Have build a price comparison website that displays products and their prices from several different websites. I have attached files giving every single detail, The FILE includes what languages to...

Price Comparison Website/Back-end/scraper/pom.xml
Price Comparison Website/Back-end/scraper/src/main/java/AppConfig.java
Price Comparison Website/Back-end/scraper/src/main/java/AppConfig.java
import java.util.ArrayList;
import java.util.List;
import org.hibernate.SessionFactory;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.registry.StandardServiceRegistry;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class AppConfig {
    SessionFactory sessionFactory;

    //Create a bean instance of the ScraperManager class to run each one
    @Bean
    public ScraperManager scraperManager(){
        ScraperManager scraperManager = new ScraperManager();

        //Create list of web scrapers and add to scraper manager
        List scraperList = new ArrayList();
        scraperList.add(cargiant());
        scraperList.add(carhub());
        scraperList.add(classicCars());
        scraperList.add(hrowen());
        scraperList.add(lamborghini());
        scraperList.add(rybrook());
        scraperManager.setScraperList(scraperList);
        return scraperManager;
    }

    //Create a bean instance of the Cargiant class
    @Bean
    public Cargiant cargiant(){
        Cargiant cargiant = new Cargiant();
        cargiant.setCarDao(carDao());
        cargiant.setCrawlDelay(1);
      return cargiant;
    }

    //Create a bean instance of the Carhub class
    @Bean
    public Carhub carhub(){
        Carhub carhub = new Carhub();
        carhub.setCarDao(carDao());
        carhub.setCrawlDelay(1);
        return carhub;
    }

    //Create a bean instance of the Classiccars class
    @Bean
    public Classiccars classicCars(){
        Classiccars classicCars = new Classiccars();
        classicCars.setCarDao(carDao());
        classicCars.setCrawlDelay(1);
        return classicCars;
    }

    //Create a bean instance of the Hrowen class
    @Bean
    public Hrowen hrowen(){
        Hrowen hrowen = new Hrowen();
        hrowen.setCarDao(carDao());
        hrowen.setCrawlDelay(1);
        return hrowen;
    }

    //Create a bean instance of the Lamborghini class
    @Bean
    public Lamborghini lamborghini(){
        Lamborghini lamborghini = new Lamborghini();
        lamborghini.setCarDao(carDao());
        lamborghini.setCrawlDelay(1);
        return lamborghini;
    }

    //Create a bean instance of the Lamborghini class
    @Bean
    public Rybrook rybrook(){
        Rybrook rybrook = new Rybrook();
        rybrook.setCarDao(carDao());
        rybrook.setCrawlDelay(1);
        return rybrook;
    }

    //Create a bean instance of the CarDao class
    @Bean
    public CarDao carDao(){
        CarDao carDao = new CarDao();
        carDao.setSessionFactory(sessionFactory());
        return carDao;
    }

    //Create a session factory bean
    @Bean
    public SessionFactory sessionFactory(){
        if(sessionFactory == null){//Build sessionFatory once only
            try {
                //Create a builder for the standard service registry
                StandardServiceRegistryBuilder standardServiceRegistryBuilder = new StandardServiceRegistryBuilder();
                //Load configuration from hibernate configuration file.
                //Here we are using a configuration file that specifies Java annotations.
                standardServiceRegistryBuilder.configure("resources/hibernate-annotations.cfg.xml"); 
                //Create the registry that will be used to build the session factory
                StandardServiceRegistry registry = standardServiceRegistryBuilder.build();
                try {
                    //Create the session factory - this is the goal of the init method.
                    sessionFactory = new MetadataSources( registry ).buildMetadata().buildSessionFactory();
                }
                catch (Exception e) {
                        /* The registry would be destroyed by the SessionFactory, 
                            but we had trouble building the SessionFactory, so destroy it manually */
                        System.err.println("Session Factory build failed.");
                        e.printStackTrace();
                        StandardServiceRegistryBuilder.destroy( registry );
                }
                //Ouput result
                System.out.println("Session factory built.");
            }
            catch (Throwable ex) {
                // Make sure you log the exception, as it might be swallowed
                System.err.println("SessionFactory creation failed." + ex);
                ex.printStackTrace();
            }
        }
        return sessionFactory;
    }
}
Price Comparison Website/Back-end/scraper/src/main/java/CarDao.java
Price Comparison Website/Back-end/scraper/src/main/java/CarDao.java
import org.hibernate.Session;
import org.hibernate.SessionFactory;
public class CarDao {
    SessionFactory sessionFactory;

    /** Adds a new car to the database */
    public void saveCar(CarXML car){

        //Get a new Session instance from the SessionFactory
        Session session = sessionFactory.getCurrentSession();
        //Start transaction
        session.beginTransaction();
        //Add Car to database - will not be stored until we commit the transaction
        session.save(car);
        //Commit transaction to save it to database
        session.getTransaction().commit();

        //Close the session and release database connection
        session.close();
        System.out.println("Car added to database with ID: " + car.getId());
    }

        /** Adds a new car to the database */
    public void addUrl(Url url){

        //Get a new Session instance from the SessionFactory
        Session session = sessionFactory.getCurrentSession();
        //Start transaction
        session.beginTransaction();
        //Add Car to database - will not be stored until we commit the transaction
        session.save(url);
        //Commit transaction to save it to database
        session.getTransaction().commit();

        //Close the session and release database connection
        session.close();
        System.out.println("Car added to database with ID: " + url.getId());
    }
    //Getter and Setter for the session factory
    public SessionFactory getSessionFactory() {
        return sessionFactory;
    }
    public void setSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }
}
Price Comparison Website/Back-end/scraper/src/main/java/CarDaoTest.java
Price Comparison Website/Back-end/scraper/src/main/java/CarDaoTest.java
import java.util.ArrayList;
public class CarDaoTest extends CarDao {
    ArrayList carArrayList = new ArrayList();
    ArrayList urlArrayList = new ArrayList();

    public void saveCar(CarXML cx){
        carArrayList.add(cx);
    } 

    public void addUrl(Url url){
        urlArrayList.add(url);
    }

}
Price Comparison Website/Back-end/scraper/src/main/java/Cargiant.java
Price Comparison Website/Back-end/scraper/src/main/java/Cargiant.java
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
public class Cargiant extends WebScraper {

    //Url for the website I will be scraping
    String webUrl;

    @Override
    public void run(){
        runThread = true;

        while(runThread){

            //Scrape data from pages 1-5
            for (int i = 1; i < 6; i++) {
 
                //webUrl add the incrementation of pages to the link
                webUrl = "https://www.cargiant.co.uk/search/all/all/page/" +  i;
                System.out.println("This is the foor looop; " + webUrl);
                System.out.println("Cargiant thread is scraping data.");
 
                //Document 1 to scrape data from
                Document document1 = null;
                  try {
                       document1 = Jsoup.connect(webUrl).timeout(6000).get();
                  } catch (IOException ex) {
                      Logger.getLogger(Cargiant.class.getName()).log(Level.SEVERE, null, ex);
                    }
 
                //Grab the div that wraps the data
                Elements ele = document1.select("section.results");
                for (Element row : ele.select(".vehicle")) {
                    //Grap elements you want to scrape from each row
                    String carUrl = row.select(".vehicle-cover").attr("href");
                    String imageUrl = row.select(".image").attr("style");
                    String description = row.select(".small-7").text();
                    String features = row.select(".car-features").text();
                    String price = row.select(".car-price").text();
                    //Split the URL and add it to the database table
                    try {
                        URL urlSplit = new URL("https://www.cargiant.co.uk".concat(carUrl));
 
                        //Create a Url class instance
                        Url url = new Url();
                        url.setDomain(urlSplit.getHost());
                        url.setPath(urlSplit.getPath());
                        url.setQuery_String("");
 
                        //Save Url in carDao
                        carDao.addUrl(url);
 
                        //Create an istance of the CarXML
                        CarXML car = new CarXML();

                        //Set values of Car class that we want to add
                        car.setImage_url(imageUrl);
                        car.setDescription(description);
                        car.setFeatures(features);
                        car.setPrice(price);
                        car.setUrl(url);

                        //Save car in carDao
                        carDao.saveCar(car);

                    } catch (MalformedURLException ex) {
                        Logger.getLogger(Cargiant.class.getName()).log(Level.SEVERE, null, ex);
                    }
                    //Print results to console
                    System.out.println("Car Url: " + carUrl + "\n" +
                            "Image_url: " + imageUrl + "\n" +
                            "Description: " + description + "\n" +
                            "Features: " + features + "\n" +
                            "Price: " + price + "\n" 
                    );
                } 
            }
            //Sleep for the crawl delay, which is in seconds
            try{
                sleep(1000 * crawlDelay);//Sleep is in milliseconds, so we need to multiply the crawl delay by 1000
            }
            catch(InterruptedException ex){
                System.err.println(ex.getMessage());
            }
            break;
        }
    }
}
Price Comparison Website/Back-end/scraper/src/main/java/Carhub.java
Price Comparison Website/Back-end/scraper/src/main/java/Carhub.java
import java.io.IOException;
import static java.lang.Thread.sleep;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
public class Carhub extends WebScraper {

    @Override
    public void run(){
        runThread = true;

        //While loop will keep running until runThread is set to false;
        while(runThread){
            System.out.println("Carhub thread is scraping data.");
 
            Document document2 = null;
            try {
                   document2 = Jsoup.connect("https://www.carhublondon.co.uk/used-cars").timeout(6000).get();
            } catch (IOException ex) {
                  Logger.getLogger(Carhub.class.getName()).log(Level.SEVERE, null, ex);
                } 
 
            //Grab the div that wraps the data
            Elements ele = document2.select("section.car-search-results");
            for (Element row : ele.select(".end")) {
 
                //Grap elements you want to scrape from each row
                String carUrl = row.select(".car-search-excerpt a").attr("href");
                String imageUrl = row.select(".car-picture-title-wrap").attr("style");
                String description = row.select(".title-row").text();
                String price = row.select(".price-row").text();
 
                //Split the URL and add it to the database table
                try {
                    URL urlSplit = new URL("https://www.carhublondon.co.uk".concat(carUrl));
 
                    //Create a Url class instance
                    Url url = new Url();
                    url.setDomain(urlSplit.getHost());
                    url.setPath(urlSplit.getPath());
                    url.setQuery_String("Null");
 
                    //Save Url in carDao
                    carDao.addUrl(url);
 
                    //Create an istance of the CarXML
                    CarXML car = new CarXML();
                    //Set values of Car class that we want to add
                    car.setImage_url(imageUrl);
                    car.setDescription(description);
                    car.setFeatures("");
                    car.setPrice(price);
                    car.setUrl(url);
                    //Save car in carDao
                    carDao.saveCar(car);
                } catch (MalformedURLException ex) {
                    Logger.getLogger(Carhub.class.getName()).log(Level.SEVERE, null, ex);
                }
 
                //Print result to console
                System.out.println("Car Url: " + carUrl + "\n" +
                        "Image_url: " + imageUrl + "\n" +
                        "Description: " + description + "\n" + 
                        "Price: " + price + "\n"
                );
            }
 
            //Sleep for the crawl delay, which is in seconds
            try{
                sleep(1000 * crawlDelay);//Sleep is in milliseconds, so we need to multiply the crawl delay by 1000
            }
            catch(InterruptedException ex){
                System.err.println(ex.getMessage());
            }
        } 
    }
}
Price Comparison Website/Back-end/scraper/src/main/java/CarXML.java
Price Comparison...