tasks2/NotificationSystem3/src/main/java/pl/dmcs/DataLoader.java

package pl.dmcs;

import org.apache.commons.lang3.tuple.Pair;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class DataLoader {
    public static Pair<User, List<String>> loadData(String filePath) throws IOException {
        BufferedReader reader = new BufferedReader(new FileReader(filePath));
        String line = reader.readLine();
        String[] userData = line.split(",");

        User user = new User(userData[0], userData[1], userData[2]);
        List<String> recipients = new ArrayList<>();

        while ((line = reader.readLine()) != null) {
            recipients.add(line.trim());
        }

        reader.close();
        return Pair.of(user, recipients);
    }
}