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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.upb.internal;
  14
  15 import java.math.BigDecimal;
  16 import java.util.Dictionary;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.binding.upb.internal.handler.SerialPIMHandler;
  21 import org.openhab.binding.upb.internal.handler.UPBThingHandler;
  22 import org.openhab.binding.upb.internal.handler.VirtualThingHandler;
  23 import org.openhab.core.io.transport.serial.SerialPortManager;
  24 import org.openhab.core.thing.Bridge;
  25 import org.openhab.core.thing.Thing;
  26 import org.openhab.core.thing.ThingTypeUID;
  27 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  28 import org.openhab.core.thing.binding.ThingHandler;
  29 import org.openhab.core.thing.binding.ThingHandlerFactory;
  30 import org.osgi.service.component.ComponentContext;
  31 import org.osgi.service.component.annotations.Activate;
  32 import org.osgi.service.component.annotations.Component;
  33 import org.osgi.service.component.annotations.Reference;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 /**
  38  * Factory for UPB handlers.
  39  *
  40  * @author Marcus Better - Initial contribution
  41  */
  42 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.upb")
  43 @NonNullByDefault
  44 public class UPBHandlerFactory extends BaseThingHandlerFactory {
  45     private final Logger logger = LoggerFactory.getLogger(UPBHandlerFactory.class);
  46     private final SerialPortManager serialPortManager;
  47
  48     private @Nullable Byte networkId;
  49
  50     @Activate
  51     public UPBHandlerFactory(@Reference SerialPortManager serialPortManager) {
  52         this.serialPortManager = serialPortManager;
  53     }
  54
  55     @Override
  56     @NonNullByDefault({})
  57     protected void activate(final ComponentContext componentContext) {
  58         super.activate(componentContext);
  59         final Dictionary<String, Object> config = componentContext.getProperties();
  60         final BigDecimal nid = (BigDecimal) config.get(Constants.CONFIGURATION_NETWORK_ID);
  61         if (nid != null) {
  62             if (nid.compareTo(BigDecimal.ZERO) < 0 || nid.compareTo(BigDecimal.valueOf(255)) > 0) {
  63                 logger.warn("invalid network ID {}", nid);
  64                 throw new IllegalArgumentException("network ID out of range");
  65             }
  66             networkId = nid.byteValue();
  67         }
  68     }
  69
  70     @Override
  71     public boolean supportsThingType(final ThingTypeUID thingTypeUID) {
  72         return Constants.BINDING_ID.equals(thingTypeUID.getBindingId());
  73     }
  74
  75     @Override
  76     protected @Nullable ThingHandler createHandler(final Thing thing) {
  77         logger.debug("Creating thing {}", thing.getUID());
  78         final ThingTypeUID thingTypeUID = thing.getThingTypeUID();
  79         if (thingTypeUID.equals(Constants.PIM_UID)) {
  80             assert serialPortManager != null;
  81             return new SerialPIMHandler((Bridge) thing, serialPortManager);
  82         } else if (thingTypeUID.equals(Constants.VIRTUAL_DEVICE_UID)) {
  83             return new VirtualThingHandler(thing, networkId);
  84         } else if (thingTypeUID.equals(Constants.GENERIC_DEVICE_UID)
  85                 || thingTypeUID.equals(Constants.LEVITON_38A00_DEVICE_UID)) {
  86             // generic UPB thing handler
  87             return new UPBThingHandler(thing, networkId);
  88         }
  89         return null;
  90     }
  91 }