/** {@inheritDoc} */
@Override
public <T extends Extension> void registerExtension(Class<T> extensionItf, T extensionImpl) {
List<Object> list = extensionsCollector.get(extensionItf);
if (list == null) {
list = new ArrayList<>();
extensionsCollector.put(extensionItf, list);
}
list.add(extensionImpl);
}
/** @return Map extension interface to array of implementation. */
public Map<Class<?>, Object[]> createExtensionMap() {
Map<Class<?>, Object[]> extensions = new HashMap<>(extensionsCollector.size() * 2, 0.5f);
for (Map.Entry<Class<?>, List<Object>> entry : extensionsCollector.entrySet()) {
Class<?> extensionItf = entry.getKey();
List<Object> implementations = entry.getValue();
Object[] implArr = (Object[]) Array.newInstance(extensionItf, implementations.size());
implArr = implementations.toArray(implArr);
extensions.put(extensionItf, implArr);
}
return extensions;
}