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