src/Main.java - master - itokar98/HomeWorkCoreFileTask3

src/Main.java
85 строк3 KB
Ilya Tokar
First commit
13 окт 2025, 03:58
13 окт 2025, 03:58fc9db6f
import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class Main {

    public static void main(String[] args) {
        String zipFilePath = "savegames/saves.zip";
        String unpackDir = "savegames";

        // Распаковываем архив
        openZip(zipFilePath, unpackDir);

        // Загружаем и выводим все сохранения
        List<GameProgress> allSaves = loadAllSaves(unpackDir);

        System.out.println("\n=== ВСЕ ЗАГРУЖЕННЫЕ СОХРАНЕНИЯ ===");
        for (int i = 0; i < allSaves.size(); i++) {
            System.out.println("Сохранение " + (i + 1) + ": " + allSaves.get(i));
        }
    }

    public static void openZip(String zipFilePath, String unpackDir) {
        File unpackFolder = new File(unpackDir);
        if (!unpackFolder.exists()) {
            unpackFolder.mkdirs();
        }

        try (FileInputStream fis = new FileInputStream(zipFilePath);
             ZipInputStream zis = new ZipInputStream(fis)) {

            ZipEntry entry;
            while ((entry = zis.getNextEntry()) != null) {
                String entryName = entry.getName();
                File outputFile = new File(unpackDir, entryName);

                try (FileOutputStream fos = new FileOutputStream(outputFile)) {
                    byte[] buffer = new byte[1024];
                    int length;
                    while ((length = zis.read(buffer)) > 0) {
                        fos.write(buffer, 0, length);
                    }
                }

                System.out.println("Распакован: " + entryName);
                zis.closeEntry();
            }

        } catch (IOException e) {
            System.out.println("Ошибка распаковки: " + e.getMessage());
        }
    }

    public static GameProgress openProgress(String saveFilePath) {
        try (FileInputStream fis = new FileInputStream(saveFilePath);
             ObjectInputStream ois = new ObjectInputStream(fis)) {

            return (GameProgress) ois.readObject();

        } catch (IOException | ClassNotFoundException e) {
            System.out.println("Ошибка загрузки " + saveFilePath + ": " + e.getMessage());
            return null;
        }
    }

    // Метод для загрузки всех сохранений из папки
    public static List<GameProgress> loadAllSaves(String saveDir) {
        List<GameProgress> saves = new ArrayList<>();
        File dir = new File(saveDir);
        File[] saveFiles = dir.listFiles((d, name) -> name.endsWith(".dat"));

        if (saveFiles != null) {
            for (File saveFile : saveFiles) {
                GameProgress progress = openProgress(saveFile.getPath());
                if (progress != null) {
                    saves.add(progress);
                }
            }
        }

        return saves;
    }
}