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;
    }
  }
Beispiel #2
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  /**
   * 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;
  }
Beispiel #3
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  /**
   * 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();
  }