public String deleteSub() {
// delete a planet subscription
log.debug("Deleting Planet Subscription ...");
PlanetManager pmgr = PlanetFactory.getPlanet().getPlanetManager();
try {
if (!StringUtils.isEmpty(getSubid())) {
Subscription sub = pmgr.getSubscriptionById(getSubid());
if (sub == null) {
setError("PlanetGroupForm.error.nullSubscription");
return INPUT;
} else {
PlanetGroup group = getGroup();
group.getSubscriptions().remove(sub);
sub.getGroups().remove(group);
pmgr.saveGroup(group);
PlanetFactory.getPlanet().flush();
}
setSuccess("PlanetGroupForm.message.subscriptionDeleteSucceeded", sub.getTitle());
} else {
setError("PlanetGroupForm.error.subscriptionNull");
}
return INPUT;
} catch (PlanetException ex) {
log.error("Unable to lookup planet group", ex);
setError("PlanetGroupForm.error.subscriptionDeleteFailed", getSubid());
return INPUT;
}
}
// Validation - sub url cannot be null, must be valid url
public String addSub() {
// add a planet subscription
log.debug("Adding Planet Subscription ...");
PlanetManager pMgr = PlanetFactory.getPlanet().getPlanetManager();
try {
PlanetGroup group = getGroup();
if (group == null) {
setError("PlanetSubscriptionForm.error.groupNull");
return INPUT;
}
// check if this subscription already exists before adding it
Subscription sub = pMgr.getSubscription(getAddSubUrl());
if (sub == null) {
// sub doesn't exist yet, so we need to fetch it
FeedFetcher fetcher = PlanetFactory.getPlanet().getFeedFetcher();
sub = fetcher.fetchSubscription(getAddSubUrl());
// save new sub
pMgr.saveSubscription(sub);
}
// add the sub to the group
group.getSubscriptions().add(sub);
sub.getGroups().add(group);
pMgr.saveGroup(group);
// flush changes
PlanetFactory.getPlanet().flush();
// clear field after success
setAddSubUrl(null);
} catch (PlanetException ex) {
log.error("Error adding subscription", ex);
setError("PlanetSubscriptionForm.error.saveFailed");
return INPUT;
}
setSuccess("PlanetSubscriptionForm.message.saveSucceeded");
return INPUT;
}
/** Load relevant Planet if possible. */
public void prepare() throws Exception {
PlanetManager pMgr = PlanetFactory.getPlanet().getPlanetManager();
if (getGroupid() != null && !"".equals(getGroupid())) {
// load a planet group
log.debug("Loading Planet Group ...");
group = pMgr.getGroupById(getGroupid());
} else {
// new group, must have a planet to add it to
Planet planet = pMgr.getPlanetById(getPlanetid());
if (planet != null) {
group = new PlanetGroup();
group.setPlanet(planet);
} else {
throw new PlanetException("could not determine planet " + getPlanetid());
}
}
}