Java Spring Boot my app did not display the image (the method exec(String) from the type Runtime is deprecated)

Question

I'm running my app on CLI using Spring Boot with REST API everything works well just I have one problem after running the app and finishing the process on CLI the image did not display moreover I have this message displayed on my code "The method exec(String) from the type Runtime is deprecated".

Full Code Below:

package com.example.demo.cli;

import java.awt.Desktop;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.sql.Timestamp;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Component;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.RestTemplate;

import com.example.demo.models.Agence;
import com.example.demo.models.CarteCredit;
import com.example.demo.models.Chambre;
import com.example.demo.models.Client;
import com.example.demo.models.HotelPartenaireTarif;
import com.example.demo.models.Lit;
import com.example.demo.models.Propose;
import com.example.demo.models.Reservation;

@Component
public class HotelRestClientCLI extends AbstractMain implements CommandLineRunner {

    @Autowired
    private RestTemplate proxy;
    public static StringToCalendar inputStringToCalendar;
    public static StringToDouble inputStringToDouble;
    public static StringToInt inputStringToInt;

    @Override
    public void run(String... args) throws Exception {
        BufferedReader inputReader;
        String userInput = "";
        try {
            inputReader = new BufferedReader(new InputStreamReader(System.in));
            setHotelSearchUrl(inputReader);
            setHotelBookUrl(inputReader);
            do {
                menu();
                userInput = inputReader.readLine();
                processUserInput(inputReader, userInput);
                Thread.sleep(1000);

            } while (!userInput.equals(QUIT));
        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    @Override
    protected boolean validHotelSearchUrl() {
        return HOTEL_SEARCH_URL.equals("http://localhost:8080/hotelsearch/api");
    }

    @Override
    protected boolean validHotelBookUrl() {
        return HOTEL_BOOK_URL.equals("http://localhost:8080/hotelbook/api");
    }

    @Override
    protected void menu() {
        StringBuilder builder = new StringBuilder();
        builder.append(QUIT + ". Quitter.");
        builder.append("\n1. Agence Login.");
        System.out.println(builder);
    }

    private void processUserInput(BufferedReader reader, String userInput) {
        try {
            switch (userInput) {
            default:
                System.err.println("Désolé, mauvaise saisie. Veuillez réessayer.");
                return;
            case QUIT:
                System.out.println("Au revoir ...");
                System.exit(0);
            case "1":
                Agence[] agenceLogin = this.login(reader);
                while (agenceLogin.length == 0) {
                    System.err.println("Identifiant ou mot de passe n'est pas correct, veuillez réessayer !\n");
                    agenceLogin = this.login(reader);
                }
                String agenceLoginId = agenceLogin[0].getIdentifiant();
                System.out.println(agenceLoginId + " login Avec succès!");

                System.out.println("Date arrivée (dd/MM/yyyy) aujourd'hui ou après aujourd'hui: ");
                inputStringToCalendar = new StringToCalendar(reader);
                String dateArrivee = inputStringToCalendar.process();
                Calendar dateArriveeCal = (Calendar) inputStringToCalendar.processToCalendar(dateArrivee);
                System.out.println();

                System.out.println("Date départ (dd/MM/yyyy) après date arrivée: ");
                inputStringToCalendar = new StringToCalendar(reader);
                String dateDepart = inputStringToCalendar.process();
                Calendar dateDepartCal = (Calendar) inputStringToCalendar.processToCalendar(dateDepart);
                while (!dateDepartCal.after(dateArriveeCal)) {
                    System.err.println("Date départ doit être après date arrivée! ");
                    System.out.println();
                    System.out.println("Date départ (dd/MM/yyyy):");
                    inputStringToCalendar = new StringToCalendar(reader);
                    dateDepart = inputStringToCalendar.process();
                    dateDepartCal = (Calendar) inputStringToCalendar.processToCalendar(dateDepart);
                }
                System.out.println();

                System.out.println("Nombre de personnes à héberger: ");
                inputStringToInt = new StringToInt(reader);
                int nombrePerson = (int) inputStringToInt.process();
                System.out.println();

                String uri = HOTEL_SEARCH_URL + "/agence/propose?" + "agenceLoginId=" + agenceLoginId + "&dateArrivee="
                        + dateArrivee + "&dateDepart=" + dateDepart + "&nombrePerson=" + nombrePerson;
                System.out.println(uri);
                Propose[] allCombinations = proxy.getForObject(uri, Propose[].class);
                if (allCombinations.length == 0) {
                    System.err.println("Désolé, pas d'hôtel correspond. Veuillez réessayer.");
                    break;
                } else {
                    System.out.println("Voici tous les propositions:");
                    int days = this.daysBetween(dateArriveeCal, dateDepartCal);
                    List<String> listChambreId = this.displayAllCombinations(allCombinations, dateArriveeCal,
                            dateDepartCal, agenceLogin, days);
                    String display = "";
                    do {
                        System.out.println("Display image de chambre? y/n ");
                        display = reader.readLine();
                        System.out.println();
                        this.processDisplayInput(reader, display, listChambreId);
                    } while (!display.equals("n"));

                    // IHotelServiceWeb2 reserver
                    System.out.println("Saisir l'identifiant de l'offre pour réserver: ");
                    String identifiantOffre = reader.readLine();
                    System.out.println();
                    Propose offreChoisi = this.checkPropose(allCombinations, identifiantOffre);
                    while (offreChoisi == null) {
                        System.err.println("Désolé, pas d'hôtel correspond. Veuillez réessayer.");
                        System.out.println("Saisir l'identifiant de l'offre pour réserver: ");
                        identifiantOffre = reader.readLine();
                        System.out.println();
                        offreChoisi = this.checkPropose(allCombinations, identifiantOffre);
                    }

                    System.out.println(identifiantOffre + " est choisi.");
                    // Agence login
                    Agence[] agenceLoginRes = this.loginRes(reader);
                    while (agenceLoginRes.length == 0
                            || !agenceLoginRes[0].getIdentifiant().equals(agenceLogin[0].getIdentifiant())
                            || !agenceLoginRes[0].getMdp().equals(agenceLogin[0].getMdp())) {
                        System.err.println("Identifiant ou mot de passe n'est pas correct, veuillez réessayer !\n");
                        agenceLoginRes = this.loginRes(reader);
                    }
                    String agenceId = agenceLoginRes[0].getIdentifiant();
                    System.out.println(agenceId + " login Avec succès!");
                    // Client
                    System.out.println("Nom du client principal: ");
                    String nom = reader.readLine();
                    System.out.println();

                    System.out.println("Prénom de client principal: ");
                    String prenom = reader.readLine();
                    System.out.println();

                    CarteCredit createdCarteCredit = createCarteCredit(reader);

                    uri = HOTEL_BOOK_URL + "/cartecredit";
                    CarteCredit returnedCarteCredit = proxy.postForObject(uri, createdCarteCredit, CarteCredit.class);

                    Client createdClient = new Client(nom, prenom, returnedCarteCredit);
                    uri = HOTEL_BOOK_URL + "/client";
                    Client returnedClient = proxy.postForObject(uri, createdClient, Client.class);

                    HotelPartenaireTarif hotelPartenaireTarif = offreChoisi.getHotelPartenaireTarif();
                    int hotelId = hotelPartenaireTarif.getHotel().getHotelId();
                    List<Chambre> chambreChoisi = offreChoisi.getListChambre();
                    double prixChoisi = agenceLogin[0].prixChoisi(offreChoisi) * days;

                    String reservationId = this.generateResId(agenceLoginRes[0], hotelPartenaireTarif, returnedClient);
                    reservationId = reservationId.replaceAll("\\s+", "");
                    Reservation createdRes = new Reservation(reservationId, chambreChoisi, dateArriveeCal,
                            dateDepartCal, returnedClient, prixChoisi);
                    try {
                        uri = HOTEL_BOOK_URL + "/reservation";
                        Reservation returnedRes = proxy.postForObject(uri, createdRes, Reservation.class);
                        uri = HOTEL_BOOK_URL + "/addreservationagence/" + agenceId;
                        proxy.put(uri, returnedRes);
                        uri = HOTEL_BOOK_URL + "/addreservationhotel/" + hotelId;
                        proxy.put(uri, returnedRes);
                        System.out.println("Réservé avec succès. Votre numéro de réservation est " + reservationId);
                    } catch (Exception e) {
                        System.err.println("Désolé, il y a un problème avec la réservation. Veuillez réessayer.");
                        break;
                    }
                }
                break;
            }
        } catch (IOException e) {
            e.printStackTrace();
        } catch (HttpClientErrorException e) { // format error in cli
            System.err.println(e.getMessage());
        }
    }

    public List<String> displayAllCombinations(Propose[] allCombinations, Calendar dateArrivee, Calendar dateDepart,
            Agence[] agenceLogin, int days) {
        List<String> listChambreId = new ArrayList<>();
        for (Propose propose : allCombinations) {
            System.out.println("Identifiant de l'offre:" + propose.getOffreId() + "\n" + "Nom de l'hôtel"
                    + propose.getHotelPartenaireTarif().getHotel().getNom() + "\n" + "Date de disponibilité: de "
                    + this.calendarToString(dateArrivee) + " à " + this.calendarToString(dateDepart));
            int nombreLits = 0;
            for (Chambre c : propose.getListChambre()) {
                listChambreId.add(c.getChambreId());
                String descLit = "";
                System.out.println("#Chambre Id:" + c.getChambreId());
                for (Lit lit : c.getLitCollection()) {
                    descLit = descLit + lit.toString() + "\n";
                    nombreLits++;
                }
                System.out.println(descLit);
            }
            System.out.println("Nombre de lits totaux proposés:" + nombreLits + "\n" + "Prix total à payer:"
                    + this.doubleToString(agenceLogin[0].prixChoisi(propose) * days)
                    + " (avec pourcentage de commission)" + " (Pour " + days + " nuits)" + "\n"
                    + "--------------------");
        }
        return listChambreId;
    }

    private String calendarToString(Calendar date) {
        SimpleDateFormat format1 = new SimpleDateFormat("dd/MM/yyyy");
        String dateString = format1.format(date.getTime());
        return dateString;
    }

    private String doubleToString(double prix) {
        DecimalFormat df = new DecimalFormat("0.00");
        return df.format(prix);
    }

    private int daysBetween(Calendar dateArrivee, Calendar dateDepart) {
        Date d1 = dateArrivee.getTime();
        Date d2 = dateDepart.getTime();
        return (int) ((d2.getTime() - d1.getTime()) / (1000 * 60 * 60 * 24));
    }

    private Agence[] login(BufferedReader reader) {
        String identifiant = null;
        String mdp = null;
        try {
            System.out.println("Veuillez login pour rechercher!");
            System.out.println("Saisir identifiant de l'agence:");

            identifiant = reader.readLine();
            System.out.println();

            System.out.println("Saisir mot de passe de l'agence:");
            mdp = reader.readLine();
            System.out.println();
        } catch (IOException e) {
            e.printStackTrace();
        }
        String uri = HOTEL_SEARCH_URL + "/agence/identifiantandmdp?identifiant=" + identifiant + "&mdp=" + mdp;
        Agence[] agenceLogin = proxy.getForObject(uri, Agence[].class);
        return agenceLogin;
    }

    private Agence[] loginRes(BufferedReader reader) {
        String identifiant = null;
        String mdp = null;
        try {
            System.out.println("Veuillez login pour réserver!");
            System.out.println(
                    "Saisir identifiant de l'agence (le même identifiant d'agence qui a récupéré les offres):");

            identifiant = reader.readLine();
            System.out.println();

            System.out.println("Saisir mot de passe de l'agence:");
            mdp = reader.readLine();
            System.out.println();

        } catch (IOException e) {
            e.printStackTrace();
        }
        String uri = HOTEL_BOOK_URL + "/agence/identifiantandmdp?identifiant=" + identifiant + "&mdp=" + mdp;
        Agence[] agenceLoginRes = proxy.getForObject(uri, Agence[].class);
        return agenceLoginRes;
    }

    private String generateResId(Agence agenceLoginRes, HotelPartenaireTarif hotelPartenaireTarif, Client client) {
        Timestamp timestamp = new Timestamp(System.currentTimeMillis());
        String reservationId = agenceLoginRes.getIdentifiant() + client.getNom() + timestamp.getTime();
        return reservationId;
    }

    private Propose checkPropose(Propose[] allCombinationsList, String identifiantOffre) {
        for (Propose propose : allCombinationsList) {
            if (propose.getOffreId().equals(identifiantOffre)) {
                return propose;
            }
        }
        return null;
    }

    public void displayImage(String imageName) throws Exception {
        String uri = HOTEL_SEARCH_URL + "/hotel/image?imageName=" + imageName;
        //      Image image = proxy.getForObject(uri, Image.class);
        //      JFrame imageFrame = new JFrame();
        //        imageFrame.setSize(1024, 683);
        //        JLabel imageLabel = new JLabel(new ImageIcon(image));
        //        imageFrame.add(imageLabel);
        //        imageFrame.setVisible(true);
        //        imageFrame.setAlwaysOnTop(true);
        //      proxy.getForObject(uri, null);

        //        if (Desktop.isDesktopSupported()) {
        //            // Windows
        //            Desktop.getDesktop().browse(new URI(uri));
        //        } else {
        //            // Ubuntu
        //            Runtime runtime = Runtime.getRuntime();
        //            runtime.exec("/usr/bin/firefox -new-window " + uri);
        //        }
        //      Runtime rt = Runtime.getRuntime();
        //      rt.exec("open " + uri);

        String myOS = System.getProperty("os.name").toLowerCase();
        System.out.println("(Votre système d'exploitation est: " + myOS + ")\n");
        try {
            if (Desktop.isDesktopSupported()) { // Probably Windows
                System.out.println(" -- Aller avec Desktop.browse ...");
                Desktop desktop = Desktop.getDesktop();
                desktop.browse(new URI(uri));
            } else { // Definitely Non-windows
                Runtime runtime = Runtime.getRuntime();
                if (myOS.contains("mac")) { // Apples
                    System.out.println(" -- Aller sur Apple avec 'ouverte'...");
                    runtime.exec("open " + uri);
                } else if (myOS.contains("nix") || myOS.contains("nux")) { // Linux flavours 
                    System.out.println(" -- Passer sous Linux avec 'xdg-open'...");
                   runtime.exec("xdg-open " + uri);
                } else
                    System.out.println("Je n'ai pas pu lancer de navigateur sur votre système d'exploitation.");
            }
        } catch (Exception e) {
            System.out.println("**Trucs à tort: " + e.getMessage());
        }
    }

    public void processDisplayInput(BufferedReader reader, String display, List<String> listChambreId) {
        try {
            switch (display) {
            default:
                System.err.println("Désolé, mauvaise saisie. Veuillez réessayer.");
                return;
            case "n":
                return;
            case "y":
                System.out.println("Chambre Id ?");
                String chambreId = reader.readLine();
                if (listChambreId.contains(chambreId)) {
                    this.displayImage(chambreId);
                } else {
                    System.err.println("Chambre Id n'est pas correct.");
                }
                return;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private CarteCredit createCarteCredit(BufferedReader reader) {
        // carte credit
        CarteCredit createdCarteCredit = null;
        while (!(createdCarteCredit instanceof CarteCredit)) {
            System.out.println("Numéro de carte crédit (16 chiffres) : ");
            String carteNumero = null;
            try {
                carteNumero = reader.readLine();
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
            System.out.println();

            System.out.println("Mois expiré (2 chiffres) : ");
            inputStringToInt = new StringToInt(reader);
            int expireMois = (int) inputStringToInt.process();
            System.out.println();

            System.out.println("Année expirée (4 chiffres) : ");
            inputStringToInt = new StringToInt(reader);
            int expireAnnee = (int) inputStringToInt.process();
            System.out.println();

            System.out.println("CVC code (3 chiffres) : ");
            String cvcCode = null;
            try {
                cvcCode = reader.readLine();
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
            System.out.println();
            createdCarteCredit = new CarteCredit(carteNumero, cvcCode, expireMois, expireAnnee);
        }
        return createdCarteCredit;
    }

//  private XMLGregorianCalendar calendarToXMLGregorianCalendar(Calendar cal) {
//      XMLGregorianCalendar gDateFormatted = null;
//      try {
//          gDateFormatted =
//                  DatatypeFactory.newInstance().newXMLGregorianCalendar(
//                      cal.get(Calendar.YEAR),
//                      cal.get(Calendar.MONTH) + 1,
//                      cal.get(Calendar.DAY_OF_MONTH),
//                      cal.get(Calendar.HOUR_OF_DAY),
//                      cal.get(Calendar.MINUTE),
//                      cal.get(Calendar.SECOND), DatatypeConstants.FIELD_UNDEFINED, DatatypeConstants.FIELD_UNDEFINED);
//      } catch (DatatypeConfigurationException e) {
//          e.printStackTrace();
//      }
//      return gDateFormatted;
//  }

}

I think the problem comes from this code below but I don't know how to fix any suggestions.

    public void displayImage(String imageName) throws Exception {
        String uri = HOTEL_SEARCH_URL + "/hotel/image?imageName=" + imageName;
        String myOS = System.getProperty("os.name").toLowerCase();
        System.out.println("(Votre système d'exploitation est: " + myOS + ")\n");
        try {
            if (Desktop.isDesktopSupported()) { // Probably Windows
                System.out.println(" -- Aller avec Desktop.browse ...");
                Desktop desktop = Desktop.getDesktop();
                desktop.browse(new URI(uri));
            } else { // Definitely Non-windows
                Runtime runtime = Runtime.getRuntime();
                if (myOS.contains("mac")) { // Apples
                    System.out.println(" -- Aller sur Apple avec 'ouverte'...");
                    runtime.exec("open " + uri);
                } else if (myOS.contains("nix") || myOS.contains("nux")) { // Linux flavours 
                    System.out.println(" -- Passer sous Linux avec 'xdg-open'...");
                    runtime.exec("xdg-open " + uri);
                } else
                    System.out.println("Je n'ai pas pu lancer de navigateur sur votre système d'exploitation.");
            }
        } catch (Exception e) {
            System.out.println("**Trucs à tort: " + e.getMessage());
        }
    }

The result that I get after finishing the process using CLI (See image below):

enter image description here

I expect a solution to this problem, thank you

are you using something like ProcessBuilder ? because that error, > "The method exec(String) from the type Runtime is deprecated" , indicates that. — muhammed ozbilici
– muhammed ozbilici, Commented Nov 26, 2022 at 23:02
No I use Runtime runtime = Runtime.getRuntime(); check my code above — Oliver Smth
– Oliver Smth, Commented Nov 26, 2022 at 23:25
ok, as it's mentioned, this method is deprecated, instead of that, you can ProcessBuilder -> stackoverflow.com/a/10723391/2165146 — muhammed ozbilici
– muhammed ozbilici, Commented Nov 26, 2022 at 23:30
I know but I'm new in java I don't now how applied this insted of current code any help pls — Oliver Smth
– Oliver Smth, Commented Nov 26, 2022 at 23:41
by the way, that screenshot you shared, it says "Je n'ai pas pu lancer de navigateur sur votre système d'exploitation." which means "I was unable to launch a browser on your operating system.", so it doesn't belong to any os, depends on your code but is it true ? first check that. — muhammed ozbilici
– muhammed ozbilici, Commented Nov 26, 2022 at 23:46

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