login.java

these are the assignments done for implementing RMI[remote method invokation] these are done in java

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class Login extends JFrame implements ActionListener
{
JLabel jLogin,jPass;
JComboBox jCbLogin;
JPasswordField jtpass;
JFrame frame ;
JButton jBlogin,jBcancel;
mainMDI mdi =new mainMDI();
Login()
{
//super ("Create New  Login", false, true, false, true);
Container c=getContentPane();
jLogin=new JLabel("Login Name:");
jPass=new JLabel("Password:");
jtpass=new JPasswordField(30);
jtpass.setEchoChar('*');
frame= new JFrame("Login");
jCbLogin=new JComboBox();
jBlogin=new JButton("Login");
jBcancel=new JButton("Cancel");
jCbLogin.addItem("Employee");
jCbLogin.addItem("Customer");
jCbLogin.addItem("Service");
c.add(jLogin);
c.add(jCbLogin);
c.add(jPass);
c.add(jtpass);
c.add(jBlogin);
c.add(jBcancel);
jBlogin.addActionListener(this);
jBcancel.addActionListener(this);
jLogin.setBounds(100,100,120,20);
jCbLogin.setBounds(200,100,120,20);
jPass.setBounds(100,140,120,20);
jtpass.setBounds(200,140,120,20);
jBlogin.setBounds(100,180,80,20);
jBcancel.setBounds(200,180,80,20);
setLayout(null);
setLocation(420,240);
setSize(400,300);
setVisible(true);

}
public void actionPerformed(ActionEvent ae)
{
	if(ae.getSource()==jBlogin)
	{
		
		if(jCbLogin.getSelectedItem().equals("") ||  jtpass.getText().equals("") )
		{
		JOptionPane.showMessageDialog(this,"Please fill all the fields","warning",3);	
		}
		else
		{
		if( jCbLogin.getSelectedItem().equals("Employee") && jtpass.getText().equals("123") )
		{
			
			mdi.emp.setEnabled(true);
			mdi.cust.setEnabled(false);
			mdi.ser.setEnabled(false);
			setVisible(false);
		}
		
		 else if(jCbLogin.getSelectedItem().equals("Customer")  &&  jtpass.getText().equals("123") )
		{
			mdi.emp.setEnabled(false);
			mdi.cust.setEnabled(true);
			mdi.ser.setEnabled(false);
			setVisible(false);
		} 
		
		else if(jCbLogin.getSelectedItem().equals("Service") && jtpass.getText().equals("123") )
		{
			mdi.emp.setEnabled(false);
			mdi.cust.setEnabled(false);
			mdi.ser.setEnabled(true);
			setVisible(false);
		} 
		else
		{
		JOptionPane.showMessageDialog(this,"You are entered wrong password","warning",3);	
		jtpass.setText("");
		}
		}
	}
	else if(ae.getSource()==jBcancel)
	{
	setVisible(false);
	mdi.emp.setEnabled(true);
	mdi.cust.setEnabled(true);
	mdi.ser.setEnabled(true);
	}

}

public static void main(String args[])
{
	new Login();
}
}