import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.io.*;
                                                                                                                                
public class rDesktopGui extends JFrame  implements ItemListener {
  ServerConfig servers = new ServerConfig("/etc/rDesktopGui.conf"); // Starts working the ServerConfig class
  String[] listOfServers = servers.read(); // Creates a local copy of the read() method from the ServerConfig class
  String externalCommand = "rdesktop ";
                                                                                                                                
  // Setup components for 1st row
  private JPanel row1 = new JPanel();
  private JComboBox serverName = new JComboBox();
  private JButton goButton = new JButton("Go");
                                                                                                                                
  // Setup components for 2nd row
  private JPanel row2 = new JPanel();
  private JCheckBox fullScreen = new JCheckBox("Fullscrreen", false);
                                                                                                                                
  private Runnable systemCommand = new Runnable() {
    public void run() {
    /* for(int i = 0; i < listOfServers.length; i++) // This was a test to check that the conf read right
          System.out.println(listOfServers);*/
                                                                                                                                
    System.out.println(externalCommand);
    try{
      Runtime runtime = Runtime.getRuntime(); // Creates a runtime environment for the external process
      // Spawn a shell sub-process
      Process process = runtime.exec(externalCommand); // serverName.getText() to get string from JTextBox
      BufferedReader buffer = new BufferedReader(new InputStreamReader(process.getInputStream()));
      String line;
                                                                                                                                
      while((line = buffer.readLine()) != null)
        System.out.println(line);
      } catch(IOException ex) {
        System.out.println("Error running command - Invalid command!");
      }
    }
  };
                                                                                                                                
  private ActionListener buttListener = new ActionListener() {
    public void actionPerformed(ActionEvent ae) {
      runSystemCommand();
    }
  };
                                                                                                                                
  private ActionListener fullScreenListener = new ActionListener() {
    public void actionPerformed(ActionEvent ae) {
    }
  };
                                                                                                                                
  public void itemStateChanged(ItemEvent e) {
    int status = e.getStateChange();
    if(status == e.SELECTED)
      externalCommand = externalCommand + "-f ";
  }
                                                                                                                                
  public rDesktopGui() {
    super("rDesktopGui Connection GUI");
    setLocation(10, 10);
    setSize(300,100);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
    // Setup graphics
    FlowLayout layout = new FlowLayout();
    Container contentPane = getContentPane();
    contentPane.setLayout(layout);
 
    FlowLayout layout1 = new FlowLayout();
    for(int i = 0; i < listOfServers.length; i++)
      serverName.addItem(listOfServers[i]);
    row1.add(serverName);
    row1.add(goButton);
    contentPane.add(row1);
 
    FlowLayout layout2 = new FlowLayout();
    row2.add(fullScreen);
    contentPane.add(row2);
 
    goButton.addActionListener(buttListener);
    fullScreen.addItemListener(this);
 
    setVisible(true);
  }
 
  private void runSystemCommand(){
    new Thread(systemCommand).start();
  }
 
  public static void main(String args[]){
    rDesktopGui frame = new rDesktopGui();
  }
}

externalCommand = (String)serverName.getSelectedItem();