public static int appendStringToFileNIO()

in src/main/java/org/apache/datasketches/Files.java [559:577]


  public static int appendStringToFileNIO(final String text, final String fileName,
      final Charset charset) {
    checkFileName(fileName);
    final File file = new File(fileName);
    if (!file.isFile()) { // does not exist
      try {
        file.createNewFile();
      } catch (final Exception e) {
        throw new RuntimeException("Cannot create file: " + fileName + LS + e);
      }
    }
    int bytes = 0;
    try (FileChannel fc = openRandomAccessFile(file, "rw").getChannel()) {
      bytes = append(text, fc, charset);
    } catch (final IOException e) {
      throw new RuntimeException("Cannot create File Channel: " + fileName + LS + e);
    }
    return bytes;
  }