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.PacketExtension; 17 import org.jivesoftware.smack.provider.PacketExtensionProvider; 18 import org.jivesoftware.smackx.pubsub.Subscription; 19 import org.xmlpull.v1.XmlPullParser; 20 21 /** 22 * Parses the <b>subscription</b> element out of the pubsub IQ message from 23 * the server as specified in the <a href="http://xmpp.org/extensions/xep-0060.html#schemas-pubsub">subscription schema</a>. 24 * 25 * @author Robin Collier 26 */ 27 public class SubscriptionProvider implements PacketExtensionProvider 28 { parseExtension(XmlPullParser parser)29 public PacketExtension parseExtension(XmlPullParser parser) throws Exception 30 { 31 String jid = parser.getAttributeValue(null, "jid"); 32 String nodeId = parser.getAttributeValue(null, "node"); 33 String subId = parser.getAttributeValue(null, "subid"); 34 String state = parser.getAttributeValue(null, "subscription"); 35 boolean isRequired = false; 36 37 int tag = parser.next(); 38 39 if ((tag == XmlPullParser.START_TAG) && parser.getName().equals("subscribe-options")) 40 { 41 tag = parser.next(); 42 43 if ((tag == XmlPullParser.START_TAG) && parser.getName().equals("required")) 44 isRequired = true; 45 46 while (parser.next() != XmlPullParser.END_TAG && parser.getName() != "subscribe-options"); 47 } 48 while (parser.getEventType() != XmlPullParser.END_TAG) parser.next(); 49 return new Subscription(jid, nodeId, subId, (state == null ? null : Subscription.State.valueOf(state)), isRequired); 50 } 51 52 } 53