org.jivesoftware.smackx.pubsub.provider.SubscriptionProvider Maven / Gradle / Ivy
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Smack extensions.
Classes and methods that implement support for the various XMPP XEPs
(Multi-User Chat, PubSub, …) and other XMPP extensions.
/**
*
* Copyright the original author or authors
*
* 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 java.io.IOException;
import org.jivesoftware.smack.packet.XmlEnvironment;
import org.jivesoftware.smack.provider.ExtensionElementProvider;
import org.jivesoftware.smack.util.ParserUtils;
import org.jivesoftware.smack.xml.XmlPullParser;
import org.jivesoftware.smack.xml.XmlPullParserException;
import org.jivesoftware.smackx.pubsub.Subscription;
import org.jxmpp.jid.Jid;
/**
* Parses the subscription element out of the PubSub IQ message from
* the server as specified in the subscription schema.
*
* @author Robin Collier
*/
public class SubscriptionProvider extends ExtensionElementProvider {
@Override
public Subscription parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment)
throws XmlPullParserException, IOException {
Jid jid = ParserUtils.getJidAttribute(parser);
String nodeId = parser.getAttributeValue(null, "node");
String subId = parser.getAttributeValue(null, "subid");
String state = parser.getAttributeValue(null, "subscription");
boolean isRequired = false;
XmlPullParser.Event tag = parser.next();
if ((tag == XmlPullParser.Event.START_ELEMENT) && parser.getName().equals("subscribe-options")) {
tag = parser.next();
if ((tag == XmlPullParser.Event.START_ELEMENT) && parser.getName().equals("required"))
isRequired = true;
while (tag != XmlPullParser.Event.END_ELEMENT && !parser.getName().equals("subscribe-options")) tag = parser.next();
}
while (parser.getEventType() != XmlPullParser.Event.END_ELEMENT) parser.next();
return new Subscription(jid, nodeId, subId, state == null ? null : Subscription.State.valueOf(state), isRequired);
}
}
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