sd.code.stagent.services.AddNode.java Source code

Introduction

Here is the source code for sd.code.stagent.services.AddNode.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package sd.code.stagent.services;

import sd.code.stagent.common.Web;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
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.JSONObject;
import org.json.simple.parser.JSONParser;

/**
 *
 * @author motaz
 */
@WebServlet(name = "AddNode", urlPatterns = { "/AddNode" })
public class AddNode 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 {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            String requestText = Web.readClient(request);
            try {

                JSONParser parser = new JSONParser();
                JSONObject obj = (JSONObject) parser.parse(requestText);
                String fileName = obj.get("filename").toString();
                String nodeName = obj.get("nodename").toString();
                String content = obj.get("content").toString();

                String[] arr = content.split("\n");

                Web.backupConfigFile(fileName);

                // append
                FileWriter writer = new FileWriter("/etc/asterisk/" + fileName, true);

                writer.write("\n" + nodeName + "\n");
                for (String newLine : arr) {
                    writer.write(newLine + "\n");
                }
                writer.close();

                obj.put("success", true);
                obj.put("errorcode", 0);
                obj.put("result", "Ok");
                out.println(obj.toJSONString());
            } catch (Exception ex) {
                JSONObject result = new JSONObject();
                result.put("success", false);
                result.put("errorcode", 5);
                result.put("message", ex.toString());

                out.println(result.toJSONString());
            }
        }
    }

    // <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 {
        processRequest(request, response);
    }

    /**
     * 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 {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}