Get Latitude and Longitude based on provided data using Java

We can get Latitude and Longitude based on MCC, MNC, LAC, Cell ID


import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.Reader;
import java.net.HttpURLConnection;
import java.net.URL;

/**
 * GetLocation provide mechanism to get location based on MCC, MNC, LAC, and Cell ID
 *
 * @author Ali Irawan
 * @version 1.0
 */
public class GetLocation {

    /**
     * Get location  based on MCC, MNC, LAC, and Cell ID
     *
     * @param mcc mobile country code
     * @param mnc mobile network code
     * @param lac location area code
     * @param cellId cell id
     * @param requestAddress true if want to get address
     * @return JSON String representation of position
     *      * @throws IOException
     */
    @SuppressWarnings("unused")
    public static String getLocation(String mcc, String mnc, String lac,
            String cellId, boolean requestAddress) throws IOException {

        final String data = "{\"cell_towers\": [{\"location_area_code\": \""
                + lac + "\", \"mobile_network_code\": \"" + mnc
                + "\", \"cell_id\": \"" + cellId
                + "\", \"mobile_country_code\": \"" + mcc
                + "\"}], \"version\": \"1.1.0\", \"request_address\": \""
                + requestAddress + "\"}";
        final String url = "https://www.google.com/loc/json";

        URL anUrl = new URL(url);
        HttpURLConnection conn = (HttpURLConnection) anUrl.openConnection();

        conn.setRequestMethod("GET");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setUseCaches(false);
        conn.setAllowUserInteraction(false);
        conn.setRequestProperty("Content-type", "application/jsonrequest");

        OutputStream out = conn.getOutputStream();
        out.write(data.getBytes());
        out.close();

        InputStream in = conn.getInputStream();

        StringBuilder builder = new StringBuilder();
        Reader reader = new InputStreamReader(in);
        char[] buf = new char[1024];
        int read = 0;
        while ((read = reader.read(buf)) >= 0) {
            builder.append(String.valueOf(buf, 0, read));
        }
        in.close();
        conn.disconnect();

        return builder.toString();
    }
}

Example of use:

String location = GetLocation.getLocation("510", "89", "9250", "851", true);
       
System.out.println(location);

Output:

{
   "location":
      {  
         "latitude":-6.2452443,
         "longitude":106.7908857,
         "address": {
                "country":"Indonesia",
                "country_code":"ID",
                "region":"Jakarta Capital Region",
                "city":"Jakarta Capital Region",
                "street":"Jalan Gandaria Tengah 4",
                "postal_code":"12240"
             },
         "accuracy":713.0
       },
   "access_token":"2:C5RroEdSGjSfnq9X:7oAhDHrp_5xzgTeU"
}