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