Secure E-Voting is a sophisticated Java-based application that facilitates secure and efficient electronic voting. The system provides an intuitive graphical interface for voters to cast their ballots, ensuring a seamless voting experience while maintaining the integrity and confidentiality of the voting process.
package com.amrita.jivan.project;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
/**
* The Main_page class represents the main GUI window of the Online Voting System.
*/
public class Main_page extends JFrame {
public static int p1 = 0;
public static int p2 = 0;
public static int p3 = 0;
private static final String FILE_PATH = "E:\\Placements\\C\\E-Voting\\src\\com\\amrita\\jivan\\project\\Voterslist.txt";
private JTextField jTextField1;
private JTextField jTextField2;
private JRadioButton jRadioButton1;
private JRadioButton jRadioButton2;
private JRadioButton jRadioButton3;
public Main_page() {
initComponents();
}
private void initComponents() {
JButton jButton2 = new JButton();
JLabel jLabel1 = new JLabel();
JLabel jLabel2 = new JLabel();
jTextField1 = new JTextField();
JLabel jLabel3 = new JLabel();
jTextField2 = new JTextField();
jRadioButton1 = new JRadioButton();
jRadioButton2 = new JRadioButton();
jRadioButton3 = new JRadioButton();
JLabel jLabel4 = new JLabel();
JButton jButton1 = new JButton();
JButton jButtonClose = new JButton();
jButton2.setText("RESEND");
jButton2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
jLabel1.setFont(new Font("Tahoma", 1, 24));
jLabel1.setText("SECURE E-VOTING");
jLabel2.setText("ENTER NAME");
jLabel3.setText("ENTER PHONE");
jRadioButton1.setText("Aarav Patel");
jRadioButton1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jRadioButton1ActionPerformed(evt);
}
});
jRadioButton2.setText("Rohan Mehta");
jRadioButton2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jRadioButton2ActionPerformed(evt);
}
});
jRadioButton3.setText("Maya Reddy");
jRadioButton3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jRadioButton3ActionPerformed(evt);
}
});
jLabel4.setText("CAST YOUR VOTE HERE");
jButton1.setText("VOTE");
jButton1.setPreferredSize(new Dimension(150, 33));
jButton1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButtonClose.setText("CLOSE ELECTIONS");
jButtonClose.setPreferredSize(new Dimension(150, 33));
jButtonClose.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jButtonCloseActionPerformed(evt);
}
});
GroupLayout layout = new GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap(78, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
.addComponent(jLabel2, GroupLayout.PREFERRED_SIZE, 148, GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3, GroupLayout.PREFERRED_SIZE, 148, GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
.addComponent(jTextField1, GroupLayout.PREFERRED_SIZE, 156, GroupLayout.PREFERRED_SIZE)
.addComponent(jTextField2, GroupLayout.PREFERRED_SIZE, 156, GroupLayout.PREFERRED_SIZE)))
.addComponent(jLabel4)
.addGroup(layout.createSequentialGroup()
.addComponent(jRadioButton1)
.addGap(18, 18, 18)
.addComponent(jRadioButton2)
.addGap(18, 18, 18)
.addComponent(jRadioButton3))
.addGroup(layout.createSequentialGroup()
.addGap(108, 108, 108)
.addComponent(jButton1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(139, 139, 139)
.addComponent(jLabel1))
.addGroup(layout.createSequentialGroup()
.addGap(139, 139, 139)
.addComponent(jButtonClose)))
.addContainerGap(78, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel1, GroupLayout.PREFERRED_SIZE, 31, GroupLayout.PREFERRED_SIZE)
.addGap(31, 31, 31)
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2, GroupLayout.PREFERRED_SIZE, 32, GroupLayout.PREFERRED_SIZE)
.addComponent(jTextField1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
.addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.TRAILING)
.addComponent(jLabel3, GroupLayout.PREFERRED_SIZE, 28, GroupLayout.PREFERRED_SIZE)
.addComponent(jTextField2, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
.addGap(20, 20, 20)
.addComponent(jLabel4)
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(jRadioButton1)
.addComponent(jRadioButton2)
.addComponent(jRadioButton3))
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, 33, Short.MAX_VALUE)
.addComponent(jButton1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButtonClose)
.addContainerGap(40, Short.MAX_VALUE))
);
// Set layout alignment
layout.setHorizontalGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.CENTER)
.addComponent(jLabel1)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel2)
.addGap(18)
.addComponent(jTextField1))
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel3)
.addGap(18)
.addComponent(jTextField2))
.addComponent(jLabel4)
.addGroup(layout.createSequentialGroup()
.addComponent(jRadioButton1)
.addGap(18)
.addComponent(jRadioButton2)
.addGap(18)
.addComponent(jRadioButton3))
.addComponent(jButton1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addComponent(jButtonClose))
.addContainerGap()
);
layout.setVerticalGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel1, GroupLayout.PREFERRED_SIZE, 31, GroupLayout.PREFERRED_SIZE)
.addGap(31, 31, 31)
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2, GroupLayout.PREFERRED_SIZE, 32, GroupLayout.PREFERRED_SIZE)
.addComponent(jTextField1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
.addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.TRAILING)
.addComponent(jLabel3, GroupLayout.PREFERRED_SIZE, 28, GroupLayout.PREFERRED_SIZE)
.addComponent(jTextField2, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
.addGap(20, 20, 20)
.addComponent(jLabel4)
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(jRadioButton1)
.addComponent(jRadioButton2)
.addComponent(jRadioButton3))
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED, 33, Short.MAX_VALUE)
.addComponent(jButton1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButtonClose)
.addContainerGap(40, Short.MAX_VALUE)
);
pack();
}
/**
* ActionListener for the Vote button.
*/
private void jButton1ActionPerformed(ActionEvent evt) {
String name = jTextField1.getText();
String phone = jTextField2.getText();
// Check if name contains any numbers
if (name.matches(".*\\d.*")) {
JOptionPane.showMessageDialog(rootPane, "Name should not contain any numbers.");
return;
}
// Check if name and phone fields are empty
if (name.isEmpty() || phone.isEmpty()) {
JOptionPane.showMessageDialog(rootPane, "Name and Phone fields should not be empty.");
return;
}
// Check if phone number is exactly 10 digits
if (phone.length() != 10) {
JOptionPane.showMessageDialog(rootPane, "Phone number should be exactly 10 digits.");
return;
}
// Check if phone number contains only digits
if (!phone.matches("\\d+")) {
JOptionPane.showMessageDialog(rootPane, "Phone number should contain only digits.");
return;
}
// Read the file and check for a match
boolean matchFound = false;
try (BufferedReader reader = new BufferedReader(new FileReader(FILE_PATH))) {
String line;
while ((line = reader.readLine()) != null) {
String[] data = line.split(",");
String storedName = data[0];
String storedPhone = data[1];
if (name.equals(storedName) && phone.equals(storedPhone)) {
matchFound = true;
break;
}
}
} catch (IOException e) {
e.printStackTrace();
}
if (!matchFound) {
JOptionPane.showMessageDialog(rootPane, "Invalid username or phone number. Please check again.");
return;
}
// Validations passed, process the vote
if (jRadioButton1.isSelected()) {
p1++;
} else if (jRadioButton2.isSelected()) {
p2++;
} else if (jRadioButton3.isSelected()) {
p3++;
} else {
JOptionPane.showMessageDialog(rootPane, "Select a Party");
return;
}
// Write to the Excel file
writeToExcelFile(name, phone, getSelectedParty());
// Reset fields
jTextField1.setText("");
jTextField2.setText("");
jRadioButton1.setSelected(false);
jRadioButton2.setSelected(false);
jRadioButton3.setSelected(false);
}
private void jButtonCloseActionPerformed(ActionEvent evt) {
// Close the GUI window
dispose();
// Stop the election by terminating the application
System.exit(0);
}
private void jButton2ActionPerformed(ActionEvent evt) {
// TODO add your handling code here:
}
private void jRadioButton1ActionPerformed(ActionEvent evt) {
if (jRadioButton1.isSelected()) {
jRadioButton2.setSelected(false);
jRadioButton3.setSelected(false);
}
}
private void jRadioButton2ActionPerformed(ActionEvent evt) {
if (jRadioButton2.isSelected()) {
jRadioButton1.setSelected(false);
jRadioButton3.setSelected(false);
}
}
private void jRadioButton3ActionPerformed(ActionEvent evt) {
if (jRadioButton3.isSelected()) {
jRadioButton2.setSelected(false);
jRadioButton1.setSelected(false);
}
}
/**
* Method to write the voter's information to an Excel file.
*/
private void writeToExcelFile(String name, String phone, String vote) {
String filePath = "E:\\Placements\\C\\E-Voting\\src\\com\\amrita\\jivan\\project\\Voters.csv";
try (PrintWriter writer = new PrintWriter(new FileWriter(filePath))) {
String line = "Name,Phone,Voted for";
writer.println(line);
line = name + "," + phone + "," + vote;
writer.println(line);
System.out.println("Vote casted");
} catch (IOException e) {
System.out.println("An error occurred while writing the vote to the Excel file.");
e.printStackTrace();
}
}
/**
* Method to get the selected party from the radio buttons.
*/
private String getSelectedParty() {
if (jRadioButton1.isSelected()) {
return "Aarav Patel";
} else if (jRadioButton2.isSelected()) {
return "Rohan Mehta";
} else if (jRadioButton3.isSelected()) {
return "Maya Reddy";
} else {
return "";
}
}
/**
* Main method to start the application.
*/
public static void main(String args[]) {
EventQueue.invokeLater(new Runnable() {
public void run() {
Main_page mainPage = new Main_page();
centerWindow(mainPage);
mainPage.setVisible(true);
}
});
}
private static void centerWindow(Window window) {
Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
int x = (int) ((dimension.getWidth() - window.getWidth()) / 2);
int y = (int) ((dimension.getHeight() - window.getHeight()) / 2);
window.setLocation(x, y);
}
}
