Crawler - Tahanovce, Darg hrdinov

package core;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;

public class Crawler {

    private static void writeFile1(ArrayList<String> page, String fileName) throws IOException {
        File fout = new File("Tahanovce/"+fileName);
        FileOutputStream fos = new FileOutputStream(fout);

        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(fos));

        for (String s : page) {
            bw.write(s);
            bw.newLine();
        }

        bw.close();
    }

    private static void DownloadPages() throws IOException {
        String base = "http://www.tahanovce.net/documents/info/?id=";
        for (int i = 2418; i > 0 ; i--) {
            getHtml(base, i);
        }

    }

    public static void getHtml(String url, Integer index)throws IOException {
        ArrayList<String> page = new ArrayList<>();
        URL obj = new URL(url+index);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
        con.setRequestMethod("GET");

        int responseCode = con.getResponseCode();
        System.out.println("Sending 'GET' request to URL : " + obj);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;

        while ((inputLine = in.readLine()) != null) {
            page.add(inputLine);
        }
        in.close();
        StringBuffer name = new StringBuffer();
        name.append(index.toString());
        name.append(".html");
        writeFile1(page, name.toString());
    }

    public static void main(String[] args) throws IOException {
        DownloadPages();
    }

}