@Override
public ContainerResponse filter(ContainerRequest request, ContainerResponse response) {
try {
Object entity = response.getEntity();
if (entity != null) {
if (entity
instanceof TopicType) { // Note: type matches both, must take precedence over topic
firePreSend((TopicType) entity);
} else if (entity instanceof Topic) {
firePreSend((Topic) entity);
} else if (entity instanceof Association) {
firePreSend((Association) entity);
} else if (entity instanceof Directives) {
firePreSend((Directives) entity);
} else if (isIterable(response, TopicType.class)) {
firePreSendTopicTypes(DeepaMehtaUtils.<Iterable<TopicType>>cast(entity));
} else if (isIterable(response, Topic.class)) {
firePreSendTopics(DeepaMehtaUtils.<Iterable<Topic>>cast(entity));
}
}
return response;
} catch (Exception e) {
throw new WebApplicationException(
new RuntimeException("Jersey response filtering failed", e));
}
}
@Override
public ContainerResponse filter(ContainerRequest req, ContainerResponse res) {
Object entity = res.getEntity();
if (entity instanceof PaginatedIterable) {
PaginatedIterable<?> p = (PaginatedIterable) entity;
if (p.isPaginated()) {
insertLinks(p, req, res);
}
}
return res;
}
private boolean isIterable(ContainerResponse response, Class<?> elementType) {
Type genericType = response.getEntityType();
if (genericType instanceof ParameterizedType) {
Type[] typeArgs = ((ParameterizedType) genericType).getActualTypeArguments();
Class<?> type = response.getEntity().getClass();
// FIX FOO CHECK THIS OUT!!!!
if (typeArgs.length == 1
&& Iterable.class.isAssignableFrom(type)
&& elementType.isAssignableFrom((Class<?>) typeArgs[0])) {
return true;
}
}
return false;
}