MamResultProvider.java

  1. /**
  2.  *
  3.  * Copyright 2016 Fernando Ramirez, 2020-2021 Florian Schmaus
  4.  *
  5.  * Licensed under the Apache License, Version 2.0 (the "License");
  6.  * you may not use this file except in compliance with the License.
  7.  * You may obtain a copy of the License at
  8.  *
  9.  *     http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17. package org.jivesoftware.smackx.mam.provider;

  18. import java.io.IOException;
  19. import java.text.ParseException;

  20. import org.jivesoftware.smack.packet.Message;
  21. import org.jivesoftware.smack.packet.XmlEnvironment;
  22. import org.jivesoftware.smack.parsing.SmackParsingException;
  23. import org.jivesoftware.smack.provider.ExtensionElementProvider;
  24. import org.jivesoftware.smack.xml.XmlPullParser;
  25. import org.jivesoftware.smack.xml.XmlPullParserException;

  26. import org.jivesoftware.smackx.forward.packet.Forwarded;
  27. import org.jivesoftware.smackx.forward.provider.ForwardedProvider;
  28. import org.jivesoftware.smackx.mam.element.MamElementFactory;
  29. import org.jivesoftware.smackx.mam.element.MamElements.MamResultExtension;

  30. /**
  31.  * MAM Result Provider class.
  32.  *
  33.  * @see <a href="http://xmpp.org/extensions/xep-0313.html">XEP-0313: Message
  34.  *      Archive Management</a>
  35.  * @author Fernando Ramirez
  36.  *
  37.  */
  38. public class MamResultProvider extends ExtensionElementProvider<MamResultExtension> {

  39.     @Override
  40.     public MamResultExtension parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment)
  41.                     throws XmlPullParserException, IOException, SmackParsingException, ParseException {
  42.         MamElementFactory elementFactory = MamElementFactory.forParser(parser);
  43.         Forwarded<Message> forwarded = null;
  44.         String queryId = parser.getAttributeValue("", "queryid");
  45.         String id = parser.getAttributeValue("", "id");

  46.         outerloop: while (true) {
  47.             final XmlPullParser.Event eventType = parser.next();
  48.             switch (eventType) {
  49.             case START_ELEMENT:
  50.                 final String name = parser.getName();
  51.                 switch (name) {
  52.                 case Forwarded.ELEMENT:
  53.                     forwarded = ForwardedProvider.parseForwardedMessage(parser, xmlEnvironment);
  54.                     break;
  55.                 }
  56.                 break;
  57.             case END_ELEMENT:
  58.                 if (parser.getDepth() == initialDepth) {
  59.                     break outerloop;
  60.                 }
  61.                 break;
  62.             default:
  63.                 // Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
  64.                 break;
  65.             }
  66.         }

  67.         return elementFactory.newResultExtension(queryId, id, forwarded);
  68.     }

  69. }