Display.java

/*
 * 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 banking;

import java.sql.Connection;
import java.sql.Statement;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import net.proteanit.sql.DbUtils;
/**
 *
 * @author Mohit_Pc
 */
public class Display extends javax.swing.JFrame {

    /**
     * Creates new form Display
     */
    public Display() {
        initComponents();
        table.setVisible(false);
    }

    /**
     * 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() {

        jPanel1 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        table = new javax.swing.JTable();
        btn_display = new javax.swing.JButton();
        btn_exit = new javax.swing.JButton();
        jScrollPane2 = new javax.swing.JScrollPane();
        textf_ex = new javax.swing.JTextArea();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        table.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {

            },
            new String [] {

            }
        ));
        jScrollPane1.setViewportView(table);

        btn_display.setText("DISPLAY");
        btn_display.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_displayActionPerformed(evt);
            }
        });

        btn_exit.setText("EXIT");
        btn_exit.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_exitActionPerformed(evt);
            }
        });

        textf_ex.setColumns(20);
        textf_ex.setRows(5);
        jScrollPane2.setViewportView(textf_ex);

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(10, 10, 10)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 749, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(28, 28, 28)
                .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 709, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(146, 146, 146)
                .addComponent(btn_display, javax.swing.GroupLayout.PREFERRED_SIZE, 115, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(181, 181, 181)
                .addComponent(btn_exit, javax.swing.GroupLayout.PREFERRED_SIZE, 124, javax.swing.GroupLayout.PREFERRED_SIZE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(32, 32, 32)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 209, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(60, 60, 60)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(btn_display, javax.swing.GroupLayout.PREFERRED_SIZE, 38, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btn_exit, javax.swing.GroupLayout.PREFERRED_SIZE, 39, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(36, 36, 36)
                .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 118, javax.swing.GroupLayout.PREFERRED_SIZE))
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(0, 33, Short.MAX_VALUE))
        );
        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>//GEN-END:initComponents

    private void btn_displayActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btn_displayActionPerformed
        // TODO add your handling code here:
        Connection con=null;
        Statement st=null;
        ResultSet rs=null;
        if(evt.getSource()==btn_display)
        {
            try
            {
                Class.forName("oracle.jdbc.driver.OracleDriver");
                con=DriverManager.getConnection("jdbc:oracle:thin:@Mohit:1521:xe","scott","tiger");
                String query="select * from customer";
                if(con!=null)
                    st=con.createStatement();
                if(st!=null)
                rs=st.executeQuery(query);
                table.setVisible(true);
                table.setModel(DbUtils.resultSetToTableModel(rs));
          }catch(ClassNotFoundException cnf)
          {
              textf_ex.append(cnf.toString());
              textf_ex.append("\n");
          }catch(SQLException sq)
          {
              textf_ex.append(sq.toString());
              textf_ex.append("\n");
          }
            catch(Exception ex)
          {
              textf_ex.append(ex.toString());
              textf_ex.append("\n");
          }finally
            {
                try
                {
                    if(st!=null)
                        st.close();
                }catch(SQLException sq)
                {
                     textf_ex.append(sq.toString());
                     textf_ex.append("\n");
                }
                try
                {
                    if(con!=null)
                        con.close();
                }catch(SQLException sq)
                {
                     textf_ex.append(sq.toString());
                     textf_ex.append("\n");
                }
            }
        }
    }//GEN-LAST:event_btn_displayActionPerformed

    private void btn_exitActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btn_exitActionPerformed
        // TODO add your handling code here:
        if(evt.getSource()==btn_exit)
        {
           setVisible(false);
           new Menu().setVisible(true);
            
        }
    }//GEN-LAST:event_btn_exitActionPerformed

    /**
     * @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(Display.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Display.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Display.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Display.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 Display().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton btn_display;
    private javax.swing.JButton btn_exit;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JTable table;
    private javax.swing.JTextArea textf_ex;
    // End of variables declaration//GEN-END:variables
}