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.heos.internal.handler;
15 import java.io.IOException;
17 import org.eclipse.jdt.annotation.NonNullByDefault;
18 import org.eclipse.jdt.annotation.Nullable;
19 import org.openhab.binding.heos.internal.exception.HeosNotFoundException;
20 import org.openhab.binding.heos.internal.json.payload.Media;
21 import org.openhab.binding.heos.internal.resources.HeosEventListener;
22 import org.openhab.binding.heos.internal.resources.Telnet.ReadException;
23 import org.openhab.core.thing.ThingUID;
24 import org.openhab.core.types.Command;
25 import org.openhab.core.types.RefreshType;
28 * The {@link HeosChannelHandlerNowPlaying} handles the refresh commands
29 * coming from the implementing thing
31 * @author Johannes Einig - Initial contribution
34 public class HeosChannelHandlerNowPlaying extends BaseHeosChannelHandler {
35 private final HeosEventListener eventListener;
37 public HeosChannelHandlerNowPlaying(HeosEventListener eventListener, HeosBridgeHandler bridge) {
39 this.eventListener = eventListener;
43 public void handlePlayerCommand(Command command, String id, ThingUID uid) throws IOException, ReadException {
44 handleCommand(command, id);
48 public void handleGroupCommand(Command command, @Nullable String id, ThingUID uid,
49 HeosGroupHandler heosGroupHandler) throws IOException, ReadException {
51 throw new HeosNotFoundException();
54 handleCommand(command, id);
58 public void handleBridgeCommand(Command command, ThingUID uid) {
59 // No such channel on bridge
62 private void handleCommand(Command command, String id) throws IOException, ReadException {
63 if (command instanceof RefreshType) {
64 // TODO consider caching this somehow, this method is triggered from a lot of channels for the same player
66 Media payload = getApi().getNowPlayingMedia(id).payload;
67 if (payload != null) {
68 eventListener.playerMediaChangeEvent(id, payload);