private static ServerEvent parseJsonEvent(String msg) {
try {
JSONObject eventJ = JSONParser.parseStrict(msg).isObject();
Name name = new Name(eventJ.get("name").isString().stringValue(), "");
ServerEvent.Scope scope =
ServerEvent.Scope.valueOf(eventJ.get("scope").isString().stringValue());
ServerEvent.DataType dataType =
eventJ.get("dataType") == null
? ServerEvent.DataType.STRING
: ServerEvent.DataType.valueOf(eventJ.get("dataType").isString().stringValue());
Serializable data;
String from = eventJ.get("from") == null ? null : eventJ.get("from").toString();
if (dataType == ServerEvent.DataType.BG_STATUS) {
data = BackgroundStatus.parse(eventJ.get("data").isString().stringValue());
} else if (dataType == ServerEvent.DataType.JSON) {
data = eventJ.get("data").isObject().toString();
} else {
data = eventJ.get("data").isString().stringValue();
}
ServerEvent sEvent = new ServerEvent(name, scope, dataType, data);
sEvent.setFrom(from);
return sEvent;
} catch (Exception e) {
GwtUtil.getClientLogger()
.log(Level.WARNING, "Unable to parse json message into ServerEvent: " + msg, e);
return null;
}
}
public static void onMessage(String msg) {
try {
GwtUtil.getClientLogger().log(Level.INFO, "onMessage: " + msg);
ServerEvent sEvent = parseJsonEvent(msg);
Name name = sEvent == null ? null : sEvent.getName();
Serializable data = sEvent.getData();
if (name == null) {
GwtUtil.getClientLogger().log(Level.INFO, "Failed to evaluate: " + msg);
}
if (name.equals(Name.EVT_CONN_EST)) {
JSONObject dataJ = JSONParser.parseStrict(sEvent.getData().toString()).isObject();
String sEventInfo =
dataJ.get("connID").isString().stringValue()
+ "_"
+ dataJ.get("channel").isString().stringValue();
Cookies.setCookie("seinfo", sEventInfo);
GwtUtil.getClientLogger()
.log(Level.INFO, "Websocket connection established: " + sEventInfo);
} else if (data instanceof BackgroundStatus) {
WebEvent<String> ev =
new WebEvent<String>(
ClientEventQueue.class, name, ((BackgroundStatus) data).serialize());
WebEventManager.getAppEvManager().fireEvent(ev);
GwtUtil.getClientLogger()
.log(Level.INFO, "Event: Name:" + name.getName() + ", Data: " + ev.getData());
} else {
WebEvent<String> ev =
new WebEvent<String>(ClientEventQueue.class, name, String.valueOf(data));
WebEventManager.getAppEvManager().fireEvent(ev);
GwtUtil.getClientLogger()
.log(Level.INFO, "Event: Name:" + name.getName() + ", Data: " + sEvent.getData());
}
} catch (Exception e) {
GwtUtil.getClientLogger()
.log(Level.WARNING, "Exception interpreting incoming message: " + msg, e);
}
}
public static void sendEvent(ServerEvent sevt) {
sendMessage(sevt.toJsonString());
}
