private MetaTypeProviderWrapper[] getMetaTypeProviders() {
Map<ServiceReference<Object>, Object> services = _tracker.getTracked();
if (services.isEmpty()) return new MetaTypeProviderWrapper[0];
Set<ServiceReference<Object>> serviceReferences = services.keySet();
Set<MetaTypeProviderWrapper> result = new HashSet<MetaTypeProviderWrapper>();
for (ServiceReference<Object> serviceReference : serviceReferences) {
if (serviceReference.getBundle() == _bundle) {
Object service = services.get(serviceReference);
// If the service is not a MetaTypeProvider, we're not interested in it.
if (service instanceof MetaTypeProvider) {
// Include the METATYPE_PID, if present, to return as part of getPids(). Also, include the
// METATYPE_FACTORY_PID, if present, to return as part of getFactoryPids().
// The filter ensures at least one of these properties was set for a standalone
// MetaTypeProvider.
addMetaTypeProviderWrappers(
MetaTypeProvider.METATYPE_PID,
serviceReference,
(MetaTypeProvider) service,
false,
result);
addMetaTypeProviderWrappers(
MetaTypeProvider.METATYPE_FACTORY_PID,
serviceReference,
(MetaTypeProvider) service,
true,
result);
// If the service is a ManagedService, include the SERVICE_PID to return as part of
// getPids().
// The filter ensures the SERVICE_PID property was set.
if (service instanceof ManagedService) {
addMetaTypeProviderWrappers(
Constants.SERVICE_PID, serviceReference, (MetaTypeProvider) service, false, result);
}
// If the service is a ManagedServiceFactory, include the SERVICE_PID to return as part of
// getFactoryPids().
// The filter ensures the SERVICE_PID property was set.
else if (service instanceof ManagedServiceFactory) {
addMetaTypeProviderWrappers(
Constants.SERVICE_PID, serviceReference, (MetaTypeProvider) service, true, result);
}
}
}
}
return result.toArray(new MetaTypeProviderWrapper[result.size()]);
}
private void addMetaTypeProviderWrappers(
String servicePropertyName,
ServiceReference<Object> serviceReference,
MetaTypeProvider service,
boolean factory,
Set<MetaTypeProviderWrapper> wrappers) {
String[] pids =
getStringProperty(servicePropertyName, serviceReference.getProperty(servicePropertyName));
for (String pid : pids) {
wrappers.add(new MetaTypeProviderWrapper(service, pid, factory));
}
}