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   1 /**
   2  * Copyright (c) 2010-2023 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;
  14
  15 import static org.openhab.binding.onewire.internal.OwBindingConstants.SUPPORTED_THING_TYPES;
  16
  17 import java.util.HashMap;
  18 import java.util.Hashtable;
  19 import java.util.Map;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.onewire.internal.discovery.OwDiscoveryService;
  24 import org.openhab.binding.onewire.internal.handler.AdvancedMultisensorThingHandler;
  25 import org.openhab.binding.onewire.internal.handler.BAE091xSensorThingHandler;
  26 import org.openhab.binding.onewire.internal.handler.BasicMultisensorThingHandler;
  27 import org.openhab.binding.onewire.internal.handler.BasicThingHandler;
  28 import org.openhab.binding.onewire.internal.handler.EDSSensorThingHandler;
  29 import org.openhab.binding.onewire.internal.handler.OwserverBridgeHandler;
  30 import org.openhab.core.config.discovery.DiscoveryService;
  31 import org.openhab.core.thing.Bridge;
  32 import org.openhab.core.thing.Thing;
  33 import org.openhab.core.thing.ThingTypeUID;
  34 import org.openhab.core.thing.ThingUID;
  35 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  36 import org.openhab.core.thing.binding.ThingHandler;
  37 import org.openhab.core.thing.binding.ThingHandlerFactory;
  38 import org.osgi.framework.ServiceRegistration;
  39 import org.osgi.service.component.annotations.Component;
  40 import org.osgi.service.component.annotations.Reference;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 /**
  45  * The {@link OwHandlerFactory} is responsible for creating things and thing
  46  * handlers.
  47  *
  48  * @author Jan N. Klug - Initial contribution
  49  */
  50 @NonNullByDefault
  51 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.onewire")
  52 public class OwHandlerFactory extends BaseThingHandlerFactory {
  53     Logger logger = LoggerFactory.getLogger(OwHandlerFactory.class);
  54     private final Map<ThingUID, ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
  55
  56     @NonNullByDefault({})
  57     private OwDynamicStateDescriptionProvider dynamicStateDescriptionProvider;
  58
  59     @Override
  60     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  61         return SUPPORTED_THING_TYPES.contains(thingTypeUID);
  62     }
  63
  64     @Override
  65     protected @Nullable ThingHandler createHandler(Thing thing) {
  66         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  67
  68         if (OwserverBridgeHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  69             OwserverBridgeHandler owserverBridgeHandler = new OwserverBridgeHandler((Bridge) thing);
  70             registerDiscoveryService(owserverBridgeHandler);
  71             return owserverBridgeHandler;
  72         } else if (BasicMultisensorThingHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  73             return new BasicMultisensorThingHandler(thing, dynamicStateDescriptionProvider);
  74         } else if (AdvancedMultisensorThingHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  75             return new AdvancedMultisensorThingHandler(thing, dynamicStateDescriptionProvider);
  76         } else if (BasicThingHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  77             return new BasicThingHandler(thing, dynamicStateDescriptionProvider);
  78         } else if (EDSSensorThingHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  79             return new EDSSensorThingHandler(thing, dynamicStateDescriptionProvider);
  80         } else if (BAE091xSensorThingHandler.SUPPORTED_THING_TYPES.contains(thingTypeUID)) {
  81             return new BAE091xSensorThingHandler(thing, dynamicStateDescriptionProvider);
  82         }
  83
  84         return null;
  85     }
  86
  87     @Override
  88     public void unregisterHandler(Thing thing) {
  89         super.unregisterHandler(thing);
  90         logger.error("factory {} deleting thing {}", this, thing);
  91     }
  92
  93     private synchronized void registerDiscoveryService(OwserverBridgeHandler owserverBridgeHandler) {
  94         OwDiscoveryService owDiscoveryService = new OwDiscoveryService(owserverBridgeHandler);
  95
  96         this.discoveryServiceRegs.put(owserverBridgeHandler.getThing().getUID(),
  97                 bundleContext.registerService(DiscoveryService.class.getName(), owDiscoveryService, new Hashtable<>()));
  98     }
  99
 100     @Override
 101     protected synchronized void removeHandler(ThingHandler thingHandler) {
 102         if (thingHandler instanceof OwserverBridgeHandler) {
 103             // remove discovery service, if bridge handler is removed
 104             ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.remove(thingHandler.getThing().getUID());
 105             if (serviceReg != null) {
 106                 OwDiscoveryService service = (OwDiscoveryService) bundleContext.getService(serviceReg.getReference());
 107                 serviceReg.unregister();
 108                 if (service != null) {
 109                     service.deactivate();
 110                 }
 111             }
 112         }
 113     }
 114
 115     @Reference
 116     protected void setDynamicStateDescriptionProvider(OwDynamicStateDescriptionProvider provider) {
 117         this.dynamicStateDescriptionProvider = provider;
 118     }
 119
 120     protected void unsetDynamicStateDescriptionProvider(OwDynamicStateDescriptionProvider provider) {
 121         this.dynamicStateDescriptionProvider = null;
 122     }
 123 }