Ola galera sou leigo ainda em desenvolvimento em Java gostaria de uma ajuda como faço pra salvar uma String em md5…
package AutoProgram;
import br.ifirst.autosystem.connections.Conexao;
import br.ifirst.autosystem.connections.ConfigDataBase;
import br.ifirst.autosystem.entidades.Usuario;
import br.ifirst.autosystem.exceptions.ArquivoConfigException;
import br.ifirst.autosystem.operacoes.UsuarioOperacao;
import java.awt.event.KeyEvent;
import java.sql.SQLException;
import javax.swing.JOptionPane;
public class Login extends javax.swing.JFrame {
String usuario, senha;
int cod;
private void buscaUsuario(){
if (!txtUsu.getText().equals("")){
cod = Integer.parseInt(txtUsu.getText());
Usuario u;
u = UsuarioOperacao.getNmUsuario(cod);
if (u == null){
JOptionPane.showMessageDialog(null, "Usuário não encontrado!");
limparUsu();
return;
}
txtNome.setText(u.getNmUsu());
}
}
private void limparUsu(){
txtUsu.setText("");
txtNome.setText("");
txtSenha.setText("");
labelinforme.setText("");
}
public Login() {
initComponents();
setLocationRelativeTo(null);
try {
Conexao.getConnection();
} catch (SQLException ex) {
} catch (ArquivoConfigException ex) {
new ConfigDataBase().setVisible(true);
}
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
txtUsu = new javax.swing.JTextField();
txtSenha = new javax.swing.JPasswordField();
butLogin = new javax.swing.JButton();
butSair = new javax.swing.JButton();
labelinforme = new javax.swing.JLabel();
txtNome = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setTitle("Login");
setLocationByPlatform(true);
setResizable(false);
jPanel1.setBackground(new java.awt.Color(255, 255, 255));
jPanel1.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED));
jLabel1.setFont(new java.awt.Font("Times New Roman", 1, 12));
jLabel1.setText("Cód. Usuario:");
jLabel2.setFont(new java.awt.Font("Times New Roman", 1, 12));
jLabel2.setText("Senha :");
txtUsu.setFont(new java.awt.Font("Trebuchet MS", 0, 16)); // NOI18N
txtUsu.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
txtUsu.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtUsuActionPerformed(evt);
}
});
txtUsu.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusLost(java.awt.event.FocusEvent evt) {
txtUsuFocusLost(evt);
}
});
txtUsu.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyPressed(java.awt.event.KeyEvent evt) {
txtUsuKeyPressed(evt);
}
});
txtSenha.setFont(new java.awt.Font("Trebuchet MS", 0, 16)); // NOI18N
txtSenha.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
txtSenhaActionPerformed(evt);
}
});
butLogin.setFont(new java.awt.Font("Times New Roman", 0, 12)); // NOI18N
butLogin.setIcon(new javax.swing.ImageIcon(getClass().getResource("/br/ifirst/autosystem/resources/login.png"))); // NOI18N
butLogin.setText("Login");
butLogin.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
butLoginActionPerformed(evt);
}
});
butSair.setFont(new java.awt.Font("Times New Roman", 0, 11));
butSair.setIcon(new javax.swing.ImageIcon(getClass().getResource("/br/ifirst/autosystem/resources/sair.png"))); // NOI18N
butSair.setText("Sair");
butSair.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
butSairActionPerformed(evt);
}
});
txtNome.setEditable(false);
txtNome.setFont(new java.awt.Font("Trebuchet MS", 0, 16)); // NOI18N
jLabel3.setFont(new java.awt.Font("Times New Roman", 1, 12));
jLabel3.setText("Nome :");
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jLabel1)
.addComponent(jLabel2))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(txtUsu, javax.swing.GroupLayout.PREFERRED_SIZE, 69, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jLabel3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(txtNome, javax.swing.GroupLayout.PREFERRED_SIZE, 193, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(txtSenha, javax.swing.GroupLayout.PREFERRED_SIZE, 152, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(labelinforme, javax.swing.GroupLayout.PREFERRED_SIZE, 237, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 58, Short.MAX_VALUE))
.addComponent(butLogin))
.addComponent(butSair)))
.addContainerGap())
);
jPanel1Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {butLogin, butSair});
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(txtUsu, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(txtNome, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(txtSenha, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(11, 11, 11)
.addComponent(labelinforme, javax.swing.GroupLayout.PREFERRED_SIZE, 12, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(butLogin)
.addComponent(butSair, javax.swing.GroupLayout.PREFERRED_SIZE, 40, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap())
);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
);
pack();
}// </editor-fold>
private void butSairActionPerformed(java.awt.event.ActionEvent evt) {
System.exit(0);
}
private void butLoginActionPerformed(java.awt.event.ActionEvent evt) {
usuario = txtUsu.getText();
senha = txtSenha.getText();
Usuario u = new Usuario();
u.setId(Long.parseLong(usuario));
u.setSenha(String.valueOf(senha));
if (UsuarioOperacao.validaLogin(u)) {
UsuarioLogado.setUsuario(UsuarioOperacao.getUsuario(u));
new AutoSystem().setVisible(true);
this.dispose();
} else {
labelinforme.setText("Usuario ou senha invalido");
}
}
private void txtSenhaActionPerformed(java.awt.event.ActionEvent evt) {
usuario = txtUsu.getText();
senha = txtSenha.getText();
Usuario u = new Usuario();
u.setId(Long.parseLong(usuario));
u.setSenha(String.valueOf(senha));
if (UsuarioOperacao.validaLogin(u)) {
UsuarioLogado.setUsuario(UsuarioOperacao.getUsuario(u));
new AutoSystem().setVisible(true);
this.dispose();
}
else {
labelinforme.setText("Usuario ou senha invalido");
}
}
private void txtUsuActionPerformed(java.awt.event.ActionEvent evt) {
}
private void txtUsuKeyPressed(java.awt.event.KeyEvent evt) {
if (evt.getKeyCode() == KeyEvent.VK_ENTER){
buscaUsuario();
}
}
private void txtUsuFocusLost(java.awt.event.FocusEvent evt) {
buscaUsuario();
}
