public String getResponseBodyExcerpt(int maxLength, String charset) throws IOException {
charset = calculateCharset(charset);
final Buffer responseBody = getResponseBody0();
final int len = Math.min(responseBody.remaining(), maxLength);
final int pos = responseBody.position();
return responseBody.toStringContent(getCharset(charset), pos, len + pos);
}
/**
* {@inheritDoc}
*/