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   1 /**
   2  * Copyright (c) 2010-2021 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.PROTOCOL_PROPERTY_NAME;
  17
  18 import org.openhab.binding.miele.internal.FullyQualifiedApplianceIdentifier;
  19 import org.openhab.core.library.types.OnOffType;
  20 import org.openhab.core.thing.ChannelUID;
  21 import org.openhab.core.thing.Thing;
  22 import org.openhab.core.types.Command;
  23 import org.openhab.core.types.RefreshType;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 import com.google.gson.JsonElement;
  28
  29 /**
  30  * The {@link OvenHandler} is responsible for handling commands,
  31  * which are sent to one of the channels
  32  *
  33  * @author Karel Goderis - Initial contribution
  34  * @author Kai Kreuzer - fixed handling of REFRESH commands
  35  * @author Martin Lepsy - fixed handling of empty JSON results
  36  * @author Jacob Laursen - Fixed multicast and protocol support (ZigBee/LAN)
  37  */
  38 public class OvenHandler extends MieleApplianceHandler<OvenChannelSelector> {
  39
  40     private final Logger logger = LoggerFactory.getLogger(OvenHandler.class);
  41
  42     public OvenHandler(Thing thing) {
  43         super(thing, OvenChannelSelector.class, "Oven");
  44     }
  45
  46     @Override
  47     public void handleCommand(ChannelUID channelUID, Command command) {
  48         super.handleCommand(channelUID, command);
  49
  50         String channelID = channelUID.getId();
  51         String applianceId = (String) getThing().getConfiguration().getProperties().get(APPLIANCE_ID);
  52         String protocol = getThing().getProperties().get(PROTOCOL_PROPERTY_NAME);
  53         var applianceIdentifier = new FullyQualifiedApplianceIdentifier(applianceId, protocol);
  54
  55         OvenChannelSelector selector = (OvenChannelSelector) getValueSelectorFromChannelID(channelID);
  56         JsonElement result = null;
  57
  58         try {
  59             if (selector != null) {
  60                 switch (selector) {
  61                     case SWITCH: {
  62                         if (command.equals(OnOffType.ON)) {
  63                             result = bridgeHandler.invokeOperation(applianceIdentifier, modelID, "switchOn");
  64                         } else if (command.equals(OnOffType.OFF)) {
  65                             result = bridgeHandler.invokeOperation(applianceIdentifier, modelID, "switchOff");
  66                         }
  67                         break;
  68                     }
  69                     case STOP: {
  70                         if (command.equals(OnOffType.ON)) {
  71                             result = bridgeHandler.invokeOperation(applianceIdentifier, modelID, "stop");
  72                         }
  73                         break;
  74                     }
  75                     default: {
  76                         if (!(command instanceof RefreshType)) {
  77                             logger.debug("{} is a read-only channel that does not accept commands",
  78                                     selector.getChannelID());
  79                         }
  80                     }
  81                 }
  82             }
  83             // process result
  84             if (isResultProcessable(result)) {
  85                 logger.debug("Result of operation is {}", result.getAsString());
  86             }
  87         } catch (IllegalArgumentException e) {
  88             logger.warn(
  89                     "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
  90                     channelID, command.toString());
  91         }
  92     }
  93 }