package org.tls.demo.artima;
 
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
 
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.text.BadLocationException;
 
import org.apache.log4j.Logger;
 
/**
 * 
 * 
 * 
 * 
 * @author tsmets
 * @version $Revision$
 *  */
public class DemoShowName
    extends JFrame
 
{
    private static final Logger log = Logger.getLogger (DemoShowName.class);
    public static final int TXTFIELD_COLS = 20;
    public static final int TXT_AREA_ROWS = 20;
    public static final int TXT_AREA_COLS = 5;
    public static final String ACTION_NAME = "Transfert";
    
    JTextField userName = null;
    JTextArea txtArea = null;
    Container contentPane = null;
    JButton action = null;
    /**
     * Constructor for DemoShowName.
     */
    public DemoShowName (String frameName)
    {
       super (frameName);
       contentPane = getContentPane();
       contentPane.setLayout (new BorderLayout ());
       userName = new JTextField (TXTFIELD_COLS);
       txtArea = new JTextArea (TXT_AREA_ROWS, TXT_AREA_COLS);
       action = new JButton (ACTION_NAME);
       contentPane.add (userName, BorderLayout.NORTH);
       contentPane.add (txtArea, BorderLayout.CENTER);
       contentPane.add (action, BorderLayout.SOUTH);
       action.addActionListener (new Transfert ());
       setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       setVisible(true);
       pack();
       log.debug ("Application is started");
     }
    
    /**
     * Entry point of the program
     * */    
    public static void main (String[] args)
    {
        new DemoShowName ("Demo Artima");
    }  
    
    public class Transfert
        implements ActionListener
    {        
       /**
        * @see java.awt.event.ActionListener#actionPerformed(ActionEvent)
        */
        public void actionPerformed(ActionEvent ae)
        {
          try
          {
            log.info ("public void actionPerformed ( ActionEvent " + ae + " )");
            String s = txtArea.getDocument().getText(0, txtArea.getDocument().getLength());
            log.debug ("Here is the Document content : " + s);
            txtArea.setText ("Empty");
            userName.setText (s);
         } catch (BadLocationException blex)
         {
            log.warn ( "Could not fetch the text area content. Document is : " + txtArea.getDocument(),
                           blex);
         } 
       }
    }  
}

package org.tls.demo.artima;
 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
 
import org.apache.log4j.Logger;
 
/**
 * 
 * @author tsmets
 * @version Revision
 *  */
public class QuickAndSimpleStrategies
    implements Runnable
{
    private static final Logger log = Logger.getLogger (QuickAndSimpleStrategies.class);
    private GessesRange strategy = new CustomerGessStrategy ();
    
    QuickAndSimpleStrategies ()
    {
        log.debug ("Program started");
    }
    
	public static void main(String[] args)
	{
        new Thread (new QuickAndSimpleStrategies()).start ();
	}
    
	/**
	 * @see java.lang.Runnable#run()
	 */
	public void run ()
	{
        int min = 0;
        int max = 0;
        String line = null;      
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        
        do 
        {
            try
            {
                System.out.println ("Introduce two numbers (min & max) :\n\tmin : ");
                line = br.readLine();
                min = Integer.parseInt(line);
                System.out.println ("\tmax : ");
                line = br.readLine();
                max = Integer.parseInt (line);
                System.out.println ("Strategy tells me to propose : " + strategy.process(min, max) + " guesses");
                log.info ("User introduced the following two numbers. Min : " + min + " Max : " + max);
            } catch (IOException ioe)
            {
                log.warn ( "Exception thrown while processing the Inputs", 
                           ioe);
            }    
        } while (min != -1 & max != -1);    
        log.info ("Program will termiinate soon");    
	} // end of Run
    
    public interface GessesRange 
    {
        public int process (int min, int max);
    }
    
    class CustomerGessStrategy
        implements GessesRange 
    {
        public int process (int min, int max)
        {
            return 0;
        }
    }
}