package app;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.text.ParseException;
import java.util.Scanner;
import java.util.Vector;

public class MyFileReader {
    private static Scanner sc;

    public static Vector<Person> readFromFile() throws ParseException, IOException {
        Vector<Person> data = new Vector<Person>();

        File file = new File("persons.txt");
        if (!file.exists()) {
            file.createNewFile();
        }
        file.canRead();

        try {
            sc = new Scanner(file);
        } catch (FileNotFoundException e) {
            System.out.println("Błąd otworzenia pliku.");
            return null;
        }
        while (sc.hasNext()) {
            String line = sc.nextLine();
            String[] words = line.split(" ");
            Person person = new Person();
            person.setFirstname(words[0]);
            person.setLastname(words[1]);
            person.setAge(words[2]);
            try {
                person.setDate(words[3]);
            } catch (ParseException e) {
                System.out.println("Błąd wczytania daty.");
                return null;
            }
            data.add(person);
        }
        return data;
    }
}