// TODO faire une seul m�thode taskService.save ?
Errors errors = null;
// save the story
if (taskForm.getPersistanceId() == 0) {
// add
errors = storyService.addTask(taskForm.getStoryPersistanceId(),
taskForm.getDaysEstimated(),
taskForm.getShortDescription(),
taskForm.getDevelopperPersistanceId());
} else {
// update