bukkit序列化存储坐标

import java.util.HashMap;
import java.util.Map;
 
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.configuration.serialization.ConfigurationSerializable;
 
public class Position implements ConfigurationSerializable{
 
    private String world;
    private double x, y, z;
 
    public Position(Location location){
        this(location.getWorld().getName(), location.getX(), location.getY(), location.getZ());
    }
 
    public Position(String world, double x, double y, double z){
        setWorld(world);
        setX(x);
        setY(y);
        setZ(z);
    }
 
    public String getWorld() {
        return world;
    }
 
    public void setWorld(String world) {
        this.world = world;
    }
 
    public double getX() {
        return x;
    }
 
    public void setX(double x) {
        this.x = x;
    }
 
    public double getY() {
        return y;
    }
 
    public void setY(double y) {
        this.y = y;
    }
 
    public double getZ() {
        return z;
    }
 
    public void setZ(double z) {
        this.z = z;
    }
 
    public Location getLocation(){
        return new Location(Bukkit.getWorld(getWorld()), getZ(), getY(), getZ());
    }
 
    @Override
    public Map<String, Object> serialize() {
        Map<String, Object> result = new HashMap<String, Object>();
 
        result.put("world", getWorld());
        result.put("x", getX());
        result.put("y", getY());
        result.put("z", getZ());
 
        return result;
    }
 
    public static Position deserialize(Map<String, Object> args){
        return new Position((String)args.get("world"), (Double)args.get("x"), (Double)args.get("y"), (Double)args.get("z"));
    }
}

static{
    ConfigurationSerialization.registerClass(Position.class);
}