类 AbstractStandardUpgradeStrategy

字段详细资料

• logger

  protected final Log logger

构造器详细资料

• AbstractStandardUpgradeStrategy

  public AbstractStandardUpgradeStrategy()

方法详细资料

• getContainer

  protected ServerContainer getContainer​(HttpServletRequest request)

• getHttpServletRequest

  protected final HttpServletRequest getHttpServletRequest​(ServerHttpRequest request)

• getHttpServletResponse

  protected final HttpServletResponse getHttpServletResponse​(ServerHttpResponse response)

• getSupportedExtensions

  public List<WebSocketExtension> getSupportedExtensions​(ServerHttpRequest request)

  从接口复制的说明: RequestUpgradeStrategy
  Return the WebSocket protocol extensions supported by the underlying WebSocket server.

  指定者:

  getSupportedExtensions 在接口中 RequestUpgradeStrategy

• getInstalledExtensions

  protected List<WebSocketExtension> getInstalledExtensions​(WebSocketContainer container)

• upgrade

  public void upgrade​(ServerHttpRequest request,
                      ServerHttpResponse response,
                      @Nullable
                      String selectedProtocol,
                      List<WebSocketExtension> selectedExtensions,
                      @Nullable
                      Principal user,
                      WebSocketHandler wsHandler,
                      Map<String,​Object> attrs)
               throws HandshakeFailureException

  从接口复制的说明: RequestUpgradeStrategy
  Perform runtime specific steps to complete the upgrade. Invoked after successful negotiation of the handshake request.

  指定者:

  upgrade 在接口中 RequestUpgradeStrategy

  参数:

  request - the current request

  response - the current response

  selectedProtocol - the selected sub-protocol, if any

  selectedExtensions - the selected WebSocket protocol extensions

  user - the user to associate with the WebSocket session

  wsHandler - the handler for WebSocket messages

  attrs - handshake request specific attributes to be set on the WebSocket session via HandshakeInterceptor and thus made available to the WebSocketHandler

  抛出:

  HandshakeFailureException - thrown when handshake processing failed to complete due to an internal, unrecoverable error, i.e. a server error as opposed to a failure to successfully negotiate the requirements of the handshake request.

• upgradeInternal

  protected abstract void upgradeInternal​(ServerHttpRequest request,
                                          ServerHttpResponse response,
                                          @Nullable
                                          String selectedProtocol,
                                          List<Extension> selectedExtensions,
                                          Endpoint endpoint)
                                   throws HandshakeFailureException

  抛出:

  HandshakeFailureException