jerqi commented on code in PR #6100:
URL: https://github.com/apache/gravitino/pull/6100#discussion_r1905000258


##########
core/src/main/java/org/apache/gravitino/authorization/AuthorizationUtils.java:
##########
@@ -364,4 +376,127 @@ private static void checkCatalogType(
           catalogIdent, catalog.type(), privilege);
     }
   }
+
+  public static List<String> getMetadataObjectLocation(
+      NameIdentifier ident, Entity.EntityType type) {
+    List<String> locations = new ArrayList<>();
+    MetadataObject metadataObject;
+    try {
+      metadataObject = NameIdentifierUtil.toMetadataObject(ident, type);
+    } catch (IllegalArgumentException e) {
+      LOG.warn("Illegal argument exception for metadata object %s type %s", 
ident, type, e);
+      return locations;
+    }
+
+    String metalake =
+        (type == Entity.EntityType.METALAKE ? ident.name() : 
ident.namespace().level(0));
+    try {
+      switch (metadataObject.type()) {
+        case METALAKE:
+          {
+            NameIdentifier[] identifiers =
+                
GravitinoEnv.getInstance().catalogDispatcher().listCatalogs(Namespace.of(metalake));
+            Arrays.stream(identifiers)
+                .collect(Collectors.toList())
+                .forEach(
+                    identifier -> {
+                      Catalog catalogObj =
+                          
GravitinoEnv.getInstance().catalogDispatcher().loadCatalog(identifier);
+                      if (catalogObj.provider().equals("hive")) {
+                        Schema schema =
+                            GravitinoEnv.getInstance()
+                                .schemaDispatcher()
+                                .loadSchema(
+                                    NameIdentifier.of(
+                                        metalake,
+                                        catalogObj.name(),
+                                        "default" /*Hive default schema*/));
+                        if 
(schema.properties().containsKey(HiveConstants.LOCATION)) {
+                          String defaultSchemaLocation =
+                              schema.properties().get(HiveConstants.LOCATION);
+                          if (defaultSchemaLocation != null && 
!defaultSchemaLocation.isEmpty()) {
+                            locations.add(defaultSchemaLocation);
+                          } else {
+                            LOG.warn("Catalog %s location is not found", 
ident);
+                          }
+                        }
+                      }
+                    });
+          }
+          break;
+        case CATALOG:
+          {
+            Catalog catalogObj = 
GravitinoEnv.getInstance().catalogDispatcher().loadCatalog(ident);
+            if (catalogObj.provider().equals("hive")) {
+              Schema schema =
+                  GravitinoEnv.getInstance()
+                      .schemaDispatcher()
+                      .loadSchema(
+                          NameIdentifier.of(
+                              metalake, catalogObj.name(), "default" /*Hive 
default schema*/));
+              if (schema.properties().containsKey(HiveConstants.LOCATION)) {
+                String defaultSchemaLocation = 
schema.properties().get(HiveConstants.LOCATION);
+                if (defaultSchemaLocation != null && 
!defaultSchemaLocation.isEmpty()) {
+                  locations.add(defaultSchemaLocation);
+                } else {
+                  LOG.warn("Catalog %s location is not found", ident);
+                }
+              }
+            }
+          }
+          break;
+        case SCHEMA:
+          {
+            Schema schema = 
GravitinoEnv.getInstance().schemaDispatcher().loadSchema(ident);
+            if (schema.properties().containsKey(HiveConstants.LOCATION)) {
+              String schemaLocation = 
schema.properties().get(HiveConstants.LOCATION);

Review Comment:
   What should we get the location of schema if a schema has filesets?



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