List of usage examples for org.springframework.messaging.simp.stomp StompCommand CONNECTED
StompCommand CONNECTED
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From source file:org.springframework.messaging.simp.stomp.DefaultStompSession.java
@Override public void handleMessage(Message<byte[]> message) { StompHeaderAccessor accessor = MessageHeaderAccessor.getAccessor(message, StompHeaderAccessor.class); Assert.state(accessor != null, "No StompHeaderAccessor"); accessor.setSessionId(this.sessionId); StompCommand command = accessor.getCommand(); Map<String, List<String>> nativeHeaders = accessor.getNativeHeaders(); StompHeaders stompHeaders = StompHeaders.readOnlyStompHeaders(nativeHeaders); boolean isHeartbeat = accessor.isHeartbeat(); if (logger.isTraceEnabled()) { logger.trace("Received " + accessor.getDetailedLogMessage(message.getPayload())); }// w w w . j a va 2s .c o m try { if (StompCommand.MESSAGE.equals(command)) { DefaultSubscription subscription = this.subscriptions.get(stompHeaders.getSubscription()); if (subscription != null) { invokeHandler(subscription.getHandler(), message, stompHeaders); } else if (logger.isDebugEnabled()) { logger.debug("No handler for: " + accessor.getDetailedLogMessage(message.getPayload()) + ". Perhaps just unsubscribed?"); } } else { if (StompCommand.RECEIPT.equals(command)) { String receiptId = stompHeaders.getReceiptId(); ReceiptHandler handler = this.receiptHandlers.get(receiptId); if (handler != null) { handler.handleReceiptReceived(); } else if (logger.isDebugEnabled()) { logger.debug( "No matching receipt: " + accessor.getDetailedLogMessage(message.getPayload())); } } else if (StompCommand.CONNECTED.equals(command)) { initHeartbeatTasks(stompHeaders); this.version = stompHeaders.getFirst("version"); this.sessionFuture.set(this); this.sessionHandler.afterConnected(this, stompHeaders); } else if (StompCommand.ERROR.equals(command)) { invokeHandler(this.sessionHandler, message, stompHeaders); } else if (!isHeartbeat && logger.isTraceEnabled()) { logger.trace("Message not handled."); } } } catch (Throwable ex) { this.sessionHandler.handleException(this, command, stompHeaders, message.getPayload(), ex); } }
From source file:org.springframework.messaging.simp.stomp.StompEncoder.java
private void writeHeaders(StompCommand command, Map<String, Object> headers, byte[] payload, DataOutputStream output) throws IOException { @SuppressWarnings("unchecked") Map<String, List<String>> nativeHeaders = (Map<String, List<String>>) headers .get(NativeMessageHeaderAccessor.NATIVE_HEADERS); if (logger.isTraceEnabled()) { logger.trace("Encoding STOMP " + command + ", headers=" + nativeHeaders); }/*from w ww . j a v a 2s.c o m*/ if (nativeHeaders == null) { return; } boolean shouldEscape = (command != StompCommand.CONNECT && command != StompCommand.CONNECTED); for (Entry<String, List<String>> entry : nativeHeaders.entrySet()) { if (command.requiresContentLength() && "content-length".equals(entry.getKey())) { continue; } List<String> values = entry.getValue(); if (StompCommand.CONNECT.equals(command) && StompHeaderAccessor.STOMP_PASSCODE_HEADER.equals(entry.getKey())) { values = Collections.singletonList(StompHeaderAccessor.getPasscode(headers)); } byte[] encodedKey = encodeHeaderKey(entry.getKey(), shouldEscape); for (String value : values) { output.write(encodedKey); output.write(COLON); output.write(encodeHeaderValue(value, shouldEscape)); output.write(LF); } } if (command.requiresContentLength()) { int contentLength = payload.length; output.write("content-length:".getBytes(StandardCharsets.UTF_8)); output.write(Integer.toString(contentLength).getBytes(StandardCharsets.UTF_8)); output.write(LF); } }
From source file:org.springframework.messaging.simp.stomp.StompProtocolHandler.java
/** * Handle STOMP messages going back out to WebSocket clients. *//* ww w . j a v a 2s .c o m*/ @Override public void handleMessageToClient(WebSocketSession session, Message<?> message) { StompHeaderAccessor headers = StompHeaderAccessor.wrap(message); headers.setCommandIfNotSet(StompCommand.MESSAGE); if (StompCommand.CONNECTED.equals(headers.getCommand())) { // Ignore for now since we already sent it return; } if (StompCommand.MESSAGE.equals(headers.getCommand()) && (headers.getSubscriptionId() == null)) { // TODO: failed message delivery mechanism logger.error("Ignoring message, no subscriptionId header: " + message); return; } if (!(message.getPayload() instanceof byte[])) { // TODO: failed message delivery mechanism logger.error("Ignoring message, expected byte[] content: " + message); return; } try { message = MessageBuilder.withPayloadAndHeaders(message.getPayload(), headers).build(); byte[] bytes = this.stompMessageConverter.fromMessage(message); session.sendMessage(new TextMessage(new String(bytes, Charset.forName("UTF-8")))); } catch (Throwable t) { sendErrorMessage(session, t); } finally { if (StompCommand.ERROR.equals(headers.getCommand())) { try { session.close(CloseStatus.PROTOCOL_ERROR); } catch (IOException e) { } } } }
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/*ww w . jav a 2 s.com*/ } 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")))); }
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 w ww . 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")))); }
From source file:org.springframework.messaging.simp.stomp.StompWebSocketHandler.java
/** * Handle STOMP messages going back out to WebSocket clients. *///from w w w .j a v a2s .c o m @Override public void handleMessage(Message<?> message) { StompHeaderAccessor headers = StompHeaderAccessor.wrap(message); headers.setCommandIfNotSet(StompCommand.MESSAGE); if (StompCommand.CONNECTED.equals(headers.getCommand())) { // Ignore for now since we already sent it return; } String sessionId = headers.getSessionId(); if (sessionId == null) { // TODO: failed message delivery mechanism logger.error("Ignoring message, no sessionId header: " + message); return; } WebSocketSession session = this.sessions.get(sessionId); if (session == null) { // TODO: failed message delivery mechanism logger.error("Ignoring message, sessionId not found: " + message); return; } if (StompCommand.MESSAGE.equals(headers.getCommand()) && (headers.getSubscriptionId() == null)) { // TODO: failed message delivery mechanism logger.error("Ignoring message, no subscriptionId header: " + message); return; } if (!(message.getPayload() instanceof byte[])) { // TODO: failed message delivery mechanism logger.error("Ignoring message, expected byte[] content: " + message); return; } try { message = MessageBuilder.withPayloadAndHeaders(message.getPayload(), headers).build(); byte[] bytes = this.stompMessageConverter.fromMessage(message); session.sendMessage(new TextMessage(new String(bytes, Charset.forName("UTF-8")))); } catch (Throwable t) { sendErrorMessage(session, t); } finally { if (StompCommand.ERROR.equals(headers.getCommand())) { try { session.close(CloseStatus.PROTOCOL_ERROR); } catch (IOException e) { } } } }
From source file:org.springframework.web.socket.messaging.StompSubProtocolHandler.java
/** * Handle STOMP messages going back out to WebSocket clients. *///ww w .j a va2s.co m @Override @SuppressWarnings("unchecked") public void handleMessageToClient(WebSocketSession session, Message<?> message) { if (!(message.getPayload() instanceof byte[])) { if (logger.isErrorEnabled()) { logger.error("Expected byte[] payload. Ignoring " + message + "."); } return; } StompHeaderAccessor accessor = getStompHeaderAccessor(message); StompCommand command = accessor.getCommand(); if (StompCommand.MESSAGE.equals(command)) { if (accessor.getSubscriptionId() == null && logger.isWarnEnabled()) { logger.warn("No STOMP \"subscription\" header in " + message); } String origDestination = accessor.getFirstNativeHeader(SimpMessageHeaderAccessor.ORIGINAL_DESTINATION); if (origDestination != null) { accessor = toMutableAccessor(accessor, message); accessor.removeNativeHeader(SimpMessageHeaderAccessor.ORIGINAL_DESTINATION); accessor.setDestination(origDestination); } } else if (StompCommand.CONNECTED.equals(command)) { this.stats.incrementConnectedCount(); accessor = afterStompSessionConnected(message, accessor, session); if (this.eventPublisher != null && StompCommand.CONNECTED.equals(command)) { try { SimpAttributes simpAttributes = new SimpAttributes(session.getId(), session.getAttributes()); SimpAttributesContextHolder.setAttributes(simpAttributes); Principal user = getUser(session); publishEvent(this.eventPublisher, new SessionConnectedEvent(this, (Message<byte[]>) message, user)); } finally { SimpAttributesContextHolder.resetAttributes(); } } } byte[] payload = (byte[]) message.getPayload(); if (StompCommand.ERROR.equals(command) && getErrorHandler() != null) { Message<byte[]> errorMessage = getErrorHandler().handleErrorMessageToClient((Message<byte[]>) message); if (errorMessage != null) { accessor = MessageHeaderAccessor.getAccessor(errorMessage, StompHeaderAccessor.class); Assert.state(accessor != null, "No StompHeaderAccessor"); payload = errorMessage.getPayload(); } } sendToClient(session, accessor, payload); }
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 w ww. j av a 2 s.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; }