code: private AFTPClient actionExists() throws PageException, IOException {
  	required("item", item);
  
  	AFTPClient client = getClient();
  	FTPFile file = existsFile(client, item, false);
  	Struct cfftp = writeCfftp(client);
  
  	cfftp.setEL(RETURN_VALUE, Caster.toBoolean(file != null));
  	cfftp.setEL(SUCCEEDED, Boolean.TRUE);
  
  	return client;
      }
docs: check if a file or directory exists
  
  @return FTPCLient
  @throws PageException
  @throws IOException