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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.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smackx.pubsub.Subscription;
import org.xmlpull.v1.XmlPullParser;
/**
* Parses the <b>subscription</b> element out of the pubsub IQ message from
* the server as specified in the <a href="http://xmpp.org/extensions/xep-0060.html#schemas-pubsub">subscription schema</a>.
*
* @author Robin Collier
*/
public class SubscriptionProvider implements PacketExtensionProvider
{
public PacketExtension parseExtension(XmlPullParser parser) throws Exception
{
String jid = parser.getAttributeValue(null, "jid");
String nodeId = parser.getAttributeValue(null, "node");
String subId = parser.getAttributeValue(null, "subid");
String state = parser.getAttributeValue(null, "subscription");
boolean isRequired = false;
int tag = parser.next();
if ((tag == XmlPullParser.START_TAG) && parser.getName().equals("subscribe-options"))
{
tag = parser.next();
if ((tag == XmlPullParser.START_TAG) && parser.getName().equals("required"))
isRequired = true;
while (parser.next() != XmlPullParser.END_TAG && parser.getName() != "subscribe-options");
}
while (parser.getEventType() != XmlPullParser.END_TAG) parser.next();
return new Subscription(jid, nodeId, subId, (state == null ? null : Subscription.State.valueOf(state)), isRequired);
}
}
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