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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.mqtt.homeassistant.internal.component;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.eclipse.jdt.annotation.Nullable;
  17 import org.openhab.binding.mqtt.generic.values.TextValue;
  18 import org.openhab.binding.mqtt.homeassistant.internal.config.dto.AbstractChannelConfiguration;
  19 import org.openhab.core.thing.type.AutoUpdatePolicy;
  20
  21 import com.google.gson.annotations.SerializedName;
  22
  23 /**
  24  * An MQTT button, following the https://www.home-assistant.io/integrations/button.mqtt/ specification.
  25  *
  26  * @author Cody Cutrer - Initial contribution
  27  */
  28 @NonNullByDefault
  29 public class Button extends AbstractComponent<Button.ChannelConfiguration> {
  30     public static final String BUTTON_CHANNEL_ID = "button";
  31
  32     /**
  33      * Configuration class for MQTT component
  34      */
  35     static class ChannelConfiguration extends AbstractChannelConfiguration {
  36         ChannelConfiguration() {
  37             super("MQTT Button");
  38         }
  39
  40         protected @Nullable Boolean optimistic;
  41
  42         @SerializedName("command_topic")
  43         protected @Nullable String commandTopic;
  44
  45         @SerializedName("payload_press")
  46         protected String payloadPress = "PRESS";
  47     }
  48
  49     public Button(ComponentFactory.ComponentConfiguration componentConfiguration) {
  50         super(componentConfiguration, ChannelConfiguration.class);
  51
  52         TextValue value = new TextValue(new String[] { channelConfiguration.payloadPress });
  53
  54         buildChannel(BUTTON_CHANNEL_ID, value, getName(), componentConfiguration.getUpdateListener())
  55                 .commandTopic(channelConfiguration.commandTopic, channelConfiguration.isRetain(),
  56                         channelConfiguration.getQos())
  57                 .withAutoUpdatePolicy(AutoUpdatePolicy.VETO).build();
  58     }
  59 }