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.muclight.provider;
018
019import java.util.HashMap;
020
021import org.jivesoftware.smack.provider.ExtensionElementProvider;
022import org.jivesoftware.smackx.muclight.MUCLightAffiliation;
023import org.jivesoftware.smackx.muclight.element.MUCLightElements.AffiliationsChangeExtension;
024import org.jxmpp.jid.Jid;
025import org.jxmpp.jid.impl.JidCreate;
026import org.xmlpull.v1.XmlPullParser;
027
028/**
029 * MUC Light Affiliations Change Provider class.
030 * 
031 * @author Fernando Ramirez
032 *
033 */
034public class MUCLightAffiliationsChangeProvider extends ExtensionElementProvider<AffiliationsChangeExtension> {
035
036    @Override
037    public AffiliationsChangeExtension parse(XmlPullParser parser, int initialDepth) throws Exception {
038        HashMap<Jid, MUCLightAffiliation> affiliations = new HashMap<>();
039        String prevVersion = null;
040        String version = null;
041
042        outerloop: while (true) {
043            int eventType = parser.next();
044
045            if (eventType == XmlPullParser.START_TAG) {
046
047                if (parser.getName().equals("prev-version")) {
048                    prevVersion = parser.nextText();
049                }
050
051                if (parser.getName().equals("version")) {
052                    version = parser.nextText();
053                }
054
055                if (parser.getName().equals("user")) {
056                    MUCLightAffiliation mucLightAffiliation = MUCLightAffiliation
057                            .fromString(parser.getAttributeValue("", "affiliation"));
058                    Jid jid = JidCreate.from(parser.nextText());
059                    affiliations.put(jid, mucLightAffiliation);
060                }
061
062            } else if (eventType == XmlPullParser.END_TAG) {
063                if (parser.getDepth() == initialDepth) {
064                    break outerloop;
065                }
066            }
067        }
068
069        return new AffiliationsChangeExtension(affiliations, prevVersion, version);
070    }
071
072}