InputHandler.java

import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;


public class InputHandler implements KeyListener {
	private Character lastKey;
	
	//This current set up only registers keyPressed
	public InputHandler(Game game)
	{
		game.addKeyListener(this);
		lastKey=null;
	}
	@Override
	public void keyPressed(KeyEvent e)
	{
		if((lastKey==null || lastKey!= e.getKeyChar()))
		{
			lastKey=e.getKeyChar();
			applyInput(e.getKeyCode());
		}
	}

	@Override
	public void keyReleased(KeyEvent e)
	{
		lastKey=null;	
	}
	@Override
	public void keyTyped(KeyEvent e)
	{
		// TODO Auto-generated method stub		
	}
	public void applyInput(int keyCode)
	{
		//This is where the input is actually handled
		
		//Ex.1
		//Create function calls to handle gameplay here
		//abstract "gameplay functions" to a seperate class and 
		//call that here
		
		//Ex.2
		//Create a data structure to represent the keys pressed
		//then view and call functions from another part of the code
		if(KeyEvent.VK_LEFT==keyCode)
		{
			//Ex.1
			//controller.moveCharacter(-1);
			//Ex.2
			//keys[0]=1;
		}
		if(KeyEvent.VK_RIGHT==keyCode)
		{
			
		}
		if(KeyEvent.VK_UP==keyCode)
		{
			
		}
		if(KeyEvent.VK_DOWN==keyCode)
		{
			
		}
		if(KeyEvent.VK_ENTER==keyCode)
		{
			
		}	
	}
}