private Map<String, Object> getModelData(String logformat){
		Map<String, Object> map = new HashMap<String, Object>();
		
		JSONObject model = getModel(logformat);
		try{
			JSONArray itemList = model.getJSONArray("items");
			String format = model.getString("format");
			map.put("items", itemList);
			map.put("format", format);
		}catch(Exception e){
			e.printStackTrace();
		}
		return map;
	}