@Test public void defaultHashMultiEmptyAbsent() throws Exception { Assert.assertFalse("should be absent", emptyHashFileGenerator.hashMulti(Collections.EMPTY_LIST).isPresent()); }
@Override public Optional<String> hashMulti(Collection<URL> urls) throws IOException { return Optional.absent(); }
EmptyHashFileGenerator implements HashFileGenerator { @Override public Optional<String> hashMulti(Collection<URL> urls) throws IOException { return Optional.absent(); } }
EmptyHashFileGenerator implements HashFileGenerator { @Override public Optional<String> hashMulti(Collection<URL> urls) throws IOException { return Optional.absent(); }  }
EmptyHashFileGenerator implements HashFileGenerator { @Override public Optional<String> hashMulti(Collection<URL> urls) throws IOException { return Optional.absent(); }  @Override Optional<String> hash(final Optional<URL> url); @Override Optional<String> hashMulti(Collection<URL> urls); }
EmptyHashFileGenerator implements HashFileGenerator { @Override public Optional<String> hashMulti(Collection<URL> urls) throws IOException { return Optional.absent(); }  @Override Optional<String> hash(final Optional<URL> url); @Override Optional<String> hashMulti(Collection<URL> urls);  }