@Override
public void setHeader(String name, String value) {
if (HttpHeader.CONTENT_TYPE.is(name)) setContentType(value);
else {
if (isIncluding()) {
if (name.startsWith(SET_INCLUDE_HEADER_PREFIX))
name = name.substring(SET_INCLUDE_HEADER_PREFIX.length());
else return;
}
_fields.put(name, value);
if (HttpHeader.CONTENT_LENGTH.is(name)) {
if (value == null) _contentLength = -1l;
else _contentLength = Long.parseLong(value);
}
}
}
@Override
public void send(final TransportListener listener, final Message.Mutable... messages) {
String url = getURL();
final URI uri = URI.create(url);
if (_appendMessageType && messages.length == 1 && messages[0].isMeta()) {
String type = messages[0].getChannel().substring(Channel.META.length());
if (url.endsWith("/")) url = url.substring(0, url.length() - 1);
url += type;
}
final Request request = _httpClient.newRequest(url).method(HttpMethod.POST);
request.header(HttpHeader.CONTENT_TYPE.asString(), "application/json;charset=UTF-8");
StringBuilder builder = new StringBuilder();
for (HttpCookie cookie : getCookieStore().get(uri)) {
builder.setLength(0);
builder.append(cookie.getName()).append("=").append(cookie.getValue());
request.header(HttpHeader.COOKIE.asString(), builder.toString());
}
request.content(new StringContentProvider(generateJSON(messages)));
customize(request);
synchronized (this) {
if (_aborted) throw new IllegalStateException("Aborted");
_requests.add(request);
}
request.listener(
new Request.Listener.Empty() {
@Override
public void onHeaders(Request request) {
listener.onSending(messages);
}
});
long maxNetworkDelay = _maxNetworkDelay;
if (messages.length == 1 && Channel.META_CONNECT.equals(messages[0].getChannel())) {
Map<String, Object> advice = messages[0].getAdvice();
if (advice == null) advice = _advice;
if (advice != null) {
Object timeout = advice.get("timeout");
if (timeout instanceof Number) maxNetworkDelay += ((Number) timeout).longValue();
else if (timeout != null) maxNetworkDelay += Long.parseLong(timeout.toString());
}
}
// Set the idle timeout for this request larger than the total timeout
// so there are no races between the two timeouts
request.idleTimeout(maxNetworkDelay * 2, TimeUnit.MILLISECONDS);
request.timeout(maxNetworkDelay, TimeUnit.MILLISECONDS);
request.send(
new BufferingResponseListener() {
@Override
public boolean onHeader(Response response, HttpField field) {
// We do not allow cookies to be handled by HttpClient, since one
// HttpClient instance is shared by multiple BayeuxClient instances.
// Instead, we store the cookies in the BayeuxClient instance.
switch (field.getHeader()) {
case SET_COOKIE:
case SET_COOKIE2:
Map<String, List<String>> cookies = new HashMap<>(1);
cookies.put(field.getName(), Collections.singletonList(field.getValue()));
storeCookies(uri, cookies);
return false;
default:
return true;
}
}
private void storeCookies(URI uri, Map<String, List<String>> cookies) {
try {
_cookieManager.put(uri, cookies);
} catch (IOException x) {
logger.debug("", x);
}
}
@Override
public void onComplete(Result result) {
synchronized (LongPollingTransport.this) {
_requests.remove(result.getRequest());
}
if (result.isFailed()) {
listener.onFailure(result.getFailure(), messages);
return;
}
Response response = result.getResponse();
int status = response.getStatus();
if (status == HttpStatus.OK_200) {
String content = getContentAsString();
if (content != null && content.length() > 0) {
try {
List<Message.Mutable> messages = parseMessages(content);
debug("Received messages {}", messages);
for (Message.Mutable message : messages) {
if (message.isSuccessful()
&& Channel.META_CONNECT.equals(message.getChannel())) {
Map<String, Object> advice = message.getAdvice();
if (advice != null && advice.get("timeout") != null) _advice = advice;
}
}
listener.onMessages(messages);
} catch (ParseException x) {
listener.onFailure(x, messages);
}
} else {
Map<String, Object> failure = new HashMap<>(2);
// Convert the 200 into 204 (no content)
failure.put("httpCode", 204);
TransportException x = new TransportException(failure);
listener.onFailure(x, messages);
}
} else {
Map<String, Object> failure = new HashMap<>(2);
failure.put("httpCode", status);
TransportException x = new TransportException(failure);
listener.onFailure(x, messages);
}
}
});
}