001/**
002 *
003 * Copyright © 2016 Fernando Ramirez
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smackx.push_notifications.provider;
018
019import java.io.IOException;
020
021import org.jivesoftware.smack.packet.XmlEnvironment;
022import org.jivesoftware.smack.provider.ExtensionElementProvider;
023import org.jivesoftware.smack.xml.XmlPullParser;
024import org.jivesoftware.smack.xml.XmlPullParserException;
025
026import org.jivesoftware.smackx.push_notifications.element.PushNotificationsElements.RemoteDisablingExtension;
027
028import org.jxmpp.jid.Jid;
029import org.jxmpp.jid.impl.JidCreate;
030
031/**
032 * Push Notifications Remote Disabling Provider class.
033 *
034 * @see <a href="http://xmpp.org/extensions/xep-0357.html">XEP-0357: Push
035 *      Notifications</a>
036 * @author Fernando Ramirez
037 */
038public class RemoteDisablingProvider extends ExtensionElementProvider<RemoteDisablingExtension> {
039
040    @Override
041    public RemoteDisablingExtension parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment) throws XmlPullParserException, IOException {
042        Jid userJid = null;
043        String node = parser.getAttributeValue("", "node");
044
045        outerloop: while (true) {
046            XmlPullParser.Event eventType = parser.next();
047            if (eventType == XmlPullParser.Event.START_ELEMENT) {
048                if (parser.getName().equals("affiliation")) {
049                    userJid = JidCreate.from(parser.getAttributeValue("", "jid"));
050
051                    String affiliation = parser.getAttributeValue("", "affiliation");
052                    if (affiliation == null || !affiliation.equals("none")) {
053                        // TODO: Is this correct? We previously returned null here, but was certainly wrong, as
054                        // providers should always return an element or throw.
055                        throw new IOException("Invalid affiliation: " + affiliation);
056                    }
057                }
058            } else if (eventType == XmlPullParser.Event.END_ELEMENT) {
059                if (parser.getDepth() == initialDepth) {
060                    break outerloop;
061                }
062            }
063        }
064
065        return new RemoteDisablingExtension(node, userJid);
066    }
067
068}