private void doOnMessage(List<?> messages, CometClientTransportWrapper transport) {
if (transport == primaryTransport) {
listener.onMessage(messages);
} else if (RefreshState.PRIMARY_DISCONNECTED.equals(refreshState)) {
refreshEnqueue(messages);
}
}
@SuppressWarnings("unchecked")
private void doneRefresh() {
refreshState = null;
CometClientTransportWrapper temp = primaryTransport;
primaryTransport = refreshTransport;
refreshTransport = temp;
listener.onAfterRefresh();
if (refreshQueue != null) {
if (refreshQueue.size() > 0) {
GWT.log("CometClient: pushing queued messages");
}
for (Object object : refreshQueue) {
if (object == REFRESH) {
doOnRefresh(primaryTransport);
} else if (object == DISCONNECT) {
doOnDisconnected(primaryTransport);
} else {
doOnMessage((List<?>) object, primaryTransport);
}
}
refreshQueue.clear();
}
}
private void doOnError(
Throwable exception, boolean connected, CometClientTransportWrapper transport) {
if (connected) {
doDisconnect();
}
listener.onError(exception, connected);
if (running) {
primaryTransport.reconnectionTimer.schedule(reconnectionTimeout);
}
}
private void doOnConnected(
int heartbeat, int connectionID, CometClientTransportWrapper transport) {
if (refreshState != null) {
if (transport == refreshTransport) {
if (refreshState == RefreshState.PRIMARY_DISCONNECTED) {
doneRefresh();
} else if (refreshState == RefreshState.CONNECTING) {
primaryTransport.disconnect();
doneRefresh();
} else {
throw new IllegalStateException("Unexpected refresh state");
}
} else {
// refreshed connection after connection failed
if (refreshState != RefreshState.CONNECTING) {
throw new IllegalStateException("Unexpected refresh state");
}
refreshState = null;
listener.onAfterRefresh();
}
} else {
listener.onConnected(heartbeat, connectionID);
}
}
private void doOnRefresh(CometClientTransportWrapper transport) {
if (refreshState == null && transport == primaryTransport) {
refreshState = RefreshState.CONNECTING;
if (refreshTransport == null) {
refreshTransport = new CometClientTransportWrapper();
}
refreshTransport.connect();
listener.onRefresh();
} else if (transport == refreshTransport) {
refreshEnqueue(REFRESH);
} else {
throw new IllegalStateException("Unexpected refresh from primaryTransport");
}
}
private void doOnDisconnected(CometClientTransportWrapper transport) {
if (refreshState != null) {
if (transport == primaryTransport) {
if (refreshState != RefreshState.CONNECTING) {
throw new IllegalStateException("Unexpected refreshState");
}
refreshState = RefreshState.PRIMARY_DISCONNECTED;
GWT.log("CometClient: primary disconnected before refresh transport was connected");
} else {
// the refresh transport has disconnected
failedRefresh();
}
} else {
listener.onDisconnected();
if (running) {
doConnect();
}
}
}
private void doOnHeartbeat(CometClientTransportWrapper transport) {
if (transport == primaryTransport) {
listener.onHeartbeat();
}
}
private void doOnBeforeDisconnected(CometClientTransportWrapper transport) {
if (refreshState == null && transport == primaryTransport) {
listener.onBeforeDisconnected();
}
}
