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AddCustomer.java
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AddCustomer.java
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package Customer;
/*
* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
* Click nbfs://nbhost/SystemFileSystem/Templates/JSP_Servlet/Servlet.java to edit this template
*/
import jakarta.servlet.RequestDispatcher;
import java.io.IOException;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.DriverManager;
import java.sql.SQLException;
/**
*
* @author bryan
*/
public class AddCustomer extends HttpServlet {
private final String jdbcURL = "jdbc:mysql://localhost:3306/shop";
private final String jdbcUsername = "root";
private final String jdbcPassword = "";
private final String jdbcDriver = "com.mysql.jdbc.Driver";
private final String table = "customers";
Connection connection = null;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.getRequestDispatcher("WEB-INF/customer_form.jsp").forward(request,response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String name = request.getParameter("name");
String location = request.getParameter("location");
String preferences = request.getParameter("preferences");
String gender = request.getParameter("gender");
// JspWriter out=JspContext.getOut();
PrintWriter out = response.getWriter();
try{
// Load the database driver
Class.forName(jdbcDriver);
// Get a Connection to the database
connection = DriverManager.getConnection(jdbcURL, jdbcUsername, jdbcPassword);
//Select the data from the database
String sql = "INSERT INTO "+ table +"" +
" (name, location, preferences, gender) VALUES " +
" (?, ?, ?, ?);";
PreparedStatement preparedStatement = connection.prepareStatement(sql);
preparedStatement.setString(1, name);
preparedStatement.setString(2, location);
preparedStatement.setString(3, preferences);
preparedStatement.setString(4, gender);
int i = preparedStatement.executeUpdate();
if(i>0){
// out.println("<h1 style='color:green;'>customer added successfully</h1>");
// out.println("<h3><a href='home'>back</a></h3>");
// request.getRequestDispatcher("AllCustomers").forward(request,response);
RequestDispatcher dispatcher = getServletContext()
.getRequestDispatcher("/AllCustomers");
dispatcher.forward(request, response);
}
}catch(ClassNotFoundException | SQLException e){
System.out.println("Exception is ;"+e);
}
}
}