001/**
002 *
003 * Copyright 2020 Paul Schaub
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.message_retraction.provider;
018
019import java.io.IOException;
020import java.util.Date;
021
022import org.jivesoftware.smack.packet.XmlEnvironment;
023import org.jivesoftware.smack.parsing.SmackParsingException;
024import org.jivesoftware.smack.provider.ExtensionElementProvider;
025import org.jivesoftware.smack.util.ParserUtils;
026import org.jivesoftware.smack.xml.XmlPullParser;
027import org.jivesoftware.smack.xml.XmlPullParserException;
028import org.jivesoftware.smackx.message_retraction.element.RetractedElement;
029import org.jivesoftware.smackx.sid.StableUniqueStanzaIdManager;
030import org.jivesoftware.smackx.sid.element.OriginIdElement;
031import org.jivesoftware.smackx.sid.provider.OriginIdProvider;
032
033public class RetractedElementProvider extends ExtensionElementProvider<RetractedElement> {
034
035    @Override
036    public RetractedElement parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment)
037            throws XmlPullParserException, IOException, SmackParsingException {
038        Date date = ParserUtils.getDateFromXep82String(parser.getAttributeValue("", RetractedElement.ATTR_STAMP));
039
040        OriginIdElement originIdElement = null;
041        while (originIdElement == null) {
042            XmlPullParser.TagEvent tag = parser.nextTag();
043            if (tag == XmlPullParser.TagEvent.START_ELEMENT
044                    && OriginIdElement.ELEMENT.equals(parser.getName())
045                    && StableUniqueStanzaIdManager.NAMESPACE.equals(parser.getNamespace())) {
046                originIdElement = OriginIdProvider.INSTANCE.parse(parser);
047            }
048        }
049
050        return new RetractedElement(date, originIdElement);
051    }
052}