REST Web Service/Client JSON send data over HTTP to Rest

/*

REST service and JSON

*/
package tedoweb1;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import javax.print.attribute.standard.Media;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

@Path("/")
public class RESTService {
    @POST
    @Path("/tedoRestService")
    @Consumes(MediaType.APPLICATION_JSON)
    public Response crunchifyREST(InputStream incomingData) {
        StringBuilder textBuilder= new StringBuilder();
        try {
            BufferedReader in = new BufferedReader(new InputStreamReader(incomingData));
            String line = null;
            while ((line = in.readLine()) != null) {
                textBuilder.append(line);
            }
        } catch (Exception e) {
            System.out.println("Error Parsing: - ");
        }
        System.out.println("Dane otrzymane: " + textBuilder.toString());

        // return HTTP response 200 in case of success
        return Response.status(200).entity(textBuilder.toString()).build();
    }

    @GET
    @Path("/sprawdz")
    @Produces(MediaType.TEXT_PLAIN)
    public Response verifyRESTService(InputStream incomingData) {
        String result = "Tedo Tech Rest usluga - uruchomiona";

        // return HTTP response 200 in case of success
        return Response.status(200).entity(result).build();
    }
}

/*

REST client and JSON
get values from file and send to the Rest web Service

*/
package tedoweb1;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;

import org.json.JSONObject;

public class RESTServiceClient {

    public static void main(String[] args) {
        String string = "";
        try {

            // Step1: Let's 1st read file from fileSystem
            // Change CrunchifyJSON.txt path here
            //nie dziala sieciowe mapowanie
            //InputStream crunchifyInputStream = new FileInputStream("\\192.168.1.2\\JSON\\data.txt");
            InputStream crunchifyInputStream = new FileInputStream("C://JSON//data.json");
            InputStreamReader crunchifyReader = new InputStreamReader(crunchifyInputStream);
            BufferedReader br = new BufferedReader(crunchifyReader);
            String line;
            while ((line = br.readLine()) != null) {
                string += line + "\n";
            }

            JSONObject jsonObject = new JSONObject(string);
            System.out.println(jsonObject);

            // Step2: Now pass JSON File Data to REST Service
            try {
                URL url = new URL("http://localhost:8100/tedoweb1/api/tedoRestService");
                URLConnection connection = url.openConnection();
                connection.setDoOutput(true);
                connection.setRequestProperty("Content-Type", "application/json");
                connection.setConnectTimeout(5000);
                connection.setReadTimeout(5000);
                OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());
                out.write(jsonObject.toString());
                out.close();

                BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));

                while (in.readLine() != null) {
                }
                System.out.println("\nService Invoked Successfully..");
                in.close();
            } catch (Exception e) {
                System.out.println("\nError while calling REST Service");
                System.out.println(e);
            }

            br.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

/*
     JSON file (data.json)

*/

{
    "data: {
        "id": "1",
        "topic": "data1",
        "description": "Andrzej Iwaniuk"
    }
}