@OnMessage(maxMessageSize = 111222)
public String echoText(String msg) {
switch (msg) {
case "text-max":
return String.format("%,d", session.getMaxTextMessageBufferSize());
case "binary-max":
return String.format("%,d", session.getMaxBinaryMessageBufferSize());
case "decoders":
return join(config.getDecoders(), ", ");
case "encoders":
return join(config.getEncoders(), ", ");
case "subprotocols":
if (serverConfig == null) {
return "<not a ServerEndpointConfig>";
} else {
List<String> protocols = new ArrayList<>();
protocols.addAll(serverConfig.getSubprotocols());
Collections.sort(protocols);
return join(protocols, ", ");
}
case "configurator":
if (serverConfig == null) {
return "<not a ServerEndpointConfig>";
} else {
return serverConfig.getConfigurator().getClass().getName();
}
default:
// normal echo
return msg;
}
}
/**
* @OnOpen allows us to intercept the creation of a new session. The session class allows us to
* send data to the user. In the method onOpen, we'll let the user know that the handshake was
* successful.
*/
@OnOpen
public void onOpen(Session session) {
Logger logger = LogManager.getFormatterLogger(EchoService.class);
logger.info(session.getId() + " has opened a connection");
logger.info("MaxBinaryMessageBufferSize %d", session.getMaxBinaryMessageBufferSize());
logger.info("MaxIdleTimeout %d", session.getMaxIdleTimeout());
logger.info("MaxTextMessageBufferSize %d", session.getMaxTextMessageBufferSize());
logger.info("Open sessions size %d", session.getOpenSessions().size());
logger.info("Protocol %s", session.getProtocolVersion());
logger.info("QueryString %s", session.getQueryString());
try {
session.getBasicRemote().sendText("Connection Established");
} catch (IOException ex) {
ex.printStackTrace();
logger.error(ex.getMessage(), ex);
}
}