code: protected void getURIs(String lcacheArchives, String lcacheFiles) {
      String archives[] = StringUtils.getStrings(lcacheArchives);
      String files[] = StringUtils.getStrings(lcacheFiles);
      fileURIs = StringUtils.stringToURI(files);
      archiveURIs = StringUtils.stringToURI(archives);
    }
docs: get the uris of all the files/caches