package com.pos.test;

import java.io.IOException;

import java.io.PrintWriter;

import java.sql.Connection;

import java.sql.ResultSet;

import java.sql.SQLException;

import javax.naming.Context;

import javax.naming.InitialContext;

import javax.naming.NamingException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.sql.DataSource;

public class TEST extends HttpServlet

{

    /**

     * Constructor of the object.

     */

    public TEST()

    {

        super();

    }

    /**

     * Destruction of the servlet. <br>

     */

    public void destroy()

    {

        super.destroy(); // Just puts "destroy" string in log

        // Put your code here

    }

    /**

     * The doGet method of the servlet. <br>

     *

     * This method is called when a form has its tag value method equals to get.

     *

     * @param request the request send by the client to the server

     * @param response the response send by the server to the client

     * @throws ServletException if an error occurred

     * @throws IOException if an error occurred

     */

    public void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException

    {

        doPost(request,response);

    }

    /**

     * The doPost method of the servlet. <br>

     *

     * This method is called when a form has its tag value method equals to post.

     *

     * @param request the request send by the client to the server

     * @param response the response send by the server to the client

     * @throws ServletException if an error occurred

     * @throws IOException if an error occurred

     */

    public void doPost(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException

    {

        response.setContentType("text/html");

        PrintWriter out = response.getWriter();

        out

                .println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");

        out.println("<HTML>");

        out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");

        out.println(" <BODY>");

        out.print("    This is ");

        out.print(this.getClass());

        out.println(", using the POST method");

        try

        {

           Context ctx = new InitialContext();

           DataSource ds = (DataSource)ctx.lookup("java:comp/env/jdbc/mysql");

           Connection conn = ds.getConnection();

           ResultSet rs=conn.createStatement().executeQuery("select * from admininfo");

           while(rs.next()){

           out.print(rs.getString()); }

        } catch (NamingException e) {

            e.printStackTrace(out);

           System.out.println(e.getMessage());

        } catch (SQLException e) {

           e.printStackTrace(out);

        }

        out.println("connection pool connected !!haha");

        out.println(" </BODY>");

        out.println("</HTML>");

        out.flush();

        out.close();

    }

    /**

     * Initialization of the servlet. <br>

     *

     * @throws ServletException if an error occurs

     */

    public void init() throws ServletException

    {

        // Put your code here

    }

}