perf: 视频获取url,过期检查

 package org.thingsboard.server.common.data.yunteng.utils.tools;
-
 import java.time.LocalDateTime;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.Map;
 
 public class VideoUrlUtils {
 
-    private static  Map<String, Map<String,Object>> videoUrlData = new HashMap<>();
+    private static final Map<String, Map<String,Object>> videoUrlData = new HashMap<>();
 
 
     public static void putVideoUrl(String key, String url, LocalDateTime expireTime)  {
+        //检查哪些过期了,过期了的就移除
+        checkVideoUrlData();
         Map<String,Object> videoUrlInfo = new HashMap<>();
         videoUrlInfo.put("url",url);
         videoUrlInfo.put("expireTime",expireTime);
@@ -26,4 +28,17 @@ public class VideoUrlUtils {
         //如果过期了返回null
         return nowTime.isAfter(expireTime) ? null : videoUrlInfo.get("url").toString();
     }
+    private static void checkVideoUrlData(){
+        if(!videoUrlData.isEmpty()){
+            Iterator<Map.Entry<String, Map<String, Object>>> iterator = videoUrlData.entrySet().iterator();
+            while (iterator.hasNext()){
+                Map.Entry<String, Map<String, Object>> entry = iterator.next();
+                LocalDateTime expireTime = (LocalDateTime) entry.getValue().get("expireTime");
+                LocalDateTime nowTime = LocalDateTime.now();
+                if(nowTime.isAfter(expireTime)){
+                    iterator.remove();
+                }
+            }
+        }
+    }
 }