package au.gov.amsa.ais.router.model;
   
   import com.github.davidmoten.guavamini.Preconditions;
   
   final class Util {
   
       static void verifyId(String id) {
           verifyNotBlank("id", id);
       }
  
      static void verifyNotBlank(String name, String s) {
          Preconditions.checkNotNull(s);
          Preconditions.checkArgument(s.trim().length() > 0, name + " cannot be null or blank");
      }
  }