@Override
protected void finishAggregation(FullHttpMessage aggregated) throws Exception {
// Set the 'Content-Length' header. If one isn't already set.
// This is important as HEAD responses will use a 'Content-Length' header which
// does not match the actual body, but the number of bytes that would be
// transmitted if a GET would have been used.
//
// See rfc2616 14.13 Content-Length
if (!HttpUtil.isContentLengthSet(aggregated)) {
aggregated
.headers()
.set(
HttpHeaderNames.CONTENT_LENGTH, String.valueOf(aggregated.content().readableBytes()));
}
}
