Revert "HDFS-16044. Fix getListing call getLocatedBlocks even source is a directory. Contributed by ludun."

This reverts commit 0d078377120da9ea886bd95b19c8a618dc4d7ab5.

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsFileStatus.java

@@ -274,7 +274,7 @@ public interface HdfsFileStatus
      * @return An {@link HdfsFileStatus} instance from these parameters.
      */
     public HdfsFileStatus build() {
-      if (null == locations && isdir && null == symlink) {
+      if (null == locations && !isdir && null == symlink) {
         return new HdfsNamedFileStatus(length, isdir, replication, blocksize,
             mtime, atime, permission, flags, owner, group, symlink, path,
             fileId, childrenNum, feInfo, storagePolicy, ecPolicy);

hadoop-hdfs-project/hadoop-hdfs-client/src/test/java/org/apache/hadoop/hdfs/protocol/TestHdfsFileStatus.java

@@ -1,49 +0,0 @@
-/**
- * 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.hadoop.hdfs.protocol;
-
-import org.junit.Test;
-
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
-/**
- * Test {@link HdfsFileStatus}.
- */
-public class TestHdfsFileStatus {
-  private boolean createFileStatus(boolean isdir) {
-    HdfsFileStatus status = new HdfsFileStatus.Builder()
-        .isdir(isdir)
-        .build();
-
-    return status instanceof HdfsLocatedFileStatus;
-  }
-
-  @Test
-  public void testHdfsFileStatusBuild() {
-    // listing directory
-    assertFalse("Status of directory should not be " +
-            "HdfsLocatedFileStatus",
-        createFileStatus(true));
-
-    // listing file when locations is null
-    assertTrue("Status of file should be HdfsLocatedFileStatus",
-        createFileStatus(false));
-  }
-}
-