code: @Override
    public Metadata createMetadata() {
      Metadata metadata = new Metadata();
      try {
        for (DataSet ds : iimFile.getDataSets()) {
          Object value = "";
          try {
            value = ds.getValue();
          } catch (Exception ex) {
  
          }
          DataSetInfo info = ds.getInfo();
          //System.out.println(info.toString() + " " + info.getName() + ": " + value);
  
          metadata.add(info.getName(), new Text(value.toString()));
        }
      } catch (Exception ex) {
        /*Nothing to be shown*/
      }
  
      return metadata;
    }
docs: Creates the metadata.
  
  @return the hash map