icarnegieinfoapplication.java

ssd3 Practical Quiz 1

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

public class ICarnegieInfoApplication  {

	private static BufferedReader  stdIn =
		new  BufferedReader(new  InputStreamReader(System.in));
	private static PrintWriter  stdOut =
		new  PrintWriter(System.out, true);
	private static PrintWriter  stdErr =
		new  PrintWriter(System.err, true);

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

		ICarnegieInfo companyInfo = ICarnegieInfo.getInstance();

		int  choice = getChoice();

		while (choice != 0)  {

			if (choice == 1)  {
				stdOut.println(companyInfo.getName());
			} else if (choice == 2)  {
				stdOut.println(companyInfo.getAddress());
			} else if (choice == 3)  {
				stdOut.println(companyInfo.getTelephone());
			} else if (choice == 4)  {
				stdOut.println(companyInfo.getEmail());
			} else if (choice == 5)  {
				stdOut.println(companyInfo.getUrl());
			}

			choice = getChoice();
		}
	}

	private static int  getChoice() throws IOException  {
                do{		
		stdOut.println("0 -  Quit");
		stdOut.println("1 -  Display name");
		stdOut.println("2 -  Display address");
		stdOut.println("3 -  Display telephone");
		stdOut.println("4 -  Display email");
		stdOut.println("5 -  Display URL");
		stdOut.print("choice>");
		stdOut.flush();
		
		try {
			int value = Integer.parseInt(stdIn.readLine());
			if (value>5 || value<0){
				stdErr.println("Invalid choice: " + value);
			}
			else{	
				return value;
			}
		} catch (NumberFormatException  nfe)  {
			stdOut.println(nfe);
		}
		} while (true);
	}
}