private HttpResponse sendRequest(HttpRequest httpRequest) {
// if HttpRequest was set to null by a filter don't send request
if (httpRequest != null) {
String hostHeader = httpRequest.getFirstHeader("Host");
if (!Strings.isNullOrEmpty(hostHeader)) {
String[] hostHeaderParts = hostHeader.split(":");
boolean isSsl = httpRequest.isSecure() != null && httpRequest.isSecure();
Integer port = (isSsl ? 443 : 80); // default
if (hostHeaderParts.length > 1) {
port = Integer.parseInt(hostHeaderParts[1]); // non-default
}
HttpResponse httpResponse =
filters.applyOnResponseFilters(
httpRequest,
httpClient.sendRequest(outboundRequest(hostHeaderParts[0], port, "", httpRequest)));
if (httpResponse != null) {
return httpResponse;
}
} else {
logger.error(
"Host header must be provided for requests being forwarded, the following request does not include the \"Host\" header:"
+ System.getProperty("line.separator")
+ httpRequest);
throw new IllegalArgumentException(
"Host header must be provided for requests being forwarded");
}
}
return notFoundResponse();
}
