DataReader.java and Code.java

//DataReader.java
import java.lang.reflect.Field;
import java.util.ArrayList;

import Client;

public class DataReader {
    //objectCode = new Code("9x00", true, new Player("Horst", (byte) 1));
    //objectCode = new Code("9x00", true, new PacketAuth("Horst", (byte) 0));

    @SuppressWarnings("unchecked")
    public static String readData(Code objectCode) {
        System.out.println(objectCode.getCode());
        try {
            if (objectCode.returnData()) {
                if (objectCode.getData() instanceof Player) {
                    Class<? extends Object> object = objectCode.objectData.getClass();
                    Field name = object.getField("name");
                    Field index = object.getField("index");
                    System.out.println("Player Name: " + name.get(objectCode.objectData));
                    System.out.println("Player Index: " + index.get(objectCode.objectData));
                    return name.get(objectCode.objectData) + ";" + index.get(objectCode.objectData);
                } else if (objectCode.getData() instanceof PacketAuth) { //TODO Auth
                    Class<? extends Object> object = objectCode.objectData.getClass();
                    Field name = object.getField("name");
                    Field index = object.getField("index");
                    System.out.println("Player Name: " + name.get(objectCode.objectData));
                    System.out.println("Player Index: " + index.get(objectCode.objectData));
                } else if (objectCode.getData() instanceof PacketDataServer) {
                    Class<? extends Object> object = objectCode.objectData.getClass();
                    Field players = object.getField("players");
                    Field maxPlayers = object.getField("maxPlayers");
                    Field currentPlayers = object.getField("currentPlayers");
                    Field board = object.getField("board");
                    System.out.println("Players: " + players.get(objectCode.objectData));
                    Client.setPlayersData((ArrayList<Player>) players.get(objectCode.objectData));
                    return maxPlayers.get(objectCode.objectData) + ";" + currentPlayers.get(objectCode.objectData) + ";" + board.get(objectCode.objectData);
                } else {
                    System.out.println(objectCode.getData());
                }
            }
        } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {
            System.out.println("Error: " + e);
        }
        return "DataReader: null";
    }
}



//Code.java
import java.io.Serializable;

public class Code implements Serializable {
    private static final long serialVersionUID = 5980798921456318555L;
    String code;
    boolean data = false;
    Object objectData;

    public Code(String code, boolean data, Object objectData) {
        this.code = code;
        this.data = data;
        this.objectData = objectData;
    }

    public String getCode() {
        return code;
    }

    public boolean returnData() {
        return data;
    }

    public Object getData() {
        return objectData;
    }
}