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1 /**
2  * Copyright (c) 2010-2020 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 java.io.IOException;
16
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.resources.HeosEventListener;
21 import org.openhab.binding.heos.internal.resources.Telnet.ReadException;
22 import org.openhab.core.thing.ThingUID;
23 import org.openhab.core.types.Command;
24 import org.openhab.core.types.RefreshType;
25
26 /**
27  * The {@link HeosChannelHandlerControl} handles the control commands
28  * coming from the implementing thing
29  *
30  * @author Johannes Einig - Initial contribution
31  */
32 @NonNullByDefault
33 public class HeosChannelHandlerControl extends BaseHeosChannelHandler {
34     private final HeosEventListener eventListener;
35
36     public HeosChannelHandlerControl(HeosEventListener eventListener, HeosBridgeHandler bridge) {
37         super(bridge);
38         this.eventListener = eventListener;
39     }
40
41     @Override
42     public void handlePlayerCommand(Command command, String id, ThingUID uid) throws IOException, ReadException {
43         handleCommand(command, id);
44     }
45
46     @Override
47     public void handleGroupCommand(Command command, @Nullable String id, ThingUID uid,
48             HeosGroupHandler heosGroupHandler) throws IOException, ReadException {
49         if (id == null) {
50             throw new HeosNotFoundException();
51         }
52         handleCommand(command, id);
53     }
54
55     @Override
56     public void handleBridgeCommand(Command command, ThingUID uid) {
57         // No such channel within bridge
58     }
59
60     private void handleCommand(Command command, String id) throws IOException, ReadException {
61         if (command instanceof RefreshType) {
62             eventListener.playerStateChangeEvent(getApi().getPlayState(id));
63             return;
64         }
65         switch (command.toString()) {
66             case "PLAY":
67             case "ON":
68                 getApi().play(id);
69                 break;
70             case "PAUSE":
71             case "OFF":
72                 getApi().pause(id);
73                 break;
74             case "NEXT":
75                 getApi().next(id);
76                 break;
77             case "PREVIOUS":
78                 getApi().previous(id);
79                 break;
80         }
81     }
82 }