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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_HOOD;
  16
  17 import org.eclipse.jdt.annotation.NonNullByDefault;
  18 import org.openhab.binding.miele.internal.exceptions.MieleRpcException;
  19 import org.openhab.core.i18n.LocaleProvider;
  20 import org.openhab.core.i18n.TimeZoneProvider;
  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 HoodHandler} 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 HoodHandler extends MieleApplianceHandler<HoodChannelSelector> {
  42
  43     private final Logger logger = LoggerFactory.getLogger(HoodHandler.class);
  44
  45     public HoodHandler(Thing thing, TranslationProvider i18nProvider, LocaleProvider localeProvider,
  46             TimeZoneProvider timeZoneProvider) {
  47         super(thing, i18nProvider, localeProvider, timeZoneProvider, HoodChannelSelector.class,
  48                 MIELE_DEVICE_CLASS_HOOD);
  49     }
  50
  51     @Override
  52     public void handleCommand(ChannelUID channelUID, Command command) {
  53         super.handleCommand(channelUID, command);
  54
  55         String channelID = channelUID.getId();
  56         String applianceId = this.applianceId;
  57         if (applianceId == null) {
  58             logger.warn("Command '{}' failed, appliance id is unknown", command);
  59             return;
  60         }
  61
  62         HoodChannelSelector selector = (HoodChannelSelector) getValueSelectorFromChannelID(channelID);
  63         JsonElement result = null;
  64
  65         try {
  66             MieleBridgeHandler bridgeHandler = getMieleBridgeHandler();
  67             if (bridgeHandler == null) {
  68                 logger.warn("Command '{}' failed, missing bridge handler", command);
  69                 return;
  70             }
  71             switch (selector) {
  72                 case LIGHT: {
  73                     if (command.equals(OnOffType.ON)) {
  74                         result = bridgeHandler.invokeOperation(applianceId, modelID, "startLighting");
  75                     } else if (command.equals(OnOffType.OFF)) {
  76                         result = bridgeHandler.invokeOperation(applianceId, modelID, "stopLighting");
  77                     }
  78                     break;
  79                 }
  80                 case STOP: {
  81                     if (command.equals(OnOffType.ON)) {
  82                         result = bridgeHandler.invokeOperation(applianceId, modelID, "stop");
  83                     }
  84                     break;
  85                 }
  86                 default: {
  87                     logger.debug("{} is a read-only channel that does not accept commands", selector.getChannelID());
  88                 }
  89             }
  90             // process result
  91             if (result != null && isResultProcessable(result)) {
  92                 logger.debug("Result of operation is {}", result.getAsString());
  93             }
  94         } catch (IllegalArgumentException e) {
  95             logger.warn(
  96                     "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
  97                     channelID, command.toString());
  98         } catch (MieleRpcException e) {
  99             Throwable cause = e.getCause();
 100             if (cause == null) {
 101                 logger.warn("An error occurred while trying to invoke operation: {}", e.getMessage());
 102             } else {
 103                 logger.warn("An error occurred while trying to invoke operation: {} -> {}", e.getMessage(),
 104                         cause.getMessage());
 105             }
 106         }
 107     }
 108 }