private Message handlePublishMessage(
final ChannelFactory<?> channelFactory, final AsyncMessage message, final Channel channel) {
GraniteContext context = GraniteContext.getCurrentInstance();
// Get and check destination.
Destination destination =
context
.getServicesConfig()
.findDestinationById(message.getClass().getName(), message.getDestination());
if (destination == null) return getInvalidDestinationError(message);
if (message.getMessageId() == null) message.setMessageId(UUIDUtil.randomUUID());
message.setTimestamp(System.currentTimeMillis());
if (channel != null) message.setClientId(channel.getId());
GravityInvocationContext invocationContext =
new GravityInvocationContext(message, destination) {
@Override
public Object invoke() throws Exception {
// Publish...
Channel fromChannel = channel;
if (fromChannel == null)
fromChannel = getChannel(channelFactory, (String) message.getClientId());
if (fromChannel == null) return handleUnknownClientMessage(message);
ServiceAdapter adapter = adapterFactory.getServiceAdapter(message);
AsyncMessage reply = (AsyncMessage) adapter.invoke(fromChannel, message);
reply.setDestination(message.getDestination());
reply.setClientId(fromChannel.getId());
return reply;
}
};
// Check security 1 (destination).
if (destination.getSecurizer() instanceof GravityDestinationSecurizer) {
try {
((GravityDestinationSecurizer) destination.getSecurizer()).canPublish(invocationContext);
} catch (Exception e) {
return new ErrorMessage(message, e, true);
}
}
// Check security 2 (security service).
GraniteConfig config = context.getGraniteConfig();
try {
if (config.hasSecurityService() && config.getSecurityService().acceptsContext())
return (Message) config.getSecurityService().authorize(invocationContext);
return (Message) invocationContext.invoke();
} catch (Exception e) {
return new ErrorMessage(message, e, true);
}
}
protected void createUdpReceiver(UdpReceiverFactory factory, AsyncHttpContext asyncHttpContext) {
OutputStream os = null;
try {
Message connectMessage = asyncHttpContext.getConnectMessage();
if (udpReceiver == null || udpReceiver.isClosed())
udpReceiver = factory.newReceiver(this, asyncHttpContext.getRequest(), connectMessage);
AsyncMessage reply = udpReceiver.acknowledge(connectMessage);
HttpServletRequest request = asyncHttpContext.getRequest();
HttpServletResponse response = asyncHttpContext.getResponse();
GraniteContext context =
HttpGraniteContext.createThreadIntance(
gravity.getGraniteConfig(), gravity.getServicesConfig(), null, request, response);
((AMFContextImpl) context.getAMFContext())
.setCurrentAmf3Message(asyncHttpContext.getConnectMessage());
GravityServletUtil.serialize(
gravity,
response,
new AsyncMessage[] {reply},
ContentType.forMimeType(request.getContentType()));
} catch (ServletException e) {
log.error(e, "Could not send UDP connect acknowledgement to channel: %s", this);
} catch (IOException e) {
log.error(e, "Could not send UDP connect acknowledgement to channel: %s", this);
} finally {
try {
GraniteContext.release();
} catch (Exception e) {
// should never happen...
}
// Close output stream.
try {
if (os != null) {
try {
os.close();
} catch (IOException e) {
log.warn(e, "Could not close output stream (ignored)");
}
}
} finally {
releaseAsyncHttpContext(asyncHttpContext);
}
}
}
public Principal login(Object credentials, String charset) {
List<String> decodedCredentials = Arrays.asList(decodeBase64Credentials(credentials, charset));
HttpGraniteContext context = (HttpGraniteContext) GraniteContext.getCurrentInstance();
HttpServletRequest httpRequest = context.getRequest();
String user = decodedCredentials.get(0);
String password = decodedCredentials.get(1);
Authentication auth = new UsernamePasswordAuthenticationToken(user, password);
Principal principal = null;
ApplicationContext ctx =
WebApplicationContextUtils.getWebApplicationContext(
httpRequest.getSession().getServletContext());
if (ctx != null) {
AbstractAuthenticationManager authenticationManager =
BeanFactoryUtils.beanOfTypeIncludingAncestors(ctx, AbstractAuthenticationManager.class);
try {
Authentication authentication = authenticationManager.authenticate(auth);
SecurityContext securityContext = SecurityContextHolder.getContext();
securityContext.setAuthentication(authentication);
principal = authentication;
SecurityContextHolder.setContext(securityContext);
saveSecurityContextInSession(securityContext, 0);
endLogin(credentials, charset);
} catch (AuthenticationException e) {
handleAuthenticationExceptions(e);
}
}
log.debug("User %s logged in", user);
return principal;
}
public Externalizer getExternalizer(String type) {
Externalizer externalizer =
getElementByType(
type,
EXTERNALIZER_FACTORY,
externalizersByType,
externalizersByInstanceOf,
externalizersByAnnotatedWith,
scannedExternalizers);
if (externalizer != null) return externalizer;
if ("java".equals(GraniteContext.getCurrentInstance().getClientType())) {
// Force use of number externalizers when serializing from/to a Java client
if (Long.class.getName().equals(type)) return LONG_EXTERNALIZER;
else if (BigInteger.class.getName().equals(type)) return BIGINTEGER_EXTERNALIZER;
else if (BigDecimal.class.getName().equals(type)) return BIGDECIMAL_EXTERNALIZER;
else {
try {
Class<?> clazz = TypeUtil.forName(type);
if (Map.class.isAssignableFrom(clazz) && !Externalizable.class.isAssignableFrom(clazz))
return MAP_EXTERNALIZER;
} catch (Exception e) {
}
}
}
return null;
}
private Message handleSecurityMessage(CommandMessage message) {
GraniteConfig config = GraniteContext.getCurrentInstance().getGraniteConfig();
Message response = null;
if (!config.hasSecurityService())
log.warn(
"Ignored security operation (no security settings in granite-config.xml): %s", message);
else if (!config.getSecurityService().acceptsContext())
log.info(
"Ignored security operation (security service does not handle this kind of granite context)",
message);
else {
SecurityService securityService = config.getSecurityService();
try {
if (message.isLoginOperation())
securityService.login(
message.getBody(), (String) message.getHeader(Message.CREDENTIALS_CHARSET_HEADER));
else securityService.logout();
} catch (Exception e) {
if (e instanceof SecurityServiceException)
log.debug(e, "Could not process security operation: %s", message);
else log.error(e, "Could not process security operation: %s", message);
response = new ErrorMessage(message, e, true);
}
}
if (response == null) {
response = new AcknowledgeMessage(message, true);
// For SDK 2.0.1_Hotfix2.
if (message.isSecurityOperation()) response.setBody("success");
}
return response;
}
protected SecurityContext loadSecurityContextFromSession() {
HttpGraniteContext context = (HttpGraniteContext) GraniteContext.getCurrentInstance();
HttpServletRequest request = context.getRequest();
return (SecurityContext)
request
.getSession()
.getAttribute(HttpSessionContextIntegrationFilter.SPRING_SECURITY_CONTEXT_KEY);
}
public GraniteContext initThread(String sessionId, String clientType) {
GraniteContext context = GraniteContext.getCurrentInstance();
if (context == null)
context =
SimpleGraniteContext.createThreadInstance(
graniteConfig, servicesConfig, sessionId, applicationMap, clientType);
return context;
}
protected AbstractChannel(
GravityInternal gravity,
String id,
ChannelFactory<? extends Channel> factory,
String clientType) {
if (id == null) throw new NullPointerException("id cannot be null");
this.id = id;
GraniteContext graniteContext = GraniteContext.getCurrentInstance();
this.clientType = clientType;
this.sessionId = graniteContext != null ? graniteContext.getSessionId() : null;
this.gravity = gravity;
this.factory = factory;
this.publisher = new AsyncPublisher(this);
this.receiver = new AsyncReceiver(this);
}
public void logout() {
HttpGraniteContext context = (HttpGraniteContext) GraniteContext.getCurrentInstance();
HttpSession session = context.getSession(false);
if (session != null
&& session.getAttribute(HttpSessionContextIntegrationFilter.SPRING_SECURITY_CONTEXT_KEY)
!= null) session.invalidate();
SecurityContextHolder.clearContext();
}
public static String getClassName(Class<?> clazz) {
if (Map.class.isAssignableFrom(clazz) && !Externalizable.class.isAssignableFrom(clazz)) {
Externalizer externalizer =
GraniteContext.getCurrentInstance().getGraniteConfig().getExternalizer(clazz.getName());
if (externalizer == null) return "";
}
RemoteClass alias = clazz.getAnnotation(RemoteClass.class);
return alias != null ? alias.value() : clazz.getName();
}
protected JavaClassDescriptor(Class<?> type) {
GraniteConfig config = GraniteContext.getCurrentInstance().getGraniteConfig();
this.type = type;
this.name = getClassName(type);
this.externalizer = config.getExternalizer(type.getName());
this.converters = config.getConverters();
this.encoding = findEncoding(type);
this.properties = introspectProperties();
}
public Object authorize(AbstractSecurityContext context) throws Exception {
log.debug("Authorize: %s", context);
log.debug(
"Is %s secured? %b",
context.getDestination().getId(), context.getDestination().isSecured());
startAuthorization(context);
HttpGraniteContext graniteContext = (HttpGraniteContext) GraniteContext.getCurrentInstance();
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
SecurityContext securityContextBefore = null;
int securityContextHashBefore = 0;
if (graniteContext.getRequest().getAttribute(FILTER_APPLIED) == null) {
securityContextBefore = loadSecurityContextFromSession();
if (securityContextBefore == null) securityContextBefore = SecurityContextHolder.getContext();
else securityContextHashBefore = securityContextBefore.hashCode();
SecurityContextHolder.setContext(securityContextBefore);
authentication = securityContextBefore.getAuthentication();
}
if (context.getDestination().isSecured()) {
if (!isAuthenticated(authentication)
|| authentication instanceof AnonymousAuthenticationToken) {
log.debug("Is not authenticated!");
throw SecurityServiceException.newNotLoggedInException("User not logged in");
}
if (!userCanAccessService(context, authentication)) {
log.debug("Access denied for: %s", authentication.getName());
throw SecurityServiceException.newAccessDeniedException("User not in required role");
}
}
try {
Object returnedObject =
securityInterceptor != null
? securityInterceptor.invoke(context)
: endAuthorization(context);
return returnedObject;
} catch (AccessDeniedException e) {
throw SecurityServiceException.newAccessDeniedException(e.getMessage());
} catch (InvocationTargetException e) {
handleAuthorizationExceptions(e);
throw e;
} finally {
if (graniteContext.getRequest().getAttribute(FILTER_APPLIED) == null) {
// Do this only when not already filtered by Spring Security
SecurityContext securityContextAfter = SecurityContextHolder.getContext();
SecurityContextHolder.clearContext();
saveSecurityContextInSession(securityContextAfter, securityContextHashBefore);
}
}
}
protected void saveSecurityContextInSession(
SecurityContext securityContext, int securityContextHashBefore) {
if (securityContext.hashCode() != securityContextHashBefore
&& !(securityContext.getAuthentication() instanceof AnonymousAuthenticationToken)) {
HttpGraniteContext context = (HttpGraniteContext) GraniteContext.getCurrentInstance();
HttpServletRequest request = context.getRequest();
request
.getSession()
.setAttribute(
HttpSessionContextIntegrationFilter.SPRING_SECURITY_CONTEXT_KEY, securityContext);
}
}
private Object getSessionAttribute(String attributeName) {
Object result = null;
// try to get session attribute from GraniteDS context
GraniteContext graniteContext = GraniteContext.getCurrentInstance();
if (graniteContext != null) {
result = graniteContext.getSessionMap().get(attributeName);
} else {
// try to get session attribute from current request context holder session
ServletRequestAttributes requestAttributes =
(ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
if (requestAttributes != null) {
HttpSession session = requestAttributes.getRequest().getSession();
result = session.getAttribute(attributeName);
}
}
if (result == null) {
throw new InvalidSessionException("Error getting session attribute: " + attributeName);
} else {
return result;
}
}
public void invalidateSession() {
try {
releaseRecord();
} catch (RecordUnlockedException e) {
// do nothing
}
GraniteContext graniteContext = GraniteContext.getCurrentInstance();
if (graniteContext != null && graniteContext instanceof HttpGraniteContext) {
HttpGraniteContext httpGraniteContext = (HttpGraniteContext) graniteContext;
HttpServletRequest request = httpGraniteContext.getRequest();
HttpSession session = request.getSession();
session.invalidate();
}
}
@Override
protected ServiceException getServiceException(
Message request, Destination destination, String method, Throwable t) {
if (t == null) throw new NullPointerException("Parameter t cannot be null");
Map<String, Object> extendedData = new HashMap<String, Object>();
if (t instanceof ServiceException) {
((ServiceException) t).getExtendedData().putAll(extendedData);
return (ServiceException) t;
}
List<Throwable> causes = new ArrayList<Throwable>();
for (Throwable cause = t; cause != null; cause = getCause(cause)) causes.add(cause);
String detail =
"\n"
+ "- destination: "
+ (destination != null ? destination.getId() : "")
+ "\n"
+ "- method: "
+ method
+ "\n"
+ "- exception: "
+ t.toString()
+ "\n";
for (int i = causes.size() - 1; i >= 0; i--) {
Throwable cause = causes.get(i);
for (ExceptionConverter ec :
GraniteContext.getCurrentInstance().getGraniteConfig().getExceptionConverters()) {
if (ec.accepts(cause, t)) return ec.convert(cause, detail, extendedData);
}
}
if (getLogException()) log.error(t, "Could not process remoting message: %s", request);
// Default exception handler
ServiceException se =
new ServiceException(
t.getClass().getSimpleName() + ".Call.Failed", t.getMessage(), detail, t);
se.getExtendedData().putAll(extendedData);
return se;
}
@Test
public void testLazyLoading() {
TransactionDefinition def = new DefaultTransactionDefinition();
TransactionStatus tx = txManager.getTransaction(def);
Person person = new Person();
entityManager.persist(person);
txManager.commit(tx);
tx = txManager.getTransaction(def);
person = entityManager.find(Person.class, person.getId());
txManager.commit(tx);
Object result = initializeObject(person, new String[] {"contacts"});
ClassGetter classGetter =
GraniteContext.getCurrentInstance().getGraniteConfig().getClassGetter();
Assert.assertTrue(
"Collection initialized", classGetter.isInitialized(result, "contacts", null));
}
protected <C extends Channel> C createChannel(ChannelFactory<C> channelFactory, String clientId) {
C channel = null;
if (clientId != null) {
channel = getChannel(channelFactory, clientId);
if (channel != null) return channel;
}
String clientType = GraniteContext.getCurrentInstance().getClientType();
channel = channelFactory.newChannel(UUIDUtil.randomUUID(), clientType);
TimeChannel<C> timeChannel = new TimeChannel<C>(channel);
for (int i = 0; channels.putIfAbsent(channel.getId(), timeChannel) != null; i++) {
if (i >= 10)
throw new RuntimeException("Could not find random new clientId after 10 iterations");
channel.destroy(false);
channel = channelFactory.newChannel(UUIDUtil.randomUUID(), clientType);
timeChannel = new TimeChannel<C>(channel);
}
String channelId = channel.getId();
// Save channel id in distributed data (clustering).
try {
DistributedData gdd = graniteConfig.getDistributedDataFactory().getInstance();
if (gdd != null) {
log.debug("Saving channel id in distributed data: %s", channelId);
gdd.addChannelId(channelId, channelFactory.getClass().getName(), clientType);
}
} catch (Exception e) {
log.error(e, "Could not add channel id in distributed data: %s", channelId);
}
// Initialize timer task.
access(channelId);
return channel;
}
public boolean runReceived(AsyncHttpContext asyncHttpContext) {
boolean httpAsParam = (asyncHttpContext != null);
LinkedList<AsyncMessage> messages = null;
OutputStream os = null;
try {
receivedQueueLock.lock();
try {
// Do we have any pending messages?
if (receivedQueue.isEmpty()) return false;
// Do we have a valid http context?
if (asyncHttpContext == null) {
asyncHttpContext = acquireAsyncHttpContext();
if (asyncHttpContext == null) return false;
}
// Both conditions are ok, get all pending messages.
messages = receivedQueue;
receivedQueue = new LinkedList<AsyncMessage>();
} finally {
receivedQueueLock.unlock();
}
HttpServletRequest request = asyncHttpContext.getRequest();
HttpServletResponse response = asyncHttpContext.getResponse();
// Set response messages correlation ids to connect request message id.
String correlationId = asyncHttpContext.getConnectMessage().getMessageId();
AsyncMessage[] messagesArray = new AsyncMessage[messages.size()];
int i = 0;
for (AsyncMessage message : messages) {
message.setCorrelationId(correlationId);
messagesArray[i++] = message;
}
// Setup serialization context (thread local)
Gravity gravity = getGravity();
GraniteContext context =
HttpGraniteContext.createThreadIntance(
gravity.getGraniteConfig(), gravity.getServicesConfig(), null, request, response);
((AMFContextImpl) context.getAMFContext())
.setCurrentAmf3Message(asyncHttpContext.getConnectMessage());
// Write messages to response output stream.
response.setStatus(HttpServletResponse.SC_OK);
response.setContentType(AMF0Message.CONTENT_TYPE);
response.setDateHeader("Expire", 0L);
response.setHeader("Cache-Control", "no-store");
os = response.getOutputStream();
ObjectOutput amf3Serializer = context.getGraniteConfig().newAMF3Serializer(os);
log.debug("<< [MESSAGES for channel=%s] %s", this, messagesArray);
amf3Serializer.writeObject(messagesArray);
os.flush();
response.flushBuffer();
return true; // Messages were delivered, http context isn't valid anymore.
} catch (IOException e) {
log.warn(e, "Could not send messages to channel: %s (retrying later)", this);
GravityConfig gravityConfig = getGravity().getGravityConfig();
if (messages != null && gravityConfig.isRetryOnError()) {
receivedQueueLock.lock();
try {
if (receivedQueue.size() + messages.size()
> gravityConfig.getMaxMessagesQueuedPerChannel()) {
log.warn(
"Channel %s has reached its maximum queue capacity %s (throwing %s messages)",
this, gravityConfig.getMaxMessagesQueuedPerChannel(), messages.size());
} else receivedQueue.addAll(0, messages);
} finally {
receivedQueueLock.unlock();
}
}
return true; // Messages weren't delivered, but http context isn't valid anymore.
} finally {
// Cleanup serialization context (thread local)
try {
GraniteContext.release();
} catch (Exception e) {
// should never happen...
}
// Close output stream.
try {
if (os != null) {
try {
os.close();
} catch (IOException e) {
log.warn(e, "Could not close output stream (ignored)");
}
}
} finally {
// Cleanup http context (only if this method wasn't explicitly called with a non null
// AsyncHttpContext from the servlet).
if (!httpAsParam) releaseAsyncHttpContext(asyncHttpContext);
}
}
}
private Message handleSubscribeMessage(
final ChannelFactory<?> channelFactory,
final CommandMessage message,
final boolean saveMessageInSession) {
final GraniteContext context = GraniteContext.getCurrentInstance();
// Get and check destination.
final Destination destination =
context
.getServicesConfig()
.findDestinationById(message.getMessageRefType(), message.getDestination());
if (destination == null) return getInvalidDestinationError(message);
GravityInvocationContext invocationContext =
new GravityInvocationContext(message, destination) {
@Override
public Object invoke() throws Exception {
// Subscribe...
Channel channel = getChannel(channelFactory, (String) message.getClientId());
if (channel == null) return handleUnknownClientMessage(message);
String subscriptionId =
(String) message.getHeader(AsyncMessage.DESTINATION_CLIENT_ID_HEADER);
if (subscriptionId == null) {
subscriptionId = UUIDUtil.randomUUID();
message.setHeader(AsyncMessage.DESTINATION_CLIENT_ID_HEADER, subscriptionId);
}
DistributedData gdd = graniteConfig.getDistributedDataFactory().getInstance();
if (gdd != null) {
if (!gdd.hasChannelId(channel.getId())) {
gdd.addChannelId(
channel.getId(),
channel.getFactory().getClass().getName(),
context.getClientType());
log.debug("Stored channel %s in distributed data", channel.getId());
}
if (Boolean.TRUE
.toString()
.equals(destination.getProperties().get("session-selector"))) {
String selector = gdd.getDestinationSelector(destination.getId());
log.debug("Session selector found: %s", selector);
if (selector != null) message.setHeader(CommandMessage.SELECTOR_HEADER, selector);
}
}
ServiceAdapter adapter = adapterFactory.getServiceAdapter(message);
AsyncMessage reply = (AsyncMessage) adapter.manage(channel, message);
postManage(channel);
if (saveMessageInSession && !(reply instanceof ErrorMessage)) {
// Save subscription message in distributed data (clustering).
try {
if (gdd != null) {
log.debug(
"Saving new subscription message for channel: %s - %s",
channel.getId(), message);
gdd.addSubcription(channel.getId(), message);
}
} catch (Exception e) {
log.error(
e,
"Could not add subscription in distributed data: %s - %s",
channel.getId(),
subscriptionId);
}
}
reply.setDestination(message.getDestination());
reply.setClientId(channel.getId());
reply.getHeaders().putAll(message.getHeaders());
if (gdd != null && message.getDestination() != null) {
gdd.setDestinationClientId(message.getDestination(), channel.getId());
gdd.setDestinationSubscriptionId(message.getDestination(), subscriptionId);
}
return reply;
}
};
// Check security 1 (destination).
if (destination.getSecurizer() instanceof GravityDestinationSecurizer) {
try {
((GravityDestinationSecurizer) destination.getSecurizer()).canSubscribe(invocationContext);
} catch (Exception e) {
return new ErrorMessage(message, e);
}
}
// Check security 2 (security service).
GraniteConfig config = context.getGraniteConfig();
try {
if (config.hasSecurityService() && config.getSecurityService().acceptsContext())
return (Message) config.getSecurityService().authorize(invocationContext);
return (Message) invocationContext.invoke();
} catch (Exception e) {
return new ErrorMessage(message, e, true);
}
}
public void releaseThread() {
GraniteContext.release();
}
@After
public void tearDown() throws Exception {
interceptor.after(requestMessage, responseMessage);
GraniteContext.release();
}
public Message handleMessage(
final ChannelFactory<?> channelFactory, final Message message, boolean skipInterceptor) {
AMF3MessageInterceptor interceptor = null;
if (!skipInterceptor)
interceptor =
GraniteContext.getCurrentInstance().getGraniteConfig().getAmf3MessageInterceptor();
Message reply = null;
boolean publish = false;
try {
if (interceptor != null) interceptor.before(message);
if (message instanceof CommandMessage) {
CommandMessage command = (CommandMessage) message;
switch (command.getOperation()) {
case CommandMessage.LOGIN_OPERATION:
case CommandMessage.LOGOUT_OPERATION:
return handleSecurityMessage(command);
case CommandMessage.CLIENT_PING_OPERATION:
return handlePingMessage(channelFactory, command);
case CommandMessage.CONNECT_OPERATION:
return handleConnectMessage(channelFactory, command);
case CommandMessage.DISCONNECT_OPERATION:
return handleDisconnectMessage(channelFactory, command);
case CommandMessage.SUBSCRIBE_OPERATION:
return handleSubscribeMessage(channelFactory, command);
case CommandMessage.UNSUBSCRIBE_OPERATION:
return handleUnsubscribeMessage(channelFactory, command);
default:
throw new UnsupportedOperationException("Unsupported command operation: " + command);
}
}
reply = handlePublishMessage(channelFactory, (AsyncMessage) message);
publish = true;
} finally {
if (interceptor != null) interceptor.after(message, reply);
}
if (reply != null) {
GraniteContext context = GraniteContext.getCurrentInstance();
if (context.getSessionId() != null) {
reply.setHeader("org.granite.sessionId", context.getSessionId());
if (publish
&& context instanceof ServletGraniteContext
&& ((ServletGraniteContext) context).getSession(false) != null) {
long serverTime = new Date().getTime();
((ServletGraniteContext) context)
.getSession()
.setAttribute(GraniteContext.SESSION_LAST_ACCESSED_TIME_KEY, serverTime);
reply.setHeader("org.granite.time", serverTime);
reply.setHeader(
"org.granite.sessionExp",
((ServletGraniteContext) context).getSession().getMaxInactiveInterval());
}
}
}
return reply;
}
@Override
public List<Property> findOrderedFields(
final Class<?> clazz, boolean returnSettersWhenAvailable) {
List<Property> fields =
!dynamicClass
? (returnSettersWhenAvailable
? orderedSetterFields.get(clazz)
: orderedFields.get(clazz))
: null;
if (fields == null) {
if (dynamicClass) {
Introspector.flushFromCaches(clazz);
}
PropertyDescriptor[] propertyDescriptors = TypeUtil.getProperties(clazz);
Converters converters =
((ConvertersConfig) GraniteContext.getCurrentInstance().getGraniteConfig())
.getConverters();
fields = new ArrayList<Property>();
List<Property> idVersionFields = new ArrayList<Property>();
Set<String> allFieldNames = new HashSet<String>();
for (Class<?> c = clazz; c != null; c = c.getSuperclass()) {
List<Property> newFields = new ArrayList<Property>();
// Standard declared fields.
for (Field field : c.getDeclaredFields()) {
if (!allFieldNames.contains(field.getName())
&& !Modifier.isTransient(field.getModifiers())
&& !Modifier.isStatic(field.getModifiers())
&& !field.isAnnotationPresent(Exclude.class)
&& !GrailsExternalizer.isIgnored(field)) {
boolean found = false;
if (returnSettersWhenAvailable && propertyDescriptors != null) {
for (PropertyDescriptor pd : propertyDescriptors) {
if (pd.getName().equals(field.getName()) && pd.getWriteMethod() != null) {
if ("id".equals(field.getName()) || "version".equals(field.getName())) {
if (c == clazz) {
idVersionFields.add(
new MethodProperty(
converters,
field.getName(),
pd.getWriteMethod(),
pd.getReadMethod()));
}
} else {
newFields.add(
new MethodProperty(
converters, field.getName(), pd.getWriteMethod(), pd.getReadMethod()));
}
found = true;
break;
}
}
}
if (!found) {
if ("id".equals(field.getName()) || "version".equals(field.getName())) {
idVersionFields.add(new FieldProperty(converters, field));
} else {
newFields.add(new FieldProperty(converters, field));
}
}
}
allFieldNames.add(field.getName());
}
// Getter annotated by @ExternalizedProperty.
if (propertyDescriptors != null) {
for (PropertyDescriptor property : propertyDescriptors) {
Method getter = property.getReadMethod();
if (getter != null
&& getter.isAnnotationPresent(Include.class)
&& getter.getDeclaringClass().equals(c)
&& !allFieldNames.contains(property.getName())
&& !GrailsExternalizer.isIgnored(property)) {
newFields.add(new MethodProperty(converters, property.getName(), null, getter));
allFieldNames.add(property.getName());
}
}
}
if (isRoot(c)) {
newFields.addAll(idVersionFields);
}
Collections.sort(
newFields,
new Comparator<Property>() {
public int compare(Property o1, Property o2) {
return o1.getName().compareTo(o2.getName());
}
});
fields.addAll(0, newFields);
}
if (!dynamicClass) {
List<Property> previousFields =
(returnSettersWhenAvailable ? orderedSetterFields : orderedFields)
.putIfAbsent(clazz, fields);
if (previousFields != null) {
fields = previousFields;
}
}
}
return fields;
}
public boolean runReceived(AsyncHttpContext asyncHttpContext) {
GravityInternal gravity = getGravity();
if (asyncHttpContext != null && gravity.hasUdpReceiverFactory()) {
UdpReceiverFactory factory = gravity.getUdpReceiverFactory();
if (factory.isUdpConnectRequest(asyncHttpContext.getConnectMessage())) {
createUdpReceiver(factory, asyncHttpContext);
return true;
}
if (udpReceiver != null) {
if (!udpReceiver.isClosed()) udpReceiver.close(false);
udpReceiver = null;
}
}
boolean httpAsParam = (asyncHttpContext != null);
LinkedList<AsyncMessage> messages = null;
OutputStream os = null;
try {
receivedQueueLock.lock();
try {
// Do we have any pending messages?
if (receivedQueue.isEmpty()) return false;
// Do we have a valid http context?
if (asyncHttpContext == null) {
asyncHttpContext = acquireAsyncHttpContext();
if (asyncHttpContext == null) return false;
}
// Both conditions are ok, get all pending messages.
messages = receivedQueue;
receivedQueue = new LinkedList<AsyncMessage>();
} finally {
receivedQueueLock.unlock();
}
HttpServletRequest request = asyncHttpContext.getRequest();
HttpServletResponse response = asyncHttpContext.getResponse();
// Set response messages correlation ids to connect request message id.
String correlationId = asyncHttpContext.getConnectMessage().getMessageId();
AsyncMessage[] messagesArray = new AsyncMessage[messages.size()];
int i = 0;
for (AsyncMessage message : messages) {
message.setCorrelationId(correlationId);
messagesArray[i++] = message;
}
// Setup serialization context (thread local)
GraniteContext context =
HttpGraniteContext.createThreadIntance(
gravity.getGraniteConfig(), gravity.getServicesConfig(), null, request, response);
((AMFContextImpl) context.getAMFContext())
.setCurrentAmf3Message(asyncHttpContext.getConnectMessage());
// Write messages to response output stream.
GravityServletUtil.serialize(
gravity, response, messagesArray, ContentType.forMimeType(request.getContentType()));
return true; // Messages were delivered, http context isn't valid anymore.
} catch (ServletException e) {
log.error(e, "Configuration error for channel: %s", getId());
return true;
} catch (IOException e) {
log.warn(e, "Could not send messages to channel: %s (retrying later)", getId());
GravityConfig gravityConfig = getGravity().getGravityConfig();
if (gravityConfig.isRetryOnError()) {
receivedQueueLock.lock();
try {
if (receivedQueue.size() + messages.size()
> gravityConfig.getMaxMessagesQueuedPerChannel()) {
log.warn(
"Channel %s has reached its maximum queue capacity %s (throwing %s messages)",
getId(), gravityConfig.getMaxMessagesQueuedPerChannel(), messages.size());
} else receivedQueue.addAll(0, messages);
} finally {
receivedQueueLock.unlock();
}
}
return true; // Messages weren't delivered, but http context isn't valid anymore.
} finally {
// Cleanup serialization context (thread local)
try {
GraniteContext.release();
} catch (Exception e) {
// should never happen...
}
// Close output stream.
try {
if (os != null) {
try {
os.close();
} catch (IOException e) {
log.warn(e, "Could not close output stream (ignored)");
}
}
} finally {
// Cleanup http context (only if this method wasn't explicitly called with a non null
// AsyncHttpContext from the servlet).
if (!httpAsParam) releaseAsyncHttpContext(asyncHttpContext);
}
}
}
