Shinobi CRUD with JAVA and SQLite

DBConnection.java

package hendi.shinobi.ui;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import javax.swing.JOptionPane;
/**
 * @author Agus Sumarna
 */
public class DBConnection {
    private Connection koneksi;

    public Connection connect(){
       //untuk koneksi ke driver
       try{
           Class.forName("org.sqlite.JDBC");
           JOptionPane.showMessageDialog(null, "berhasil load driver");
       }catch(ClassNotFoundException ex){
           JOptionPane.showMessageDialog(null, "Tidak ada Driver!\n" + ex);
       }

       //untuk koneksi ke database
       try{
           //String url="jdbc:sqlite:db/litedb.om4gus";
           String url="jdbc:sqlite:db/shinobi.sqlite";
           koneksi=DriverManager.getConnection(url);
           System.out.println("Berhasil koneksi");
       }catch(SQLException se){
           System.out.println("Gagal koneksi "+se);
           JOptionPane.showMessageDialog(null,"Gagal Koneksi Database","Peringatan",JOptionPane.WARNING_MESSAGE);
       }
       return koneksi;
    }
}

shinobiUI.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package hendi.shinobi.ui;

import java.sql.SQLException;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;

/**
 *
 * @author Namikaze Minato
 */
public class ShinobiUI extends javax.swing.JFrame {
    private DefaultTableModel DftTabMode1;
    /**
     * Creates new form MahasiswaUI
     */
    public ShinobiUI() {
        initComponents();
        loadTable();
    }

    /**
     * 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();
        txtNoUrut = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        txtNama = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        txtAsal = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        txtLevel = new javax.swing.JTextField();
        jScrollPane1 = new javax.swing.JScrollPane();
        tblShinobi = new javax.swing.JTable();
        btnSimpan = new javax.swing.JButton();
        btnUbah = new javax.swing.JButton();
        btnHapus = new javax.swing.JButton();
        btnReset = new javax.swing.JButton();
        btnKeluar = new javax.swing.JButton();
        txtJutsu = new javax.swing.JTextField();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Shinobi");
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowActivated(java.awt.event.WindowEvent evt) {
                formWindowActivated(evt);
            }
        });

        jLabel1.setText("Nomor Urut");

        jLabel2.setText("Nama Lengkap");

        jLabel3.setText("Asal Desa");

        txtAsal.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                txtAsalActionPerformed(evt);
            }
        });

        jLabel4.setText("Level");

        jLabel5.setText("Jutsu");

        tblShinobi.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String [] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        tblShinobi.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                tblShinobiMouseClicked(evt);
            }
        });
        jScrollPane1.setViewportView(tblShinobi);

        btnSimpan.setText("Simpan");
        btnSimpan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnSimpanActionPerformed(evt);
            }
        });

        btnUbah.setText("Ubah");
        btnUbah.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnUbahActionPerformed(evt);
            }
        });

        btnHapus.setText("Hapus");
        btnHapus.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnHapusActionPerformed(evt);
            }
        });

        btnReset.setText("Reset");
        btnReset.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnResetActionPerformed(evt);
            }
        });

        btnKeluar.setText("Keluar");
        btnKeluar.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnKeluarActionPerformed(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(19, 19, 19)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(jLabel2)
                            .addComponent(jLabel1)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(jLabel3)
                                .addGroup(layout.createSequentialGroup()
                                    .addGap(10, 10, 10)
                                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                        .addComponent(jLabel5)
                                        .addComponent(jLabel4)))))
                        .addGap(36, 36, 36)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(txtNama, javax.swing.GroupLayout.DEFAULT_SIZE, 208, Short.MAX_VALUE)
                            .addComponent(txtNoUrut)
                            .addComponent(txtAsal)
                            .addComponent(txtLevel)
                            .addComponent(txtJutsu)))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(btnSimpan)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(btnUbah)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(btnHapus)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addComponent(btnReset)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(btnKeluar)))
                .addGap(23, 23, 23)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 452, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(18, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(14, 14, 14)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 204, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jLabel1)
                            .addComponent(txtNoUrut, 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(jLabel2)
                            .addComponent(txtNama, 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(jLabel3)
                            .addComponent(txtAsal, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel4)
                            .addComponent(txtLevel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel5)
                            .addComponent(txtJutsu, 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(btnSimpan)
                            .addComponent(btnUbah)
                            .addComponent(btnHapus)
                            .addComponent(btnReset)
                            .addComponent(btnKeluar))))
                .addContainerGap(29, Short.MAX_VALUE))
        );

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

    private void txtAsalActionPerformed(java.awt.event.ActionEvent evt) {                                        
        // TODO add your handling code here:
    }                                       

    private void btnKeluarActionPerformed(java.awt.event.ActionEvent evt) {                                          
        System.exit(0);
    }                                         

    private void btnSimpanActionPerformed(java.awt.event.ActionEvent evt) {                                          
        java.sql.Connection koneksi = new DBConnection().connect();
         try{
            String sql = "insert into ninja(id, nama, asaldesa, level, jutsu)"
                + " values(?,?,?,?,?)";
            java.sql.PreparedStatement stmt = koneksi.prepareStatement(sql);

            try{
                stmt.setString(1,txtNoUrut.getText());
                stmt.setString(2,txtNama.getText());
                stmt.setString(3,txtAsal.getText());
                stmt.setString(4,txtLevel.getText());
                stmt.setString(5,txtJutsu.getText());

                stmt.executeUpdate();
                JOptionPane.showMessageDialog(null,"Data berhasil disimpan!");
                //bersihkan teks
                reset();
                loadTable();
            }catch(SQLException se){
                //System.out.println("Gagal di simpan");
                JOptionPane.showMessageDialog(null,"Data Gagal disimpan!"
                        + "\nDengan Pesan : " + se.getMessage());
            }
            stmt.close();
        }catch(Exception e){}
    }                                         

    private void btnUbahActionPerformed(java.awt.event.ActionEvent evt) {                                        
         java.sql.Connection koneksi = new DBConnection().connect();

        String sql="update ninja set nama = ?, asaldesa = ?, level = ?, jutsu = ? where id = '" + txtNoUrut.getText()+"'";
        java.sql.PreparedStatement stmt = null;
        try {
            stmt = koneksi.prepareStatement(sql);
        } catch (SQLException ex) {}

        try{
            stmt.setString(1,txtNama.getText());
            stmt.setString(2,txtAsal.getText());
            stmt.setString(3,txtLevel.getText());

            stmt.executeUpdate();
            JOptionPane.showMessageDialog(null,"Data Berhasil diubah!");
            reset();
            loadTable();
        }catch(SQLException se){
            JOptionPane.showMessageDialog(null,"Data gagal diubah!"
                    + "\nTerjadi error dengan pesan : " + se.getMessage());
        }
    }                                       

    private void btnHapusActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        int ok=JOptionPane.showConfirmDialog(null,"Apakah Anda yakin?","Konfirmasi",JOptionPane.YES_NO_OPTION);

        if(ok==0){
            try{
                 //panggil method koneksi
                java.sql.Connection koneksi = new DBConnection().connect();

                String sql="delete from ninja where id = '" + txtNoUrut.getText()+"'";
                java.sql.PreparedStatement stmt=koneksi.prepareStatement(sql);
                stmt.executeUpdate();
                //bersihkan teks
                JOptionPane.showMessageDialog(null,"Data Berhasil dihapus");
                reset();
                
            }catch(Exception e){
                JOptionPane.showMessageDialog(null,"Data Gagal dihapus!"
                        + "\nDengan pesan error : " + e.getMessage());
            }
        }
    }                                        

    private void reset(){
        txtNoUrut.setText(null);
        txtNama.setText(null);
        txtAsal.setText(null);
        txtLevel.setText(null);
        txtJutsu.setText(null);
        txtNoUrut.requestFocus();
    }
    
    private void tampilData(){
        //saat pilih record
        int baris = tblShinobi.getSelectedRow();
        String id = DftTabMode1.getValueAt(baris, 0).toString();
        String nama = DftTabMode1.getValueAt(baris, 1).toString();
        String asal = DftTabMode1.getValueAt(baris, 2).toString();
        String level = DftTabMode1.getValueAt(baris, 3).toString();
        String justu = DftTabMode1.getValueAt(baris, 4).toString();

        txtNoUrut.setText(id);
        txtNama.setText(nama);
        txtAsal.setText(asal);
        txtLevel.setText(level);
        txtJutsu.setText(justu);
    }
    
    private void loadTable(){
        Object[] Baris = {"Id","Nama","Asal Desa","Level", "Jutsu"};
           DftTabMode1 = new DefaultTableModel(null, Baris);
           tblShinobi.setModel(DftTabMode1);

           //panggil method koneksi
           java.sql.Connection koneksi = new DBConnection().connect();

           //untuk menampilkan di table
           try{
               String sql="Select * from ninja order by id asc";
               java.sql.Statement stmt=koneksi.createStatement();
               java.sql.ResultSet rslt=stmt.executeQuery(sql);
               while(rslt.next()){
                   String id = rslt.getString("id");
                   String nama = rslt.getString("nama");
                   String asal = rslt.getString("asaldesa");
                   String level = rslt.getString("level");
                   String jutsu = rslt.getString("jutsu");

                   String[] dataField={id, nama, asal, level, jutsu};
                   DftTabMode1.addRow(dataField);
               }
           }catch(Exception ex){}
    }
    
    private void btnResetActionPerformed(java.awt.event.ActionEvent evt) {                                         
        reset();
    }                                        

    private void tblShinobiMouseClicked(java.awt.event.MouseEvent evt) {                                        
        // TODO add your handling code here:
        tampilData();
    }                                       

    private void formWindowActivated(java.awt.event.WindowEvent evt) {                                     
        // TODO add your handling code here:
    }                                    

    /**
     * @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 ("Windows".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(ShinobiUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(ShinobiUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(ShinobiUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(ShinobiUI.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 ShinobiUI().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify                     
    private javax.swing.JButton btnHapus;
    private javax.swing.JButton btnKeluar;
    private javax.swing.JButton btnReset;
    private javax.swing.JButton btnSimpan;
    private javax.swing.JButton btnUbah;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable tblShinobi;
    private javax.swing.JTextField txtAsal;
    private javax.swing.JTextField txtJutsu;
    private javax.swing.JTextField txtLevel;
    private javax.swing.JTextField txtNama;
    private javax.swing.JTextField txtNoUrut;
    // End of variables declaration                   
}