code: private static HdfsFileStatus createHdfsFileStatus(byte[] path, INode node) {
       long size = 0;     // length is zero for directories
       short replication = 0;
       long blocksize = 0;
       if (node instanceof INodeFile) {
         INodeFile fileNode = (INodeFile)node;
         size = fileNode.getFileSize();
         replication = fileNode.getReplication();
         blocksize = fileNode.getPreferredBlockSize();
       }
       else
       if (node.isDirectory()) {
         INodeDirectory dirNode = (INodeDirectory)node;
         //length is used to represent the number of children for directories.
         size = dirNode.getChildren().size();
       }
       return new HdfsFileStatus(
           size,
           node.isDirectory(),
           replication,
           blocksize,
           node.getModificationTime(),
           node.getAccessTime(),
           node.getFsPermission(),
           node.getUserName(),
           node.getGroupName(),
           path);
     }
docs: Create HdfsFileStatus by file INode