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