createUserPass

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package ScheduleManager.pkg;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;

public class createUserPass extends javax.swing.JFrame {

    File file;

    /**
     * Creates new form createUserPass
     */
    public createUserPass()  {
        String path = "\\src\\Schedulemanager\\pkg\\info.txt";
        file = new File(path); //creates new File
        /* if (file.exists()) { //make a new file if it's not already existent
                    logIn loginPage = new logIn();
                    loginPage.setVisible(true);
                    loginPage.setAlwaysOnTop(true);
                    this.dispose();
                    this.setVisible(false);
                } else {
                    file.createNewFile(); //creates the new file

                } */
        initComponents();
    }

    /**
     * This method is called from within the constructor to initialize the form. WARNING: Do NOT modify this code. The content of this method is always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        userNameField = new javax.swing.JTextField();
        passwordField = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        securityAnswer = new javax.swing.JTextField();
        submitButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setText("Please set your username, password and security question.");

        jLabel2.setText("username:");

        jLabel3.setText("password:");

        jLabel4.setText("security question: what was your favourite class in college?");

        submitButton.setText("submit");
        submitButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                submitButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(30, 30, 30)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel3)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(passwordField))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel2)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(userNameField))))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGap(0, 27, Short.MAX_VALUE)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 391, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(securityAnswer, javax.swing.GroupLayout.PREFERRED_SIZE, 378, javax.swing.GroupLayout.PREFERRED_SIZE))))
                .addContainerGap())
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGap(0, 0, Short.MAX_VALUE)
                .addComponent(submitButton)
                .addGap(159, 159, 159))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(userNameField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(24, 24, 24)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(passwordField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jLabel4)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(securityAnswer, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(submitButton)
                .addContainerGap())
        );

        pack();
    }// </editor-fold>

    private void submitButtonActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        String username = userNameField.getText();
        String password = passwordField.getText();
        String answer = securityAnswer.getText();
        if (!userNameField.getText().equals("") && !passwordField.getText().equals("")
                && !securityAnswer.getText().equals("")) {
            try {
                String encryptedUsername = encrypt(username);
                String encryptedPassword = encrypt(password);
                String encryptedAnswer = encrypt(answer);
                String content = encryptedUsername + "\n" + encryptedPassword + "\n" + encryptedAnswer;

                file.createNewFile(); //creates the new file

                FileWriter fw = new FileWriter(file.getAbsoluteFile());
                BufferedWriter bw = new BufferedWriter(fw);
                bw.write(content);
                bw.close();

                logIn loginPage = new logIn();
                loginPage.setVisible(true);
                loginPage.setAlwaysOnTop(true);
                this.dispose();
            } catch (Exception e) {
                System.out.println(e);
            }
        } else {
            JOptionPane.showMessageDialog(null,
                    "All fields must be filled.",
                    "ERROR",
                    JOptionPane.WARNING_MESSAGE);
        }
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(createUserPass.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(createUserPass.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(createUserPass.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(createUserPass.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                //try {
                    new createUserPass().setVisible(true);
                /*}  catch (IOException ex) {
                    Logger.getLogger(createUserPass.class.getName()).log(Level.SEVERE, null, ex);
                } */
            }
        });

    }

    public static String encrypt(String x) { //caesar cipher shifts letters by 3 places
        char[] message = x.toCharArray();
        for (int i = 0; i < message.length; i++) {
            char character = message[i];
            character = (char) (character + 3);
            if (character > 'z') {
                character = (char) (character - 26);
            } else if (character < 'a') {
                character = (char) (character + 26);
            }
            message[i] = character;
        }
        String output = new String(message);
        System.out.println("from " + x + " to " + output);
        return output;
    }

    // Variables declaration - do not modify
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JTextField passwordField;
    private javax.swing.JTextField securityAnswer;
    private javax.swing.JButton submitButton;
    private javax.swing.JTextField userNameField;
    // End of variables declaration
}