}
            }
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }

    @Override
    public void putString(String source, Charset charset, URI relativeTarget) {
        requireNonNull(source, "source string is null");
        requireNonNull(charset, "charset is null");
        putBytes(source.getBytes(charset), relativeTarget);