public class ControllerMoreBook extends Controller {
	// constr
	public ControllerMoreBook(Library m) {
		super(m);
	}

	/**
	 * @param name the username
	 * @param number the book number
	 */
	public String moreBook(String name, String number) {
		try {
			int num = Integer.parseInt(number);
			m.moreBook(name, num);
			return "";

		} catch (UnknownUserException e) {
			return e.getMessage();

		} catch (NotALenderException e) {
			return e.getMessage();

		} catch (NumberFormatException e) {
			return e.getMessage();
		}
	}
}