@Override
public Result exchangeTerminating(HttpExchange exchange, Result result) {
if (result.isFailed()) return result;
HttpResponse response = exchange.getResponse();
if ((response.getVersion() == HttpVersion.HTTP_1_1)
&& (response.getStatus() == HttpStatus.SWITCHING_PROTOCOLS_101)) {
String connection = response.getHeaders().get(HttpHeader.CONNECTION);
if ((connection == null) || !connection.toLowerCase(Locale.US).contains("upgrade")) {
return new Result(
result,
new HttpResponseException(
"101 Switching Protocols without Connection: Upgrade not supported", response));
}
// Upgrade Response
HttpRequest request = exchange.getRequest();
if (request instanceof HttpConnectionUpgrader) {
HttpConnectionUpgrader listener = (HttpConnectionUpgrader) request;
try {
listener.upgrade(response, getHttpConnection());
} catch (Throwable x) {
return new Result(result, x);
}
}
}
return result;
}
@Override
public void onReply(Stream stream, ReplyInfo replyInfo) {
HttpExchange exchange = getHttpExchange();
if (exchange == null) return;
try {
HttpResponse response = exchange.getResponse();
Fields fields = replyInfo.getHeaders();
short spdy = stream.getSession().getVersion();
HttpVersion version =
HttpVersion.fromString(fields.get(HTTPSPDYHeader.VERSION.name(spdy)).getValue());
response.version(version);
String[] status = fields.get(HTTPSPDYHeader.STATUS.name(spdy)).getValue().split(" ", 2);
Integer code = Integer.parseInt(status[0]);
response.status(code);
String reason = status.length < 2 ? HttpStatus.getMessage(code) : status[1];
response.reason(reason);
if (responseBegin(exchange)) {
for (Fields.Field field : fields) {
String name = field.getName();
if (HTTPSPDYHeader.from(spdy, name) != null) continue;
// TODO: handle multiple values properly
HttpField httpField = new HttpField(name, field.getValue());
responseHeader(exchange, httpField);
}
if (responseHeaders(exchange)) {
if (replyInfo.isClose()) {
responseSuccess(exchange);
}
}
}
} catch (Exception x) {
responseFailure(x);
}
}