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