gistfile1.groovy

ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName("groovy");

List<?> orders = (List<?>)
  engine.eval(new InputStreamReader(
    new BufferedInputStream(
      new SequenceInputStream(
        new FileInputStream("ClientOrder.groovy"),
        new FileInputStream("order.dsl")))));

System.out.println(orders.size());
for(Object o : orders) {
  System.out.println(o);
}