SOURCE CODE

EmbeddedSQLConnection

package database;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.sql.*;

import javax.swing.JButton;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import objects.SQLCUSTOMER;

public class EmbeddedSQLConnection

private Connection con;

public EmbeddedSQLConnection()

public void getConnection()

try

if(con==null)

Class.forName("com.ibm.db2.jcc.DB2Driver").newInstance();

con=DriverManager.getConnection("jdbc:db2://localhost:50001/SAMPLE","db2inst1","password");

}
 System.out.println(con);

catch (SQLException e)

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

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

e.printStackTrace();

catch (Exception e)

e.printStackTrace();

public void closeConnection()

try

con.close();

con = null;

catch (SQLException e)

// TODO Auto-generated catch block

e.printStackTrace();

public boolean getCustomerInformation(SQLCUSTOMER u, String name)

{
 PreparedStatement s = null;

try

String query = "SELECT customerID, name, address, city, postal_code, phone_number,

s = con.prepareStatement(query);

s.setString(1, name);

ResultSet rs=s.executeQuery();

while(rs.next())

u.changeCustomerID(rs.getInt(1));

u.changeName(rs.getString(2));

u.changeAddress(rs.getString(3));

u.changeCity(rs.getString(4));

u.changePostalCode(rs.getString(5));

u.changePnoneNumber(rs.getString(6));

u.changeEmail(rs.getString(7));

catch (SQLException e1)

// TODO Auto-generated catch block

e1.printStackTrace();

return true;

public boolean addCustomer(int customerID, String name, String address, String city, String
postal_code, String phone_number, String email)

{
 PreparedStatement s = null;

try

String query = "INSERT INTO SQLCUSTOMER (customerID, name, address, city,

System.out.println(name);

s = con.prepareStatement(query);

s.setInt(1, customerID);

s.setString(2, name);

s.setString(3, address);

s.setString(4, city);

s.setString(5, postal_code);

s.setString(6, phone_number);

s.setString(7, email);

s.execute();

catch (SQLException e1)

// TODO Auto-generated catch block

e1.printStackTrace();

return true;

public boolean removeCustomer(int customerID)

PreparedStatement s = null;

try

String query = "DELETE FROM SQLCUSTOMER WHERE customerID = ?";

s = con.prepareStatement(query);

s.setInt(1, customerID);

s.execute();

catch (SQLException e1)

// TODO Auto-generated catch block

e1.printStackTrace();

return true;

public boolean updateCustomer(int customerID, String name, String address, String city, String
postal_code, String phone_number, String email)

PreparedStatement s = null;

try

String query = "Update SQLCUSTOMER SET (name, address, city, postal_code,

s = con.prepareStatement(query);

s.setString(1, name);

s.setString(2, address);

s.setString(3, city);
 s.setString(4, postal_code);

s.setString(5, phone_number);

s.setString(6, email);

s.setInt(7, customerID);

s.execute();

catch (SQLException e1)

// TODO Auto-generated catch block

e1.printStackTrace();

return true;

}
MainFrame.jave

package gui;

import java.awt.BorderLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.*;

import database.EmbeddedSQLConnection;

import objects.SQLCUSTOMER;

public class MainFrame extends JFrame {

// Declare User

SQLCUSTOMER u = new SQLCUSTOMER();

EmbeddedSQLConnection x = new EmbeddedSQLConnection();

/***********************************************************************

* NORTH PANEL DECLARATIONS

**********************************************************************/

private JPanel northPanel = new JPanel();

JTextField name = new JTextField(20);

JButton search = new JButton("Search");

/***********************************************************************

* SOUTH PANEL DECLARATIONS

**********************************************************************/

private JPanel southPanel = new JPanel();

JButton customerInformation = new JButton("Customer Information");

/***********************************************************************

* CUSTOMER PANEL DECLARATIONS

**********************************************************************/

JPanel customerInformationPanel = new JPanel();

JTextField customerID = new JTextField(20);

JTextField address = new JTextField(20);

JTextField city = new JTextField(20);

JTextField postal_code = new JTextField(20);

JTextField phone_number = new JTextField(20);

JTextField email = new JTextField(20);

JButton add = new JButton("Add");

JButton delete = new JButton("Delete");

JButton update = new JButton("Update");

JPanel addCustomerPanel = new JPanel();

JButton addToDB = new JButton("Add");

public MainFrame()

super();

/***********************************************************************

* NORTH PANEL

**********************************************************************/

// Add contents to northPanel

northPanel.add(new JLabel("Name:"));

northPanel.add(name);

northPanel.add(search);

search.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

Search();

});

add(northPanel, BorderLayout.NORTH);
 /***********************************************************************

* SOUTH PANEL

**********************************************************************/

// Add contents to southPanel

southPanel.setLayout(new GridLayout(1, 1));

southPanel.add(customerInformation);

customerInformation.setEnabled(false);

southPanel.add(add);

customerInformation.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

CustomerInformation();

});

add.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

Add();

});

add(southPanel, BorderLayout.SOUTH);

public void Search()

JPanel searchPanel = new JPanel();

searchPanel.setLayout(new GridLayout(0, 1));

//5.1 Incorporating SELECT with the Application

x.getConnection();
 x.getCustomerInformation(u, name.getText());

x.closeConnection();

System.out.println("text = " + name.getText() + " name = " );

if (name.getText().equals (u.getName()))

customerID.setText("");

eName.setText("");

address.setText("");

city.setText("");

postal_code.setText("");

phone_number.setText("");

email.setText("");

customerInformation.setEnabled(true);

CustomerInformation();

else

InvalidNameMessage();

public void CustomerInformation()

customerInformationPanel.removeAll();

customerInformationPanel.setBorder(BorderFactory

.createTitledBorder("Customer Information"));

customerInformationPanel.setLayout(new GridLayout(11, 2));

customerInformationPanel.add(new JLabel(new String("Customer ID: " )));

customerInformationPanel.add(customerID);
customerID.setEnabled(true);

customerInformationPanel.add(new JLabel(new String("Name: " )));

customerInformationPanel.add(eName);

customerInformationPanel.add(new JLabel(new String("Address: " )));

customerInformationPanel.add(address);

customerInformationPanel.add(new JLabel(new String("City: " )));

customerInformationPanel.add(city);

customerInformationPanel.add(new JLabel(new String("Postal Code: " )));

customerInformationPanel.add(postal_code);

customerInformationPanel.add(new JLabel(new String("Telephone Number: " )));

customerInformationPanel.add(phone_number);

customerInformationPanel.add(new JLabel(new String("Email: " )));

customerInformationPanel.add(email);

customerID.setText(String.valueOf(u.getCustomerID()));

eName.setText(u.getName());

address.setText(u.getAddress());

city.setText(u.getCity());

postal_code.setText(u.getPostalCode());

phone_number.setText(u.getPhoneNumber());

email.setText(u.getEmail());

customerInformationPanel.add(delete);

customerInformationPanel.add(update);

delete.setEnabled(true);

update.setEnabled(true);

delete.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

Delete();

});

update.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

Update();

});

JOptionPane.showMessageDialog(null, customerInformationPanel);

public void Add()

customerID.setText("");

eName.setText("");

address.setText("");

city.setText("");

postal_code.setText("");

phone_number.setText("");

email.setText("");

addCustomerPanel.removeAll();

addCustomerPanel.setBorder(BorderFactory

.createTitledBorder("Customer Information"));

addCustomerPanel.setLayout(new GridLayout(12, 2));

// db2

addCustomerPanel.add(new JLabel(new String("Customer ID: ")));

addCustomerPanel.add(new JLabel(new String("Name: " )));

addCustomerPanel.add(eName);

addCustomerPanel.add(new JLabel(new String("Address: " )));

addCustomerPanel.add(address);

addCustomerPanel.add(new JLabel(new String("City: " )));

addCustomerPanel.add(city);

addCustomerPanel.add(new JLabel(new String("Postal Code: " )));

addCustomerPanel.add(postal_code);

addCustomerPanel.add(new JLabel(new String("Telephone Number: " )));

addCustomerPanel.add(phone_number);

addCustomerPanel.add(new JLabel(new String("Email: " )));

addCustomerPanel.add(email);

addCustomerPanel.add(addToDB);

addToDB.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e)

AddToDB();

});

JOptionPane.showMessageDialog(null, addCustomerPanel);

public void AddToDB()

String stringText;

int intText = 0;

stringText = new String(customerID.getText());

intText = Integer.parseInt(stringText);

} catch (NumberFormatException e)

if (intText != 0)

//6.1 Incorporating INSERT with the Application

x.getConnection();

x.addCustomer(intText, eName.getText(), address.getText(), city.getText(),

x.closeConnection();

JOptionPane.showMessageDialog(null, eName.getText() + " has been added to the

public void Delete()

//db2

x.getConnection();

x.removeCustomer(u.getCustomerID());

x.closeConnection();

u.removeCustomer();

JOptionPane.showMessageDialog(null, "Customer has been deleted from the Database");

delete.setEnabled(false);

update.setEnabled(false);

}
 public void Update()

//db2

x.getConnection();

x.updateCustomer(u.getCustomerID(), eName.getText(), address.getText(), city.getText(),

x.closeConnection();

u.removeCustomer();

JOptionPane.showMessageDialog(null, "Customer has been updated in the Database");

delete.setEnabled(false);

update.setEnabled(false);

/**

* Task: Notify User of incorrect name compared to the SQLCUSTOMER Table.

*/

public void InvalidNameMessage()

JOptionPane.showMessageDialog(null, "This Customer does not exist in the Database");

}
Main.java

package gui;

import javax.swing.JFrame;

public class Main {

public static void main(String[] args)

MainFrame mainPage = new MainFrame();

mainPage.setTitle("Embedded SQL in an Application");

mainPage.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

mainPage.setSize(500, 100);

mainPage.setVisible(true);

}
SQLCUSTOMER.java

package objects;

public class SQLCUSTOMER {

private int customer_ID = 0;

private String name = null;

private String address = null;

private String city = null;

private String postal_code = null;

private String phone_number = null;

private String email = null;

public SQLCUSTOMER()

public void changeCustomerID(int customerID)

this.customer_ID = customerID;

public void changeName(String name)

this.name = name;

public void changeAddress(String address)

this.address = address;

public void changeCity(String city)

this.city = city;

}
 public void changePostalCode(String postalCode)

this.postal_code = postalCode;

public void changePnoneNumber(String phoneNumber)

this.phone_number = phoneNumber;

public void changeEmail(String email)

this.email = email;

public int getCustomerID()

return customer_ID;

public String getName()

return name;

public String getAddress()

return address;

public String getCity()

return city;

}
 public String getPostalCode()

return postal_code;

public String getPhoneNumber()

return phone_number;

public String getEmail()

return email;

public Boolean removeCustomer()

customer_ID = 0;

name = null;

address = null;

city = null;

postal_code = null;

phone_number = null;

email = null;

return true;

}
 USER MANUAL

Add Customer
Search Customer
Update Customer
Search after Update
Delete after Customer
Search after Delete