/**
* @param serviceID
* @return
*/
static RemoteServiceRegistration getServiceRegistration(final String serviceID) {
final String filter =
"".equals(serviceID)
? null
: '(' //$NON-NLS-1$
+ Constants.SERVICE_ID
+ "="
+ serviceID
+ ")"; //$NON-NLS-1$ //$NON-NLS-2$
try {
final ServiceReference[] refs =
RemoteOSGiActivator.getActivator().getContext().getServiceReferences(null, filter);
if (refs == null) {
if (log != null) {
log.log(LogService.LOG_WARNING, "COULD NOT FIND " + filter); // $NON-NLS-1$
}
return null;
}
return (RemoteServiceRegistration) serviceRegistrations.get(refs[0]);
} catch (final InvalidSyntaxException e) {
e.printStackTrace();
return null;
}
}
protected Component getContent(MPart mPart) {
BundleContext context = getBundleContext();
String id = getServiceID(mPart);
try {
String filter = String.format("(%s=%s)", IOutlineViewProvider.PROPERTY, id);
Collection<ServiceReference<IOutlineViewProvider>> services =
context.getServiceReferences(IOutlineViewProvider.class, filter);
if (!services.isEmpty()) {
ServiceReference<IOutlineViewProvider> ref = services.iterator().next();
IOutlineViewProvider service = context.getService(ref);
if (service != null) {
try {
return service.getOutlineContent(mPart);
} finally {
getBundleContext().ungetService(ref);
}
}
}
} catch (InvalidSyntaxException e) {
e.printStackTrace();
}
return null;
}
private NetworkChannelFactory getNetworkChannelFactory(final String protocol)
throws RemoteOSGiException {
try {
final Filter filter =
RemoteOSGiActivator.getActivator()
.getContext()
.createFilter(
"(" //$NON-NLS-1$
+ NetworkChannelFactory.PROTOCOL_PROPERTY
+ "="
+ protocol //$NON-NLS-1$
+ ")"); //$NON-NLS-1$
final ServiceReference[] refs = networkChannelFactoryTracker.getServiceReferences();
if (refs != null) {
for (int i = 0; i < refs.length; i++) {
if (filter.match(refs[i])) {
return (NetworkChannelFactory) networkChannelFactoryTracker.getService(refs[i]);
}
}
}
throw new RemoteOSGiException(
"No NetworkChannelFactory for " //$NON-NLS-1$
+ protocol
+ " found."); //$NON-NLS-1$
} catch (final InvalidSyntaxException e) {
// does not happen
e.printStackTrace();
return null;
}
}
private void scanForExistingHandlers() {
try {
final ServiceReference<?>[] allServiceReferences =
this.bundleContext.getAllServiceReferences("org.vertx.java.core.Handler", null);
if (allServiceReferences != null) {
for (final ServiceReference<?> serviceReference : allServiceReferences) {
registerHandlerIfNecessary(serviceReference);
}
}
} catch (final InvalidSyntaxException e) {
e.printStackTrace();
}
}
/** mapping rule: LDAP filter --> output value the more specific filters should be given first. */
public void initialize(BundleContext ctx, String[][] mappingRules) {
filters = new Filter[mappingRules.length];
outputStrings = new String[mappingRules.length];
for (int i = 0; i < mappingRules.length; i++) {
try {
filters[i] = ctx.createFilter(mappingRules[i][0]);
outputStrings[i] = mappingRules[i][1];
} catch (InvalidSyntaxException e) {
// TODO Neeed to process this
e.printStackTrace();
}
}
}
@SuppressWarnings("rawtypes")
private Set<ServiceReference<?>> findHandlerRefs(final int portNumber, final String filter) {
final Set<ServiceReference<?>> result = new HashSet<ServiceReference<?>>();
try {
final Collection<ServiceReference<Handler>> refs =
this.bundleContext.getServiceReferences(Handler.class, filter);
for (final ServiceReference<Handler> ref : refs) {
if (portNumber == getHandlerPortNumber(ref)) {
result.add(ref);
}
}
} catch (final InvalidSyntaxException e) {
// Should never happen
e.printStackTrace();
}
return result;
}
/**
* @param ref the <code>RemoteServiceReference</code> to the service.
* @return the service reference of the service (or service proxy) or <code>null</code> if the
* service is not (yet) present.
* @see
* ch.ethz.iks.r_osgi.RemoteOSGiService#getFetchedServiceReference(ch.ethz.iks.r_osgi.RemoteServiceReference)
* @category RemoteOSGiService
* @since 0.6
*/
private ServiceReference getFetchedServiceReference(final RemoteServiceReference ref) {
try {
final ServiceReference[] refs =
RemoteOSGiActivator.getActivator()
.getContext()
.getServiceReferences(
ref.getServiceInterfaces()[0],
"(" //$NON-NLS-1$
+ SERVICE_URI
+ "="
+ ref.getURI()
+ ")"); //$NON-NLS-1$ //$NON-NLS-2$
if (refs != null) {
return refs[0];
}
} catch (final InvalidSyntaxException doesNotHappen) {
doesNotHappen.printStackTrace();
}
return null;
}
/**
* @see ch.ethz.iks.r_osgi.RemoteOSGiService#getRemoteServiceReferences(ch.ethz.iks.r_osgi.URI,
* java.lang.String, org.osgi.framework.Filter)
*/
public RemoteServiceReference[] getRemoteServiceReferences(
final URI service, final String clazz, final Filter filter) {
final String uri = getChannelURI(service);
ChannelEndpointImpl channel = (ChannelEndpointImpl) channels.get(uri);
if (channel == null) {
try {
connect(service);
channel = (ChannelEndpointImpl) channels.get(uri);
} catch (final IOException ioe) {
throw new RemoteOSGiException("Cannot connect to " + uri); // $NON-NLS-1$
}
}
if (clazz == null) {
return channel.getAllRemoteReferences(null);
}
try {
return channel.getAllRemoteReferences(
RemoteOSGiActivator.getActivator()
.getContext()
.createFilter(
filter != null
? "(&"
+ filter
+ "(" //$NON-NLS-1$ //$NON-NLS-2$
+ Constants.OBJECTCLASS
+ "="
+ clazz
+ "))"
: "(" //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+ Constants.OBJECTCLASS
+ "="
+ clazz
+ ")")); //$NON-NLS-1$ //$NON-NLS-2$
} catch (final InvalidSyntaxException ise) {
ise.printStackTrace();
return null;
}
}
private void setupTrackers(final BundleContext context) throws IOException {
// initialize service trackers
eventAdminTracker = new ServiceTracker(context, EventAdmin.class.getName(), null);
eventAdminTracker.open();
if (eventAdminTracker.getTrackingCount() == 0 && log != null) {
log.log(
LogService.LOG_WARNING,
"NO EVENT ADMIN FOUND. REMOTE EVENT DELIVERY TEMPORARILY DISABLED."); //$NON-NLS-1$
}
try {
eventHandlerTracker =
new ServiceTracker(
context,
context.createFilter(
"(&("
+ Constants.OBJECTCLASS
+ "=" //$NON-NLS-1$ //$NON-NLS-2$
+ EventHandler.class.getName()
+ ")(!(" //$NON-NLS-1$
+ R_OSGi_INTERNAL
+ "=*)))"), //$NON-NLS-1$
new ServiceTrackerCustomizer() {
public Object addingService(final ServiceReference reference) {
final String[] theTopics =
(String[]) reference.getProperty(EventConstants.EVENT_TOPIC);
final LeaseUpdateMessage lu = new LeaseUpdateMessage();
lu.setType(LeaseUpdateMessage.TOPIC_UPDATE);
lu.setServiceID(""); // $NON-NLS-1$
lu.setPayload(new Object[] {theTopics, null});
updateLeases(lu);
return Arrays.asList(theTopics);
}
public void modifiedService(
final ServiceReference reference, final Object oldTopics) {
final List oldTopicList = (List) oldTopics;
final List newTopicList =
Arrays.asList((String[]) reference.getProperty(EventConstants.EVENT_TOPIC));
final Collection removed =
CollectionUtils.rightDifference(newTopicList, oldTopicList);
final Collection added =
CollectionUtils.leftDifference(newTopicList, oldTopicList);
final String[] addedTopics = (String[]) added.toArray(new String[removed.size()]);
final String[] removedTopics = (String[]) removed.toArray(addedTopics);
oldTopicList.removeAll(removed);
oldTopicList.addAll(added);
final LeaseUpdateMessage lu = new LeaseUpdateMessage();
lu.setType(LeaseUpdateMessage.TOPIC_UPDATE);
lu.setServiceID(""); // $NON-NLS-1$
lu.setPayload(new Object[] {addedTopics, removedTopics});
updateLeases(lu);
}
public void removedService(
final ServiceReference reference, final Object oldTopics) {
final List oldTopicsList = (List) oldTopics;
final String[] removedTopics =
(String[]) oldTopicsList.toArray(new String[oldTopicsList.size()]);
final LeaseUpdateMessage lu = new LeaseUpdateMessage();
lu.setType(LeaseUpdateMessage.TOPIC_UPDATE);
lu.setServiceID(""); // $NON-NLS-1$
lu.setPayload(new Object[] {null, removedTopics});
updateLeases(lu);
}
});
eventHandlerTracker.open();
if (DEBUG) {
log.log(
LogService.LOG_DEBUG,
"Local topic space " //$NON-NLS-1$
+ Arrays.asList(getTopics()));
}
remoteServiceListenerTracker =
new ServiceTracker(context, RemoteServiceListener.class.getName(), null);
remoteServiceListenerTracker.open();
serviceDiscoveryHandlerTracker =
new ServiceTracker(
context,
ServiceDiscoveryHandler.class.getName(),
new ServiceTrackerCustomizer() {
public Object addingService(final ServiceReference reference) {
// register all known services for discovery
final ServiceDiscoveryHandler handler =
(ServiceDiscoveryHandler) context.getService(reference);
final RemoteServiceRegistration[] regs =
(RemoteServiceRegistration[])
serviceRegistrations
.values()
.toArray(new RemoteServiceRegistration[serviceRegistrations.size()]);
for (int i = 0; i < regs.length; i++) {
handler.registerService(
regs[i].getReference(),
regs[i].getProperties(),
URI.create(
"r-osgi://" //$NON-NLS-1$
+ RemoteOSGiServiceImpl.MY_ADDRESS
+ ":" //$NON-NLS-1$
+ RemoteOSGiServiceImpl.R_OSGI_PORT
+ "#" //$NON-NLS-1$
+ regs[i].getServiceID()));
}
return handler;
}
public void modifiedService(
final ServiceReference reference, final Object service) {}
public void removedService(
final ServiceReference reference, final Object service) {}
});
serviceDiscoveryHandlerTracker.open();
remoteServiceTracker =
new ServiceTracker(
context,
context.createFilter(
"(" //$NON-NLS-1$
+ RemoteOSGiService.R_OSGi_REGISTRATION
+ "=*)"),
new ServiceTrackerCustomizer() { //$NON-NLS-1$
public Object addingService(final ServiceReference reference) {
// FIXME: Surrogates have to be monitored
// separately!!!
final ServiceReference service =
Arrays.asList((String[]) reference.getProperty(Constants.OBJECTCLASS))
.contains(SurrogateRegistration.class.getName())
? (ServiceReference)
reference.getProperty(SurrogateRegistration.SERVICE_REFERENCE)
: reference;
try {
final RemoteServiceRegistration reg =
new RemoteServiceRegistration(reference, service);
if (log != null) {
log.log(
LogService.LOG_INFO,
"REGISTERING " //$NON-NLS-1$
+ reference
+ " AS PROXIED SERVICES"); //$NON-NLS-1$
}
serviceRegistrations.put(service, reg);
registerWithServiceDiscovery(reg);
final LeaseUpdateMessage lu = new LeaseUpdateMessage();
lu.setType(LeaseUpdateMessage.SERVICE_ADDED);
lu.setServiceID(String.valueOf(reg.getServiceID()));
lu.setPayload(new Object[] {reg.getInterfaceNames(), reg.getProperties()});
updateLeases(lu);
return service;
} catch (final ClassNotFoundException e) {
e.printStackTrace();
throw new RemoteOSGiException("Cannot find class " + service, e); // $NON-NLS-1$
}
}
public void modifiedService(
final ServiceReference reference, final Object service) {
if (reference.getProperty(R_OSGi_REGISTRATION) == null) {
removedService(reference, service);
return;
}
final RemoteServiceRegistration reg =
(RemoteServiceRegistration) serviceRegistrations.get(reference);
unregisterFromServiceDiscovery(reg);
registerWithServiceDiscovery(reg);
final LeaseUpdateMessage lu = new LeaseUpdateMessage();
lu.setType(LeaseUpdateMessage.SERVICE_MODIFIED);
lu.setServiceID(String.valueOf(reg.getServiceID()));
lu.setPayload(new Object[] {null, reg.getProperties()});
updateLeases(lu);
}
public void removedService(final ServiceReference reference, final Object service) {
final ServiceReference sref =
Arrays.asList((String[]) reference.getProperty(Constants.OBJECTCLASS))
.contains(SurrogateRegistration.class.getName())
? (ServiceReference)
reference.getProperty(SurrogateRegistration.SERVICE_REFERENCE)
: reference;
final RemoteServiceRegistration reg =
(RemoteServiceRegistration) serviceRegistrations.remove(sref);
unregisterFromServiceDiscovery(reg);
final LeaseUpdateMessage lu = new LeaseUpdateMessage();
lu.setType(LeaseUpdateMessage.SERVICE_REMOVED);
lu.setServiceID(String.valueOf(reg.getServiceID()));
lu.setPayload(new Object[] {null, null});
updateLeases(lu);
}
});
remoteServiceTracker.open();
networkChannelFactoryTracker =
new ServiceTracker(
context,
context.createFilter(
"("
+ Constants.OBJECTCLASS
+ "=" //$NON-NLS-1$ //$NON-NLS-2$
+ NetworkChannelFactory.class.getName()
+ ")"),
new ServiceTrackerCustomizer() { //$NON-NLS-1$
public Object addingService(final ServiceReference reference) {
final NetworkChannelFactory factory =
(NetworkChannelFactory) context.getService(reference);
try {
factory.activate(RemoteOSGiServiceImpl.this);
} catch (final IOException ioe) {
if (log != null) {
log.log(LogService.LOG_ERROR, ioe.getMessage(), ioe);
}
}
return factory;
}
public void modifiedService(
final ServiceReference reference, final Object factory) {}
public void removedService(
final ServiceReference reference, final Object factory) {}
});
networkChannelFactoryTracker.open();
} catch (final InvalidSyntaxException ise) {
ise.printStackTrace();
}
}
