servlet
package com.ilp.tsi.um.servlet;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.ilp.tsi.um.constant.BankConstant;
import com.ilp.tsi.um.dao.BankDao;
import com.ilp.tsi.um.bean.BankBean;
import com.ilp.tsi.um.service.BankService;
/**
* Servlet implementation class AdminServlet
*/
public class BankServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
Connection conn;
/**
* @see HttpServlet#HttpServlet()
*/
public BankServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
try
{
conn=BankDao.createconnection();
}
catch(Exception e)
{
e.printStackTrace();
}
BankService loginService = new BankService();
BankBean loginBean = new BankBean();
loginBean.setUsername(request.getParameter("username"));
loginBean.setPassword(request.getParameter("password"));
boolean check = false;
try
{
check = loginService.authenticate(loginBean,conn);
conn.close();
}
catch(SQLException e)
{
e.printStackTrace();
}
if(check){
RequestDispatcher rd=request.getRequestDispatcher("customerinfo.jsp");
rd.forward(request,response);
}
else{
request.setAttribute("Message",BankConstant.MESSAGE);
RequestDispatcher rd=request.getRequestDispatcher("failed.jsp");
rd.forward(request,response);
}//end else
}
}
//2.servlet
package com.ilp.tsi.um.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;
import java.sql.*;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.ilp.tsi.um.dao.BankDao;
public class CustDet extends HttpServlet
//perform operation to get retailer information
{
private static final long serialVersionUID = 1L;
Connection connection = null;
/**
* @see HttpServlet#HttpServlet()
*/
public CustDet() {
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
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
response.setContentType("text/html");
PrintWriter pw = response.getWriter();
//send response to browser
String acc_num=request.getParameter("acc");
String name=request.getParameter("name");
String addr=request.getParameter("address");
String ph=request.getParameter("phno");
int n;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
//driver definition
Connection con=BankDao.createconnection();
//establishing database connection
Statement stmt= con.createStatement();
n=stmt.executeUpdate("update customer set acc='"+acc_num+"',name='"+name+"',address='"+addr+"',phoneno='"+ph+"' where acc='"+acc_num+"'");
}
catch (ClassNotFoundException ce) {
ce.printStackTrace();
}//end catch
catch(SQLException e)
{
e.printStackTrace();
}//end catch
RequestDispatcher rd = request.getRequestDispatcher("update1.jsp");
rd.forward(request,response);
}
}
//3.servlet
package com.ilp.tsi.um.servlet;
import java.io.IOException;
import java.sql.*;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.ilp.tsi.um.dao.BankDao;
public class CustomerDetail extends HttpServlet {
//update retailer details
private static final long serialVersionUID = 1L;
Connection connection = null;
/**
* @see HttpServlet#HttpServlet()
*/
public CustomerDetail() {
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
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
* response)
*/
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
response.setContentType("text/html");
//send response to browser
String s=request.getParameter("acc");
try {
Connection con=BankDao.createconnection();
//establishing database connection
Statement stmt= con.createStatement();
ResultSet rs= stmt.executeQuery("select * from customer where acc='"+s+"'");
//iterating the resultset for data from database
while(rs.next())
{
request.setAttribute("acc",rs.getString(1));
request.setAttribute("name",rs.getString(2));
request.setAttribute("address",rs.getString(3));
request.setAttribute("phno",rs.getString(4));
RequestDispatcher rd = request.getRequestDispatcher("updateinfo.jsp");
rd.forward(request,response);
}
}
catch(SQLException e)
{
e.printStackTrace();
}//end catch
}
}
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