/**
 * emoji过滤器
 * @param 
 */
class EmojiFilter<T>{
    /**
     * 传入一个bean，将其下的所有java.lang.String类型的列中含有的emoji全部去除
     * @param obj
     * @return
     */
    private T filter(T obj){
        Field[] fields = obj.getClass().getDeclaredFields();
        for(Field field : fields){
            field.setAccessible(true);
            try {
                Object value = field.get(obj);
                if(value instanceof java.lang.String){
                    if(value != null){
                        value = filterEmoji(value.toString());
                        field.set(obj,value);
                    }
                }
            } catch (IllegalAccessException e) {
                try {
                    field.set(obj,field.get(e));
                } catch (IllegalAccessException e1) {
                    e1.printStackTrace();
                }
            }
        }
        return obj;
    }

    /**
     * 将emoji表情替换成*
     * @param source
     * @return 过滤后的字符串
     */
    private String filterEmoji(String source) {
        if(StringUtil.isNotBlank(source)){
            return source.replaceAll("[\\ud800\\udc00-\\udbff\\udfff\\ud800-\\udfff]", "*");
        }else{
            return source;
        }
    }
}