identify.SendMessage.java Source code

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Here is the source code for identify.SendMessage.java

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/*
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package identify;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;

/**
 *
 * @author Asus X550ZE
 */
@WebServlet(name = "SendMessage", urlPatterns = { "/SendMessage" })
public class SendMessage extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException, ParseException {
        String sender = request.getParameter("sender");
        String receiver = request.getParameter("receiver");
        String message = request.getParameter("body");
        int index = SaveToken.storage.findUsername(receiver);
        System.out.println(index);
        String tokenTo = SaveToken.storage.getData().get(index).getToken();
        JSONObject obj = new JSONObject();
        obj.put("sender", sender);
        obj.put("receiver", receiver);
        obj.put("body", message);
        JSONObject arrayObj = new JSONObject();
        arrayObj.put("to", tokenTo);
        arrayObj.put("data", obj);
        System.out.println(arrayObj.toString());
        String USER_AGENT = "Mozilla/5.0";
        String authKey = "key=AIzaSyBPldzkpB5YtLm3N8cYbdoweqtn5Dk3IfQ";
        String contentType = "application/json";
        String url = "https://fcm.googleapis.com/fcm/send";
        URL connection = new URL(url);
        HttpURLConnection con = (HttpURLConnection) connection.openConnection();

        //add reuqest header
        con.setRequestMethod("POST");
        con.setRequestProperty("User-Agent", USER_AGENT);
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
        con.setRequestProperty("Content-Type", contentType);
        con.setRequestProperty("Authorization", authKey);

        String urlParameters = arrayObj.toString();
        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        int responseCode = con.getResponseCode();

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuilder resp = new StringBuilder();
        while ((inputLine = in.readLine()) != null) {
            resp.append(inputLine);
        }
        in.close();
        String acrHeaders = request.getHeader("Access-Control-Request-Headers");
        String acrMethod = request.getHeader("Access-Control-Request-Method");
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Headers", acrHeaders);
        response.setHeader("Access-Control-Allow-Methods", acrMethod);
        response.setContentType("application/json:charset=UTF-8");
        response.getWriter().write(resp.toString());
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (ParseException ex) {
            Logger.getLogger(SendMessage.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (ParseException ex) {
            Logger.getLogger(SendMessage.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

}