@SuppressWarnings({"unchecked"})
public ConfigurationLoader(Object context) {
caches = Iterators.asList(ServiceLoader.load(ConfigurationCacheProvider.class));
Collections.sort(caches, new WeightedComparator());
providers = Iterators.asList(ServiceLoader.load(ConfigurationProvider.class));
Collections.sort(providers, new WeightedComparator());
}
@SuppressWarnings("unchecked")
ConfigurationRuleBuilder(final ConfigurationBuilder config, final RuleBuilder rule) {
this.interceptors =
Iterators.asList(ServiceLoader.load(ConfigurationRuleBuilderInterceptor.class));
this.wrapped = config;
this.rule = rule;
}
@SuppressWarnings({"rawtypes", "unchecked"})
public ParserContext(ConfigurationBuilder builder) {
List<ElementHandler> loadedHandlers =
Iterators.asList(ServiceLoader.load(ElementHandler.class));
for (ElementHandler handler : loadedHandlers) {
NamespaceElementHandler annotation =
Annotations.getAnnotation(handler.getClass(), NamespaceElementHandler.class);
if (annotation != null) {
handlers.put(new HandlerId(annotation.namespace(), annotation.elementName()), handler);
}
}
this.builder = builder;
}
/**
* Called one by {@link #getAdapterFactory()} to obtain the {@link LogAdapterFactory} with the
* highest priority.
*/
@SuppressWarnings("unchecked")
private static LogAdapterFactory createAdapterFactory() {
List<LogAdapterFactory> factories =
Iterators.asList(ServiceLoader.load(LogAdapterFactory.class));
if (factories.isEmpty()) {
/*
* Always fall back to the JDK, even if our service loading mechanism is hosed for some reason.
*/
factories = Arrays.asList((LogAdapterFactory) new JDKLogAdapterFactory());
}
/*
* Sort factories by priority.
*/
Collections.sort(factories, new WeightedComparator());
/*
* Use the factory with the highest priority.
*/
return factories.get(0);
}