Example usage for org.springframework.messaging.simp SimpMessageType UNSUBSCRIBE

Introduction

In this page you can find the example usage for org.springframework.messaging.simp SimpMessageType UNSUBSCRIBE.

Prototype

SimpMessageType UNSUBSCRIBE

To view the source code for org.springframework.messaging.simp SimpMessageType UNSUBSCRIBE.

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Usage

From source file:org.springframework.messaging.simp.broker.AbstractSubscriptionRegistry.java

@Override
public final void unregisterSubscription(Message<?> message) {
    MessageHeaders headers = message.getHeaders();

    SimpMessageType messageType = SimpMessageHeaderAccessor.getMessageType(headers);
    if (!SimpMessageType.UNSUBSCRIBE.equals(messageType)) {
        throw new IllegalArgumentException("Expected UNSUBSCRIBE: " + message);
    }/*from   w w  w  .j a  v  a  2 s  .  c om*/

    String sessionId = SimpMessageHeaderAccessor.getSessionId(headers);
    if (sessionId == null) {
        if (logger.isErrorEnabled()) {
            logger.error("No sessionId in " + message);
        }
        return;
    }

    String subscriptionId = SimpMessageHeaderAccessor.getSubscriptionId(headers);
    if (subscriptionId == null) {
        if (logger.isErrorEnabled()) {
            logger.error("No subscriptionId " + message);
        }
        return;
    }

    removeSubscriptionInternal(sessionId, subscriptionId, message);
}

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From source file:org.springframework.messaging.simp.handler.AbstractSubscriptionRegistry.java

@Override
public final void unregisterSubscription(Message<?> message) {
    SimpMessageHeaderAccessor headers = SimpMessageHeaderAccessor.wrap(message);
    if (!SimpMessageType.UNSUBSCRIBE.equals(headers.getMessageType())) {
        logger.error("Expected UNSUBSCRIBE message: " + message);
        return;//from w  ww . j a v  a2s  . c om
    }
    String sessionId = headers.getSessionId();
    if (sessionId == null) {
        logger.error("Ignoring subscription. No sessionId in message: " + message);
        return;
    }
    String subscriptionId = headers.getSubscriptionId();
    if (subscriptionId == null) {
        logger.error("Ignoring subscription. No subscriptionId in message: " + message);
        return;
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Unubscribe request: " + message);
    }
    removeSubscriptionInternal(sessionId, subscriptionId, message);
}

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From source file:org.springframework.messaging.simp.handler.AnnotationMethodMessageHandler.java

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

    SimpMessageHeaderAccessor headers = SimpMessageHeaderAccessor.wrap(message);
    SimpMessageType messageType = headers.getMessageType();

    if (SimpMessageType.MESSAGE.equals(messageType)) {
        handleMessageInternal(message, this.messageMethods);
    } else if (SimpMessageType.SUBSCRIBE.equals(messageType)) {
        handleMessageInternal(message, this.subscribeMethods);
    } else if (SimpMessageType.UNSUBSCRIBE.equals(messageType)) {
        handleMessageInternal(message, this.unsubscribeMethods);
    }//from w  ww.j  ava 2 s  .  com
}

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From source file:org.springframework.messaging.simp.handler.DefaultUserDestinationResolver.java

private UserDestinationInfo getUserDestinationInfo(SimpMessageHeaderAccessor headers) {

    String destination = headers.getDestination();

    String targetUser;//  ww  w. j  a  va  2 s . co  m
    String targetDestination;

    Principal user = headers.getUser();
    SimpMessageType messageType = headers.getMessageType();

    if (SimpMessageType.SUBSCRIBE.equals(messageType) || SimpMessageType.UNSUBSCRIBE.equals(messageType)) {
        if (!checkDestination(destination, this.subscriptionDestinationPrefix)) {
            return null;
        }
        if (user == null) {
            logger.warn("Ignoring message, no user information");
            return null;
        }
        targetUser = user.getName();
        targetDestination = destination.substring(this.destinationPrefix.length() - 1);
    } else if (SimpMessageType.MESSAGE.equals(messageType)) {
        if (!checkDestination(destination, this.destinationPrefix)) {
            return null;
        }
        int startIndex = this.destinationPrefix.length();
        int endIndex = destination.indexOf('/', startIndex);
        Assert.isTrue(endIndex > 0, "Expected destination pattern \"/user/{userId}/**\"");
        targetUser = destination.substring(startIndex, endIndex);
        targetDestination = destination.substring(endIndex);

    } else {
        if (logger.isTraceEnabled()) {
            logger.trace("Ignoring " + messageType + " message");
        }
        return null;
    }

    return new UserDestinationInfo(targetUser, targetDestination);
}

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From source file:org.springframework.messaging.simp.handler.SimpleBrokerMessageHandler.java

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

    SimpMessageHeaderAccessor headers = SimpMessageHeaderAccessor.wrap(message);
    SimpMessageType messageType = headers.getMessageType();
    String destination = headers.getDestination();

    if (!checkDestinationPrefix(destination)) {
        return;/*from  w w  w.  jav a 2 s.  c om*/
    }

    if (SimpMessageType.SUBSCRIBE.equals(messageType)) {
        preProcessMessage(message);
        this.subscriptionRegistry.registerSubscription(message);
    } else if (SimpMessageType.UNSUBSCRIBE.equals(messageType)) {
        preProcessMessage(message);
        this.subscriptionRegistry.unregisterSubscription(message);
    } else if (SimpMessageType.MESSAGE.equals(messageType)) {
        preProcessMessage(message);
        sendMessageToSubscribers(headers.getDestination(), message);
    } else if (SimpMessageType.DISCONNECT.equals(messageType)) {
        preProcessMessage(message);
        String sessionId = SimpMessageHeaderAccessor.wrap(message).getSessionId();
        this.subscriptionRegistry.unregisterAllSubscriptions(sessionId);
    }
}

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