public PubSubNodeInfo getNodeDetails(String nodeId) throws SoxLibException {
PubSubNodeInfo result = new PubSubNodeInfo();
DiscoverInfo di = null;
try {
Node node = mPubSubManager.getNode(nodeId);
if (!(node instanceof LeafNode)) {
throw new SoxLibException("Expecting leaf node, but got something else:" + nodeId);
}
LeafNode leaf = (LeafNode) node;
di = leaf.discoverInfo();
} catch (XMPPException e) {
throw new SoxLibException("Problem accessing node list:" + nodeId);
}
// Expect one and only one identity.
Iterator<DiscoverInfo.Identity> iter = di.getIdentities();
if (iter.hasNext()) {
DiscoverInfo.Identity info = iter.next();
// logger.log(Level.FINER, "type:" + info.getType());
// logger.log(Level.FINER, "cat:" + info.getCategory());
result.nodeType = info.getType();
// Assert iter.hasNext == false
}
// If no form data, returns null for this field.
result.nodeForm = (DataForm) di.getExtension("jabber:x:data");
return result;
}
/**
* Get the identities sorted correctly to calculate the ver attribute.
*
* @param info the DiscoverInfo containing the identities
* @return the sorted list of identities.
*/
private List<DiscoverInfo.Identity> getSortedIdentity(DiscoverInfo info) {
List<DiscoverInfo.Identity> result = new ArrayList<DiscoverInfo.Identity>();
Iterator<DiscoverInfo.Identity> it = info.getIdentities();
while (it.hasNext()) {
DiscoverInfo.Identity id = it.next();
result.add(id);
}
Collections.sort(
result,
new Comparator<DiscoverInfo.Identity>() {
public int compare(DiscoverInfo.Identity o1, DiscoverInfo.Identity o2) {
String cat1 = o1.getCategory();
if (cat1 == null) cat1 = "";
String cat2 = o2.getCategory();
if (cat2 == null) cat2 = "";
int res = cat1.compareTo(cat2);
if (res != 0) return res;
String type1 = o1.getType();
if (type1 == null) type1 = "";
String type2 = o2.getCategory();
if (type2 == null) type2 = "";
res = type1.compareTo(type2);
if (res != 0) return res;
// should compare lang but not avalaible
return 0;
}
});
return result;
}
/** Discover the features provided by the server. */
private void discoverServerFeatures() {
try {
// jid et server
ServiceDiscoveryManager sdm = ServiceDiscoveryManager.getInstanceFor(mAdaptee);
DiscoverInfo info = sdm.discoverInfo(mAdaptee.getServiceName());
Iterator<DiscoverInfo.Identity> it = info.getIdentities();
while (it.hasNext()) {
DiscoverInfo.Identity identity = it.next();
if ("pubsub".equals(identity.getCategory()) && "pep".equals(identity.getType())) {
initPEP();
}
}
} catch (XMPPException e) {
Log.w(TAG, "Unable to discover server features", e);
}
}
/**
* Checks the service discovery item returned from a server component to verify if it is a File
* Transfer proxy or not.
*
* @param manager the service discovery manager which will be used to query the component
* @param item the discovered item on the server relating
* @return returns the JID of the proxy if it is a proxy or null if the item is not a proxy.
*/
private String checkIsProxy(ServiceDiscoveryManager manager, DiscoverItems.Item item) {
DiscoverInfo info;
try {
info = manager.discoverInfo(item.getEntityID());
} catch (XMPPException e) {
return null;
}
Iterator itx = info.getIdentities();
while (itx.hasNext()) {
DiscoverInfo.Identity identity = (DiscoverInfo.Identity) itx.next();
if ("proxy".equalsIgnoreCase(identity.getCategory())
&& "bytestreams".equalsIgnoreCase(identity.getType())) {
return info.getFrom();
}
}
return null;
}
/**
* Retrieves the requested node, if it exists. It will throw an exception if it does not.
*
* @param id - The unique id of the node
* @return the node
* @throws XMPPException The node does not exist
*/
public Node getNode(String id) throws XMPPException {
Node node = nodeMap.get(id);
if (node == null) {
DiscoverInfo info = new DiscoverInfo();
info.setTo(to);
info.setNode(id);
DiscoverInfo infoReply = (DiscoverInfo) SyncPacketSend.getReply(con, info);
if (infoReply.getIdentities().next().getType().equals(NodeType.leaf.toString()))
node = new LeafNode(con, id);
else node = new CollectionNode(con, id);
node.setTo(to);
nodeMap.put(id, node);
}
return node;
}
/**
* Calculates the <tt>String</tt> for a specific <tt>DiscoverInfo</tt> which is to be hashed in
* order to compute the ver string for that <tt>DiscoverInfo</tt>.
*
* @param discoverInfo the <tt>DiscoverInfo</tt> for which the <tt>String</tt> to be hashed in
* order to compute its ver string is to be calculated
* @return the <tt>String</tt> for <tt>discoverInfo</tt> which is to be hashed in order to compute
* its ver string
*/
private static String calculateEntityCapsString(DiscoverInfo discoverInfo) {
StringBuilder bldr = new StringBuilder();
// Add identities
{
Iterator<DiscoverInfo.Identity> identities = discoverInfo.getIdentities();
SortedSet<DiscoverInfo.Identity> is =
new TreeSet<DiscoverInfo.Identity>(
new Comparator<DiscoverInfo.Identity>() {
public int compare(DiscoverInfo.Identity i1, DiscoverInfo.Identity i2) {
int category = i1.getCategory().compareTo(i2.getCategory());
if (category != 0) return category;
int type = i1.getType().compareTo(i2.getType());
if (type != 0) return type;
/*
* TODO Sort by xml:lang.
*
* Since sort by xml:lang is currently missing,
* use the last supported sort criterion i.e.
* type.
*/
return type;
}
});
if (identities != null) while (identities.hasNext()) is.add(identities.next());
for (DiscoverInfo.Identity i : is) {
bldr.append(i.getCategory())
.append('/')
.append(i.getType())
.append("//")
.append(i.getName())
.append('<');
}
}
// Add features
{
Iterator<DiscoverInfo.Feature> features = getDiscoverInfoFeatures(discoverInfo);
SortedSet<String> fs = new TreeSet<String>();
if (features != null) while (features.hasNext()) fs.add(features.next().getVar());
for (String f : fs) bldr.append(f).append('<');
}
DataForm extendedInfo = (DataForm) discoverInfo.getExtension("x", "jabber:x:data");
if (extendedInfo != null) {
synchronized (extendedInfo) {
SortedSet<FormField> fs =
new TreeSet<FormField>(
new Comparator<FormField>() {
public int compare(FormField f1, FormField f2) {
return f1.getVariable().compareTo(f2.getVariable());
}
});
FormField formType = null;
for (Iterator<FormField> fieldsIter = extendedInfo.getFields(); fieldsIter.hasNext(); ) {
FormField f = fieldsIter.next();
if (!f.getVariable().equals("FORM_TYPE")) fs.add(f);
else formType = f;
}
// Add FORM_TYPE values
if (formType != null) formFieldValuesToCaps(formType.getValues(), bldr);
// Add the other values
for (FormField f : fs) {
bldr.append(f.getVariable()).append('<');
formFieldValuesToCaps(f.getValues(), bldr);
}
}
}
return bldr.toString();
}
