protected void setUp() throws Exception {
super.setUp();
broker = new MessageBroker(false);
broker.initThreadLocals();
manager = new FlexClientManager(broker);
}
/**
* Unregisters all runtime MBeans that are registered in the same domain as the
* MessageBrokerControl for the target MessageBroker.
*
* @param broker The MessageBroker component that has been stopped.
*/
public static void unregisterRuntimeMBeans(MessageBroker broker) {
MBeanServer server = MBeanServerLocatorFactory.getMBeanServerLocator().getMBeanServer();
ObjectName brokerMBean = broker.getControl().getObjectName();
String domain = brokerMBean.getDomain();
try {
ObjectName pattern = new ObjectName(domain + ":*");
Set names = server.queryNames(pattern, null);
Iterator iter = names.iterator();
while (iter.hasNext()) {
ObjectName on = (ObjectName) iter.next();
server.unregisterMBean(on);
}
} catch (Exception e) {
// We're generally unregistering these during shutdown (possibly JVM shutdown)
// so there's nothing to really do here because we aren't guaranteed access to
// resources like system log files, localized messaging, etc.
}
}
/**
* Processes subscription related <code>CommandMessage</code>s. Subclasses that perform additional
* custom subscription management should invoke <code>super.manageSubscriptions()</code> if they
* choose to override this method.
*
* @param command The <code>CommandMessage</code> to process.
*/
protected Message manageSubscriptions(CommandMessage command) {
Message replyMessage = null;
MessageDestination destination = (MessageDestination) getDestination(command);
SubscriptionManager subscriptionManager = destination.getSubscriptionManager();
Object clientId = command.getClientId();
String endpointId = (String) command.getHeader(Message.ENDPOINT_HEADER);
String subtopicString = (String) command.getHeader(AsyncMessage.SUBTOPIC_HEADER_NAME);
ServiceAdapter adapter = destination.getAdapter();
if (command.getOperation() == CommandMessage.SUBSCRIBE_OPERATION) {
String selectorExpr = (String) command.getHeader(CommandMessage.SELECTOR_HEADER);
getMessageBroker().inspectChannel(command, destination);
// Give MessagingAdapter a chance to block the subscribe.
if ((adapter instanceof MessagingAdapter)) {
MessagingSecurityConstraintManager manager =
((MessagingAdapter) adapter).getSecurityConstraintManager();
if (manager != null) manager.assertSubscribeAuthorization();
}
try {
/*
* This allows parallel add/remove subscribe calls (protected by the
* concurrent hash table) but prevents us from doing any table mods
* when the getSubscriptionState method is active
*/
subscribeLock.readLock().lock();
if (adapter.handlesSubscriptions()) {
replyMessage = (Message) adapter.manage(command);
} else {
testSelector(selectorExpr, command);
}
/*
* Even if the adapter is managing the subscription, we still need to
* register this with the subscription manager so that we can match the
* endpoint with the clientId. I am not sure I like this though because
* now the subscription is registered both with the adapter and with our
* system so keeping them in sync is potentially problematic. Also, it
* seems like the adapter should have the option to manage endpoints themselves?
*/
// Extract the maxFrequency that might have been specified by the client.
int maxFrequency = processMaxFrequencyHeader(command);
subscriptionManager.addSubscriber(
clientId, selectorExpr, subtopicString, endpointId, maxFrequency);
} finally {
subscribeLock.readLock().unlock();
}
if (replyMessage == null) replyMessage = new AcknowledgeMessage();
} else if (command.getOperation() == CommandMessage.UNSUBSCRIBE_OPERATION) {
// Give MessagingAdapter a chance to block the unsubscribe, as long as
// the subscription has not been invalidated.
if ((adapter instanceof MessagingAdapter)
&& command.getHeader(CommandMessage.SUBSCRIPTION_INVALIDATED_HEADER) == null) {
MessagingSecurityConstraintManager manager =
((MessagingAdapter) adapter).getSecurityConstraintManager();
if (manager != null) manager.assertSubscribeAuthorization();
}
String selectorExpr = (String) command.getHeader(CommandMessage.SELECTOR_HEADER);
try {
subscribeLock.readLock().lock();
if (adapter.handlesSubscriptions()) {
replyMessage = (Message) adapter.manage(command);
}
subscriptionManager.removeSubscriber(clientId, selectorExpr, subtopicString, endpointId);
} finally {
subscribeLock.readLock().unlock();
}
if (replyMessage == null) replyMessage = new AcknowledgeMessage();
} else if (command.getOperation() == CommandMessage.MULTI_SUBSCRIBE_OPERATION) {
getMessageBroker().inspectChannel(command, destination);
// Give MessagingAdapter a chance to block the multi subscribe.
if ((adapter instanceof MessagingAdapter)) {
MessagingSecurityConstraintManager manager =
((MessagingAdapter) adapter).getSecurityConstraintManager();
if (manager != null) manager.assertSubscribeAuthorization();
}
try {
/*
* This allows parallel add/remove subscribe calls (protected by the
* concurrent hash table) but prevents us from doing any table mods
* when the getSubscriptionState method is active
*/
subscribeLock.readLock().lock();
if (adapter.handlesSubscriptions()) {
replyMessage = (Message) adapter.manage(command);
}
// Deals with legacy collection setting
Object[] adds =
getObjectArrayFromHeader(command.getHeader(CommandMessage.ADD_SUBSCRIPTIONS));
Object[] rems =
getObjectArrayFromHeader(command.getHeader(CommandMessage.REMOVE_SUBSCRIPTIONS));
if (adds != null) {
// Extract the maxFrequency that might have been specified
// by the client for every subscription (selector/subtopic).
int maxFrequency = processMaxFrequencyHeader(command);
for (int i = 0; i < adds.length; i++) {
// Use the maxFrequency by default.
int maxFrequencyPerSubscription = maxFrequency;
String ss = (String) adds[i];
int ix = ss.indexOf(CommandMessage.SUBTOPIC_SEPARATOR);
if (ix != -1) {
String subtopic = (ix == 0 ? null : ss.substring(0, ix));
String selector = null;
String selectorAndMaxFrequency =
ss.substring(ix + CommandMessage.SUBTOPIC_SEPARATOR.length());
if (selectorAndMaxFrequency.length() != 0) {
int ix2 = selectorAndMaxFrequency.indexOf(CommandMessage.SUBTOPIC_SEPARATOR);
if (ix2 != -1) {
selector = (ix2 == 0 ? null : selectorAndMaxFrequency.substring(0, ix2));
String maxFrequencyString =
selectorAndMaxFrequency.substring(
ix2 + CommandMessage.SUBTOPIC_SEPARATOR.length());
if (maxFrequencyString.length() != 0) {
// Choose the minimum of Consumer level maxFrequency and subscription level
// maxFrequency.
int maxFrequencyCandidate = Integer.parseInt(maxFrequencyString);
maxFrequencyPerSubscription =
maxFrequencyPerSubscription == 0
? maxFrequencyCandidate
: Math.min(maxFrequencyPerSubscription, maxFrequencyCandidate);
}
}
}
subscriptionManager.addSubscriber(
clientId, selector, subtopic, endpointId, maxFrequencyPerSubscription);
}
// invalid message
}
}
if (rems != null) {
for (int i = 0; i < rems.length; i++) {
String ss = (String) rems[i];
int ix = ss.indexOf(CommandMessage.SUBTOPIC_SEPARATOR);
if (ix != -1) {
String subtopic = (ix == 0 ? null : ss.substring(0, ix));
String selector = null;
String selectorAndMaxFrequency =
ss.substring(ix + CommandMessage.SUBTOPIC_SEPARATOR.length());
if (selectorAndMaxFrequency.length() != 0) {
int ix2 = selectorAndMaxFrequency.indexOf(CommandMessage.SUBTOPIC_SEPARATOR);
if (ix2 != -1)
selector = ix2 == 0 ? null : selectorAndMaxFrequency.substring(0, ix2);
}
subscriptionManager.removeSubscriber(clientId, selector, subtopic, endpointId);
}
}
}
} finally {
subscribeLock.readLock().unlock();
}
if (replyMessage == null) replyMessage = new AcknowledgeMessage();
} else if (command.getOperation() == CommandMessage.POLL_OPERATION) {
// This code path handles poll messages sent by Consumer.receive().
// This API should not trigger server side waits, so we invoke poll
// and if there are no queued messages for this Consumer instance we
// return an empty acknowledgement immediately.
MessageClient client = null;
try {
client = subscriptionManager.getMessageClient(clientId, endpointId);
if (client != null) {
if (adapter.handlesSubscriptions()) {
List missedMessages = (List) adapter.manage(command);
if (missedMessages != null && !missedMessages.isEmpty()) {
MessageBroker broker = getMessageBroker();
for (Iterator iter = missedMessages.iterator(); iter.hasNext(); )
broker.routeMessageToMessageClient((Message) iter.next(), client);
}
}
FlushResult flushResult = client.getFlexClient().poll(client);
List messagesToReturn = (flushResult != null) ? flushResult.getMessages() : null;
if (messagesToReturn != null && !messagesToReturn.isEmpty()) {
replyMessage = new CommandMessage(CommandMessage.CLIENT_SYNC_OPERATION);
replyMessage.setBody(messagesToReturn.toArray());
} else {
replyMessage = new AcknowledgeMessage();
}
// Adaptive poll wait is never used in responses to Consumer.receive() calls.
} else {
ServiceException se = new ServiceException();
se.setCode(NOT_SUBSCRIBED_CODE);
se.setMessage(NOT_SUBSCRIBED, new Object[] {destination.getId()});
throw se;
}
} finally {
subscriptionManager.releaseMessageClient(client);
}
} else {
ServiceException se = new ServiceException();
se.setMessage(UNKNOWN_COMMAND, new Object[] {new Integer(command.getOperation())});
throw se;
}
return replyMessage;
}
/**
* This method is invoked to allow the <code>MessageService</code> to instantiate and register its
* MBean control.
*
* @param broker The <code>MessageBroker</code> to pass to the <code>MessageServiceControl</code>
* constructor.
*/
@Override
protected void setupServiceControl(MessageBroker broker) {
controller = new MessageServiceControl(this, broker.getControl());
controller.register();
setControl(controller);
}
public String getDestinations(String messageBrokerId) {
StringBuilder result = new StringBuilder();
MessageBroker broker = MessageBroker.getMessageBroker(messageBrokerId);
result.append("<remotingDestinations>");
if (broker != null) {
Service remotingService = broker.getServiceByType("flex.messaging.services.RemotingService");
if (remotingService != null) {
Map destinations = remotingService.getDestinations();
Iterator destinationsIterator = destinations.keySet().iterator();
result.append("<destinations>");
if (destinationsIterator != null) {
while (destinationsIterator.hasNext()) {
RemotingDestination destination =
(RemotingDestination) destinations.get(destinationsIterator.next());
if (destination != null) {
result.append("<destination>");
result.append(
(new StringBuilder("<destinationId>"))
.append(destination.getId())
.append("</destinationId>")
.toString());
result.append(
(new StringBuilder("<adapterName>"))
.append(destination.getAdapter().getClass().getName())
.append("</adapterName>")
.toString());
result.append(
(new StringBuilder("<source>"))
.append(destination.getSource())
.append("</source>")
.toString());
List channelIds = destination.getChannels();
Iterator channelIdsIterator = channelIds.iterator();
result.append("<channels>");
for (;
channelIdsIterator.hasNext();
result.append(
(new StringBuilder("<channel>"))
.append((String) channelIdsIterator.next())
.append("</channel>")
.toString())) ;
result.append("</channels>");
SecurityConstraint secConstraint = destination.getSecurityConstraint();
result.append("<securityConstraint>");
if (secConstraint != null) {
result.append(
(new StringBuilder("<securityMethod>"))
.append(secConstraint.getMethod())
.append("</securityMethod>")
.toString());
result.append(
(new StringBuilder("<securityRoles>"))
.append(secConstraint.getRoles())
.append("</securityRoles>")
.toString());
}
result.append("</securityConstraint>");
String className = destination.getSource();
if (className != null)
try {
Class c = Class.forName("com.adams.dt.util.Abstract");
Field fields[] = c.getFields();
result.append("<fields>");
if (fields != null) {
for (int i = 0; i < fields.length; i++)
result.append(
(new StringBuilder("<field>"))
.append(fields[i].toString())
.append("</field>")
.toString());
}
result.append("</fields>");
Method methods[] = c.getMethods();
result.append("<methods>");
if (methods != null) {
for (int i = 0; i < methods.length; i++)
if (methods[i] != null && !methodsExclude.contains(methods[i].getName())) {
result.append("<method>");
result.append(
(new StringBuilder("<methodSignature>"))
.append(methods[i].toString())
.append("</methodSignature>")
.toString());
result.append(
(new StringBuilder("<methodName>"))
.append(methods[i].getName())
.append("</methodName>")
.toString());
result.append(
(new StringBuilder("<returnType>"))
.append(methods[i].getReturnType().getName())
.append("</returnType>")
.toString());
Class paramClasses[] = methods[i].getParameterTypes();
result.append("<params>");
if (paramClasses != null) {
for (int j = 0; j < paramClasses.length; j++)
if (paramClasses[j] != null)
result.append(
(new StringBuilder("<param>"))
.append(paramClasses[j].getName())
.append("</param>")
.toString());
}
result.append("</params>");
result.append("</method>");
}
}
result.append("</methods>");
} catch (ClassNotFoundException e) {
System.out.println(e.getMessage());
}
result.append("</destination>");
}
}
result.append("</destinations>");
}
}
}
result.append("</remotingDestinations>");
return result.toString();
}
