001/**
002 *
003 * Copyright the original author or authors
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smackx.pubsub.util;
018
019import org.jivesoftware.smack.packet.Stanza;
020
021import org.jivesoftware.smackx.pubsub.ConfigureForm;
022import org.jivesoftware.smackx.pubsub.FormNode;
023import org.jivesoftware.smackx.pubsub.PubSubElementType;
024import org.jivesoftware.smackx.xdata.Form;
025
026/**
027 * Utility for extracting information from packets.
028 * 
029 * @author Robin Collier
030 */
031public class NodeUtils
032{
033    /** 
034     * Get a {@link ConfigureForm} from a packet.
035     * 
036     * @param packet
037     * @param elem
038     * @return The configuration form
039     */
040    public static ConfigureForm getFormFromPacket(Stanza packet, PubSubElementType elem)
041    {
042        FormNode config = packet.getExtension(elem.getElementName(), elem.getNamespace().getXmlns());
043        Form formReply = config.getForm();
044        return new ConfigureForm(formReply);
045    }
046}