org.jivesoftware.smackx.pubsub.provider.PubSubProvider Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of smack Show documentation

Smack is an Open Source XMPP (Jabber) client library for instant messaging and presence. This library provides the client side functionality as specified in the core XMPP specifications as related to the client side of said specifications.

The newest version!

/**
 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jivesoftware.smackx.pubsub.provider;

import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.IQProvider;
import org.jivesoftware.smack.util.PacketParserUtils;
import org.jivesoftware.smackx.pubsub.packet.PubSub;
import org.jivesoftware.smackx.pubsub.packet.PubSubNamespace;
import org.xmlpull.v1.XmlPullParser;

/**
 * Parses the root pubsub packet extensions of the {@link IQ} packet and returns
 * a {@link PubSub} instance.
 * 
 * @author Robin Collier
 */
public class PubSubProvider implements IQProvider
{
	public IQ parseIQ(XmlPullParser parser) throws Exception
	{
        PubSub pubsub = new PubSub();
        String namespace = parser.getNamespace();
        pubsub.setPubSubNamespace(PubSubNamespace.valueOfFromXmlns(namespace));
        boolean done = false;

        while (!done) 
        {
            int eventType = parser.next();
            
            if (eventType == XmlPullParser.START_TAG) 
            {
            	PacketExtension ext = PacketParserUtils.parsePacketExtension(parser.getName(), namespace, parser);
            	
            	if (ext != null)
            	{
            		pubsub.addExtension(ext);
            	}
            }
            else if (eventType == XmlPullParser.END_TAG) 
            {
                if (parser.getName().equals("pubsub")) 
                {
                    done = true;
                }
            }
        }
        return pubsub;
	}
}