/**
* The user subscribes to the node using the supplied jid and subscription options. The bare jid
* portion of this one must match the jid for the connection.
*
* <p>Please note that the {@link Subscription.State} should be checked on return since more
* actions may be required by the caller. {@link Subscription.State#pending} - The owner must
* approve the subscription request before messages will be received. {@link
* Subscription.State#unconfigured} - If the {@link Subscription#isConfigRequired()} is true, the
* caller must configure the subscription before messages will be received. If it is false the
* caller can configure it but is not required to do so.
*
* @param jid The jid to subscribe as.
* @return The subscription
* @throws XMPPErrorException
* @throws NoResponseException
* @throws NotConnectedException
*/
public Subscription subscribe(String jid, SubscribeForm subForm)
throws NoResponseException, XMPPErrorException, NotConnectedException {
PubSub request = createPubsubPacket(Type.set, new SubscribeExtension(jid, getId()));
request.addExtension(new FormNode(FormNodeType.OPTIONS, subForm));
PubSub reply = (PubSub) PubSubManager.sendPubsubPacket(con, jid, Type.set, request);
return (Subscription) reply.getExtension(PubSubElementType.SUBSCRIPTION);
}
static PubSub createPubsubPacket(String to, Type type, PacketExtension ext, PubSubNamespace ns) {
PubSub request = new PubSub();
request.setTo(to);
request.setType(type);
if (ns != null) {
request.setPubSubNamespace(ns);
}
request.addExtension(ext);
return request;
}
/**
* Creates a node with specified configuration.
*
* <p>Note: This is the only way to create a collection node.
*
* @param name The name of the node, which must be unique within the pubsub service
* @param config The configuration for the node
* @return The node that was created
* @exception XMPPException
*/
public Node createNode(String name, Form config) throws XMPPException {
PubSub request =
createPubsubPacket(to, Type.SET, new NodeExtension(PubSubElementType.CREATE, name));
boolean isLeafNode = true;
if (config != null) {
request.addExtension(new FormNode(FormNodeType.CONFIGURE, config));
FormField nodeTypeField = config.getField(ConfigureNodeFields.node_type.getFieldName());
if (nodeTypeField != null)
isLeafNode = nodeTypeField.getValues().next().equals(NodeType.leaf.toString());
}
// Errors will cause exceptions in getReply, so it only returns
// on success.
sendPubsubPacket(con, to, Type.SET, request);
Node newNode = isLeafNode ? new LeafNode(con, name) : new CollectionNode(con, name);
newNode.setTo(to);
nodeMap.put(newNode.getId(), newNode);
return newNode;
}
