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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.modbus.internal;
  14
  15 import static org.openhab.binding.modbus.internal.ModbusBindingConstantsInternal.*;
  16
  17 import java.util.HashSet;
  18 import java.util.Set;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.modbus.handler.ModbusPollerThingHandler;
  23 import org.openhab.binding.modbus.internal.handler.ModbusDataThingHandler;
  24 import org.openhab.binding.modbus.internal.handler.ModbusSerialThingHandler;
  25 import org.openhab.binding.modbus.internal.handler.ModbusTcpThingHandler;
  26 import org.openhab.core.io.transport.modbus.ModbusManager;
  27 import org.openhab.core.thing.Bridge;
  28 import org.openhab.core.thing.Thing;
  29 import org.openhab.core.thing.ThingTypeUID;
  30 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  31 import org.openhab.core.thing.binding.ThingHandler;
  32 import org.openhab.core.thing.binding.ThingHandlerFactory;
  33 import org.osgi.service.component.annotations.Component;
  34 import org.osgi.service.component.annotations.Reference;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 /**
  39  * The {@link ModbusHandlerFactory} is responsible for creating things and thing
  40  * handlers.
  41  *
  42  * @author Sami Salonen - Initial contribution
  43  */
  44 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.modbus")
  45 @NonNullByDefault
  46 public class ModbusHandlerFactory extends BaseThingHandlerFactory {
  47
  48     private final Logger logger = LoggerFactory.getLogger(ModbusHandlerFactory.class);
  49
  50     private @NonNullByDefault({}) ModbusManager manager;
  51
  52     private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = new HashSet<>();
  53     static {
  54         SUPPORTED_THING_TYPES_UIDS.add(THING_TYPE_MODBUS_TCP);
  55         SUPPORTED_THING_TYPES_UIDS.add(THING_TYPE_MODBUS_SERIAL);
  56         SUPPORTED_THING_TYPES_UIDS.add(THING_TYPE_MODBUS_POLLER);
  57         SUPPORTED_THING_TYPES_UIDS.add(THING_TYPE_MODBUS_DATA);
  58     }
  59
  60     @Override
  61     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  62         return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
  63     }
  64
  65     @Override
  66     protected @Nullable ThingHandler createHandler(Thing thing) {
  67         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  68         if (thingTypeUID.equals(THING_TYPE_MODBUS_TCP)) {
  69             logger.debug("createHandler Modbus tcp");
  70             return new ModbusTcpThingHandler((Bridge) thing, manager);
  71         } else if (thingTypeUID.equals(THING_TYPE_MODBUS_SERIAL)) {
  72             logger.debug("createHandler Modbus serial");
  73             return new ModbusSerialThingHandler((Bridge) thing, manager);
  74         } else if (thingTypeUID.equals(THING_TYPE_MODBUS_POLLER)) {
  75             logger.debug("createHandler Modbus poller");
  76             return new ModbusPollerThingHandler((Bridge) thing);
  77         } else if (thingTypeUID.equals(THING_TYPE_MODBUS_DATA)) {
  78             logger.debug("createHandler data");
  79             return new ModbusDataThingHandler(thing);
  80         }
  81         logger.error("createHandler for unknown thing type uid {}. Thing label was: {}", thing.getThingTypeUID(),
  82                 thing.getLabel());
  83
  84         return null;
  85     }
  86
  87     @Reference
  88     public void setModbusManager(ModbusManager manager) {
  89         logger.debug("Setting manager: {}", manager);
  90         this.manager = manager;
  91     }
  92
  93     public void unsetModbusManager(ModbusManager manager) {
  94         this.manager = null;
  95     }
  96 }