  77                         result = bridgeHandler.invokeOperation(applianceId, modelID, "switchOff");
  78                     }
  79                     break;
  80                 }
  81                 default: {
  82                     if (!(command instanceof RefreshType)) {
  83                         logger.debug("{} is a read-only channel that does not accept commands",
  84                                 selector.getChannelID());
  85                     }
  86                 }
  87             }
  88             // process result
  89             if (result != null && isResultProcessable(result)) {
  90                 logger.debug("Result of operation is {}", result.getAsString());
  91             }
  92         } catch (IllegalArgumentException e) {
  93             logger.warn(
  94                     "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
  95                     channelID, command.toString());
  96         } catch (MieleRpcException e) {
  97             Throwable cause = e.getCause();
  98             if (cause == null) {
  99                 logger.warn("An error occurred while trying to invoke operation: {}", e.getMessage());
 100             } else {
 101                 logger.warn("An error occurred while trying to invoke operation: {} -> {}", e.getMessage(),
 102                         cause.getMessage());
 103             }
 104         }
 105     }
 106
 107     @Override
 108     public void onAppliancePropertyChanged(DeviceProperty dp) {
 109         super.onAppliancePropertyChanged(dp);
 110         updateSwitchOnOffFromState(dp);
 111     }
 112 }