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.element.MUCLightElements.ConfigurationsChangeExtension;
023import org.xmlpull.v1.XmlPullParser;
024
025/**
026 * MUC Light configurations change provider class.
027 * 
028 * @author Fernando Ramirez
029 *
030 */
031public class MUCLightConfigurationsChangeProvider extends ExtensionElementProvider<ConfigurationsChangeExtension> {
032
033    @Override
034    public ConfigurationsChangeExtension parse(XmlPullParser parser, int initialDepth) throws Exception {
035        String prevVersion = null;
036        String version = null;
037        String roomName = null;
038        String subject = null;
039        HashMap<String, String> customConfigs = null;
040
041        outerloop: while (true) {
042            int eventType = parser.next();
043
044            if (eventType == XmlPullParser.START_TAG) {
045
046                if (parser.getName().equals("prev-version")) {
047                    prevVersion = parser.nextText();
048                } else if (parser.getName().equals("version")) {
049                    version = parser.nextText();
050                } else if (parser.getName().equals("roomname")) {
051                    roomName = parser.nextText();
052                } else if (parser.getName().equals("subject")) {
053                    subject = parser.nextText();
054                } else {
055                    if (customConfigs == null) {
056                        customConfigs = new HashMap<>();
057                    }
058                    customConfigs.put(parser.getName(), parser.nextText());
059                }
060
061            } else if (eventType == XmlPullParser.END_TAG) {
062                if (parser.getDepth() == initialDepth) {
063                    break outerloop;
064                }
065            }
066        }
067
068        return new ConfigurationsChangeExtension(prevVersion, version, roomName, subject, customConfigs);
069    }
070
071}