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   1 /**
   2  * Copyright (c) 2010-2024 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.serial.internal.channel;
  14
  15 import static org.openhab.binding.serial.internal.SerialBindingConstants.DEVICE_DIMMER_CHANNEL;
  16 import static org.openhab.binding.serial.internal.SerialBindingConstants.DEVICE_NUMBER_CHANNEL;
  17 import static org.openhab.binding.serial.internal.SerialBindingConstants.DEVICE_ROLLERSHUTTER_CHANNEL;
  18 import static org.openhab.binding.serial.internal.SerialBindingConstants.DEVICE_STRING_CHANNEL;
  19 import static org.openhab.binding.serial.internal.SerialBindingConstants.DEVICE_SWITCH_CHANNEL;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.serial.internal.transform.ValueTransformationProvider;
  24
  25 /**
  26  * A factory to create {@link DeviceChannel} objects
  27  *
  28  * @author Mike Major - Initial contribution
  29  */
  30 @NonNullByDefault
  31 public class DeviceChannelFactory {
  32
  33     /**
  34      * Create a {@link DeviceChannel} for the channel type
  35      *
  36      * @param valueTransformationProvider the transformation provider
  37      * @param channelConfig the channel configuration
  38      * @param channelTypeID the channel type id
  39      * @return the DeviceChannel or null if the channel type is not supported.
  40      */
  41     public static @Nullable DeviceChannel createDeviceChannel(
  42             final ValueTransformationProvider valueTransformationProvider, final ChannelConfig channelConfig,
  43             final String channelTypeID) {
  44         DeviceChannel deviceChannel;
  45
  46         switch (channelTypeID) {
  47             case DEVICE_STRING_CHANNEL:
  48                 deviceChannel = new StringChannel(valueTransformationProvider, channelConfig);
  49                 break;
  50             case DEVICE_NUMBER_CHANNEL:
  51                 deviceChannel = new NumberChannel(valueTransformationProvider, channelConfig);
  52                 break;
  53             case DEVICE_DIMMER_CHANNEL:
  54                 deviceChannel = new DimmerChannel(valueTransformationProvider, channelConfig);
  55                 break;
  56             case DEVICE_SWITCH_CHANNEL:
  57                 deviceChannel = new SwitchChannel(valueTransformationProvider, channelConfig);
  58                 break;
  59             case DEVICE_ROLLERSHUTTER_CHANNEL:
  60                 deviceChannel = new RollershutterChannel(valueTransformationProvider, channelConfig);
  61                 break;
  62             default:
  63                 deviceChannel = null;
  64                 break;
  65         }
  66
  67         return deviceChannel;
  68     }
  69 }