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.JxmppContext;
029import org.jxmpp.jid.Jid;
030import org.jxmpp.jid.impl.JidCreate;
031
032/**
033 * Push Notifications Remote Disabling Provider class.
034 *
035 * @see <a href="http://xmpp.org/extensions/xep-0357.html">XEP-0357: Push
036 *      Notifications</a>
037 * @author Fernando Ramirez
038 */
039public class RemoteDisablingProvider extends ExtensionElementProvider<RemoteDisablingExtension> {
040
041    @Override
042    public RemoteDisablingExtension parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment, JxmppContext jxmppContext) throws XmlPullParserException, IOException {
043        Jid userJid = null;
044        String node = parser.getAttributeValue("", "node");
045
046        outerloop: while (true) {
047            XmlPullParser.Event eventType = parser.next();
048            if (eventType == XmlPullParser.Event.START_ELEMENT) {
049                if (parser.getName().equals("affiliation")) {
050                    userJid = JidCreate.from(parser.getAttributeValue("", "jid"));
051
052                    String affiliation = parser.getAttributeValue("", "affiliation");
053                    if (affiliation == null || !affiliation.equals("none")) {
054                        // TODO: Is this correct? We previously returned null here, but was certainly wrong, as
055                        // providers should always return an element or throw.
056                        throw new IOException("Invalid affiliation: " + affiliation);
057                    }
058                }
059            } else if (eventType == XmlPullParser.Event.END_ELEMENT) {
060                if (parser.getDepth() == initialDepth) {
061                    break outerloop;
062                }
063            }
064        }
065
066        return new RemoteDisablingExtension(node, userJid);
067    }
068
069}