git.basschouten.com Git - openhab-addons.git/blob

   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.smartmeter.internal;
  14
  15 import static org.openhab.binding.smartmeter.SmartMeterBindingConstants.THING_TYPE_SMLREADER;
  16
  17 import java.util.Collections;
  18 import java.util.Set;
  19 import java.util.function.Supplier;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.core.io.transport.serial.SerialPortManager;
  24 import org.openhab.core.thing.Thing;
  25 import org.openhab.core.thing.ThingTypeUID;
  26 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  27 import org.openhab.core.thing.binding.ThingHandler;
  28 import org.openhab.core.thing.binding.ThingHandlerFactory;
  29 import org.osgi.service.component.annotations.Component;
  30 import org.osgi.service.component.annotations.ConfigurationPolicy;
  31 import org.osgi.service.component.annotations.Reference;
  32
  33 /**
  34  * The {@link SmartMeterHandlerFactory} is responsible for creating things and thing
  35  * handlers.
  36  *
  37  * @author Matthias Steigenberger - Initial contribution
  38  */
  39 @Component(service = ThingHandlerFactory.class, configurationPolicy = ConfigurationPolicy.OPTIONAL)
  40 @NonNullByDefault
  41 public class SmartMeterHandlerFactory extends BaseThingHandlerFactory {
  42
  43     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(THING_TYPE_SMLREADER);
  44     private @NonNullByDefault({}) SmartMeterChannelTypeProvider channelProvider;
  45     private @NonNullByDefault({}) Supplier<SerialPortManager> serialPortManagerSupplier = () -> null;
  46
  47     @Override
  48     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  49         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  50     }
  51
  52     @Reference
  53     protected void setSmartMeterChannelTypeProvider(SmartMeterChannelTypeProvider provider) {
  54         this.channelProvider = provider;
  55     }
  56
  57     protected void unsetSmartMeterChannelTypeProvider(SmartMeterChannelTypeProvider provider) {
  58         this.channelProvider = null;
  59     }
  60
  61     @Reference
  62     protected void setSerialPortManager(SerialPortManager serialPortManager) {
  63         serialPortManagerSupplier = () -> serialPortManager;
  64     }
  65
  66     protected void unsetSerialPortManager(SerialPortManager serialPortManager) {
  67         this.serialPortManagerSupplier = () -> null;
  68     }
  69
  70     @Override
  71     protected @Nullable ThingHandler createHandler(Thing thing) {
  72         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  73
  74         if (thingTypeUID.equals(THING_TYPE_SMLREADER)) {
  75             return new SmartMeterHandler(thing, channelProvider, serialPortManagerSupplier);
  76         }
  77
  78         return null;
  79     }
  80 }