Java 8 File- und Sortier-Zeugs

FindFilesOptional.java

     static Optional<Path> findXmlFile(File directory, String prefix) throws IOException {
        if (!directory.exists()) {
            return Optional.empty();
        }

        return Files
                .find(directory.toPath(), 3,
                        (path, basicFileAttributes) -> path.toFile().getName().matches(prefix + ".*.XML"))
                .sorted(Comparator.comparing(Path::getFileName).reversed()).findFirst();

    }

FindFilesSorted.java

        File directory = new File("rschumm/");

        Optional<Path> foundFile = Files.find(
                directory.toPath(), 
                3,
                (path, basicFileAttributes) -> path.toFile().getName().matches("Mitarbeiter.*.XML")
                )
        .sorted(Comparator.comparing(Path::getFileName))
        .findFirst(); 

SortedListStream.java

        List<AgencyType> sortiert = agenturenListe.stream()
                .sorted(Comparator.comparing(AgencyType::getAgencyType).reversed())
                .sorted(Comparator.comparing(AgencyType::getCity))
                .collect(Collectors.toList());