import java.io.*;
import java.util.*;

public class Storage {
    private static final String FILE_NAME = "scans.dat";

    public static void saveScans(List<StoredScan> storedScans) throws IOException {
        try (ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(FILE_NAME))) {
            out.writeObject(storedScans);
        }
    }
    @SuppressWarnings("unchecked")
    public static List<StoredScan> loadScans() throws IOException, ClassNotFoundException {
        File file = new File(FILE_NAME);
        if (!file.exists()) return new ArrayList<>();
        try (ObjectInputStream in = new ObjectInputStream(new FileInputStream(FILE_NAME))) {
            return (List<StoredScan>) in.readObject();
        }
    }

    public static class StoredScan implements Serializable {
        private static final long serialVersionUID = 1L;
        public String type;
        public String accessString;
        public String customName;

        public StoredScan(String type, String accessString, String customName) {
            this.type = type;
            this.accessString = accessString;
            this.customName = customName;
        }
    }
}