/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Main is a simple java class to demonstrate the NullObject pattern, 
 * aspectized.
 * 
 * Copyright (C) 2003  R. Dale Asberry
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     R. Dale Asberry - initial implementation
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

package test;

import java.util.ArrayList;
import java.util.List;

public class Main
{
	private List cList = null;
	private ArrayList cArrayList = null;
	private String cString = null;
	
	public static void main(String[] args)
	{
		Main lMain = new Main();
//		lMain.cList = lMain.nullListTest();
		try
		{
			lMain.cString = lMain.nullStringTest();
			System.out.println(lMain.cString.charAt(4));
		}
		catch(NullPointerException npe)
		{
			npe.printStackTrace();
		}
		System.out.println("");
		try
		{
			lMain.cArrayList = lMain.nullArrayListTest();
			lMain.cArrayList.get(0);
		}
		catch(NullPointerException npe)
		{
			npe.printStackTrace();
		}
		System.out.println("");
		try
		{
//			lMain.cList = null;
			lMain.cList.get(0);
		}
		catch(NullPointerException npe)
		{
			npe.printStackTrace();
		}
		
		for(int i = 0; i < 100; i++)
		{
			lMain.cArrayList = lMain.nullArrayListTest();
			lMain.cArrayList.get(1);
		}
	}
	
	public List nullListTest()
	{
		return null;
	}
	
	public ArrayList nullArrayListTest()
	{
		return null;
	}
	
	public String nullStringTest()
	{
		return null;
	}
}