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   1 /**
   2  * Copyright (c) 2010-2023 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.heos.internal.handler;
  14
  15 import static org.openhab.binding.heos.internal.HeosBindingConstants.CH_ID_PLAYLISTS;
  16 import static org.openhab.binding.heos.internal.resources.HeosConstants.PLAYLISTS_SID;
  17
  18 import java.io.IOException;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.heos.internal.exception.HeosNotFoundException;
  23 import org.openhab.binding.heos.internal.resources.Telnet.ReadException;
  24 import org.openhab.core.thing.ChannelUID;
  25 import org.openhab.core.thing.ThingUID;
  26 import org.openhab.core.types.Command;
  27 import org.openhab.core.types.RefreshType;
  28
  29 /**
  30  * The {@link HeosChannelHandlerPlaylist} handles the playlist selection channel command
  31  * from the implementing thing.
  32  *
  33  * @author Johannes Einig - Initial contribution
  34  */
  35 @NonNullByDefault
  36 public class HeosChannelHandlerPlaylist extends BaseHeosChannelHandler {
  37     private final HeosDynamicStateDescriptionProvider heosDynamicStateDescriptionProvider;
  38
  39     public HeosChannelHandlerPlaylist(HeosDynamicStateDescriptionProvider heosDynamicStateDescriptionProvider,
  40             HeosBridgeHandler bridge) {
  41         super(bridge);
  42         this.heosDynamicStateDescriptionProvider = heosDynamicStateDescriptionProvider;
  43     }
  44
  45     @Override
  46     public void handlePlayerCommand(Command command, String id, ThingUID uid) throws IOException, ReadException {
  47         handleCommand(command, id, uid);
  48     }
  49
  50     @Override
  51     public void handleGroupCommand(Command command, @Nullable String id, ThingUID uid,
  52             HeosGroupHandler heosGroupHandler) throws IOException, ReadException {
  53         if (id == null) {
  54             throw new HeosNotFoundException();
  55         }
  56
  57         handleCommand(command, id, uid);
  58     }
  59
  60     @Override
  61     public void handleBridgeCommand(Command command, ThingUID uid) {
  62         // not used on bridge
  63     }
  64
  65     private void handleCommand(Command command, String id, ThingUID uid) throws IOException, ReadException {
  66         ChannelUID channelUID = new ChannelUID(uid, CH_ID_PLAYLISTS);
  67         if (command instanceof RefreshType) {
  68             heosDynamicStateDescriptionProvider.setPlaylists(channelUID, getApi().getPlaylists());
  69             return;
  70         }
  71
  72         String idCommand = heosDynamicStateDescriptionProvider.getValueByLabel(channelUID, command.toString());
  73         getApi().addContainerToQueuePlayNow(id, PLAYLISTS_SID, idCommand);
  74     }
  75 }