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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.ImageValue;
  18 import org.openhab.binding.mqtt.generic.values.TextValue;
  19 import org.openhab.binding.mqtt.homeassistant.internal.ComponentChannelType;
  20 import org.openhab.binding.mqtt.homeassistant.internal.config.dto.AbstractChannelConfiguration;
  21
  22 import com.google.gson.annotations.SerializedName;
  23
  24 /**
  25  * A MQTT camera, following the https://www.home-assistant.io/components/camera.mqtt/ specification.
  26  *
  27  * At the moment this only notifies the user that this feature is not yet supported.
  28  *
  29  * @author David Graeff - Initial contribution
  30  */
  31 @NonNullByDefault
  32 public class Camera extends AbstractComponent<Camera.ChannelConfiguration> {
  33     public static final String CAMERA_CHANNEL_ID = "camera";
  34     public static final String JSON_ATTRIBUTES_CHANNEL_ID = "json-attributes";
  35
  36     /**
  37      * Configuration class for MQTT component
  38      */
  39     static class ChannelConfiguration extends AbstractChannelConfiguration {
  40         ChannelConfiguration() {
  41             super("MQTT Camera");
  42         }
  43
  44         protected String topic = "";
  45
  46         @SerializedName("json_attributes_template")
  47         protected @Nullable String jsonAttributesTemplate;
  48         @SerializedName("json_attributes_topic")
  49         protected @Nullable String jsonAttributesTopic;
  50     }
  51
  52     public Camera(ComponentFactory.ComponentConfiguration componentConfiguration, boolean newStyleChannels) {
  53         super(componentConfiguration, ChannelConfiguration.class, newStyleChannels);
  54
  55         ImageValue value = new ImageValue();
  56
  57         buildChannel(CAMERA_CHANNEL_ID, ComponentChannelType.IMAGE, value, getName(),
  58                 componentConfiguration.getUpdateListener()).stateTopic(channelConfiguration.topic).build();
  59
  60         if (channelConfiguration.jsonAttributesTemplate != null) {
  61             buildChannel(JSON_ATTRIBUTES_CHANNEL_ID, ComponentChannelType.STRING, new TextValue(), "JSON Attributes",
  62                     componentConfiguration.getUpdateListener())
  63                     .stateTopic(channelConfiguration.jsonAttributesTopic, channelConfiguration.jsonAttributesTemplate)
  64                     .build();
  65         }
  66
  67         finalizeChannels();
  68     }
  69 }