private void connectImpl() throws IOException, ClientProtocolException, ConnectException {
LOGGER.info("connecting to slack");
lastPingSent = 0;
lastPingAck = 0;
HttpClient httpClient = getHttpClient();
HttpGet request = new HttpGet(SLACK_HTTPS_AUTH_URL + authToken);
HttpResponse response;
response = httpClient.execute(request);
LOGGER.debug(response.getStatusLine().toString());
String jsonResponse =
CharStreams.toString(new InputStreamReader(response.getEntity().getContent()));
SlackJSONSessionStatusParser sessionParser = new SlackJSONSessionStatusParser(jsonResponse);
try {
sessionParser.parse();
} catch (ParseException e1) {
LOGGER.error(e1.toString());
}
if (sessionParser.getError() != null) {
LOGGER.error("Error during authentication : " + sessionParser.getError());
throw new ConnectException(sessionParser.getError());
}
users = sessionParser.getUsers();
channels = sessionParser.getChannels();
sessionPersona = sessionParser.getSessionPersona();
LOGGER.info("Self " + sessionPersona.getId() + " : " + sessionPersona.getUserName());
LOGGER.info(users.size() + " users found on this session");
LOGGER.info(channels.size() + " channels found on this session");
String wssurl = sessionParser.getWebSocketURL();
LOGGER.debug("retrieved websocket URL : " + wssurl);
ClientManager client = ClientManager.createClient();
if (proxyAddress != null) {
client
.getProperties()
.put(ClientProperties.PROXY_URI, "http://" + proxyAddress + ":" + proxyPort);
}
final MessageHandler handler = this;
LOGGER.debug("initiating connection to websocket");
try {
websocketSession =
client.connectToServer(
new Endpoint() {
@Override
public void onOpen(Session session, EndpointConfig config) {
session.addMessageHandler(handler);
}
},
URI.create(wssurl));
} catch (DeploymentException e) {
LOGGER.error(e.toString());
}
if (websocketSession != null) {
SlackConnectedImpl slackConnectedImpl = new SlackConnectedImpl(sessionPersona);
dispatcher.dispatch(slackConnectedImpl);
LOGGER.debug("websocket connection established");
LOGGER.info("slack session ready");
}
}
@Override
public void onMessage(String message) {
LOGGER.debug("receiving from websocket " + message);
if (message.contains("{\"type\":\"pong\",\"reply_to\"")) {
int rightBracketIdx = message.indexOf('}');
String toParse = message.substring(26, rightBracketIdx);
lastPingAck = Integer.parseInt(toParse);
LOGGER.debug("pong received " + lastPingAck);
} else {
JSONObject object = parseObject(message);
SlackEvent slackEvent = SlackJSONMessageParser.decode(this, object);
if (slackEvent instanceof SlackChannelCreated) {
SlackChannelCreated slackChannelCreated = (SlackChannelCreated) slackEvent;
channels.put(
slackChannelCreated.getSlackChannel().getId(), slackChannelCreated.getSlackChannel());
}
if (slackEvent instanceof SlackGroupJoined) {
SlackGroupJoined slackGroupJoined = (SlackGroupJoined) slackEvent;
channels.put(
slackGroupJoined.getSlackChannel().getId(), slackGroupJoined.getSlackChannel());
}
dispatcher.dispatch(slackEvent);
}
}