001/*
002 *
003 * Copyright 2003-2007 Jive Software.
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 */
017
018package org.jivesoftware.smackx.workgroup.packet;
019
020import java.io.IOException;
021import java.util.List;
022import java.util.Map;
023
024import org.jivesoftware.smack.packet.XmlEnvironment;
025import org.jivesoftware.smack.provider.ExtensionElementProvider;
026import org.jivesoftware.smack.xml.XmlPullParser;
027import org.jivesoftware.smack.xml.XmlPullParserException;
028
029import org.jivesoftware.smackx.workgroup.MetaData;
030import org.jivesoftware.smackx.workgroup.util.MetaDataUtils;
031
032import org.jxmpp.JxmppContext;
033
034/**
035 * This provider parses meta data if it's not contained already in a larger extension provider.
036 *
037 * @author loki der quaeler
038 */
039public class MetaDataProvider extends ExtensionElementProvider<MetaData> {
040
041    /**
042     * PacketExtensionProvider implementation.
043     * @throws IOException if an I/O error occurred.
044     * @throws XmlPullParserException if an error in the XML parser occurred.
045     */
046    @Override
047    public MetaData parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment, JxmppContext jxmppContext) throws XmlPullParserException, IOException {
048        Map<String, List<String>> metaData = MetaDataUtils.parseMetaData(parser);
049
050        return new MetaData(metaData);
051    }
052}