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