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

Introduction

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

Prototype

public Set<String> getAcceptVersion() 

Source Link

Usage

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

protected void handleConnect(WebSocketSession session, Message<?> message) throws IOException {

    StompHeaderAccessor connectHeaders = StompHeaderAccessor.wrap(message);
    StompHeaderAccessor connectedHeaders = StompHeaderAccessor.create(StompCommand.CONNECTED);

    Set<String> acceptVersions = connectHeaders.getAcceptVersion();
    if (acceptVersions.contains("1.2")) {
        connectedHeaders.setVersion("1.2");
    } else if (acceptVersions.contains("1.1")) {
        connectedHeaders.setVersion("1.1");
    } else if (acceptVersions.isEmpty()) {
        // 1.0//w  w  w . j a v a 2 s. c  o m
    } else {
        throw new StompConversionException("Unsupported version '" + acceptVersions + "'");
    }
    connectedHeaders.setHeartbeat(0, 0); // TODO

    Principal principal = session.getPrincipal();
    if (principal != null) {
        connectedHeaders.setNativeHeader(CONNECTED_USER_HEADER, principal.getName());
        connectedHeaders.setNativeHeader(QUEUE_SUFFIX_HEADER, session.getId());

        if (this.queueSuffixResolver != null) {
            String suffix = session.getId();
            this.queueSuffixResolver.addQueueSuffix(principal.getName(), session.getId(), suffix);
        }
    }

    // TODO: security

    Message<?> connectedMessage = MessageBuilder.withPayloadAndHeaders(new byte[0], connectedHeaders).build();
    byte[] bytes = this.stompMessageConverter.fromMessage(connectedMessage);
    session.sendMessage(new TextMessage(new String(bytes, Charset.forName("UTF-8"))));
}

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

protected void handleConnect(WebSocketSession session, Message<?> message) throws IOException {

    StompHeaderAccessor connectHeaders = StompHeaderAccessor.wrap(message);
    StompHeaderAccessor connectedHeaders = StompHeaderAccessor.create(StompCommand.CONNECTED);

    Set<String> acceptVersions = connectHeaders.getAcceptVersion();
    if (acceptVersions.contains("1.2")) {
        connectedHeaders.setAcceptVersion("1.2");
    } else if (acceptVersions.contains("1.1")) {
        connectedHeaders.setAcceptVersion("1.1");
    } else if (acceptVersions.isEmpty()) {
        // 1.0//from   www .j  a  va2  s.  c o m
    } else {
        throw new StompConversionException("Unsupported version '" + acceptVersions + "'");
    }
    connectedHeaders.setHeartbeat(0, 0); // TODO

    Principal principal = session.getPrincipal();
    if (principal != null) {
        connectedHeaders.setNativeHeader(CONNECTED_USER_HEADER, principal.getName());
        connectedHeaders.setNativeHeader(QUEUE_SUFFIX_HEADER, session.getId());

        if (this.queueSuffixResolver != null) {
            String suffix = session.getId();
            this.queueSuffixResolver.addQueueSuffix(principal.getName(), session.getId(), suffix);
        }
    }

    // TODO: security

    Message<?> connectedMessage = MessageBuilder.withPayloadAndHeaders(new byte[0], connectedHeaders).build();
    byte[] bytes = this.stompMessageConverter.fromMessage(connectedMessage);
    session.sendMessage(new TextMessage(new String(bytes, Charset.forName("UTF-8"))));
}

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

/**
 * The simple broker produces {@code SimpMessageType.CONNECT_ACK} that's not STOMP
 * specific and needs to be turned into a STOMP CONNECTED frame.
 *//*from   www  .  ja  va  2s. co  m*/
private StompHeaderAccessor convertConnectAcktoStompConnected(StompHeaderAccessor connectAckHeaders) {
    String name = StompHeaderAccessor.CONNECT_MESSAGE_HEADER;
    Message<?> message = (Message<?>) connectAckHeaders.getHeader(name);
    if (message == null) {
        throw new IllegalStateException("Original STOMP CONNECT not found in " + connectAckHeaders);
    }

    StompHeaderAccessor connectHeaders = MessageHeaderAccessor.getAccessor(message, StompHeaderAccessor.class);
    StompHeaderAccessor connectedHeaders = StompHeaderAccessor.create(StompCommand.CONNECTED);

    if (connectHeaders != null) {
        Set<String> acceptVersions = connectHeaders.getAcceptVersion();
        if (acceptVersions.contains("1.2")) {
            connectedHeaders.setVersion("1.2");
        } else if (acceptVersions.contains("1.1")) {
            connectedHeaders.setVersion("1.1");
        } else if (!acceptVersions.isEmpty()) {
            throw new IllegalArgumentException("Unsupported STOMP version '" + acceptVersions + "'");
        }
    }

    long[] heartbeat = (long[]) connectAckHeaders.getHeader(SimpMessageHeaderAccessor.HEART_BEAT_HEADER);
    if (heartbeat != null) {
        connectedHeaders.setHeartbeat(heartbeat[0], heartbeat[1]);
    } else {
        connectedHeaders.setHeartbeat(0, 0);
    }

    return connectedHeaders;
}

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