Добавлены метода сохранения и загрузки хранилищ в MapsCollection

MapWithSetLocomotivesGeneric.java

@@ -1,5 +1,8 @@
 import java.awt.*;
 import java.awt.image.BufferedImage;
+import java.lang.reflect.Array;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.LinkedList;
 
 public class MapWithSetLocomotivesGeneric
@@ -189,6 +192,7 @@ public class MapWithSetLocomotivesGeneric
     /// Загрузка списка из массива строк
     public void LoadData(String[] records)
     {
+        Collections.reverse(Arrays.asList(records));
         for (var rec : records)
         {
             _setLocomotives.Insert((T)DrawningObjectLocomotive.Create(rec));

MapsCollection.java

@@ -1,9 +1,10 @@
+import java.io.*;
 import java.util.ArrayList;
 import java.util.HashMap;
 
 public class MapsCollection {
     /// Словарь (хранилище) с картами
-    final HashMap<String, MapWithSetLocomotivesGeneric<DrawningObjectLocomotive, AbstractMap>> _mapStorages;
+    final HashMap<String, MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap>> _mapStorages;
 
     /// Возвращение списка названий карт
     public ArrayList<String> keys() {
@@ -13,10 +14,13 @@ public class MapsCollection {
     private final int _pictureWidth;
     /// Высота окна отрисовки
     private final int _pictureHeight;
+    // Сепараторы
+    private final char separatorDict = '|';
+    private final char separatorData = ';';
     /// Конструктор
     public MapsCollection(int pictureWidth, int pictureHeight)
     {
-        _mapStorages = new HashMap<String, MapWithSetLocomotivesGeneric<DrawningObjectLocomotive, AbstractMap>>();
+        _mapStorages = new HashMap<String, MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap>>();
         _pictureWidth = pictureWidth;
         _pictureHeight = pictureHeight;
     }
@@ -24,7 +28,7 @@ public class MapsCollection {
     public void AddMap(String name, AbstractMap map)
     {
         // Логика для добавления
-        if (!_mapStorages.containsKey(name)) _mapStorages.put(name, new MapWithSetLocomotivesGeneric<DrawningObjectLocomotive, AbstractMap>(_pictureWidth, _pictureHeight, map));
+        if (!_mapStorages.containsKey(name)) _mapStorages.put(name, new MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap>(_pictureWidth, _pictureHeight, map));
     }
     /// Удаление карты
     public void DelMap(String name)
@@ -33,15 +37,79 @@ public class MapsCollection {
         if (_mapStorages.containsKey(name)) _mapStorages.remove(name);
     }
     /// Доступ к парковке
-    public MapWithSetLocomotivesGeneric<DrawningObjectLocomotive, AbstractMap> Get(String ind)
+    public MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap> Get(String ind)
     {
             // Логика получения объекта
             if (_mapStorages.containsKey(ind)) return _mapStorages.get(ind);
             return null;
     }
     // Доп.индексатор из задания
-    public DrawningObjectLocomotive Get (String name, int position) {
+    public IDrawningObject Get (String name, int position) {
         if (_mapStorages.containsKey(name)) return _mapStorages.get(name)._setLocomotives.Get(position);
         else return null;
     }
+
+    /// Сохранение информации по локомотивам в хранилище в файл
+    public boolean SaveData(String filename)
+    {
+        File file = new File(filename);
+        if (file.exists())
+        {
+            file.delete();
+        }
+        try(BufferedWriter bw = new BufferedWriter(new FileWriter(filename))) {
+            bw.write("MapsCollection\n");
+            for (var storage : _mapStorages.entrySet()) {
+                bw.write("" + storage.getKey() + separatorDict + storage.getValue().GetData(separatorDict, separatorData) + "\n");
+            }
+        }
+        catch (IOException ex) {
+            System.out.println(ex.getMessage());
+        }
+        return true;
+    }
+
+    /// Загрузка информации по локомотивам в депо из файла
+    public boolean LoadData(String filename)
+    {
+        File file = new File(filename);
+        if (!file.exists())
+        {
+            return false;
+        }
+        try {
+            BufferedReader br = new BufferedReader(new FileReader(filename));
+            String curLine = br.readLine();
+            if (!curLine.contains("MapsCollection")) {
+                return  false;
+            }
+
+            _mapStorages.clear();
+            while ((curLine = br.readLine()) != null) {
+                var elems = curLine.split(Character.toString(separatorDict));
+                AbstractMap map = null;
+
+                switch (elems[1])
+                {   //TODO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+                    case "SimpleMap":
+                        map = new SimpleMap();
+                        break;
+                    case "SpikeMap":
+                        map = new SpikeMap();
+                        break;
+                    case "RailMap":
+                        map = new RailMap();
+                        break;
+                }
+
+                _mapStorages.put(elems[0], new MapWithSetLocomotivesGeneric<IDrawningObject, AbstractMap>(_pictureWidth, _pictureHeight, map));
+                _mapStorages.get(elems[0]).LoadData(elems[2].split(Character.toString(separatorData)));
+            }
+        } catch (IOException ex) {
+            System.out.println(ex.getMessage());
+        }
+        return true;
+    }
+
+
 }