WEBUTILS

public class WebUtils {

public static String get(String url) throws IOException {

        HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();

        con.setRequestMethod("GET");
        con.setRequestProperty("User-Agent", "Mozilla/5.0");

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

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine)
                    .append("\n");
        }

        in.close();

        return response.toString();
    }

    public static String post(String url, Map<String, String> requestMap, String body) throws IOException {

        HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();

        con.setRequestMethod("POST");
        con.setRequestProperty("User-Agent", "Mozilla/5.0");

        if (requestMap != null)
            requestMap.forEach(con::setRequestProperty);

        con.setDoOutput(true);
        con.setDoInput(true);

        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(body);
        wr.flush();
        wr.close();

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

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine)
                    .append("\n");
        }
        in.close();

        return response.toString();
    }


}