import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

/**
 * Project created by ExpDev
 */


public class PastebinJson {

    /**
     * Runs when the program starts
     */
    public static void main(String[] strings) {
        // The endpoint which we will get the data from
        String requestUrl = "https://pastebin.com/raw/JVPCnziR";

        // Our string builder which we will append our results to later
        StringBuilder sb = new StringBuilder();
        try {
            // Using the String and turning into an URL object
            URL url = new URL(requestUrl);
            // Opening a connection with our URL
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();

            // The connection should be able to handle outputs
            connection.setDoOutput(true);
            // Using a simple GET
            connection.setRequestMethod("GET");
            // We want JSON back
            connection.setRequestProperty("Accept", "application/json");
            connection.setRequestProperty("Content-Type", "application/json; charset=UTF-8");

            // reading our response
            BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
            // Closing the reader
            br.close();
            // Disconnecting the connection is also important
            connection.disconnect();
        } catch (Exception e) {
            throw new RuntimeException(e.getMessage());
        }
        String response = sb.toString();
        System.out.println(response);

        JSONObject jsonObject = new JSONObject(response);

        double currentVer = 2.0;
        String name = jsonObject.getString("name");
        double latestVer = jsonObject.getDouble("latestVersion");

        System.out.println("Newest version of " + name + " is: " + (latestVer));
        System.out.println("Have to update?: " + (latestVer > currentVer));
    }

}