sftp> ls -l
d---------   1 OWNER@   GROUP@          0 Jan 25 10:51 bar
d---------   1 OWNER@   GROUP@          0 Jan 25 10:42 foo
sftp> cd foo
Can't change directory: Can't check target

<dependencies>
      <dependency>
        <groupId>org.apache.sshd</groupId>
        <artifactId>sshd-core</artifactId>
        <version>1.6.0</version>
      </dependency>   

      <dependency>
        <groupId>com.upplication</groupId>
        <artifactId>s3fs</artifactId>
        <version>2.2.1</version>
      </dependency>
</dependencies>

FileSystem fileSystem = FileSystems.newFileSystem(
  URI.create("s3://s3-eu-west-1.amazonaws.com/"),
  ImmutableMap.of(),
  Thread.currentThread().getContextClassLoader());

Path bucketPath = fileSystem.getPath("/" + bucketName + "/");
return new VirtualFileSystemFactory(bucketPath);