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   1 /**
   2  * Copyright (c) 2010-2020 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
  17 import org.openhab.core.library.types.OnOffType;
  18 import org.openhab.core.thing.ChannelUID;
  19 import org.openhab.core.thing.Thing;
  20 import org.openhab.core.types.Command;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import com.google.gson.JsonElement;
  25
  26 /**
  27  * The {@link HoodHandler} is responsible for handling commands,
  28  * which are sent to one of the channels
  29  *
  30  * @author Karel Goderis - Initial contribution
  31  * @author Kai Kreuzer - fixed handling of REFRESH commands
  32  * @author Martin Lepsy - fixed handling of empty JSON results
  33  */
  34 public class HoodHandler extends MieleApplianceHandler<HoodChannelSelector> {
  35
  36     private final Logger logger = LoggerFactory.getLogger(HoodHandler.class);
  37
  38     public HoodHandler(Thing thing) {
  39         super(thing, HoodChannelSelector.class, "Hood");
  40     }
  41
  42     @Override
  43     public void handleCommand(ChannelUID channelUID, Command command) {
  44         super.handleCommand(channelUID, command);
  45
  46         String channelID = channelUID.getId();
  47         String uid = (String) getThing().getConfiguration().getProperties().get(APPLIANCE_ID);
  48
  49         HoodChannelSelector selector = (HoodChannelSelector) getValueSelectorFromChannelID(channelID);
  50         JsonElement result = null;
  51
  52         try {
  53             if (selector != null) {
  54                 switch (selector) {
  55                     case LIGHT: {
  56                         if (command.equals(OnOffType.ON)) {
  57                             result = bridgeHandler.invokeOperation(uid, modelID, "startLighting");
  58                         } else if (command.equals(OnOffType.OFF)) {
  59                             result = bridgeHandler.invokeOperation(uid, modelID, "stopLighting");
  60                         }
  61                         break;
  62                     }
  63                     case STOP: {
  64                         if (command.equals(OnOffType.ON)) {
  65                             result = bridgeHandler.invokeOperation(uid, modelID, "stop");
  66                         }
  67                         break;
  68                     }
  69                     default: {
  70                         logger.debug("{} is a read-only channel that does not accept commands",
  71                                 selector.getChannelID());
  72                     }
  73                 }
  74             }
  75             // process result
  76             if (isResultProcessable(result)) {
  77                 logger.debug("Result of operation is {}", result.getAsString());
  78             }
  79         } catch (IllegalArgumentException e) {
  80             logger.warn(
  81                     "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
  82                     channelID, command.toString());
  83         }
  84     }
  85 }