Java tutorial
/* * 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 com.firmansyah.imam.sewa.kendaraan; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JOptionPane; import org.apache.commons.codec.digest.DigestUtils; /** * * @author Imam Firmansyah */ public class FormLogin extends javax.swing.JFrame { /** * Creates new form FormLogin */ public FormLogin() { 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">//GEN-BEGIN:initComponents private void initComponents() { labelUsername = new javax.swing.JLabel(); labelPassword = new javax.swing.JLabel(); inputUsername = new javax.swing.JTextField(); inputPassword = new javax.swing.JPasswordField(); btnLogin = new javax.swing.JButton(); btnRegister = new javax.swing.JButton(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setTitle("Form Login"); setMinimumSize(new java.awt.Dimension(340, 220)); setResizable(false); labelUsername.setText("Username"); labelPassword.setText("Password"); btnLogin.setText("Login"); btnLogin.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnLoginActionPerformed(evt); } }); btnRegister.setText("Register"); btnRegister.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { btnRegisterActionPerformed(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().addGap(60, 60, 60) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false) .addGroup(layout.createSequentialGroup() .addComponent(btnLogin, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent( btnRegister, javax.swing.GroupLayout.PREFERRED_SIZE, 96, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(layout.createSequentialGroup() .addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(labelUsername).addComponent(labelPassword)) .addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addPreferredGap( javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(inputPassword, javax.swing.GroupLayout.PREFERRED_SIZE, 154, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup().addGap(10, 10, 10) .addComponent(inputUsername, javax.swing.GroupLayout.PREFERRED_SIZE, 154, javax.swing.GroupLayout.PREFERRED_SIZE))))) .addContainerGap(68, Short.MAX_VALUE))); layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] { btnLogin, btnRegister }); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGap(48, 48, 48) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(labelUsername).addComponent(inputUsername)) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(labelPassword).addComponent(inputPassword, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(btnLogin).addComponent(btnRegister)))); setSize(new java.awt.Dimension(356, 227)); setLocationRelativeTo(null); }// </editor-fold>//GEN-END:initComponents private void btnLoginActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnLoginActionPerformed String username = inputUsername.getText(); String passwordTemp = inputPassword.getText(); String password; password = DigestUtils.md5Hex(passwordTemp); if (username.isEmpty() || password.isEmpty()) { JOptionPane.showMessageDialog(this, "Username / Password Tidak Boleh Kosong", "Informasi", JOptionPane.ERROR_MESSAGE); } else { String url = Path.serverURL + "/user/login/" + username + "/" + password; getDataURL dataurl = new getDataURL(); try { String data = dataurl.getData(url); System.out.println(data); if (data.equals("1")) { JOptionPane.showMessageDialog(this, "Login Berhasil", "Informasi", JOptionPane.INFORMATION_MESSAGE); this.dispose(); System.out.println("Panggil Form Sewa"); // memanggil form Sewa FormSewa callForm = new FormSewa(); callForm.setLocationRelativeTo(null); callForm.setVisible(true); } else if (data.equals("2")) { JOptionPane.showMessageDialog(this, "Username Telah di Nonaktifkan", "Informasi", JOptionPane.ERROR_MESSAGE); inputUsername.setText(""); inputPassword.setText(""); } else { JOptionPane.showMessageDialog(this, "Username / Password Salah", "Informasi", JOptionPane.ERROR_MESSAGE); inputUsername.setText(""); inputPassword.setText(""); } } catch (IOException ex) { Logger.getLogger(FormLogin.class.getName()).log(Level.SEVERE, null, ex); } } }//GEN-LAST:event_btnLoginActionPerformed private void btnRegisterActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnRegisterActionPerformed FormRegister formCall = new FormRegister(); formCall.setVisible(true); formCall.setLocationRelativeTo(null); this.dispose(); }//GEN-LAST:event_btnRegisterActionPerformed /** * @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(FormLogin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(FormLogin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(FormLogin.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(FormLogin.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() { new FormLogin().setVisible(true); } }); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton btnLogin; private javax.swing.JButton btnRegister; private javax.swing.JPasswordField inputPassword; private javax.swing.JTextField inputUsername; private javax.swing.JLabel labelPassword; private javax.swing.JLabel labelUsername; // End of variables declaration//GEN-END:variables }