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/**
* 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;
}
}
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