PIbd-22_Zhimolostnova_A.V._Battleship._Hard/src/MapsCollection.java

import java.util.ArrayList;
import java.util.HashMap;

public class MapsCollection {

    private final HashMap<String,MapWithSetWarshipsGeneric<DrawingObjectWarship,AbstractMap>> _mapStorages;
    private final int _pictureWidth;
    private final int _pictureHeight;

    public MapsCollection(int pictureWidth,int pictureHeight){
        _mapStorages=new HashMap<>();
        _pictureWidth=pictureWidth;
        _pictureHeight=pictureHeight;
    }

    public ArrayList<String> Keys(){
        return new ArrayList<>(_mapStorages.keySet());
    }

    public void AddMap(String name, AbstractMap map){
        if (_mapStorages.containsKey(name)){
            return;
        }
        else{
            _mapStorages.put(name,new MapWithSetWarshipsGeneric<>(_pictureWidth,_pictureHeight,map));
        }
    }

    public void DelMap(String name){
        _mapStorages.remove(name);
    }

    public MapWithSetWarshipsGeneric<DrawingObjectWarship,AbstractMap> get(String name){
        if (_mapStorages.containsKey(name)){
            return _mapStorages.get(name);
        }
        return null;
    }
}