001/**
002 *
003 * Copyright 2014 Georg Lukas, 2021 Florian Schmaus.
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.iqversion.provider;
018
019import java.io.IOException;
020
021import org.jivesoftware.smack.packet.IQ;
022import org.jivesoftware.smack.packet.IqData;
023import org.jivesoftware.smack.packet.XmlEnvironment;
024import org.jivesoftware.smack.provider.IqProvider;
025import org.jivesoftware.smack.xml.XmlPullParser;
026import org.jivesoftware.smack.xml.XmlPullParserException;
027
028import org.jivesoftware.smackx.iqversion.packet.Version;
029import org.jivesoftware.smackx.iqversion.packet.VersionBuilder;
030
031public class VersionProvider extends IqProvider<Version> {
032
033    @Override
034    public Version parse(XmlPullParser parser, int initialDepth, IqData iqData, XmlEnvironment xmlEnvironment)
035                    throws XmlPullParserException, IOException {
036        VersionBuilder versionBuilder = Version.builder(iqData);
037
038        outerloop: while (true) {
039            XmlPullParser.Event eventType = parser.next();
040            switch (eventType) {
041            case START_ELEMENT:
042                String tagName = parser.getName();
043                switch (tagName) {
044                case "name":
045                    String name = parser.nextText();
046                    versionBuilder.setName(name);
047                    break;
048                case "version":
049                    String version = parser.nextText();
050                    versionBuilder.setVersion(version);
051                    break;
052                case "os":
053                    String os = parser.nextText();
054                    versionBuilder.setOs(os);
055                    break;
056                }
057                break;
058            case END_ELEMENT:
059                if (parser.getDepth() == initialDepth && parser.getName().equals(IQ.QUERY_ELEMENT)) {
060                    break outerloop;
061                }
062                break;
063            default:
064                // Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
065                break;
066            }
067        }
068
069        return versionBuilder.build();
070    }
071}