import java.awt.*;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.awt.event.*;
import javax.swing.*;
public class NetworkUtil implements ActionListener{
	JTextField address;
	JComboBox jc;
	JTextArea jt;
	private static void createAndShowGUI(){
		NetworkUtil n = new NetworkUtil();
		JFrame jf = new JFrame();
		JPanel jp = new JPanel(new FlowLayout());
		jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		n.jc = new JComboBox(new Object[] {"Traceroute","Ping"}	);
		n.address = new JTextField("127.0.0.1");
		n.jt = new JTextArea(20,25);
		JScrollPane pane = new JScrollPane(n.jt);
		pane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
	    pane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
		JButton action = new JButton("Run command");
		action.addActionListener(n);
		jp.add(new JLabel("Type"));
		jp.add(n.jc);
		jp.add(new JLabel("Address"));
		jp.add(n.address);
		jp.add(action);
		jp.add(pane);
		jf.add(jp);
		jf.pack();
		//n.jt.setPreferredSize(new Dimension(300,500));
		jf.setVisible(true);
	}
	public static void main(String args[])throws Exception{
		javax.swing.SwingUtilities.invokeLater(new Runnable() {
	        public void run() {
	            createAndShowGUI();
	        }
	    });

	}
	public void actionPerformed(ActionEvent e){
		if(jc.getSelectedIndex()==0){
			jt.setText("");
			Runtime rt = Runtime.getRuntime();
			Process proc =
				rt.exec("tracert " + address.getText());
			BufferedReader b = new BufferedReader(new 

InputStreamReader(proc.getInputStream()));
			String line;
			while ((line = b.readLine()) != null) {
				System.out.println(line + " was line");
				jt.append(line+"\n");
			}
			proc.destroy();
			b.close();
			}
		else if(jc.getSelectedIndex()==1){
			jt.setText("");
			Runtime rt = Runtime.getRuntime();
			Process proc =
				rt.exec("ping " + address.getText());
			BufferedReader b = new BufferedReader(new 

InputStreamReader(proc.getInputStream()));
			String line;
			while ((line = b.readLine()) != null) {
				jt.append(line+"\n");
			}
			proc.destroy();
			b.close();
		}
		}
		}

		}
	}