private BundleContext bundleContextOfCommand(final Class<Object> implementationClass) {
for (final BeanEntry<Annotation, Injector> beanEntry :
beanLocator.locate(Key.get(Injector.class))) {
final Injector injector = beanEntry.getValue();
try {
injector.getBinding(implementationClass);
// if we passed above it means that injector is the one for the implementation class
return injector.getInstance(BundleContext.class);
} catch (ConfigurationException ignore) {
}
}
return null;
}
private void registerFunction(final BeanEntry<Annotation, Object> beanEntry) {
final Class<Object> implementationClass = beanEntry.getImplementationClass();
final BindingProcessor processor = getBindingProcessor(implementationClass);
if (processor != null) {
final FunctionDescriptor descriptor = processor.process(beanEntry);
final Properties commandProperties = new Properties();
commandProperties.setProperty("osgi.command.scope", descriptor.getScope());
commandProperties.setProperty("osgi.command.function", descriptor.getName());
commandProperties.setProperty("implementationClass", implementationClass.getName());
final BundleContext commandBundleContext = bundleContextOfCommand(implementationClass);
if (commandBundleContext != null) {
final ServiceRegistration serviceRegistration =
commandBundleContext.registerService(
new String[] {Function.class.getName(), CompletableFunction.class.getName()},
descriptor.getFunction(),
commandProperties);
commands.put(
beanEntry,
new Holder(descriptor.getScope(), descriptor.getName(), serviceRegistration));
}
logger.debug(
"Registered command '{}' in scope '{}'", descriptor.getName(), descriptor.getScope());
}
}