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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.APPLIANCE_ID;
  16 import static org.openhab.binding.miele.internal.MieleBindingConstants.MIELE_DEVICE_CLASS_HOOD;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  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 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         super(thing, i18nProvider, localeProvider, HoodChannelSelector.class, MIELE_DEVICE_CLASS_HOOD);
  47     }
  48
  49     @Override
  50     public void handleCommand(ChannelUID channelUID, Command command) {
  51         super.handleCommand(channelUID, command);
  52
  53         String channelID = channelUID.getId();
  54         String applianceId = (String) getThing().getConfiguration().getProperties().get(APPLIANCE_ID);
  55         if (applianceId == null) {
  56             logger.warn("Command '{}' failed, appliance id is unknown", command);
  57             return;
  58         }
  59
  60         HoodChannelSelector selector = (HoodChannelSelector) getValueSelectorFromChannelID(channelID);
  61         JsonElement result = null;
  62
  63         try {
  64             MieleBridgeHandler bridgeHandler = this.bridgeHandler;
  65             if (bridgeHandler == null) {
  66                 logger.warn("Command '{}' failed, missing bridge handler", command);
  67                 return;
  68             }
  69             switch (selector) {
  70                 case LIGHT: {
  71                     if (command.equals(OnOffType.ON)) {
  72                         result = bridgeHandler.invokeOperation(applianceId, modelID, "startLighting");
  73                     } else if (command.equals(OnOffType.OFF)) {
  74                         result = bridgeHandler.invokeOperation(applianceId, modelID, "stopLighting");
  75                     }
  76                     break;
  77                 }
  78                 case STOP: {
  79                     if (command.equals(OnOffType.ON)) {
  80                         result = bridgeHandler.invokeOperation(applianceId, modelID, "stop");
  81                     }
  82                     break;
  83                 }
  84                 default: {
  85                     logger.debug("{} is a read-only channel that does not accept commands", selector.getChannelID());
  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 }