protected void addDataPath(String path){
  if (dataPaths == null) {
    dataPaths=new ArrayList<String>();
  }
  if (path != null) {
    dataPaths.add(path);
  }
}

protected void addDataPath ( String path ) { if ( dataPaths == null ) { dataPaths = new ArrayList < String > ( ) ; } if ( path != null ) { dataPaths . add ( path ) ; } }
adds a data path to the path repository . creates the repository list if it doesn ' t yet exist . a call with a null path will get the repository list created .
