public static void notWhitespace(final String str,final String name,final int maxLength){
  if (StringUtils.isNullOrWhitespace(str) || str.length() > maxLength) {
    final String message=String.format("%s cannot be null, empty, or whitespace, or have length greater than %d",name,maxLength);
    throw new IllegalArgumentException(message);
  }
}

public static void notWhitespace ( final String str , final String name , final int maxLength ) { if ( StringUtils . isNullOrWhitespace ( str ) || str . length ( ) > maxLength ) { final String message = String . format ( "%s cannot be null, empty, or whitespace, or have length greater than %d" , name , maxLength ) ; throw new IllegalArgumentException ( message ) ; } }
throws an exception if the specified string contains no non - whitespace characters .
