format

Author: Hastyshell

fe/fe-enterprise/src/main/java/org/apache/doris/enterprise/KeyManager.java

@@ -18,7 +18,6 @@
 package org.apache.doris.enterprise;
 
 import org.apache.doris.catalog.Env;
-import org.apache.doris.common.AnalysisException;
 import org.apache.doris.common.Config;
 import org.apache.doris.encryption.DataKeyMaterial;
 import org.apache.doris.encryption.EncryptionKey;

fe/fe-enterprise/src/main/java/org/apache/doris/enterprise/KmsRootKeyProvider.java

@@ -20,8 +20,6 @@
 import org.apache.doris.encryption.DataKeyMaterial;
 import org.apache.doris.encryption.RootKeyInfo;
 
-import java.util.Map;
-
 class KmsRootKeyProvider implements RootKeyProvider {
     @Override
     public void init(RootKeyInfo info) {

fe/fe-enterprise/src/main/java/org/apache/doris/enterprise/LocalRootKeyProvider.java

@@ -22,7 +22,6 @@
 
 import java.nio.charset.StandardCharsets;
 import java.security.spec.KeySpec;
-import java.util.Map;
 import javax.crypto.Cipher;
 import javax.crypto.SecretKey;
 import javax.crypto.SecretKeyFactory;

fe/fe-enterprise/src/main/java/org/apache/doris/enterprise/RootKeyProvider.java

@@ -20,8 +20,6 @@
 import org.apache.doris.encryption.DataKeyMaterial;
 import org.apache.doris.encryption.RootKeyInfo;
 
-import java.util.Map;
-
 public interface RootKeyProvider {
 
     void init(RootKeyInfo info);

fe/fe-enterprise/src/test/java/org/apache/doris/enterprise/KeyManagerTest.java

@@ -155,7 +155,7 @@ public void testRotateRootKey(@Mocked Env env, @Mocked EditLog editLog) {
                 manager.rotateRootKey(properties);
                 Assert.fail();
             } catch (Exception e) {
-
+                // do nothing
             }
         }
     }

fe/fe-enterprise/src/test/java/org/apache/doris/enterprise/MockedRootKeyProvider.java

@@ -1,10 +1,26 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
 package org.apache.doris.enterprise;
 
 import org.apache.doris.encryption.DataKeyMaterial;
 import org.apache.doris.encryption.RootKeyInfo;
 
 import java.nio.charset.StandardCharsets;
-import java.util.Arrays;
 import java.util.concurrent.atomic.AtomicInteger;
 
 public class MockedRootKeyProvider implements RootKeyProvider {