A Uri interface

Uri.java

interface Uri
{
    String getScheme()

    Uri.Hierarchy getHierarchy()

    Optional<String> getQuery()

    Optional<String> getFragment()

    interface Hierarchy
    {
        Optional<Uri.Authority> getAuthority()

        String getPath()
    }

    interface Authority
    {
        Optional<String> getUserinfo()

        String getHost()

        Optional<Integer> getPort()
    }
}

Modeled after this description: https://en.wikipedia.org/wiki/URI_scheme