Example usage for org.springframework.messaging.simp.stomp StompHeaderAccessor getMessageType

Introduction

In this page you can find the example usage for org.springframework.messaging.simp.stomp StompHeaderAccessor getMessageType.

Prototype

@Nullable
    public SimpMessageType getMessageType() 

Source Link

Usage

From source file:org.springframework.messaging.simp.stomp.StompBrokerRelayMessageHandler.java

@Override
public void handleMessage(Message<?> message) {

    StompHeaderAccessor headers = StompHeaderAccessor.wrap(message);
    String sessionId = headers.getSessionId();
    String destination = headers.getDestination();
    StompCommand command = headers.getCommand();
    SimpMessageType messageType = headers.getMessageType();

    if (!this.running) {
        if (logger.isTraceEnabled()) {
            logger.trace("STOMP broker relay not running. Ignoring message id=" + headers.getId());
        }/*  w  w w .j a v  a 2s.  c  o m*/
        return;
    }

    if (SimpMessageType.MESSAGE.equals(messageType)) {
        sessionId = (sessionId == null) ? STOMP_RELAY_SYSTEM_SESSION_ID : sessionId;
        headers.setSessionId(sessionId);
        command = (command == null) ? StompCommand.SEND : command;
        headers.setCommandIfNotSet(command);
        message = MessageBuilder.withPayloadAndHeaders(message.getPayload(), headers).build();
    }

    if (headers.getCommand() == null) {
        logger.error("Ignoring message, no STOMP command: " + message);
        return;
    }
    if (sessionId == null) {
        logger.error("Ignoring message, no sessionId: " + message);
        return;
    }

    try {
        if (checkDestinationPrefix(command, destination)) {

            if (logger.isTraceEnabled()) {
                logger.trace("Processing message: " + message);
            }

            if (SimpMessageType.CONNECT.equals(messageType)) {
                headers.setHeartbeat(0, 0); // TODO: disable for now
                message = MessageBuilder.withPayloadAndHeaders(message.getPayload(), headers).build();
                RelaySession session = new RelaySession(sessionId);
                this.relaySessions.put(sessionId, session);
                session.open(message);
            } else if (SimpMessageType.DISCONNECT.equals(messageType)) {
                RelaySession session = this.relaySessions.remove(sessionId);
                if (session == null) {
                    if (logger.isTraceEnabled()) {
                        logger.trace("Session already removed, sessionId=" + sessionId);
                    }
                    return;
                }
                session.forward(message);
            } else {
                RelaySession session = this.relaySessions.get(sessionId);
                if (session == null) {
                    logger.warn("Session id=" + sessionId + " not found. Ignoring message: " + message);
                    return;
                }
                session.forward(message);
            }
        }
    } catch (Throwable t) {
        logger.error("Failed to handle message " + message, t);
    }
}

---

From source file:org.springframework.messaging.simp.stomp.StompProtocolHandler.java

/**
 * Handle incoming WebSocket messages from clients.
 *///ww w  . ja va 2  s.  c o  m
public void handleMessageFromClient(WebSocketSession session, WebSocketMessage webSocketMessage,
        MessageChannel outputChannel) {

    try {
        Assert.isInstanceOf(TextMessage.class, webSocketMessage);
        String payload = ((TextMessage) webSocketMessage).getPayload();
        Message<?> message = this.stompMessageConverter.toMessage(payload);

        // TODO: validate size limits
        // http://stomp.github.io/stomp-specification-1.2.html#Size_Limits

        if (logger.isTraceEnabled()) {
            logger.trace("Processing STOMP message: " + message);
        }

        try {
            StompHeaderAccessor headers = StompHeaderAccessor.wrap(message);
            headers.setSessionId(session.getId());
            headers.setUser(session.getPrincipal());

            message = MessageBuilder.withPayloadAndHeaders(message.getPayload(), headers).build();

            if (SimpMessageType.CONNECT.equals(headers.getMessageType())) {
                handleConnect(session, message);
            }

            outputChannel.send(message);

        } catch (Throwable t) {
            logger.error("Terminating STOMP session due to failure to send message: ", t);
            sendErrorMessage(session, t);
        }

        // TODO: send RECEIPT message if incoming message has "receipt" header
        // http://stomp.github.io/stomp-specification-1.2.html#Header_receipt

    } catch (Throwable error) {
        sendErrorMessage(session, error);
    }
}

---

From source file:org.springframework.messaging.simp.stomp.StompWebSocketHandler.java

/**
 * Handle incoming WebSocket messages from clients.
 *///from  www . j a v a 2s.c  o m
@Override
protected void handleTextMessage(WebSocketSession session, TextMessage textMessage) {
    try {
        String payload = textMessage.getPayload();
        Message<?> message = this.stompMessageConverter.toMessage(payload);

        // TODO: validate size limits
        // http://stomp.github.io/stomp-specification-1.2.html#Size_Limits

        if (logger.isTraceEnabled()) {
            logger.trace("Processing STOMP message: " + message);
        }

        try {
            StompHeaderAccessor headers = StompHeaderAccessor.wrap(message);
            headers.setSessionId(session.getId());
            headers.setUser(session.getPrincipal());
            message = MessageBuilder.withPayloadAndHeaders(message.getPayload(), headers).build();

            if (SimpMessageType.CONNECT.equals(headers.getMessageType())) {
                handleConnect(session, message);
            }

            this.dispatchChannel.send(message);

        } catch (Throwable t) {
            logger.error("Terminating STOMP session due to failure to send message: ", t);
            sendErrorMessage(session, t);
        }

        // TODO: send RECEIPT message if incoming message has "receipt" header
        // http://stomp.github.io/stomp-specification-1.2.html#Header_receipt

    } catch (Throwable error) {
        sendErrorMessage(session, error);
    }
}

---