Android Open Source - Minecraft-Query-Android Query Response

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Back to project page Minecraft-Query-Android.

License

The source code is released under:

MIT License

Java Source Code

package com.metrafonic.nativeminecraftquery;
//from   w  w w  .  j av a  2 s .  co  m
import java.util.ArrayList;

public class QueryResponse
{
  static byte NULL = 00;
  static byte SPACE = 20;
  
  private boolean fullstat;
  
  //for simple stat
  private String motd, gameMode, mapName;
  private int onlinePlayers, maxPlayers;
  private short port;
  private String hostname;
  
  //for full stat only
  private String gameID;
  private String version;
  private String plugins;
  private ArrayList<String> playerList;
  
  public QueryResponse(byte[] data, boolean fullstat)
  {
    this.fullstat = fullstat;
    
    data = ByteUtils.trim(data);
    byte[][] temp = ByteUtils.split(data);
    
//    if(temp.length == 6) //short stat
    if(!fullstat)
    {
      motd      = new String(ByteUtils.subarray(temp[0], 1, temp[0].length-1));
      gameMode    = new String(temp[1]);
      mapName      = new String(temp[2]);
      onlinePlayers  = Integer.parseInt(new String(temp[3]));
      maxPlayers    = Integer.parseInt(new String(temp[4]));
      port      = ByteUtils.bytesToShort(temp[5]);
      hostname    = new String(ByteUtils.subarray(temp[5], 2, temp[5].length-1));
    }
    else //full stat
    {
      motd      = new String(temp[3]);
      gameMode    = new String(temp[5]);
      mapName      = new String(temp[13]);
      onlinePlayers  = Integer.parseInt(new String(temp[15]));
      maxPlayers    = Integer.parseInt(new String(temp[17]));
      port      = Short.parseShort(new String(temp[19]));
      hostname    = new String(temp[21]);
      
      //only available with full stat:
      gameID = new String(temp[7]);
      version = new String(temp[9]);
      plugins = new String(temp[11]);
      
      playerList = new ArrayList<String>();
      for(int i=25; i<temp.length; i++)
      {
        playerList.add(new String(temp[i]));
      }
    }
  }
  
  /**
   * Returns a JSON string representation of the data returned from the server, useful for JSP/servlet pages with javascript.
   * @return a JSON string
   */
  public String asJSON()
  {
    StringBuilder json = new StringBuilder();
    json.append("\'{");
      json.append("\"motd\":");              // "motd":
      json.append('"').append(motd).append("\",");    // "A Minecraft Server",
      
      json.append("\"gamemode\":");            // "gamemode":
      json.append('"').append(gameMode).append("\",");  // "SMP",
      
      json.append("\"map\":");              // "map":
      json.append('"').append(mapName).append("\",");    // "world1",
      
      json.append("\"onlinePlayers\":");          // "onlinePlayers":
      json.append(onlinePlayers).append(',');        // 0,
      
      json.append("\"maxPlayers\":");            // "maxPlayers":
      json.append(maxPlayers).append(',');        // 20,
      
      json.append("\"port\":");              // "port":
      json.append(port).append(',');            // 25565,
      
      json.append("\"host\":");              // "hostname":
      json.append('"').append(hostname).append('"');    // "0.0.0.0",
      
      if(fullstat)
      {
        json.append(',');
        json.append("\"gameID\":");            // "gameID":
        json.append('"').append(gameID).append("\",");  // "MINECRAFT",
        
        json.append("\"version\":");          // "version":
        json.append('"').append(version).append("\",");  // "1.2.5",
        
        json.append("\"players\":");
        json.append('[');
        for(String player : playerList)
        {
          json.append("\""+player+"\"");
          if(playerList.indexOf(player) != playerList.size()-1)
          {
            json.append(',');
          }
        }
        json.append(']');
      }
      
    json.append("}\'");
    
    return json.toString();
  }
  
  public String toString()
  {
    String delimiter = ", ";
    StringBuilder str = new StringBuilder();
    str.append(motd);
    str.append(delimiter);
    str.append(gameMode);
    str.append(delimiter);
    str.append(mapName);
    str.append(delimiter);
    str.append(onlinePlayers);
    str.append(delimiter);
    str.append(maxPlayers);
    str.append(delimiter);
    str.append(port);
    str.append(delimiter);
    str.append(hostname);
    
    if(fullstat)
    {
      str.append(delimiter);
      str.append(gameID);
      str.append(delimiter);
      str.append(version);
      
      //plugins for non-vanilla (eg. Bukkit) servers
      if(plugins.length() > 0)
      {
        str.append(delimiter);
        str.append(plugins);
      }
      
      // player list
      str.append(delimiter);
      str.append("Players: ");
      str.append('[');
      for(String player : playerList)
      {
        str.append(player);
        if(playerList.indexOf(player) != playerList.size()-1)
        {
          str.append(',');
        }
      }
      str.append(']');
    }
    
    return str.toString();
  }

  /**
   * @return the MOTD, as displayed in the client
   */
  public String getMOTD()
  {
    return motd;
  }
  
  public String getGameMode()
  {
    return gameMode;
  }

  public String getMapName()
  {
    return mapName;
  }

  public int getOnlinePlayers()
  {
    return onlinePlayers;
  }

  public int getMaxPlayers()
  {
    return maxPlayers;
  }

  /**
   * Returns an <code>ArrayList</code> of strings containing the connected players' usernames.
   * Note that this will return null for basic status requests.
   * @return An <code>ArrayList</code> of player names
   */
  public ArrayList<String> getPlayerList()
  {
    return playerList;
  }

    //FULL
    public String getGameID()
    {
        return gameID;
    }
    public String getVersion()
    {
        return version;
    }
    public String getPlugins()
    {
        return plugins;
    }

  //TODO getPlayers return hashmap/array/arraylist
}

Java Source Code List

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