git.basschouten.com Git - openhab-addons.git/blob

   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.minecraft.internal.server;
  14
  15 import java.util.ArrayList;
  16 import java.util.List;
  17
  18 import org.openhab.binding.minecraft.internal.message.OHMessage;
  19 import org.openhab.binding.minecraft.internal.message.data.PlayerData;
  20 import org.openhab.binding.minecraft.internal.message.data.ServerData;
  21 import org.openhab.binding.minecraft.internal.message.data.SignData;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 import com.firebase.tubesock.WebSocketEventHandler;
  26 import com.firebase.tubesock.WebSocketException;
  27 import com.firebase.tubesock.WebSocketMessage;
  28 import com.google.gson.Gson;
  29 import com.google.gson.GsonBuilder;
  30 import com.google.gson.reflect.TypeToken;
  31
  32 import rx.Observable;
  33 import rx.subjects.BehaviorSubject;
  34
  35 /**
  36  * Handles sending and receiving messages from Minecraft server.
  37  *
  38  * @author Mattias Markehed - Initial contribution
  39  */
  40 public class MinecraftSocketHandler implements WebSocketEventHandler {
  41
  42     private Logger logger = LoggerFactory.getLogger(MinecraftSocketHandler.class);
  43
  44     private BehaviorSubject<ServerData> serverRx = BehaviorSubject.create();
  45     private BehaviorSubject<List<SignData>> signsRx = BehaviorSubject.<List<SignData>> create();
  46     private BehaviorSubject<List<PlayerData>> playersRx = BehaviorSubject.<List<PlayerData>> create();
  47
  48     private Gson gson = new GsonBuilder().create();
  49
  50     @Override
  51     public void onClose() {
  52         logger.info("Connection to minecraft server closed");
  53     }
  54
  55     @Override
  56     public void onError(WebSocketException e) {
  57         logger.error("Server error {}", e.getMessage(), e);
  58     }
  59
  60     @Override
  61     public void onOpen() {
  62         logger.info("Connection to minecraft server opened");
  63     }
  64
  65     @Override
  66     public void onLogMessage(String s) {
  67         logger.info("Log message: {}", s);
  68     }
  69
  70     @Override
  71     public void onMessage(WebSocketMessage message) {
  72         String msg = message.getText();
  73
  74         if (msg != null) {
  75             OHMessage ohMessage = gson.fromJson(msg, OHMessage.class);
  76             int messageType = ohMessage.getMessageType();
  77             if (OHMessage.MESSAGE_TYPE_SERVERS == messageType) {
  78                 ServerData serverData = gson.fromJson(ohMessage.getMessage(), ServerData.class);
  79                 serverRx.onNext(serverData);
  80             } else if (OHMessage.MESSAGE_TYPE_PLAYERS == messageType) {
  81                 List<PlayerData> playerData = gson.fromJson(ohMessage.getMessage(),
  82                         new TypeToken<ArrayList<PlayerData>>() {
  83                         }.getType());
  84                 playersRx.onNext(playerData);
  85             } else if (OHMessage.MESSAGE_TYPE_SIGNS == messageType) {
  86                 List<SignData> signsData = gson.fromJson(ohMessage.getMessage(), new TypeToken<ArrayList<SignData>>() {
  87                 }.getType());
  88                 signsRx.onNext(signsData);
  89             }
  90         }
  91     }
  92
  93     /**
  94      * Get observable emitting server items.
  95      *
  96      * @return observable emitting server items.
  97      */
  98     public Observable<ServerData> getServerRx() {
  99         return serverRx.asObservable();
 100     }
 101
 102     /**
 103      * Get observable emitting sign items.
 104      *
 105      * @return observable emitting sign items.
 106      */
 107     public Observable<List<SignData>> getSignsRx() {
 108         return signsRx.asObservable();
 109     }
 110
 111     /**
 112      * Get observable emitting player items.
 113      *
 114      * @return observable emitting player items.
 115      */
 116     public Observable<List<PlayerData>> getPlayersRx() {
 117         return playersRx.asObservable();
 118     }
 119 }