@Override
	public JSONObject main(Map<String, String> params, Session session)
			throws Exception {

		JSONObject rtn = new JSONObject();
		Venue[] aVenue = Venue.findAll();
		rtn.put("rtnCode", this.getRtnCode(200));
		{
			JSONArray venueJa = new JSONArray();
			for(int i=0; i<aVenue.length; i++) {
				venueJa.put(aVenue[i].toJson());
			}
			rtn.put("aVenue", venueJa);
		}
		return rtn;
	}