@RequestMapping("EDIT")
public void savePreferences(
ActionRequest request,
ActionResponse response,
@RequestParam("topicsToUpdate") Integer topicsToUpdate)
throws PortletException {
List<TopicSubscription> newSubscription = new ArrayList<TopicSubscription>();
for (int i = 0; i < topicsToUpdate; i++) {
Long topicId = Long.valueOf(request.getParameter("topicId_" + i));
// Will be numeric for existing, persisted TopicSubscription
// instances; blank (due to null id field) otherwise
String topicSubId = request.getParameter("topicSubId_" + i).trim();
Boolean subscribed = Boolean.valueOf(request.getParameter("subscribed_" + i));
Topic topic = announcementService.getTopic(topicId);
// Make sure that any pushed_forced topics weren't sneakingly removed (by tweaking the URL,
// for example)
if (topic.getSubscriptionMethod() == Topic.PUSHED_FORCED) {
subscribed = new Boolean(true);
}
TopicSubscription ts = new TopicSubscription(request.getRemoteUser(), topic, subscribed);
if (topicSubId.length() > 0) {
// This TopicSubscription represents an existing, persisted entity
try {
ts.setId(Long.valueOf(topicSubId));
} catch (NumberFormatException nfe) {
logger.debug(nfe.getMessage(), nfe);
}
}
newSubscription.add(ts);
}
if (newSubscription.size() > 0) {
try {
announcementService.addOrSaveTopicSubscription(newSubscription);
} catch (Exception e) {
logger.error(
"ERROR saving TopicSubscriptions for user "
+ request.getRemoteUser()
+ ". Message: "
+ e.getMessage());
}
}
response.setPortletMode(PortletMode.VIEW);
response.setRenderParameter("action", "displayAnnouncements");
}