dim-s

public class Timer {  
  
    public static long parsePeriod(String period) {
        if (period == null || period.trim().isEmpty()) {
            throw new IllegalArgumentException("Invalid period - '" + period + "', is empty");
        }

        period = period.trim();

        String[] split = period.split(" ");

dim-s

passwordField = new PasswordField("Password:");
passwordField.setIcon(FontAwesome.KEY);

VaadinUtils.setPlaceholder(passwordField, "Enter your password");