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   1 /**
   2  * Copyright (c) 2010-2022 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.knx.internal.factory;
  14
  15 import static org.openhab.binding.knx.internal.KNXBindingConstants.*;
  16
  17 import java.util.Arrays;
  18 import java.util.Collection;
  19
  20 import org.openhab.binding.knx.internal.handler.DeviceThingHandler;
  21 import org.openhab.binding.knx.internal.handler.IPBridgeThingHandler;
  22 import org.openhab.binding.knx.internal.handler.SerialBridgeThingHandler;
  23 import org.openhab.binding.knx.internal.i18n.KNXTranslationProvider;
  24 import org.openhab.core.config.core.Configuration;
  25 import org.openhab.core.i18n.LocaleProvider;
  26 import org.openhab.core.i18n.TranslationProvider;
  27 import org.openhab.core.net.NetworkAddressService;
  28 import org.openhab.core.thing.Bridge;
  29 import org.openhab.core.thing.Thing;
  30 import org.openhab.core.thing.ThingTypeUID;
  31 import org.openhab.core.thing.ThingUID;
  32 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  33 import org.openhab.core.thing.binding.ThingHandler;
  34 import org.openhab.core.thing.binding.ThingHandlerFactory;
  35 import org.osgi.service.component.annotations.Activate;
  36 import org.osgi.service.component.annotations.Component;
  37 import org.osgi.service.component.annotations.Reference;
  38
  39 /**
  40  * The {@link KNXHandlerFactory} is responsible for creating things and thing
  41  * handlers.
  42  *
  43  * @author Simon Kaufmann - Initial contribution and API
  44  */
  45 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.knx")
  46 public class KNXHandlerFactory extends BaseThingHandlerFactory {
  47
  48     public static final Collection<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Arrays.asList(THING_TYPE_DEVICE,
  49             THING_TYPE_IP_BRIDGE, THING_TYPE_SERIAL_BRIDGE);
  50
  51     private NetworkAddressService networkAddressService;
  52
  53     @Activate
  54     public KNXHandlerFactory(final @Reference TranslationProvider translationProvider,
  55             final @Reference LocaleProvider localeProvider) {
  56         KNXTranslationProvider.I18N.setProvider(localeProvider, translationProvider);
  57     }
  58
  59     @Override
  60     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  61         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  62     }
  63
  64     @Override
  65     public Thing createThing(ThingTypeUID thingTypeUID, Configuration configuration, ThingUID thingUID,
  66             ThingUID bridgeUID) {
  67         if (THING_TYPE_IP_BRIDGE.equals(thingTypeUID)) {
  68             ThingUID ipBridgeUID = getIPBridgeThingUID(thingTypeUID, thingUID, configuration);
  69             return super.createThing(thingTypeUID, configuration, ipBridgeUID, null);
  70         }
  71         if (THING_TYPE_SERIAL_BRIDGE.equals(thingTypeUID)) {
  72             ThingUID serialBridgeUID = getSerialBridgeThingUID(thingTypeUID, thingUID, configuration);
  73             return super.createThing(thingTypeUID, configuration, serialBridgeUID, null);
  74         }
  75         if (THING_TYPE_DEVICE.equals(thingTypeUID)) {
  76             return super.createThing(thingTypeUID, configuration, thingUID, bridgeUID);
  77         }
  78         throw new IllegalArgumentException("The thing type " + thingTypeUID + " is not supported by the KNX binding.");
  79     }
  80
  81     @Override
  82     protected ThingHandler createHandler(Thing thing) {
  83         if (thing.getThingTypeUID().equals(THING_TYPE_IP_BRIDGE)) {
  84             return new IPBridgeThingHandler((Bridge) thing, networkAddressService);
  85         } else if (thing.getThingTypeUID().equals(THING_TYPE_SERIAL_BRIDGE)) {
  86             return new SerialBridgeThingHandler((Bridge) thing);
  87         } else if (thing.getThingTypeUID().equals(THING_TYPE_DEVICE)) {
  88             return new DeviceThingHandler(thing);
  89         }
  90         return null;
  91     }
  92
  93     private ThingUID getIPBridgeThingUID(ThingTypeUID thingTypeUID, ThingUID thingUID, Configuration configuration) {
  94         if (thingUID != null) {
  95             return thingUID;
  96         }
  97         String ipAddress = (String) configuration.get(IP_ADDRESS);
  98         return new ThingUID(thingTypeUID, ipAddress);
  99     }
 100
 101     private ThingUID getSerialBridgeThingUID(ThingTypeUID thingTypeUID, ThingUID thingUID,
 102             Configuration configuration) {
 103         if (thingUID != null) {
 104             return thingUID;
 105         }
 106         String serialPort = (String) configuration.get(SERIAL_PORT);
 107         return new ThingUID(thingTypeUID, serialPort);
 108     }
 109
 110     @Reference
 111     protected void setNetworkAddressService(NetworkAddressService networkAddressService) {
 112         this.networkAddressService = networkAddressService;
 113     }
 114
 115     protected void unsetNetworkAddressService(NetworkAddressService networkAddressService) {
 116         this.networkAddressService = null;
 117     }
 118 }