public static void main(String... argv) {
    WebSocketClient webSocketClient = new StandardWebSocketClient();
    WebSocketStompClient stompClient = new WebSocketStompClient(webSocketClient);
    stompClient.setMessageConverter(new MappingJackson2MessageConverter());
    stompClient.setTaskScheduler(new ConcurrentTaskScheduler());

    String url = "ws://127.0.0.1:8080/hello";
    StompSessionHandler sessionHandler = new MySessionHandler();
    stompClient.connect(url, sessionHandler);

    new Scanner(System.in).nextLine(); //Don't close immediately.
}
 

private WebSocketHandler connect() {
	this.stompClient.connect("/foo", mock(StompSessionHandler.class));

	verify(this.stompSession).getSessionFuture();
	verifyNoMoreInteractions(this.stompSession);

	WebSocketHandler webSocketHandler = this.webSocketHandlerCaptor.getValue();
	assertNotNull(webSocketHandler);
	return webSocketHandler;
}
 

private WebSocketHandler connect() {
	this.stompClient.connect("/foo", mock(StompSessionHandler.class));

	verify(this.stompSession).getSessionFuture();
	verifyNoMoreInteractions(this.stompSession);

	WebSocketHandler webSocketHandler = this.webSocketHandlerCaptor.getValue();
	assertNotNull(webSocketHandler);
	return webSocketHandler;
}
 

public static void main(String args[]) throws Exception
   {
WebSocketClient simpleWebSocketClient =
    new StandardWebSocketClient();
List<Transport> transports = new ArrayList<>(1);
transports.add(new WebSocketTransport(simpleWebSocketClient));

SockJsClient sockJsClient = new SockJsClient(transports);
WebSocketStompClient stompClient =
    new WebSocketStompClient(sockJsClient);
stompClient.setMessageConverter(new MappingJackson2MessageConverter());

String url = "ws://localhost:9090/chat";
String userId = "spring-" +
    ThreadLocalRandom.current().nextInt(1, 99);
StompSessionHandler sessionHandler = new MyStompSessionHandler(userId);
StompSession session = stompClient.connect(url, sessionHandler)
    .get();
BufferedReader in =
    new BufferedReader(new InputStreamReader(System.in));
for (;;) {
    System.out.print(userId + " >> ");
    System.out.flush();
    String line = in.readLine();
    if ( line == null ) break;
    if ( line.length() == 0 ) continue;
    ClientMessage msg = new ClientMessage(userId, line);
    session.send("/app/chat/java", msg);
}
   }
 

private WebSocketHandler connect() {

		this.stompClient.connect("/foo", mock(StompSessionHandler.class));

		verify(this.stompSession).getSessionFuture();
		verifyNoMoreInteractions(this.stompSession);

		WebSocketHandler webSocketHandler = this.webSocketHandlerCaptor.getValue();
		assertNotNull(webSocketHandler);
		return webSocketHandler;
	}
 

public static void main(String[] args) {
    WebSocketClient client = new StandardWebSocketClient();
    WebSocketStompClient stompClient = new WebSocketStompClient(client);

    stompClient.setMessageConverter(new MappingJackson2MessageConverter());

    StompSessionHandler sessionHandler = new MyStompSessionHandler();
    stompClient.connect(URL, sessionHandler);

    new Scanner(System.in).nextLine(); // Don't close immediately.
}
 

@Override
protected ConnectionHandlingStompSession createSession(StompHeaders headers, StompSessionHandler handler) {
	return this.stompSession;
}
 

@Override
protected ConnectionHandlingStompSession createSession(StompHeaders headers, StompSessionHandler handler) {
	return this.stompSession;
}
 

@Override
protected ConnectionHandlingStompSession createSession(StompHeaders headers, StompSessionHandler handler) {
	return this.stompSession;
}
 

/**
 * An overloaded version of
 * {@link #connect(String, StompSessionHandler, Object...)} that also accepts
 * {@link WebSocketHttpHeaders} to use for the WebSocket handshake and
 * {@link StompHeaders} for the STOMP CONNECT frame.
 * @param url the url to connect to
 * @param handshakeHeaders headers for the WebSocket handshake
 * @param connectHeaders headers for the STOMP CONNECT frame
 * @param handler the session handler
 * @param uriVariables the URI variables to expand into the URL
 * @return a ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(String url, @Nullable WebSocketHttpHeaders handshakeHeaders,
		@Nullable StompHeaders connectHeaders, StompSessionHandler handler, Object... uriVariables) {

	Assert.notNull(url, "'url' must not be null");
	URI uri = UriComponentsBuilder.fromUriString(url).buildAndExpand(uriVariables).encode().toUri();
	return connect(uri, handshakeHeaders, connectHeaders, handler);
}
 

/**
 * An overloaded version of
 * {@link #connect(String, WebSocketHttpHeaders, StompSessionHandler, Object...)}
 * that accepts a fully prepared {@link java.net.URI}.
 * @param url the url to connect to
 * @param handshakeHeaders the headers for the WebSocket handshake
 * @param connectHeaders headers for the STOMP CONNECT frame
 * @param sessionHandler the STOMP session handler
 * @return a ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(URI url, @Nullable WebSocketHttpHeaders handshakeHeaders,
		@Nullable StompHeaders connectHeaders, StompSessionHandler sessionHandler) {

	Assert.notNull(url, "'url' must not be null");
	ConnectionHandlingStompSession session = createSession(connectHeaders, sessionHandler);
	WebSocketTcpConnectionHandlerAdapter adapter = new WebSocketTcpConnectionHandlerAdapter(session);
	getWebSocketClient().doHandshake(adapter, handshakeHeaders, url).addCallback(adapter);
	return session.getSessionFuture();
}
 

/**
 * An overloaded version of
 * {@link #connect(String, StompSessionHandler, Object...)} that also accepts
 * {@link WebSocketHttpHeaders} to use for the WebSocket handshake and
 * {@link StompHeaders} for the STOMP CONNECT frame.
 * @param url the url to connect to
 * @param handshakeHeaders headers for the WebSocket handshake
 * @param connectHeaders headers for the STOMP CONNECT frame
 * @param handler the session handler
 * @param uriVariables the URI variables to expand into the URL
 * @return a ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(String url, @Nullable WebSocketHttpHeaders handshakeHeaders,
		@Nullable StompHeaders connectHeaders, StompSessionHandler handler, Object... uriVariables) {

	Assert.notNull(url, "'url' must not be null");
	URI uri = UriComponentsBuilder.fromUriString(url).buildAndExpand(uriVariables).encode().toUri();
	return connect(uri, handshakeHeaders, connectHeaders, handler);
}
 

/**
 * An overloaded version of
 * {@link #connect(String, WebSocketHttpHeaders, StompSessionHandler, Object...)}
 * that accepts a fully prepared {@link java.net.URI}.
 * @param url the url to connect to
 * @param handshakeHeaders the headers for the WebSocket handshake
 * @param connectHeaders headers for the STOMP CONNECT frame
 * @param sessionHandler the STOMP session handler
 * @return a ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(URI url, @Nullable WebSocketHttpHeaders handshakeHeaders,
		@Nullable StompHeaders connectHeaders, StompSessionHandler sessionHandler) {

	Assert.notNull(url, "'url' must not be null");
	ConnectionHandlingStompSession session = createSession(connectHeaders, sessionHandler);
	WebSocketTcpConnectionHandlerAdapter adapter = new WebSocketTcpConnectionHandlerAdapter(session);
	getWebSocketClient().doHandshake(adapter, handshakeHeaders, url).addCallback(adapter);
	return session.getSessionFuture();
}
 

/**
 * An overloaded version of
 * {@link #connect(String, StompSessionHandler, Object...)} that also accepts
 * {@link WebSocketHttpHeaders} to use for the WebSocket handshake and
 * {@link StompHeaders} for the STOMP CONNECT frame.
 * @param url the url to connect to
 * @param handshakeHeaders headers for the WebSocket handshake
 * @param connectHeaders headers for the STOMP CONNECT frame
 * @param handler the session handler
 * @param uriVariables URI variables to expand into the URL
 * @return ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(String url, WebSocketHttpHeaders handshakeHeaders,
		StompHeaders connectHeaders, StompSessionHandler handler, Object... uriVariables) {

	Assert.notNull(url, "uriTemplate must not be null");
	URI uri = UriComponentsBuilder.fromUriString(url).buildAndExpand(uriVariables).encode().toUri();
	return connect(uri, handshakeHeaders, connectHeaders, handler);
}
 

/**
 * An overloaded version of
 * {@link #connect(String, WebSocketHttpHeaders, StompSessionHandler, Object...)}
 * that accepts a fully prepared {@link java.net.URI}.
 * @param url the url to connect to
 * @param handshakeHeaders the headers for the WebSocket handshake
 * @param connectHeaders headers for the STOMP CONNECT frame
 * @param sessionHandler the STOMP session handler
 * @return ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(URI url, WebSocketHttpHeaders handshakeHeaders,
		StompHeaders connectHeaders, StompSessionHandler sessionHandler) {

	Assert.notNull(url, "'uri' must not be null");
	ConnectionHandlingStompSession session = createSession(connectHeaders, sessionHandler);
	WebSocketTcpConnectionHandlerAdapter adapter = new WebSocketTcpConnectionHandlerAdapter(session);
	getWebSocketClient().doHandshake(adapter, handshakeHeaders, url).addCallback(adapter);
	return session.getSessionFuture();
}
 

/**
 * Connect to the given WebSocket URL and notify the given
 * {@link org.springframework.messaging.simp.stomp.StompSessionHandler}
 * when connected on the STOMP level after the CONNECTED frame is received.
 * @param url the url to connect to
 * @param handler the session handler
 * @param uriVars the URI variables to expand into the URL
 * @return a ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(String url, StompSessionHandler handler, Object... uriVars) {
	return connect(url, null, handler, uriVars);
}
 

/**
 * An overloaded version of
 * {@link #connect(String, StompSessionHandler, Object...)} that also
 * accepts {@link WebSocketHttpHeaders} to use for the WebSocket handshake.
 * @param url the url to connect to
 * @param handshakeHeaders the headers for the WebSocket handshake
 * @param handler the session handler
 * @param uriVariables the URI variables to expand into the URL
 * @return a ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(String url, @Nullable WebSocketHttpHeaders handshakeHeaders,
		StompSessionHandler handler, Object... uriVariables) {

	return connect(url, handshakeHeaders, null, handler, uriVariables);
}
 

/**
 * Connect to the given WebSocket URL and notify the given
 * {@link org.springframework.messaging.simp.stomp.StompSessionHandler}
 * when connected on the STOMP level after the CONNECTED frame is received.
 * @param url the url to connect to
 * @param handler the session handler
 * @param uriVars the URI variables to expand into the URL
 * @return a ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(String url, StompSessionHandler handler, Object... uriVars) {
	return connect(url, null, handler, uriVars);
}
 

/**
 * An overloaded version of
 * {@link #connect(String, StompSessionHandler, Object...)} that also
 * accepts {@link WebSocketHttpHeaders} to use for the WebSocket handshake.
 * @param url the url to connect to
 * @param handshakeHeaders the headers for the WebSocket handshake
 * @param handler the session handler
 * @param uriVariables the URI variables to expand into the URL
 * @return a ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(String url, @Nullable WebSocketHttpHeaders handshakeHeaders,
		StompSessionHandler handler, Object... uriVariables) {

	return connect(url, handshakeHeaders, null, handler, uriVariables);
}
 

/**
 * Connect to the given WebSocket URL and notify the given
 * {@link org.springframework.messaging.simp.stomp.StompSessionHandler}
 * when connected on the STOMP level after the CONNECTED frame is received.
 * @param url the url to connect to
 * @param handler the session handler
 * @param uriVars URI variables to expand into the URL
 * @return ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(String url, StompSessionHandler handler, Object... uriVars) {
	return connect(url, null, handler, uriVars);
}
 

/**
 * An overloaded version of
 * {@link #connect(String, StompSessionHandler, Object...)} that also
 * accepts {@link WebSocketHttpHeaders} to use for the WebSocket handshake.
 * @param url the url to connect to
 * @param handshakeHeaders the headers for the WebSocket handshake
 * @param handler the session handler
 * @param uriVariables URI variables to expand into the URL
 * @return ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(String url, WebSocketHttpHeaders handshakeHeaders,
		StompSessionHandler handler, Object... uriVariables) {

	return connect(url, handshakeHeaders, null, handler, uriVariables);
}