@Trivial
    public static String trim(String original) {
        if (original == null) {
            return null;
        }
        String result = original.trim();
        if (result.isEmpty()) {
            return null;
        }
        return result;
    }
@ Trivial public static String trim ( String original ) { if ( original == null ) { return null ; } String result = original . trim ( ) ; if ( result . isEmpty ( ) ) { return null ; } return result ; }
Calls {@code java.lang.String.trim()} on the provided value.

@param original
@return {@code null} if {@code original} is {@code null} or empty after the {@code java.lang.String.trim()} operation.
Otherwise returns the trimmed result.