java - 怎么判斷自定義注解里的值是否正確?
問題描述
@RestController@RequestMapping('/api')public class CasApiController { private final transient Logger logger = LoggerFactory.getLogger(getClass()); private UpTokenServiceInterface upTokenServiceInterface; private static final String LIMITER_KEY = 'CasApiControllerControllerLimiter'; private static final String LIMITER_KEY_HOUR = 'CasApiControllerControllerLimiterHour'; private static final String LIMITER_KEY_DAY = 'CasApiControllerControllerLimiterDay'; private static final int LIMITER_NUM_REQUESTS = 5; private static final int LIMITER_NUM_REQUESTS_HOUR = 10; private static final int LIMITER_NUM_REQUESTS_DAY = 20; @Autowired public CasApiController(UpTokenServiceInterface upTokenServiceInterface) {this.upTokenServiceInterface = upTokenServiceInterface; } @RequestMapping(value = 'qiniu/uptoken', method = RequestMethod.GET ) @ResponseBody @ApiControllerWithArgHttpServletRequestRateLimiterThrottleable @RateLimit(numRequests = LIMITER_NUM_REQUESTS, key = LIMITER_KEY) @RateLimit2(numRequests = LIMITER_NUM_REQUESTS_HOUR, key = LIMITER_KEY_HOUR) @RateLimit3(numRequests = LIMITER_NUM_REQUESTS_DAY, key = LIMITER_KEY_DAY) public JSONObject getUpToken() {JSONObject jsonObject = new JSONObject();jsonObject.put('uptoken',upTokenServiceInterface.uploadToken());return jsonObject; }}-----------------------------3個@RateLimit里面各有參數(shù)限制,日時分,要避免人為寫錯參數(shù),怎么加一個判斷或者驗證,判斷它們的參數(shù)和正確的順序匹配?
問題解答
回答1:java 8 已經(jīng)支持多個相同 Annotation 了,判斷起來更方便。
相關(guān)文章:
1. mysql - 在不允許改動數(shù)據(jù)表的情況下,如何優(yōu)化以varchar格式存儲的時間的比較?2. javascript - 網(wǎng)頁打印頁另存為pdf的代碼一個問題3. vim - docker中新的ubuntu12.04鏡像,運行vi提示,找不到命名.4. docker網(wǎng)絡端口映射,沒有方便點的操作方法么?5. css - chrome下a標簽嵌套img 顯示會多個小箭頭?6. java中返回一個對象,和輸出對像的值,意義在哪兒7. css3 - 純css實現(xiàn)點擊特效8. javascript - 關(guān)于apply()與call()的問題9. 推薦好用mysql管理工具?for mac和pc10. javascript - 有適合開發(fā)手機端Html5網(wǎng)頁小游戲的前端框架嗎?
