/**  This is a driver class PostalFees which sort the two types of postal materials
 *    A pdf i used to locate information 
 *    http://pe.usps.com/cpim/ftp/manuals/dmm300/Notice123.pdf
 *
 * @author Freeman Lo
 * @version 0.0.1 Build 1 Jan 28, 2014.
 * Limitations - Letters must be less than or equal to 3.5 ounze
 * Limitations - Envelopes must be less than or equal to 13 ounze
 *
 */

import java.io.*;
import java.util.*;
import java.lang.*;

public class PostalFees
{

	public static void main(String[] args) throws IOException 
	{
		String mess;

		Scanner scan = null;
		scan = new Scanner(System.in);

		System.out.print("Please enter the type of postal item <(L)etter/(E)nvelope> ?  ");
		mess = scan.nextLine();
		mess = mess.trim();

		if ( mess.equalsIgnoreCase("letter") == true || mess.equalsIgnoreCase("l") == true )
		{
			Letter let = new Letter();	// Creating an letter instance
			let.askWeight();		// prompt user for weight of letter
			let.findPrice();		// find the price of the letter
		}

		else if ( mess.equalsIgnoreCase("envelope") == true || mess.equalsIgnoreCase("e") == true )
		{
			Envelope env = new Envelope();	// craeting an instance of Envelope
			env.askWeight();		// prompt user for weight of envelope
			env.findPrice();		// find the price of the Envelope 
		}
		else
			System.out.println("Please try again, You may have entered in the wrong type or there is no such item available for shipping.");

		System.exit(0);
	}
}