public static List<Tag> constructTags(Response res) throws WeiboException {
		try {
			JSONArray list = res.asJSONArray();
			int size = list.length();
			List<Tag> tags = new ArrayList<Tag>(size);
			for (int i = 0; i < size; i++) {
				tags.add(new Tag(list.getJSONObject(i)));
			}
			return tags;
		} catch (JSONException jsone) {
			throw new WeiboException(jsone);
		} catch (WeiboException te) {
			throw te;
		}
	}