private String generateS3Path(String pathPrefixParent,String topologyName,String filename){
  List<String> pathParts=new ArrayList<>(Arrays.asList(pathPrefixParent.split("/")));
  pathParts.add(topologyName);
  pathParts.add(filename);
  return String.join("/",pathParts);
}

private String generateS3Path ( String pathPrefixParent , String topologyName , String filename ) { List < String > pathParts = new ArrayList < > ( Arrays . asList ( pathPrefixParent . split ( "/" ) ) ) ; pathParts . add ( topologyName ) ; pathParts . add ( filename ) ; return String . join ( "/" , pathParts ) ; }
generate the path to a file in s3 given a prefix , topologyname , and filename
