final HttpRequestPacket request = (HttpRequestPacket) httpHeader;
final HttpResponsePacket response = request.getResponse();
// Set response "Server" header
if (serverVersion != null && !serverVersion.isEmpty()) {
response.addHeader(Header.Server, serverVersion);
}
// Set response "X-Powered-By" header
if (xPoweredBy != null) {
response.addHeader(Header.XPoweredBy, xPoweredBy);