Example usage for org.springframework.messaging.simp SimpMessageHeaderAccessor getSessionAttributes

Introduction

In this page you can find the example usage for org.springframework.messaging.simp SimpMessageHeaderAccessor getSessionAttributes.

Prototype

@SuppressWarnings("unchecked")
    @Nullable
    public static Map<String, Object> getSessionAttributes(Map<String, Object> headers) 

Source Link

Usage

From source file:org.springframework.messaging.simp.SimpAttributes.java

/**
 * Extract the SiMP session attributes from the given message and
 * wrap them in a {@link SimpAttributes} instance.
 * @param message the message to extract session attributes from
 *//*from w ww  .ja  v  a 2  s. co  m*/
public static SimpAttributes fromMessage(Message<?> message) {
    Assert.notNull(message, "Message must not be null");
    MessageHeaders headers = message.getHeaders();
    String sessionId = SimpMessageHeaderAccessor.getSessionId(headers);
    Map<String, Object> sessionAttributes = SimpMessageHeaderAccessor.getSessionAttributes(headers);
    if (sessionId == null) {
        throw new IllegalStateException("No session id in " + message);
    }
    if (sessionAttributes == null) {
        throw new IllegalStateException("No session attributes in " + message);
    }
    return new SimpAttributes(sessionId, sessionAttributes);
}

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From source file:org.springframework.session.web.socket.handler.WebSocketRegistryListener.java

public void onApplicationEvent(ApplicationEvent event) {
    if (event instanceof SessionDestroyedEvent) {
        SessionDestroyedEvent e = (SessionDestroyedEvent) event;
        closeWsSessions(e.getSessionId());
    } else if (event instanceof SessionConnectEvent) {
        SessionConnectEvent e = (SessionConnectEvent) event;
        afterConnectionEstablished(e.getWebSocketSession());
    } else if (event instanceof SessionDisconnectEvent) {
        SessionDisconnectEvent e = (SessionDisconnectEvent) event;
        Map<String, Object> sessionAttributes = SimpMessageHeaderAccessor
                .getSessionAttributes(e.getMessage().getHeaders());
        String httpSessionId = sessionAttributes == null ? null
                : SessionRepositoryMessageInterceptor.getSessionId(sessionAttributes);
        afterConnectionClosed(httpSessionId, e.getSessionId());
    }/*from  www .  j  a va 2  s.c  om*/
}

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