@Override
public <T extends Throwable> void registerHandlerMethod(HandlerMethod<T> handlerMethod) {
log.fine(String.format("Adding handler %s to known handlers", handlerMethod));
if (allHandlers.containsKey(handlerMethod.getExceptionType())) {
allHandlers.get(handlerMethod.getExceptionType()).add(handlerMethod);
} else {
allHandlers.put(
handlerMethod.getExceptionType(),
new HashSet<HandlerMethod<? extends Throwable>>(Collections.singleton(handlerMethod)));
}
}
@Override
public Collection<HandlerMethod<? extends Throwable>> getHandlersForException(
Type exceptionClass, BeanManager bm, Set<Annotation> handlerQualifiers, boolean isBefore) {
final Collection<HandlerMethod<? extends Throwable>> returningHandlers =
new TreeSet<HandlerMethod<? extends Throwable>>(new ExceptionHandlerComparator());
final HierarchyDiscovery h = new HierarchyDiscovery(exceptionClass);
final Set<Type> closure = h.getTypeClosure();
for (Type hierarchyType : closure) {
if (allHandlers.get(hierarchyType) != null) {
for (HandlerMethod<?> handler : allHandlers.get(hierarchyType)) {
if (handler.isBeforeHandler() && isBefore) {
if (handler.getQualifiers().contains(new AnyLiteral())) {
returningHandlers.add(handler);
} else {
if (!handlerQualifiers.isEmpty()
&& handlerQualifiers.equals(handler.getQualifiers())) {
returningHandlers.add(handler);
}
}
} else if (!handler.isBeforeHandler() && !isBefore) {
if (handler.getQualifiers().contains(new AnyLiteral())) {
returningHandlers.add(handler);
} else {
if (!handlerQualifiers.isEmpty()
&& handlerQualifiers.equals(handler.getQualifiers())) {
returningHandlers.add(handler);
}
}
}
}
}
}
log.fine(
String.format(
"Found handlers %s for exception type %s, qualifiers %s",
returningHandlers, exceptionClass, handlerQualifiers));
return Collections.unmodifiableCollection(returningHandlers);
}