title: How can spring sftp inbound adaptor ensure whether file is transferred completely
body: <p>How can spring sftp inbound adaptor ensure whether file is transferred completely. Is there any check sum mechanism available in spring-integration by default?</p>
  
  <p>Whether spring integration will give any alert/notification if file is partially  transferred to local ?.</p>
  
  <p>Whether spring integration will give any alert/notification if expected file or file format is not in SFTP ?.</p>
  
  <p>Thanks in advance</p>