private static final Logger logger = Logger.getLogger(FileFactory.class.getName());

    private final ThreadLocal<File> fileThreadLocal = new ThreadLocal<>();

    File createFile() throws IOException {
      File file = File.createTempFile("SinkSourceFile", "txt");
      fileThreadLocal.set(file);
      return file;
    }

    File getFile() {
      return fileThreadLocal.get();

		return nil, err
	}
	return d.disk.ReadFileStream(ctx, volume, path, offset, length)
}

func (d *naughtyDisk) CreateFile(ctx context.Context, origvolume, volume, path string, size int64, reader io.Reader) error {
	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.CreateFile(ctx, origvolume, volume, path, size, reader)
}

        Path nestedDir = tempDir.resolve("parent").resolve("child");
        Files.createDirectories(nestedDir);
        Files.createFile(nestedDir.resolve("test.txt"));
        Files.createFile(tempDir.resolve("parent").resolve("parent.txt"));

        assertTrue(Files.exists(nestedDir));
        themeHelper.closeQuietly(tempDir.resolve("parent"));

     *
     * @param path the file path to create
     * @return the created file
     * @throws CrawlerSystemException if directory creation fails
     */
    protected File createFile(final String path) {
        final String[] paths = path.split("/");
        File targetFile = baseDir;
        for (int i = 0; i < paths.length - 1; i++) {
            File file = new File(targetFile, paths[i]);

	return errFaultyDisk
}

func (a badDisk) ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error) {
	return nil, errFaultyDisk
}

func (a badDisk) CreateFile(ctx context.Context, origvolume, volume, path string, size int64, reader io.Reader) error {
	return errFaultyDisk
}

func (badDisk) Hostname() string {
	return ""
}

const oneMiByte = 1 * humanize.MiByte

	reader := bytes.NewReader(buf)
	respBody, err := client.call(ctx, storageRESTMethodAppendFile, values, reader, -1)
	defer xhttp.DrainBody(respBody)
	return err
}

func (client *storageRESTClient) CreateFile(ctx context.Context, origvolume, volume, path string, size int64, reader io.Reader) error {
	values := make(url.Values)
	values.Set(storageRESTVolume, volume)
	values.Set(storageRESTFilePath, path)

	})
}

func (p *xlStorageDiskIDCheck) CreateFile(ctx context.Context, origvolume, volume, path string, size int64, reader io.Reader) (err error) {
	ctx, done, err := p.TrackDiskHealth(ctx, storageMetricCreateFile, volume, path)
	if err != nil {
		return err
	}
	defer done(size, &err)

	return p.storage.CreateFile(ctx, origvolume, volume, path, size, io.NopCloser(reader))
}

			// prematurely closed and we do not find any xl.meta or
			// part.1's - in such a scenario we must return as if client
			// disconnected. This means that erasure.Encode() CreateFile()
			// did not do anything.
			return pi, IncompleteBody{Bucket: bucket, Object: object}
		}

		return pi, toObjectErr(err, minioMetaMultipartBucket, partPath)
	}

	// Return success.

	fileSize, err := strconv.Atoi(fileSizeStr)
	if err != nil {
		s.writeErrorResponse(w, err)
		return
	}

	done, body := keepHTTPReqResponseAlive(w, r)
	done(s.getStorage().CreateFile(r.Context(), origvolume, volume, filePath, int64(fileSize), body))
}

// DeleteVersionHandler delete updated metadata.