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.element.MUCLightElements.ConfigurationsChangeExtension;
024
025import org.xmlpull.v1.XmlPullParser;
026
027/**
028 * MUC Light configurations change provider class.
029 * 
030 * @author Fernando Ramirez
031 *
032 */
033public class MUCLightConfigurationsChangeProvider extends ExtensionElementProvider<ConfigurationsChangeExtension> {
034
035    @Override
036    public ConfigurationsChangeExtension parse(XmlPullParser parser, int initialDepth) throws Exception {
037        String prevVersion = null;
038        String version = null;
039        String roomName = null;
040        String subject = null;
041        HashMap<String, String> customConfigs = null;
042
043        outerloop: while (true) {
044            int eventType = parser.next();
045
046            if (eventType == XmlPullParser.START_TAG) {
047
048                if (parser.getName().equals("prev-version")) {
049                    prevVersion = parser.nextText();
050                } else if (parser.getName().equals("version")) {
051                    version = parser.nextText();
052                } else if (parser.getName().equals("roomname")) {
053                    roomName = parser.nextText();
054                } else if (parser.getName().equals("subject")) {
055                    subject = parser.nextText();
056                } else {
057                    if (customConfigs == null) {
058                        customConfigs = new HashMap<>();
059                    }
060                    customConfigs.put(parser.getName(), parser.nextText());
061                }
062
063            } else if (eventType == XmlPullParser.END_TAG) {
064                if (parser.getDepth() == initialDepth) {
065                    break outerloop;
066                }
067            }
068        }
069
070        return new ConfigurationsChangeExtension(prevVersion, version, roomName, subject, customConfigs);
071    }
072
073}