ruanwenjun commented on code in PR #13435:
URL: 
https://github.com/apache/dolphinscheduler/pull/13435#discussion_r1082495622


##########
dolphinscheduler-storage-plugin/dolphinscheduler-storage-oss/src/main/java/org/apache/dolphinscheduler/plugin/storage/oss/OssStorageOperator.java:
##########
@@ -288,19 +309,171 @@ public ResUploadType returnStorageType() {
     @Override
     public List<StorageEntity> listFilesStatusRecursively(String path, String 
defaultPath, String tenantCode,
                                                           ResourceType type) {
-        return null;
+        List<StorageEntity> storageEntityList = new ArrayList<>();
+
+        LinkedList<StorageEntity> foldersToFetch = new LinkedList<>();

Review Comment:
   It's better to add initialize path in `foldersToFetch`, and then you only 
need to loop the `foldersToFetch`.
   
   ```java
   while (!foldersToFetch.isEmpty()) {
     String pathToExplore = foldersToFetch.pop().getFullName();
      try {
              List<StorageEntity> tempList = listFilesStatus(pathToExplore, 
defaultPath, tenantCode, type);
              for (StorageEntity temp : tempList) {
                  if (temp.isDirectory()) {
                      foldersToFetch.add(temp);
                  }
              }
              storageEntityList.addAll(tempList);
          } catch (Exception e) {
              logger.error("error while listing files status recursively, path: 
{}", pathToExplore, e);
          }
   }
   
   
   ```



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