code: public static String toLine(Event event) {
      StringBuffer sb = new StringBuffer();
      sb.append(event.getOutcome());
      String[] context = event.getContext();
      for (int ci=0,cl=context.length;ci<cl;ci++) {
        sb.append(" "+context[ci]);
      }
      sb.append(System.getProperty("line.separator"));
      return sb.toString();
    }
docs: Generates a string representing the specified event.
  @param event The event for which a string representation is needed.
  @return A string representing the specified event.