1 /** 2 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); 3 * you may not use this file except in compliance with the License. 4 * You may obtain a copy of the License at 5 * 6 * http://www.apache.org/licenses/LICENSE-2.0 7 * 8 * Unless required by applicable law or agreed to in writing, software 9 * distributed under the License is distributed on an "AS IS" BASIS, 10 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11 * See the License for the specific language governing permissions and 12 * limitations under the License. 13 */ 14 package org.jivesoftware.smackx.pubsub.provider; 15 16 import org.jivesoftware.smack.packet.IQ; 17 import org.jivesoftware.smack.packet.PacketExtension; 18 import org.jivesoftware.smack.provider.IQProvider; 19 import org.jivesoftware.smack.util.PacketParserUtils; 20 import org.jivesoftware.smackx.pubsub.packet.PubSub; 21 import org.jivesoftware.smackx.pubsub.packet.PubSubNamespace; 22 import org.xmlpull.v1.XmlPullParser; 23 24 /** 25 * Parses the root pubsub packet extensions of the {@link IQ} packet and returns 26 * a {@link PubSub} instance. 27 * 28 * @author Robin Collier 29 */ 30 public class PubSubProvider implements IQProvider 31 { parseIQ(XmlPullParser parser)32 public IQ parseIQ(XmlPullParser parser) throws Exception 33 { 34 PubSub pubsub = new PubSub(); 35 String namespace = parser.getNamespace(); 36 pubsub.setPubSubNamespace(PubSubNamespace.valueOfFromXmlns(namespace)); 37 boolean done = false; 38 39 while (!done) 40 { 41 int eventType = parser.next(); 42 43 if (eventType == XmlPullParser.START_TAG) 44 { 45 PacketExtension ext = PacketParserUtils.parsePacketExtension(parser.getName(), namespace, parser); 46 47 if (ext != null) 48 { 49 pubsub.addExtension(ext); 50 } 51 } 52 else if (eventType == XmlPullParser.END_TAG) 53 { 54 if (parser.getName().equals("pubsub")) 55 { 56 done = true; 57 } 58 } 59 } 60 return pubsub; 61 } 62 } 63