InputReader.java

InputReader.java

//package rex;
import java.util.Scanner;

/**
 * Class InputReader reads user input from the keyboard.
 */

 /**
  * @version 2016.01.20
 * @author Bullwinkle Moose
 */
public class InputReader {
private Scanner scanner;

/**
* Default constructor for InputReader class
* Create a new InputReader to read user input.
*/
public InputReader() {
scanner = new Scanner(System.in);
}

/**
* Retrieves a user's int input
* @return the user's input as an int
*/
public int getIntInput() {
try {
return scanner.nextInt();
} catch (java.util.InputMismatchException e) {
System.out.println("Not a number - treating as zero");
scanner.nextLine(); // clear the buffer
return 0;
}
}

/**
* Retrieves a user's double input
* @return the user's input as an double
*/
public double getDoubleInput() {
try {
return scanner.nextDouble();
} catch (java.util.InputMismatchException e) {
System.out.println("Not a number - treating as zero");
scanner.nextLine(); // clear the buffer
return 0.0;
}
}

/**
* Retrieves a user's String input
* @return the user's input as an String
*/
public String getStringInput() {

String input = scanner.next();
if (input.length() > 0) {
return input;
} else {
System.out.println("ERROR:Invalid input provided");
}
return null;

}
/*
public static void main(String[] args) {

InputReader rex = new InputReader();
System.out.println(rex.getStringInput());


}
*/
}