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.mam.provider;
018
019import java.io.IOException;
020
021import org.jivesoftware.smack.packet.IqData;
022import org.jivesoftware.smack.packet.XmlEnvironment;
023import org.jivesoftware.smack.parsing.SmackParsingException;
024import org.jivesoftware.smack.provider.IqProvider;
025import org.jivesoftware.smack.xml.XmlPullParser;
026import org.jivesoftware.smack.xml.XmlPullParserException;
027
028import org.jivesoftware.smackx.mam.element.MamElementFactory;
029import org.jivesoftware.smackx.mam.element.MamQueryIQ;
030import org.jivesoftware.smackx.xdata.packet.DataForm;
031import org.jivesoftware.smackx.xdata.provider.DataFormProvider;
032
033/**
034 * MAM Query IQ Provider class.
035 *
036 * @see <a href="http://xmpp.org/extensions/xep-0313.html">XEP-0313: Message
037 *      Archive Management</a>
038 * @author Fernando Ramirez
039 *
040 */
041public class MamQueryIQProvider extends IqProvider<MamQueryIQ> {
042
043    @Override
044    public MamQueryIQ parse(XmlPullParser parser, int initialDepth, IqData iqData, XmlEnvironment xmlEnvironment)
045                    throws XmlPullParserException, IOException, SmackParsingException {
046        MamElementFactory elementFactory = MamElementFactory.forParser(parser);
047        DataForm dataForm = null;
048        String queryId = parser.getAttributeValue("", "queryid");
049        String node = parser.getAttributeValue("", "node");
050
051        outerloop: while (true) {
052            final XmlPullParser.Event eventType = parser.next();
053
054            switch (eventType) {
055            case START_ELEMENT:
056                final String name = parser.getName();
057                switch (name) {
058                case DataForm.ELEMENT:
059                    dataForm = DataFormProvider.INSTANCE.parse(parser);
060                    break;
061                }
062                break;
063            case END_ELEMENT:
064                if (parser.getDepth() == initialDepth) {
065                    break outerloop;
066                }
067                break;
068            default:
069                // Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
070                break;
071            }
072        }
073
074        return elementFactory.newQueryIQ(queryId, node, dataForm);
075    }
076
077}