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;
022
023import org.jivesoftware.smackx.muclight.MUCLightAffiliation;
024import org.jivesoftware.smackx.muclight.element.MUCLightElements.AffiliationsChangeExtension;
025
026import org.jxmpp.jid.Jid;
027import org.jxmpp.jid.impl.JidCreate;
028import org.xmlpull.v1.XmlPullParser;
029
030/**
031 * MUC Light Affiliations Change Provider class.
032 *
033 * @author Fernando Ramirez
034 *
035 */
036public class MUCLightAffiliationsChangeProvider extends ExtensionElementProvider<AffiliationsChangeExtension> {
037
038    @Override
039    public AffiliationsChangeExtension parse(XmlPullParser parser, int initialDepth) throws Exception {
040        HashMap<Jid, MUCLightAffiliation> affiliations = new HashMap<>();
041        String prevVersion = null;
042        String version = null;
043
044        outerloop: while (true) {
045            int eventType = parser.next();
046
047            if (eventType == XmlPullParser.START_TAG) {
048
049                if (parser.getName().equals("prev-version")) {
050                    prevVersion = parser.nextText();
051                }
052
053                if (parser.getName().equals("version")) {
054                    version = parser.nextText();
055                }
056
057                if (parser.getName().equals("user")) {
058                    MUCLightAffiliation mucLightAffiliation = MUCLightAffiliation
059                            .fromString(parser.getAttributeValue("", "affiliation"));
060                    Jid jid = JidCreate.from(parser.nextText());
061                    affiliations.put(jid, mucLightAffiliation);
062                }
063
064            } else if (eventType == XmlPullParser.END_TAG) {
065                if (parser.getDepth() == initialDepth) {
066                    break outerloop;
067                }
068            }
069        }
070
071        return new AffiliationsChangeExtension(affiliations, prevVersion, version);
072    }
073
074}