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   1 /**
   2  * Copyright (c) 2010-2021 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.omnilink.internal.handler;
  14
  15 import static org.openhab.binding.omnilink.internal.OmnilinkBindingConstants.*;
  16
  17 import java.util.Map;
  18 import java.util.concurrent.ScheduledFuture;
  19 import java.util.concurrent.TimeUnit;
  20
  21 import org.eclipse.jdt.annotation.NonNullByDefault;
  22 import org.eclipse.jdt.annotation.Nullable;
  23 import org.openhab.binding.omnilink.internal.discovery.ObjectPropertyRequest;
  24 import org.openhab.binding.omnilink.internal.discovery.ObjectPropertyRequests;
  25 import org.openhab.core.library.types.OnOffType;
  26 import org.openhab.core.library.types.StringType;
  27 import org.openhab.core.thing.ChannelUID;
  28 import org.openhab.core.thing.Thing;
  29 import org.openhab.core.thing.ThingStatus;
  30 import org.openhab.core.thing.ThingStatusDetail;
  31 import org.openhab.core.types.Command;
  32 import org.openhab.core.types.RefreshType;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 import com.digitaldan.jomnilinkII.Message;
  37 import com.digitaldan.jomnilinkII.MessageTypes.AudioSourceStatus;
  38 import com.digitaldan.jomnilinkII.MessageTypes.properties.AudioSourceProperties;
  39 import com.digitaldan.jomnilinkII.OmniInvalidResponseException;
  40 import com.digitaldan.jomnilinkII.OmniUnknownMessageTypeException;
  41
  42 /**
  43  * The {@link AudioSourceHandler} defines some methods that are used to
  44  * interface with an OmniLink Audio Source. This by extension also defines the
  45  * Audio Source thing that openHAB will be able to pick up and interface with.
  46  *
  47  * @author Brian O'Connell - Initial contribution
  48  * @author Ethan Dye - openHAB3 rewrite
  49  */
  50 @NonNullByDefault
  51 public class AudioSourceHandler extends AbstractOmnilinkHandler {
  52     private final Logger logger = LoggerFactory.getLogger(AudioSourceHandler.class);
  53     private final int POLL_DELAY_SECONDS = 5;
  54     private final int thingID = getThingNumber();
  55     private @Nullable ScheduledFuture<?> scheduledPolling = null;
  56     public @Nullable String number;
  57
  58     public AudioSourceHandler(Thing thing) {
  59         super(thing);
  60     }
  61
  62     @Override
  63     public void initialize() {
  64         final OmnilinkBridgeHandler bridgeHandler = getOmnilinkBridgeHandler();
  65         if (bridgeHandler != null) {
  66             updateStatus(ThingStatus.ONLINE);
  67             if (((Boolean) getThing().getConfiguration().get(THING_PROPERTIES_AUTO_START)).booleanValue()) {
  68                 logger.debug("Autostart enabled, scheduling polling for Audio Source: {}", thingID);
  69                 schedulePolling();
  70             } else {
  71                 logger.debug("Autostart disabled, not scheduling polling for Audio Source: {}", thingID);
  72                 cancelPolling();
  73             }
  74             updateAudioSourceProperties(bridgeHandler);
  75         } else {
  76             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.OFFLINE.COMMUNICATION_ERROR,
  77                     "Received null bridge while initializing Audio Source!");
  78         }
  79     }
  80
  81     private void updateAudioSourceProperties(OmnilinkBridgeHandler bridgeHandler) {
  82         ObjectPropertyRequest<AudioSourceProperties> objectPropertyRequest = ObjectPropertyRequest
  83                 .builder(bridgeHandler, ObjectPropertyRequests.AUDIO_SOURCE, thingID, 0).selectNamed().build();
  84
  85         for (AudioSourceProperties audioSourceProperties : objectPropertyRequest) {
  86             Map<String, String> properties = editProperties();
  87             properties.put(THING_PROPERTIES_NAME, audioSourceProperties.getName());
  88             updateProperties(properties);
  89         }
  90     }
  91
  92     @Override
  93     public synchronized void dispose() {
  94         cancelPolling();
  95         super.dispose();
  96     }
  97
  98     private synchronized void cancelPolling() {
  99         final ScheduledFuture<?> scheduledPolling = this.scheduledPolling;
 100         if (scheduledPolling != null) {
 101             logger.debug("Cancelling polling for Audio Source: {}", thingID);
 102             scheduledPolling.cancel(false);
 103         }
 104     }
 105
 106     private synchronized void schedulePolling() {
 107         cancelPolling();
 108         logger.debug("Scheduling polling for Audio Source: {}", thingID);
 109         scheduledPolling = super.scheduler.scheduleWithFixedDelay(this::pollAudioSource, 0, POLL_DELAY_SECONDS,
 110                 TimeUnit.SECONDS);
 111     }
 112
 113     @Override
 114     public void handleCommand(ChannelUID channelUID, Command command) {
 115         logger.debug("handleCommand called for channel: {}, command: {}", channelUID, command);
 116         final ScheduledFuture<?> scheduledPolling = this.scheduledPolling;
 117
 118         switch (channelUID.getId()) {
 119             case CHANNEL_AUDIO_SOURCE_POLLING:
 120                 if (command instanceof RefreshType) {
 121                     updateState(CHANNEL_AUDIO_SOURCE_POLLING,
 122                             OnOffType.from((scheduledPolling != null && !scheduledPolling.isDone())));
 123                 } else if (command instanceof OnOffType) {
 124                     handlePolling(channelUID, (OnOffType) command);
 125                 } else {
 126                     logger.debug("Invalid command: {}, must be RefreshType or OnOffType", command);
 127                 }
 128                 break;
 129             default:
 130                 logger.warn("Unknown channel for Audio Source thing: {}", channelUID);
 131         }
 132     }
 133
 134     private void handlePolling(ChannelUID channelUID, OnOffType command) {
 135         logger.debug("handlePolling called for channel: {}, command: {}", channelUID, command);
 136         if (OnOffType.ON.equals(command)) {
 137             schedulePolling();
 138         } else {
 139             cancelPolling();
 140         }
 141     }
 142
 143     public void pollAudioSource() {
 144         try {
 145             final OmnilinkBridgeHandler bridge = getOmnilinkBridgeHandler();
 146             if (bridge != null) {
 147                 Message message;
 148                 int position = 0;
 149                 while ((message = bridge.requestAudioSourceStatus(thingID, position))
 150                         .getMessageType() == Message.MESG_TYPE_AUDIO_SOURCE_STATUS) {
 151                     logger.trace("Polling for Audio Source statuses on thing: {}", thingID);
 152                     AudioSourceStatus audioSourceStatus = (AudioSourceStatus) message;
 153                     position = audioSourceStatus.getPosition();
 154                     switch (position) {
 155                         case 1:
 156                             updateState(CHANNEL_AUDIO_SOURCE_TEXT1, new StringType(audioSourceStatus.getSourceData()));
 157                             break;
 158                         case 2:
 159                             updateState(CHANNEL_AUDIO_SOURCE_TEXT2, new StringType(audioSourceStatus.getSourceData()));
 160                             break;
 161                         case 3:
 162                             updateState(CHANNEL_AUDIO_SOURCE_TEXT3, new StringType(audioSourceStatus.getSourceData()));
 163                             break;
 164                         case 4:
 165                             updateState(CHANNEL_AUDIO_SOURCE_TEXT4, new StringType(audioSourceStatus.getSourceData()));
 166                             break;
 167                         case 5:
 168                             updateState(CHANNEL_AUDIO_SOURCE_TEXT5, new StringType(audioSourceStatus.getSourceData()));
 169                             break;
 170                         case 6:
 171                             updateState(CHANNEL_AUDIO_SOURCE_TEXT6, new StringType(audioSourceStatus.getSourceData()));
 172                             break;
 173                     }
 174                 }
 175             } else {
 176                 logger.debug("Received null bridge while polling Audio Source statuses!");
 177             }
 178         } catch (OmniInvalidResponseException | OmniUnknownMessageTypeException | BridgeOfflineException e) {
 179             logger.debug("Exception recieved while polling for Audio Source statuses: {}", e.getMessage());
 180         }
 181     }
 182 }