service.addConverter("princy", new CustomTwoWayConverter());
ConversionExecutor executor = service.getConversionExecutor("princy", List.class, List.class);
List<String> princyList = new ArrayList<String>();
princyList.add("princy1");
princyList.add("princy2");
List<Principal> list = (List<Principal>) executor.execute(princyList);
assertEquals("princy1", list.get(0).getName());
assertEquals("princy2", list.get(1).getName());
}
@SuppressWarnings("unchecked")