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