import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Collection;

public class DownloadService {
    HttpClient client = HttpClient.newBuilder().build();


    public Path downloadFile(String sourceUrl) throws URISyntaxException, IOException, InterruptedException {
        HttpRequest httpRequest = HttpRequest
                .newBuilder()
                .uri(new URI(sourceUrl))
                .GET()
                .build();
        String fileName = sourceUrl.substring(sourceUrl.lastIndexOf('/') + 1);

        HttpResponse<InputStream> response = client
                .send(httpRequest, responseInfo ->
                        HttpResponse.BodySubscribers.ofInputStream());

        if (response.statusCode() != 200) {
            throw new RuntimeException("Ошибка при скачивании");
        }

        Path targetPath = new File("src/main/resources/" + File.separator + fileName).toPath();
        Files.copy(response.body(), targetPath);

        return targetPath;
    }
}




import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.file.Path;
import java.util.Locale;

public class Main {


    public static void main(String[] args) throws MalformedURLException {
        if (args.length != 1) {
            throw new RuntimeException("Не указан путь до файла");
        }
        DownloadService service = new DownloadService();
        String url = args[0];

        Path downloadedFile;

        try {
            downloadedFile = service.downloadFile(url);
        } catch (Exception e) {
            throw new RuntimeException("Ошибка при скачивании файла", e);
        }

        System.out.println(downloadedFile);
    }
}