VPR-Projekt/src/Data.java

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;

/**
 * Data is a class to edit files.
 * @author Madeleine Vigier
 * @version 1.1
 */
public class Data {
    private String pathRead;

    public Data(String pathRead) {
        this.pathRead = pathRead;
    }

    /**
     * load() is a methode to split a file into lines, save lines in a arraylist
     * @return Arraylist userlist
     * @author Madeleine Vigier
     * @version 1.1
     */
    public ArrayList<User> readData() {
        Path path = Paths.get(pathRead);

        try {
            List<String> rows = Files.readAllLines(path);
//muss noch angepasst werden
            if (pathRead.equals("menue.txt")) {
                ArrayList<String> menueList = new ArrayList<>();

                for (String row : rows) {
                    String[] parts = row.split(":");

                    String day = parts[0];
                    String date = parts[1];
                    String meat = parts[2];
                    String vegi = parts[3];
                    String vegan = parts[4];
                    String desert1 = parts[5];
                    String desert2 = parts[6];
                    menueList.add(day + "," + date + "," + meat + "," + vegi + "," + vegan + "," + desert1 + "," + desert2);
                }
                return null;//menueList;
//ist angepasst
            } else if (pathRead.equals("users.txt")){
                ArrayList<User> userList = new ArrayList<>();

                for (String row : rows) {
                    String[] parts = row.split(":");

                    String nameParent1 = parts[0];
                    String nameParent2 = parts[1];
                    String billAddress = parts[2];
                    String phonenumber = parts[3];
                    String nameChildren = parts[4];
                    String password = parts[5];
                    userList.add(new User(nameParent1,nameParent2,billAddress,phonenumber,nameChildren,password));
                }
                return userList;
//muss noch angepasst werden
            } else if (pathRead.equals("orders.txt")) {
                ArrayList<String> orderList = new ArrayList<>();

                for (String row : rows) {
                    String[] parts = row.split(":");

                    String date = parts[0];
                    String meat = parts[1];
                    String meatCount = parts[2];
                    String vegi = parts[3];
                    String vegiCount = parts[4];
                    String vegan = parts[5];
                    String veganCount = parts[6];
                    String desert1 = parts[7];
                    String desert1Count = parts[8];
                    String desert2 = parts[9];
                    String desert2Count = parts[10];
                }
                return null;//orderList

            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }


    /**
     * The method writeData writes the data of a List into a txt file.
     * @param pathWrite determines the filename of the file that will be written
     * @param listToWrite determines which ArrayList is to be used for writing the file
     */
    public void writeData(String pathWrite, ArrayList<String> listToWrite){
        if (pathWrite.equals("users.txt")) {

        } else if (pathWrite.equals("orders.txt")) {

        }
    }

}