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java selfish routing login screen

Discussion in 'Meet and Greet' started by sanket28, Mar 7, 2011.

  1. sanket28

    sanket28 New Member

    Joined:
    Mar 7, 2011
    Messages:
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    Code:
    import javax.swing.*;
    import java.awt.Container; //for container class
    import java.awt.event.KeyListener; 
    import java.awt.event.KeyEvent;
    import java.awt.event.KeyAdapter;
    import java.awt.event.ActionListener;
    import java.awt.event.*;
    import javax.swing.border.TitledBorder; //for border
    class Authority extends JFrame implements ActionListener
    {
     Container c;
     JButton Jb1,b2,b3;
     JLabel l1,l2,l3,l4,l5;
     JTextField t1;
     JPasswordField t2;
     TitledBorder tb;
     Authority()
     {
      //create main Window
      super("Authority Validation Window");
      c=getContentPane();
      c.setLayout(null);
            setSize(800,560);
      l4=new JLabel("User Identification");
      l4.setBounds(340,100,200,60);
         c.add(l4);
      //create frame for Authority Window using Jbutton
      Jb1=new JButton();
            Jb1.setLayout(null);
      Jb1.setBounds(180,150,450,240);
      c.add(Jb1);
      l4=new JLabel();
      l4.setBounds(125,80,560,350);
      tb=new TitledBorder("Authority Validation Window");
            l4.setBorder(tb);
      c.add(l4);
      //create username n password
      l1=new JLabel("Enter Username: ");
      l1.setBounds(65,40,100,30);
      Jb1.add(l1);
      l2=new JLabel("Enter Password: ");
      l2.setBounds(65,90,100,30);
      Jb1.add(l2);
             //Enter Username n Password
       t1=new JTextField();
       t1.setBounds(200,40,170,30);
       t1.requestFocus();
       Jb1.add(t1);
       t2=new JPasswordField();
       t2.setBounds(200,90,170,30);
       t2.requestFocus();
       Jb1.add(t2);
             //create OK n CANCEL buttons
       b2=new JButton("OK");
       b2.setBounds(80,170,120,30);
       b2.setMnemonic('O'); //for underlining
       b2.addActionListener(this);
       Jb1.add(b2);
       b3=new JButton("CANCEL");
       b3.setBounds(240,170,120,30);
       b3.setMnemonic('C');
       b3.addActionListener(this);
       Jb1.add(b3);
             //for displaying error message
       l3=new JLabel("Please enter the correct password");
       l3.setBounds(240,120,200,40);
             //keyListener
       addKeyListener(new KeyAdapter()
        { public void keyPressed(KeyEvent ke)
        {
             if(ke.getKeyCode()==13) //enter key
           { 
          if(b2.hasFocus()) //OK button 
           { 
          if(t1.getText().equals("Selfish Routing")  && t2.getText().equals("n782996k"))
          { t1.setText(null);  t2.setText(null);
               new mainselfish(); }
          else
          { Jb1.add(l3); }
          }
           }
           if(b3.hasFocus()) //CANCEL button
         { new Project(); }//cancel button close
           repaint();
         }
                   });
      setVisible(true);
      setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
      }//end of parameter constructor
        public void actionPerformed(ActionEvent ae)
     {
      if(ae.getActionCommand().equals("OK")) //OK button
      { 
       if(t1.getText().equals("Selfish Routing")&&t2.getText().equals("n782996k"))
       {t1.setText(null); t2.setText(null);
          new mainselfish(); }
         else
       { t1.setText(null); t2.setText(null);
          JOptionPane.showMessageDialog(this,"Please enter the correct password","Authority Validation Window",JOptionPane.ERROR_MESSAGE);
        } //ok button close
      }
           if(ae.getSource()==b3)
      { new Project(); } //cancel button close
       } //ActionListener close
     public static void main(String[] args) 
     {
      new Authority();
     }
    }
    i have cannot find error inthis pro...pls help
     
    Last edited by a moderator: Mar 7, 2011

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