/**
* The subscription has been approved by a node owner. The subscription is now active so the
* subscriber is now allowed to get event notifications.
*/
void approved() {
if (state == State.subscribed) {
// Do nothing
return;
}
state = State.subscribed;
if (savedToDB) {
// Update the subscription in the backend store
PubSubPersistenceManager.saveSubscription(service, node, this, false);
}
// Send last published item (if node is leaf node and subscription status is ok)
if (node.isSendItemSubscribe() && isActive()) {
PublishedItem lastItem = node.getLastPublishedItem();
if (lastItem != null) {
sendLastPublishedItem(lastItem);
}
}
}
void configure(DataForm options) {
List<String> values;
String booleanValue;
boolean wasUsingPresence = !presenceStates.isEmpty();
// Remove this field from the form
options.removeField("FORM_TYPE");
// Process and remove specific collection node fields
FormField collectionField = options.getField("pubsub#subscription_type");
if (collectionField != null) {
values = collectionField.getValues();
if (values.size() > 0) {
type = Type.valueOf(values.get(0));
}
options.removeField("pubsub#subscription_type");
}
collectionField = options.getField("pubsub#subscription_depth");
if (collectionField != null) {
values = collectionField.getValues();
depth = "all".equals(values.get(0)) ? 0 : 1;
options.removeField("pubsub#subscription_depth");
}
// If there are more fields in the form then process them and set that
// the subscription has been configured
for (FormField field : options.getFields()) {
boolean fieldExists = true;
if ("pubsub#deliver".equals(field.getVariable())) {
values = field.getValues();
booleanValue = (values.size() > 0 ? values.get(0) : "1");
deliverNotifications = "1".equals(booleanValue);
} else if ("pubsub#digest".equals(field.getVariable())) {
values = field.getValues();
booleanValue = (values.size() > 0 ? values.get(0) : "1");
usingDigest = "1".equals(booleanValue);
} else if ("pubsub#digest_frequency".equals(field.getVariable())) {
values = field.getValues();
digestFrequency = values.size() > 0 ? Integer.parseInt(values.get(0)) : 86400000;
} else if ("pubsub#expire".equals(field.getVariable())) {
values = field.getValues();
synchronized (dateFormat) {
try {
expire = dateFormat.parse(values.get(0));
} catch (ParseException e) {
Log.error("Error parsing date", e);
}
}
} else if ("pubsub#include_body".equals(field.getVariable())) {
values = field.getValues();
booleanValue = (values.size() > 0 ? values.get(0) : "1");
includingBody = "1".equals(booleanValue);
} else if ("pubsub#show-values".equals(field.getVariable())) {
// Get the new list of presence states for which an entity wants to
// receive notifications
presenceStates = new ArrayList<String>();
for (String value : field.getValues()) {
try {
presenceStates.add(value);
} catch (Exception e) {
// Do nothing
}
}
} else if ("x-pubsub#keywords".equals(field.getVariable())) {
values = field.getValues();
keyword = values.isEmpty() ? null : values.get(0);
} else {
fieldExists = false;
}
if (fieldExists) {
// Subscription has been configured so set the next state
if (node.getAccessModel().isAuthorizationRequired() && !node.isAdmin(owner)) {
state = State.pending;
} else {
state = State.subscribed;
}
}
}
if (savedToDB) {
// Update the subscription in the backend store
PubSubPersistenceManager.saveSubscription(service, node, this, false);
}
// Check if the service needs to subscribe or unsubscribe from the owner presence
if (!node.isPresenceBasedDelivery() && wasUsingPresence != !presenceStates.isEmpty()) {
if (presenceStates.isEmpty()) {
service.presenceSubscriptionNotRequired(node, owner);
} else {
service.presenceSubscriptionRequired(node, owner);
}
}
}