HADOOP-18289. fix checkstyle.

Author: slfan1989

hadoop-common-project/hadoop-kms/src/test/java/org/apache/hadoop/crypto/key/kms/server/TestKMS.java

@@ -948,10 +948,11 @@ public Void call() throws Exception {
 
         // get the reference to the internal cache, to test invalidation.
         ValueQueue vq = (ValueQueue) new FieldReader(kmscp,
-            FieldUtils.getField(KMSClientProvider.class,"encKeyVersionQueue",true)).read();
-        LoadingCache<String, LinkedBlockingQueue<EncryptedKeyVersion>> kq =
-            (LoadingCache<String, LinkedBlockingQueue<EncryptedKeyVersion>>)
-                 new FieldReader(vq, FieldUtils.getField(ValueQueue.class,"keyQueues", true)).read();
+            FieldUtils.getField(KMSClientProvider.class, "encKeyVersionQueue", true)).read();
+        LoadingCache<String, LinkedBlockingQueue<EncryptedKeyVersion>> kq;
+        Object keyQueues =
+            new FieldReader(vq, FieldUtils.getField(ValueQueue.class, "keyQueues", true)).read();
+        kq = (LoadingCache<String, LinkedBlockingQueue<EncryptedKeyVersion>>) keyQueues;
         EncryptedKeyVersion mockEKV = Mockito.mock(EncryptedKeyVersion.class);
         when(mockEKV.getEncryptionKeyName()).thenReturn(keyName);
         when(mockEKV.getEncryptionKeyVersionName()).thenReturn(mockVersionName);

hadoop-common-project/hadoop-kms/src/test/java/org/apache/hadoop/crypto/key/kms/server/TestKMSAudit.java

@@ -210,7 +210,7 @@ public void testAuditLogFormat() throws Exception {
   public void testInitAuditLoggers() throws Exception {
     // Default should be the simple logger
     List<KMSAuditLogger> loggers = (List<KMSAuditLogger>) new FieldReader(kmsAudit,
-        FieldUtils.getField(KMSAudit.class,"auditLoggers",true)).read();
+            FieldUtils.getField(KMSAudit.class, "auditLoggers", true)).read();
 
     Assert.assertEquals(1, loggers.size());
     Assert.assertEquals(SimpleKMSAuditLogger.class, loggers.get(0).getClass());
@@ -222,7 +222,7 @@ public void testInitAuditLoggers() throws Exception {
             + SimpleKMSAuditLogger.class.getName());
     final KMSAudit audit = new KMSAudit(conf);
     loggers = (List<KMSAuditLogger>) new FieldReader(audit,
-        FieldUtils.getField(KMSAudit.class,"auditLoggers",true)).read();
+        FieldUtils.getField(KMSAudit.class, "auditLoggers", true)).read();
     Assert.assertEquals(1, loggers.size());
     Assert.assertEquals(SimpleKMSAuditLogger.class, loggers.get(0).getClass());