@Test
public void handleMessageToClientConnectAck() {
StompHeaderAccessor connectHeaders = StompHeaderAccessor.create(StompCommand.CONNECT);
connectHeaders.setHeartbeat(10000, 10000);
connectHeaders.setNativeHeader(StompHeaderAccessor.STOMP_ACCEPT_VERSION_HEADER, "1.0,1.1");
Message<?> connectMessage =
MessageBuilder.withPayload(new byte[0]).setHeaders(connectHeaders).build();
SimpMessageHeaderAccessor connectAckHeaders =
SimpMessageHeaderAccessor.create(SimpMessageType.CONNECT_ACK);
connectAckHeaders.setHeader(SimpMessageHeaderAccessor.CONNECT_MESSAGE_HEADER, connectMessage);
Message<byte[]> connectAckMessage =
MessageBuilder.withPayload(new byte[0]).setHeaders(connectAckHeaders).build();
this.protocolHandler.handleMessageToClient(this.session, connectAckMessage);
verifyNoMoreInteractions(this.channel);
// Check CONNECTED reply
assertEquals(1, this.session.getSentMessages().size());
TextMessage textMessage = (TextMessage) this.session.getSentMessages().get(0);
Message<?> message =
new StompDecoder().decode(ByteBuffer.wrap(textMessage.getPayload().getBytes()));
StompHeaderAccessor replyHeaders = StompHeaderAccessor.wrap(message);
assertEquals(StompCommand.CONNECTED, replyHeaders.getCommand());
assertEquals("1.1", replyHeaders.getVersion());
assertArrayEquals(new long[] {0, 0}, replyHeaders.getHeartbeat());
assertEquals("joe", replyHeaders.getNativeHeader("user-name").get(0));
}
@Override
public void afterConnectionEstablished(WebSocketSession session) throws Exception {
StompHeaderAccessor headers = StompHeaderAccessor.create(StompCommand.CONNECT);
headers.setAcceptVersion("1.1,1.2");
headers.setHeartbeat(0, 0);
Message<byte[]> message = MessageBuilder.withPayload(new byte[0]).setHeaders(headers).build();
TextMessage textMessage = new TextMessage(new String(this.encoder.encode(message), UTF_8));
session.sendMessage(textMessage);
}
@Override
public void handleException(
StompSession session,
StompCommand command,
StompHeaders headers,
byte[] payload,
Throwable exception) {
Message<byte[]> message =
MessageBuilder.createMessage(
payload, StompHeaderAccessor.create(command, headers).getMessageHeaders());
logger.error(
"The exception for session [" + session + "] on message [" + message + "]", exception);
}
@Test
public void handleMessageToClientConnected() {
UserSessionRegistry registry = new DefaultUserSessionRegistry();
this.protocolHandler.setUserSessionRegistry(registry);
StompHeaderAccessor headers = StompHeaderAccessor.create(StompCommand.CONNECTED);
Message<byte[]> message = MessageBuilder.withPayload(new byte[0]).setHeaders(headers).build();
this.protocolHandler.handleMessageToClient(this.session, message);
assertEquals(1, this.session.getSentMessages().size());
WebSocketMessage<?> textMessage = this.session.getSentMessages().get(0);
assertEquals("CONNECTED\n" + "user-name:joe\n" + "\n" + "\u0000", textMessage.getPayload());
assertEquals(Collections.singleton("s1"), registry.getSessionIds("joe"));
}
/** Decode a single STOMP frame from the given {@code buffer} into a {@link Message}. */
private Message<byte[]> decodeMessage(ByteBuffer buffer, MultiValueMap<String, String> headers) {
Message<byte[]> decodedMessage = null;
skipLeadingEol(buffer);
buffer.mark();
String command = readCommand(buffer);
if (command.length() > 0) {
StompHeaderAccessor headerAccessor = null;
byte[] payload = null;
if (buffer.remaining() > 0) {
StompCommand stompCommand = StompCommand.valueOf(command);
headerAccessor = StompHeaderAccessor.create(stompCommand);
initHeaders(headerAccessor);
readHeaders(buffer, headerAccessor);
payload = readPayload(buffer, headerAccessor);
}
if (payload != null) {
if ((payload.length > 0) && (!headerAccessor.getCommand().isBodyAllowed())) {
throw new StompConversionException(
headerAccessor.getCommand()
+ " shouldn't have a payload: length="
+ payload.length
+ ", headers="
+ headers);
}
headerAccessor.updateSimpMessageHeadersFromStompHeaders();
headerAccessor.setLeaveMutable(true);
decodedMessage = MessageBuilder.createMessage(payload, headerAccessor.getMessageHeaders());
if (logger.isDebugEnabled()) {
logger.debug("Decoded " + decodedMessage);
}
} else {
if (logger.isTraceEnabled()) {
logger.trace("Received incomplete frame. Resetting buffer.");
}
if (headers != null && headerAccessor != null) {
String name = NativeMessageHeaderAccessor.NATIVE_HEADERS;
@SuppressWarnings("unchecked")
MultiValueMap<String, String> map =
(MultiValueMap<String, String>) headerAccessor.getHeader(name);
if (map != null) {
headers.putAll(map);
}
}
buffer.reset();
}
} else {
if (logger.isTraceEnabled()) {
logger.trace("Decoded heartbeat");
}
StompHeaderAccessor headerAccessor = StompHeaderAccessor.createForHeartbeat();
initHeaders(headerAccessor);
headerAccessor.setLeaveMutable(true);
decodedMessage =
MessageBuilder.createMessage(HEARTBEAT_PAYLOAD, headerAccessor.getMessageHeaders());
}
return decodedMessage;
}
