code: public void setImportSequences(String[] sequences) {
          for (String s : sequences) {
              s = s.trim();
              if (s.length() > 0) {
                  String[] ts = s.split("\\s+");
                  List<String> sequence = new ArrayList<String>();
                  for (String t : ts) {
                      t = t.trim();
                      if (t.length() > 0) {
                          sequence.add(t);
                      }
                  }
                  this.importSequences.add(new StringSequence(sequence));
              }
          }
      }
docs: httl.properties: import.sequences=Mon Tue Wed Thu Fri Sat Sun Mon