Java tutorial
/* * 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 com.certus.actions; import com.certus.dbmodel.EmailSettings; import java.io.IOException; 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.hibernate.Session; /** * * @author shanaka */ @WebServlet(name = "saveImageSettingsAction", urlPatterns = { "/saveImageSettingsAction" }) public class saveImageSettingsAction extends HttpServlet { @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Session s = com.certus.connection.HibernateUtil.getSessionFactory().openSession(); String emailAdd = request.getParameter("emailAdd"); String hostN = request.getParameter("hostN"); String portN = request.getParameter("portN"); String psswrdN = request.getParameter("psswrdN"); if (!emailAdd.isEmpty() && !hostN.isEmpty() && !portN.isEmpty() && !psswrdN.isEmpty()) { EmailSettings es = (EmailSettings) s.load(EmailSettings.class, 1); s.beginTransaction(); es.setHost(hostN); es.setPassword(psswrdN); es.setUser(emailAdd); es.setPort(Integer.parseInt(portN)); s.update(es); s.getTransaction().commit(); s.close(); response.getWriter().write("You have successfully saved the changes."); } } }