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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 WashingMachineHandler} 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 WashingMachineHandler extends MieleApplianceHandler<WashingMachineChannelSelector> {
  39
  40     private final Logger logger = LoggerFactory.getLogger(WashingMachineHandler.class);
  41
  42     public WashingMachineHandler(Thing thing) {
  43         super(thing, WashingMachineChannelSelector.class, "WashingMachine");
  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         WashingMachineChannelSelector selector = (WashingMachineChannelSelector) getValueSelectorFromChannelID(
  56                 channelID);
  57         JsonElement result = null;
  58
  59         try {
  60             if (selector != null) {
  61                 switch (selector) {
  62                     case SWITCH: {
  63                         if (command.equals(OnOffType.ON)) {
  64                             result = bridgeHandler.invokeOperation(applianceIdentifier, modelID, "start");
  65                         } else if (command.equals(OnOffType.OFF)) {
  66                             result = bridgeHandler.invokeOperation(applianceIdentifier, modelID, "stop");
  67                         }
  68                         break;
  69                     }
  70                     default: {
  71                         if (!(command instanceof RefreshType)) {
  72                             logger.debug("{} is a read-only channel that does not accept commands",
  73                                     selector.getChannelID());
  74                         }
  75                     }
  76                 }
  77             }
  78             // process result
  79             if (isResultProcessable(result)) {
  80                 logger.debug("Result of operation is {}", result.getAsString());
  81             }
  82         } catch (IllegalArgumentException e) {
  83             logger.warn(
  84                     "An error occurred while trying to set the read-only variable associated with channel '{}' to '{}'",
  85                     channelID, command.toString());
  86         }
  87     }
  88 }