In Java 8, transform Optional of an empty String in Optional.empty

Question

Given a String I need to get an Optional, whereby if the String is null or empty the result would be Optional.empty. I can do it this way:

String ppo = \"\";
Opt         


        

Answer 1

If you use Guava, you can just do:

Optional ostr = Optional.ofNullable(Strings.emptyToNull(ppo));