/**********************************************************************
 * Author:        Eric Heim
 * Date Created:  7/14/2011
 * Course:        CS0007
 * Description:   Shows the use of the exists method to detect if a file
 *                exists for reading.
 **********************************************************************/

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class ReadExists{
	public static void main(String[] args) throws FileNotFoundException {
		
		Scanner keyboard = new Scanner(System.in);
		File myFile;
		Scanner inputFile;
		String filename;
		
		System.out.print("Please enter the name of your file: ");
		filename = keyboard.nextLine();
		
		myFile = new File(filename);
		
		while(!myFile.exists()){
			System.out.println("The filename entered does not exist");
			
			System.out.print("Please enter the name of your file: ");
			filename = keyboard.nextLine();
			
			myFile = new File(filename);
		}
		
		inputFile = new Scanner(myFile);
		System.out.println("The contents of the file are: ");
		
		while(inputFile.hasNext()) {
			System.out.println(inputFile.nextLine());
		}
		
		inputFile.close();
	}
}