void filterServiceEventReceivers(
final ServiceEvent evt, final Collection /*<ServiceListenerEntry>*/ receivers) {
ArrayList srl = fwCtx.services.get(EventHook.class.getName());
if (srl != null) {
HashSet ctxs = new HashSet();
for (Iterator ir = receivers.iterator(); ir.hasNext(); ) {
ctxs.add(((ServiceListenerEntry) ir.next()).getBundleContext());
}
int start_size = ctxs.size();
RemoveOnlyCollection filtered = new RemoveOnlyCollection(ctxs);
for (Iterator i = srl.iterator(); i.hasNext(); ) {
ServiceReferenceImpl sr = ((ServiceRegistrationImpl) i.next()).reference;
EventHook eh = (EventHook) sr.getService(fwCtx.systemBundle);
if (eh != null) {
try {
eh.event(evt, filtered);
} catch (Exception e) {
fwCtx.debug.printStackTrace(
"Failed to call event hook #" + sr.getProperty(Constants.SERVICE_ID), e);
}
}
}
// NYI, refactor this for speed!?
if (start_size != ctxs.size()) {
for (Iterator ir = receivers.iterator(); ir.hasNext(); ) {
if (!ctxs.contains(((ServiceListenerEntry) ir.next()).getBundleContext())) {
ir.remove();
}
}
}
}
}
void filterServiceReferences(
BundleContextImpl bc,
String service,
String filter,
boolean allServices,
Collection /*<ServiceReference>*/ refs) {
ArrayList srl = fwCtx.services.get(FindHook.class.getName());
if (srl != null) {
RemoveOnlyCollection filtered = new RemoveOnlyCollection(refs);
for (Iterator i = srl.iterator(); i.hasNext(); ) {
ServiceReferenceImpl sr = ((ServiceRegistrationImpl) i.next()).reference;
FindHook fh = (FindHook) sr.getService(fwCtx.systemBundle);
if (fh != null) {
try {
fh.find(bc, service, filter, allServices, filtered);
} catch (Exception e) {
fwCtx.listeners.frameworkError(
bc,
new BundleException(
"Failed to call find hook #" + sr.getProperty(Constants.SERVICE_ID), e));
}
}
}
}
}