private StreamNegotiator getOutgoingNegotiator(final FormField field) throws XMPPException {
String variable;
boolean isByteStream = false;
boolean isIBB = false;
for (final Iterator<String> it = field.getValues(); it.hasNext(); ) {
variable = it.next();
if (variable.equals(Socks5BytestreamManager.NAMESPACE) && !IBB_ONLY) {
isByteStream = true;
} else if (variable.equals(InBandBytestreamManager.NAMESPACE)) {
isIBB = true;
}
}
if (!isByteStream && !isIBB) {
final XMPPError error =
new XMPPError(XMPPError.Condition.bad_request, "No acceptable transfer mechanism");
throw new XMPPException(error.getMessage(), error);
}
if (isByteStream && isIBB) {
return new FaultTolerantNegotiator(
connection, byteStreamTransferManager, inbandTransferManager);
} else if (isByteStream) {
return byteStreamTransferManager;
} else {
return inbandTransferManager;
}
}
/**
* 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;
}
/**
* 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();
}