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