Login

//Login Servlet

package com.synchronoss.dbsync.controller;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class LoginServlet
 */
public class LoginServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	/*protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		 String username=request.getParameter("user");
		String password=request.getParameter("pass");
		PrintWriter out = response.getWriter();
		out.println("loginservlet");
		out.println(username+password);
		RequestDispatcher rd=request.getRequestDispatcher("personmanager");
        rd.forward(request,response);
         out.close();


	}*/

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("text/html");
			// TODO Auto-generated method stub
		String username=request.getParameter("user");
		String password=request.getParameter("pass");
		PrintWriter out = response.getWriter();
		out.println("loginservlet");
		out.println(username+password);
		RequestDispatcher rd=request.getRequestDispatcher("personmanager");
        rd.forward(request,response);

		 /* if(username=="user" && password=="pass"){
		        RequestDispatcher rd=request.getRequestDispatcher("/controller/PersonManagerServlet.java");
		        rd.forward(request,response);
		    }
		    else{
		        out.print("Sorry username or password error");
		        RequestDispatcher rd=request.getRequestDispatcher("login.jsp");
		        //rd.forward(request,response);
		    }  */
		  out.close();
	}

}

//Web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
  <display-name>dbsync-webapp</display-name>
  <servlet>
    <servlet-name>PersonManager</servlet-name>
    <servlet-class>com.synchronoss.dbsync.controller.PersonManagerServlet</servlet-class>
  </servlet>
  <servlet>
    <servlet-name>SaverServlet</servlet-name>
    <servlet-class>com.synchronoss.dbsync.controller.SaverServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>PersonManager</servlet-name>
    <url-pattern>/personmanager</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>SaverServlet</servlet-name>
    <url-pattern>/saver</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>login.jsp</welcome-file>
  </welcome-file-list>
  <servlet>
    <description></description>
    <display-name>LoginServlet</display-name>
    <servlet-name>LoginServlet</servlet-name>
    <servlet-class>com.synchronoss.dbsync.controller.LoginServlet</servlet-class>
  </servlet>
  <servlet-mapping>

    <servlet-name>LoginServlet</servlet-name>

    <url-pattern>/LoginServlet</url-pattern>

  </servlet-mapping>
</web-app>