Examples of org.springframework.web.socket.TextMessage

org.springframework.web.socket.TextMessage
A text WebSocket message. @author Rossen Stoyanchev @since 4.0


  @Test
  public void sendSubscribeToControllerAndReceiveReply() throws Exception {


    String destHeader = "destination:/app/number";
    TextMessage message = create(StompCommand.SUBSCRIBE).headers("id:subs1", destHeader).build();


    TestClientWebSocketHandler clientHandler = new TestClientWebSocketHandler(1, message);
    WebSocketSession session = doHandshake(clientHandler, "/ws").get();


    try {

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  @Test
  public void handleExceptionAndSendToUser() throws Exception {


    String destHeader = "destination:/user/queue/error";
    TextMessage m1 = create(StompCommand.SUBSCRIBE).headers("id:subs1", destHeader).build();
    TextMessage m2 = create(StompCommand.SEND).headers("destination:/app/exception").build();


    TestClientWebSocketHandler clientHandler = new TestClientWebSocketHandler(1, m1, m2);
    WebSocketSession session = doHandshake(clientHandler, "/ws").get();


    try {

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  }


  @Test
  public void webSocketScope() throws Exception {


    TextMessage message1 = create(StompCommand.SUBSCRIBE)
        .headers("id:subs1", "destination:/topic/scopedBeanValue").build();


    TextMessage message2 = create(StompCommand.SEND)
        .headers("destination:/app/scopedBeanValue").build();


    TestClientWebSocketHandler clientHandler = new TestClientWebSocketHandler(1, message1, message2);
    WebSocketSession session = doHandshake(clientHandler, "/ws").get();

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    Map<String, ?> sessions = (Map<String, ?>) new DirectFieldAccessor(this.webSocketHandler).getPropertyValue("sessions");
    new DirectFieldAccessor(sessions.get("id1")).setPropertyValue("createTime", sixtyOneSecondsAgo);
    new DirectFieldAccessor(sessions.get("id2")).setPropertyValue("createTime", sixtyOneSecondsAgo);


    this.webSocketHandler.start();
    this.webSocketHandler.handleMessage(session1, new TextMessage("foo"));


    assertTrue(session1.isOpen());
    assertFalse(session2.isOpen());
    assertNull(session1.getCloseStatus());
    assertEquals(CloseStatus.SESSION_NOT_RELIABLE, session2.getCloseStatus());

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    sb.append("\n");
    if (this.body != null) {
      sb.append(this.body);
    }
    sb.append("\u0000");
    return new TextMessage(sb.toString());
  }

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    WebSocketHandler wsHandler = mock(WebSocketHandler.class);
    TestHttpSockJsSession session = new TestHttpSockJsSession("1", sockJsConfig, wsHandler, null);
    session.delegateConnectionEstablished();


    willThrow(new Exception()).given(wsHandler).handleMessage(session, new TextMessage("x"));


    try {
      XhrReceivingTransportHandler transportHandler = new XhrReceivingTransportHandler();
      transportHandler.initialize(sockJsConfig);
      transportHandler.handleRequest(this.request, this.response, wsHandler, session);

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    transportHandler.initialize(new StubSockJsServiceConfig());
    transportHandler.handleRequest(this.request, this.response, wsHandler, session);


    assertEquals("text/plain;charset=UTF-8", this.response.getHeaders().getContentType().toString());
    verify(wsHandler).handleMessage(session, new TextMessage("x"));
  }

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    Assert.state(State.OPEN.equals(this.state), this + " is not open, current state=" + this.state);
    Assert.isInstanceOf(TextMessage.class, message, this + " supports text messages only.");
    String payload = ((TextMessage) message).getPayload();
    payload = getMessageCodec().encode(new String[] { payload });
    payload = payload.substring(1); // the client-side doesn't need message framing (letter "a")
    message = new TextMessage(payload);
    if (logger.isTraceEnabled()) {
      logger.trace("Sending message " + message + " in " + this);
    }
    sendInternal((TextMessage) message);
  }

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      logger.trace("Processing SockJS message frame " + frame.getContent() + " in " + this);
    }
    for (String message : messages) {
      try {
        if (isOpen()) {
          this.webSocketHandler.handleMessage(this, new TextMessage(message));
        }
      }
      catch (Throwable ex) {
        Class<?> type = this.webSocketHandler.getClass();
        logger.error(type + ".handleMessage threw an exception on " + frame + " in " + this, ex);

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  }


  @Test
  public void afterSessionInitialized() throws Exception {
    this.session.initializeDelegateSession(this.webSocketSession);
    assertEquals(Collections.singletonList(new TextMessage("o")), this.webSocketSession.getSentMessages());
    assertEquals(Arrays.asList("schedule"), this.session.heartbeatSchedulingEvents);
    verify(this.webSocketHandler).afterConnectionEstablished(this.session);
    verifyNoMoreInteractions(this.taskScheduler, this.webSocketHandler);
  }

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