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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.onewire.internal.handler;
  14
  15 import static org.openhab.binding.onewire.internal.OwBindingConstants.CHANNEL_DIGITAL;
  16 import static org.openhab.binding.onewire.internal.OwBindingConstants.THING_TYPE_BASIC;
  17
  18 import java.util.Collections;
  19 import java.util.Set;
  20 import java.util.stream.Collectors;
  21 import java.util.stream.Stream;
  22
  23 import org.eclipse.jdt.annotation.NonNullByDefault;
  24 import org.openhab.binding.onewire.internal.OwDynamicStateDescriptionProvider;
  25 import org.openhab.binding.onewire.internal.device.*;
  26 import org.openhab.core.library.types.OnOffType;
  27 import org.openhab.core.thing.Bridge;
  28 import org.openhab.core.thing.ChannelUID;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingTypeUID;
  31 import org.openhab.core.types.Command;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 /**
  36  * The {@link BasicThingHandler} is responsible for handling simple sensors
  37  *
  38  * @author Jan N. Klug - Initial contribution
  39  */
  40 @NonNullByDefault
  41 public class BasicThingHandler extends OwBaseThingHandler {
  42     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES = Collections.singleton(THING_TYPE_BASIC);
  43     public static final Set<OwSensorType> SUPPORTED_SENSOR_TYPES = Collections
  44             .unmodifiableSet(Stream.of(OwSensorType.DS1420, OwSensorType.DS18B20, OwSensorType.DS18S20,
  45                     OwSensorType.DS1822, OwSensorType.DS2401, OwSensorType.DS2405, OwSensorType.DS2406,
  46                     OwSensorType.DS2408, OwSensorType.DS2413, OwSensorType.DS2423).collect(Collectors.toSet()));
  47
  48     private final Logger logger = LoggerFactory.getLogger(BasicThingHandler.class);
  49
  50     public BasicThingHandler(Thing thing, OwDynamicStateDescriptionProvider dynamicStateDescriptionProvider) {
  51         super(thing, dynamicStateDescriptionProvider, SUPPORTED_SENSOR_TYPES);
  52     }
  53
  54     @Override
  55     public void initialize() {
  56         if (!super.configureThingHandler()) {
  57             return;
  58         }
  59
  60         // add sensor
  61         switch (sensorType) {
  62             case DS18B20:
  63             case DS18S20:
  64             case DS1822:
  65                 sensors.add(new DS18x20(sensorId, this));
  66                 break;
  67             case DS1420:
  68             case DS2401:
  69                 sensors.add(new DS2401(sensorId, this));
  70                 break;
  71             case DS2405:
  72                 sensors.add(new DS2405(sensorId, this));
  73                 break;
  74             case DS2406:
  75             case DS2413:
  76                 sensors.add(new DS2406_DS2413(sensorId, this));
  77                 break;
  78             case DS2408:
  79                 sensors.add(new DS2408(sensorId, this));
  80                 break;
  81             case DS2423:
  82                 sensors.add(new DS2423(sensorId, this));
  83                 break;
  84             default:
  85                 throw new IllegalArgumentException(
  86                         "unsupported sensorType " + sensorType.name() + ", this should have been checked before!");
  87         }
  88
  89         scheduler.execute(() -> {
  90             configureThingChannels();
  91         });
  92     }
  93
  94     @Override
  95     public void handleCommand(ChannelUID channelUID, Command command) {
  96         if (command instanceof OnOffType) {
  97             if (channelUID.getId().startsWith(CHANNEL_DIGITAL) && thing.getChannel(channelUID.getId()) != null) {
  98                 Integer ioChannel = Integer.valueOf(channelUID.getId().substring(channelUID.getId().length() - 1));
  99                 Bridge bridge = getBridge();
 100                 if (bridge != null) {
 101                     OwserverBridgeHandler bridgeHandler = (OwserverBridgeHandler) bridge.getHandler();
 102                     if (bridgeHandler != null) {
 103                         if (!((AbstractDigitalOwDevice) sensors.get(0)).writeChannel(bridgeHandler, ioChannel,
 104                                 command)) {
 105                             logger.debug("writing to channel {} in thing {} not permitted (input channel)", channelUID,
 106                                     this.thing.getUID());
 107                         }
 108                     } else {
 109                         logger.warn("bridge handler not found");
 110                     }
 111                 } else {
 112                     logger.warn("bridge not found");
 113                 }
 114             }
 115         }
 116         super.handleCommand(channelUID, command);
 117     }
 118 }