private JimfsFileChannel newJimfsFileChannel(
      JimfsPath path, Set<? extends OpenOption> options, FileAttribute<?>... attrs)
      throws IOException {
    ImmutableSet<OpenOption> opts = Options.getOptionsForChannel(options);
    FileSystemView view = getDefaultView(path);
    RegularFile file = view.getOrCreateRegularFile(path, opts, attrs);
    return new JimfsFileChannel(file, opts, view.state());
  }
Returns the default file system view for the given path.
jimfs/src/main/java/com/google/common/jimfs/JimfsFileSystemProvider.java