Example usage for org.springframework.web.socket.handler SessionLimitExceededException getStatus

Introduction

In this page you can find the example usage for org.springframework.web.socket.handler SessionLimitExceededException getStatus.

Prototype

public CloseStatus getStatus() 

Source Link

Usage

From source file:org.springframework.web.socket.messaging.SubProtocolWebSocketHandler.java

/**
 * Handle an outbound Spring Message to a WebSocket client.
 *///from w ww.  j  a  va 2  s .  c om
@Override
public void handleMessage(Message<?> message) throws MessagingException {
    String sessionId = resolveSessionId(message);
    if (sessionId == null) {
        if (logger.isErrorEnabled()) {
            logger.error("Could not find session id in " + message);
        }
        return;
    }

    WebSocketSessionHolder holder = this.sessions.get(sessionId);
    if (holder == null) {
        if (logger.isDebugEnabled()) {
            // The broker may not have removed the session yet
            logger.debug("No session for " + message);
        }
        return;
    }

    WebSocketSession session = holder.getSession();
    try {
        findProtocolHandler(session).handleMessageToClient(session, message);
    } catch (SessionLimitExceededException ex) {
        try {
            if (logger.isDebugEnabled()) {
                logger.debug("Terminating '" + session + "'", ex);
            }
            this.stats.incrementLimitExceededCount();
            clearSession(session, ex.getStatus()); // clear first, session may be unresponsive
            session.close(ex.getStatus());
        } catch (Exception secondException) {
            logger.debug("Failure while closing session " + sessionId + ".", secondException);
        }
    } catch (Exception ex) {
        // Could be part of normal workflow (e.g. browser tab closed)
        if (logger.isDebugEnabled()) {
            logger.debug("Failed to send message to client in " + session + ": " + message, ex);
        }
    }
}

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