public void deleteCustomField(CustomField field) throws ApplicationException {
if (field == null
|| ConvertUtil.isNullOrEmpty(field.getEntityName())
|| ConvertUtil.isNullOrEmpty(field.getFieldName())) {
log.warn("The custom field to be deleted is invalid: " + field);
throw new ApplicationException("Unable to add invalid custom field definition.");
}
Entity entity = findLatestEntityVersionByName(field.getEntityName());
EntityAttribute attrib = null;
for (EntityAttribute item : entity.getAttributes()) {
if (item.getName().equalsIgnoreCase(field.getFieldName()) && item.getDateVoided() == null) {
attrib = item;
}
}
if (attrib == null) {
log.info("The user attempted to delete a custom field that does not exist.");
throw new ApplicationException("Unable to delete an unknown custom field definition.");
}
attrib.setDateVoided(new Date());
attrib.setUserVoidedBy(Context.getUserContext().getUser());
try {
entityDefinitionDao.updateEntity(entity);
// Generate a notification event to inform interested listeners via the lightweight mechanism
// that this event has occurred.
Context.notifyObserver(ObservationEventType.CUSTOM_FIELD_DELETE_EVENT, field);
} catch (DaoException e) {
log.error("Failed while deleting a custom field: " + e, e);
throw new ApplicationException("Failed while deleting the custom field: " + e.getMessage());
}
}
