public void write(JsonWriter out, Collection<E> collection) throws IOException {
if (collection == null) {
out.nullValue(); // TODO: better policy here?
return;
}
out.beginArray();
for (E element : collection) {
elementTypeAdapter.write(out, element);
}
out.endArray();
}
public Collection<E> read(JsonReader in) throws IOException {
if (in.peek() == JsonToken.NULL) {
in.nextNull();
return null;
}
Collection<E> collection = constructor.construct();
in.beginArray();
while (in.hasNext()) {
E instance = elementTypeAdapter.read(in);
collection.add(instance);
}
in.endArray();
return collection;
}