Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | /**
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| 2 | * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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| 3 | * you may not use this file except in compliance with the License.
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| 4 | * You may obtain a copy of the License at
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| 5 | *
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| 6 | * http://www.apache.org/licenses/LICENSE-2.0
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| 7 | *
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| 8 | * Unless required by applicable law or agreed to in writing, software
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| 9 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 10 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 11 | * See the License for the specific language governing permissions and
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| 12 | * limitations under the License.
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| 13 | */
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| 14 | package org.jivesoftware.smackx.pubsub.provider;
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| 15 |
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| 16 | import org.jivesoftware.smack.packet.IQ;
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| 17 | import org.jivesoftware.smack.packet.PacketExtension;
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| 18 | import org.jivesoftware.smack.provider.IQProvider;
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| 19 | import org.jivesoftware.smack.util.PacketParserUtils;
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| 20 | import org.jivesoftware.smackx.pubsub.packet.PubSub;
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| 21 | import org.jivesoftware.smackx.pubsub.packet.PubSubNamespace;
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| 22 | import org.xmlpull.v1.XmlPullParser;
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| 23 |
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| 24 | /**
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| 25 | * Parses the root pubsub packet extensions of the {@link IQ} packet and returns
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| 26 | * a {@link PubSub} instance.
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| 27 | *
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| 28 | * @author Robin Collier
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| 29 | */
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| 30 | public class PubSubProvider implements IQProvider
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| 31 | {
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| 32 | public IQ parseIQ(XmlPullParser parser) throws Exception
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| 33 | {
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| 34 | PubSub pubsub = new PubSub();
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| 35 | String namespace = parser.getNamespace();
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| 36 | pubsub.setPubSubNamespace(PubSubNamespace.valueOfFromXmlns(namespace));
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| 37 | boolean done = false;
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| 38 |
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| 39 | while (!done)
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| 40 | {
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| 41 | int eventType = parser.next();
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| 42 |
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| 43 | if (eventType == XmlPullParser.START_TAG)
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| 44 | {
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| 45 | PacketExtension ext = PacketParserUtils.parsePacketExtension(parser.getName(), namespace, parser);
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| 46 |
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| 47 | if (ext != null)
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| 48 | {
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| 49 | pubsub.addExtension(ext);
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| 50 | }
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| 51 | }
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| 52 | else if (eventType == XmlPullParser.END_TAG)
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| 53 | {
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| 54 | if (parser.getName().equals("pubsub"))
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| 55 | {
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| 56 | done = true;
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| 57 | }
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| 58 | }
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| 59 | }
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| 60 | return pubsub;
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| 61 | }
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| 62 | }
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