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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.satel.internal;
  14
  15 import static org.openhab.binding.satel.internal.SatelBindingConstants.*;
  16
  17 import java.util.Hashtable;
  18 import java.util.Map;
  19 import java.util.Set;
  20 import java.util.concurrent.ConcurrentHashMap;
  21 import java.util.stream.Collectors;
  22 import java.util.stream.Stream;
  23
  24 import org.eclipse.jdt.annotation.NonNullByDefault;
  25 import org.eclipse.jdt.annotation.Nullable;
  26 import org.openhab.binding.satel.internal.config.SatelThingConfig;
  27 import org.openhab.binding.satel.internal.discovery.SatelDeviceDiscoveryService;
  28 import org.openhab.binding.satel.internal.handler.Atd100Handler;
  29 import org.openhab.binding.satel.internal.handler.Ethm1BridgeHandler;
  30 import org.openhab.binding.satel.internal.handler.IntRSBridgeHandler;
  31 import org.openhab.binding.satel.internal.handler.SatelBridgeHandler;
  32 import org.openhab.binding.satel.internal.handler.SatelEventLogHandler;
  33 import org.openhab.binding.satel.internal.handler.SatelOutputHandler;
  34 import org.openhab.binding.satel.internal.handler.SatelPartitionHandler;
  35 import org.openhab.binding.satel.internal.handler.SatelShutterHandler;
  36 import org.openhab.binding.satel.internal.handler.SatelSystemHandler;
  37 import org.openhab.binding.satel.internal.handler.SatelZoneHandler;
  38 import org.openhab.core.config.core.Configuration;
  39 import org.openhab.core.config.discovery.DiscoveryService;
  40 import org.openhab.core.io.transport.serial.SerialPortManager;
  41 import org.openhab.core.thing.Bridge;
  42 import org.openhab.core.thing.Thing;
  43 import org.openhab.core.thing.ThingTypeUID;
  44 import org.openhab.core.thing.ThingUID;
  45 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  46 import org.openhab.core.thing.binding.ThingHandler;
  47 import org.openhab.core.thing.binding.ThingHandlerFactory;
  48 import org.openhab.core.thing.type.ThingType;
  49 import org.osgi.framework.ServiceRegistration;
  50 import org.osgi.service.component.annotations.Component;
  51 import org.osgi.service.component.annotations.Reference;
  52
  53 /**
  54  * The {@link SatelHandlerFactory} is responsible for creating things and thing
  55  * handlers.
  56  *
  57  * @author Krzysztof Goworek - Initial contribution
  58  */
  59 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.satel")
  60 @NonNullByDefault
  61 public class SatelHandlerFactory extends BaseThingHandlerFactory {
  62
  63     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Stream
  64             .of(BRIDGE_THING_TYPES_UIDS, DEVICE_THING_TYPES_UIDS, VIRTUAL_THING_TYPES_UIDS)
  65             .flatMap(uids -> uids.stream()).collect(Collectors.toSet());
  66
  67     private Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegistrations = new ConcurrentHashMap<>();
  68
  69     private @Nullable SerialPortManager serialPortManager;
  70
  71     @Override
  72     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  73         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  74     }
  75
  76     @Override
  77     public @Nullable Thing createThing(ThingTypeUID thingTypeUID, Configuration configuration,
  78             @Nullable ThingUID thingUID, @Nullable ThingUID bridgeUID) {
  79         ThingUID effectiveUID = thingUID;
  80         if (effectiveUID == null) {
  81             if (DEVICE_THING_TYPES_UIDS.contains(thingTypeUID)) {
  82                 effectiveUID = getDeviceUID(thingTypeUID, thingUID, configuration, bridgeUID);
  83             } else if (VIRTUAL_THING_TYPES_UIDS.contains(thingTypeUID) && bridgeUID != null) {
  84                 effectiveUID = new ThingUID(thingTypeUID, bridgeUID.getId());
  85             }
  86         }
  87         return super.createThing(thingTypeUID, configuration, effectiveUID, bridgeUID);
  88     }
  89
  90     @Override
  91     protected @Nullable ThingHandler createHandler(Thing thing) {
  92         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  93
  94         if (Ethm1BridgeHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  95             SatelBridgeHandler bridgeHandler = new Ethm1BridgeHandler((Bridge) thing);
  96             registerDiscoveryService(bridgeHandler);
  97             return bridgeHandler;
  98         } else if (IntRSBridgeHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  99             final SerialPortManager serialPortManager = this.serialPortManager;
 100             if (serialPortManager != null) {
 101                 SatelBridgeHandler bridgeHandler = new IntRSBridgeHandler((Bridge) thing, serialPortManager);
 102                 registerDiscoveryService(bridgeHandler);
 103                 return bridgeHandler;
 104             } else {
 105                 throw new IllegalStateException(
 106                         "Unable to create INT-RS bridge thing. The serial port manager is missing.");
 107             }
 108         } else if (SatelZoneHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
 109             return new SatelZoneHandler(thing);
 110         } else if (SatelOutputHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
 111             return new SatelOutputHandler(thing);
 112         } else if (SatelPartitionHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
 113             return new SatelPartitionHandler(thing);
 114         } else if (SatelShutterHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
 115             return new SatelShutterHandler(thing);
 116         } else if (SatelSystemHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
 117             return new SatelSystemHandler(thing);
 118         } else if (SatelEventLogHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
 119             return new SatelEventLogHandler(thing);
 120         } else if (Atd100Handler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
 121             return new Atd100Handler(thing);
 122         }
 123
 124         return null;
 125     }
 126
 127     @SuppressWarnings("null")
 128     @Override
 129     protected void removeHandler(ThingHandler thingHandler) {
 130         super.removeHandler(thingHandler);
 131
 132         ServiceRegistration<?> discoveryServiceRegistration = discoveryServiceRegistrations
 133                 .remove(thingHandler.getThing().getUID());
 134         if (discoveryServiceRegistration != null) {
 135             discoveryServiceRegistration.unregister();
 136         }
 137     }
 138
 139     @Reference
 140     protected void setSerialPortManager(final SerialPortManager serialPortManager) {
 141         this.serialPortManager = serialPortManager;
 142     }
 143
 144     protected void unsetSerialPortManager(final SerialPortManager serialPortManager) {
 145         this.serialPortManager = null;
 146     }
 147
 148     private void registerDiscoveryService(SatelBridgeHandler bridgeHandler) {
 149         SatelDeviceDiscoveryService discoveryService = new SatelDeviceDiscoveryService(bridgeHandler,
 150                 this::resolveThingType);
 151         ServiceRegistration<?> discoveryServiceRegistration = bundleContext
 152                 .registerService(DiscoveryService.class.getName(), discoveryService, new Hashtable<>());
 153         discoveryServiceRegistrations.put(bridgeHandler.getThing().getUID(), discoveryServiceRegistration);
 154     }
 155
 156     private ThingUID getDeviceUID(ThingTypeUID thingTypeUID, @Nullable ThingUID thingUID, Configuration configuration,
 157             @Nullable ThingUID bridgeUID) {
 158         String deviceId;
 159         if (THING_TYPE_SHUTTER.equals(thingTypeUID)) {
 160             deviceId = String.format("%s-%s", configuration.get(SatelThingConfig.UP_ID),
 161                     configuration.get(SatelThingConfig.DOWN_ID));
 162         } else {
 163             deviceId = String.valueOf(configuration.get(SatelThingConfig.ID));
 164         }
 165         return bridgeUID != null ? new ThingUID(thingTypeUID, deviceId, bridgeUID.getId())
 166                 : new ThingUID(thingTypeUID, deviceId);
 167     }
 168
 169     private ThingType resolveThingType(ThingTypeUID thingTypeUID) {
 170         final ThingType result = super.getThingTypeByUID(thingTypeUID);
 171         if (result != null) {
 172             return result;
 173         }
 174         throw new IllegalArgumentException("Invalid thing type provided: " + thingTypeUID);
 175     }
 176 }