@SuppressWarnings("rawtypes")
	public static Object readValues(String content,Class CollectionType,Class clazz) throws JsonParseException, JsonMappingException, IOException{
		Object o = null;
		if(content == null || "".equals(content)){
			return null;
		}
		o = mapper.readValue(content, getCollectionType(CollectionType, clazz));
		return o;
	 }