2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
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
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.mqtt.homeassistant.internal.component;
15 import org.eclipse.jdt.annotation.NonNullByDefault;
16 import org.eclipse.jdt.annotation.Nullable;
17 import org.openhab.binding.mqtt.generic.values.OnOffValue;
18 import org.openhab.binding.mqtt.homeassistant.internal.config.dto.AbstractChannelConfiguration;
20 import com.google.gson.annotations.SerializedName;
23 * A MQTT Fan component, following the https://www.home-assistant.io/components/fan.mqtt/ specification.
25 * Only ON/OFF is supported so far.
27 * @author David Graeff - Initial contribution
30 public class Fan extends AbstractComponent<Fan.ChannelConfiguration> {
31 public static final String SWITCH_CHANNEL_ID = "fan"; // Randomly chosen channel "ID"
34 * Configuration class for MQTT component
36 static class ChannelConfiguration extends AbstractChannelConfiguration {
37 ChannelConfiguration() {
41 @SerializedName("state_topic")
42 protected @Nullable String stateTopic;
43 @SerializedName("command_topic")
44 protected String commandTopic = "";
45 @SerializedName("payload_on")
46 protected String payloadOn = "ON";
47 @SerializedName("payload_off")
48 protected String payloadOff = "OFF";
51 public Fan(ComponentFactory.ComponentConfiguration componentConfiguration) {
52 super(componentConfiguration, ChannelConfiguration.class);
54 OnOffValue value = new OnOffValue(channelConfiguration.payloadOn, channelConfiguration.payloadOff);
55 buildChannel(SWITCH_CHANNEL_ID, value, channelConfiguration.getName(),
56 componentConfiguration.getUpdateListener())
57 .stateTopic(channelConfiguration.stateTopic, channelConfiguration.getValueTemplate())
58 .commandTopic(channelConfiguration.commandTopic, channelConfiguration.isRetain(),
59 channelConfiguration.getQos())