import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Scanner;

public class CheckRender {
    public static void main(String[] args) {
        try {
            URL url = new URL("http://localhost:8080/");
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            conn.connect();
            if (conn.getResponseCode() == 200) {
                InputStream is = conn.getInputStream();
                Scanner scanner = new Scanner(is, "UTF-8").useDelimiter("\\A");
                String html = scanner.hasNext() ? scanner.next() : "";
                
                int idx = html.indexOf("news-card__image");
                if (idx != -1) {
                    System.out.println(html.substring(idx, Math.min(idx + 300, html.length())));
                } else {
                    System.out.println("Could not find news-card__image in HTML");
                }
            } else {
                System.out.println("HTTP " + conn.getResponseCode());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}