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.text.ParseException;
021import java.util.Date;
022
023import org.jivesoftware.smack.packet.XmlEnvironment;
024import org.jivesoftware.smack.parsing.SmackParsingException;
025import org.jivesoftware.smack.provider.ExtensionElementProvider;
026import org.jivesoftware.smack.util.ParserUtils;
027import org.jivesoftware.smack.xml.XmlPullParser;
028import org.jivesoftware.smack.xml.XmlPullParserException;
029
030import org.jivesoftware.smackx.message_retraction.element.RetractedElement;
031import org.jivesoftware.smackx.sid.StableUniqueStanzaIdManager;
032import org.jivesoftware.smackx.sid.element.OriginIdElement;
033import org.jivesoftware.smackx.sid.provider.OriginIdProvider;
034
035import org.jxmpp.JxmppContext;
036
037public class RetractedElementProvider extends ExtensionElementProvider<RetractedElement> {
038
039    @Override
040    public RetractedElement parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment, JxmppContext jxmppContext)
041            throws XmlPullParserException, IOException, SmackParsingException, ParseException {
042        Date date = ParserUtils.getDateFromXep82String(parser.getAttributeValue("", RetractedElement.ATTR_STAMP));
043
044        OriginIdElement originIdElement = null;
045        while (originIdElement == null) {
046            XmlPullParser.TagEvent tag = parser.nextTag();
047            if (tag == XmlPullParser.TagEvent.START_ELEMENT
048                    && OriginIdElement.ELEMENT.equals(parser.getName())
049                    && StableUniqueStanzaIdManager.NAMESPACE.equals(parser.getNamespace())) {
050                originIdElement = OriginIdProvider.INSTANCE.parse(parser);
051            }
052        }
053
054        return new RetractedElement(date, originIdElement);
055    }
056}