PublicKeysListElementProvider.java

  1. /**
  2.  *
  3.  * Copyright 2018 Paul Schaub.
  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.ox.provider;

  18. import java.io.IOException;
  19. import java.text.ParseException;
  20. import java.util.Date;

  21. import org.jivesoftware.smack.packet.XmlEnvironment;
  22. import org.jivesoftware.smack.provider.ExtensionElementProvider;
  23. import org.jivesoftware.smack.util.ParserUtils;
  24. import org.jivesoftware.smack.xml.XmlPullParser;
  25. import org.jivesoftware.smack.xml.XmlPullParserException;

  26. import org.jivesoftware.smackx.ox.element.PublicKeysListElement;

  27. import org.pgpainless.key.OpenPgpV4Fingerprint;

  28. public final class PublicKeysListElementProvider extends ExtensionElementProvider<PublicKeysListElement> {

  29.     public static final PublicKeysListElementProvider TEST_INSTANCE = new PublicKeysListElementProvider();

  30.     @Override
  31.     public PublicKeysListElement parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment)
  32.                     throws XmlPullParserException, IOException, ParseException {

  33.         PublicKeysListElement.Builder builder = PublicKeysListElement.builder();

  34.         while (true) {

  35.             XmlPullParser.TagEvent tag = parser.nextTag();
  36.             String name;

  37.             switch (tag) {
  38.                 case START_ELEMENT:
  39.                     name = parser.getName();
  40.                     if (PublicKeysListElement.PubkeyMetadataElement.ELEMENT.equals(name)) {
  41.                         String finger = parser.getAttributeValue(null,
  42.                                 PublicKeysListElement.PubkeyMetadataElement.ATTR_V4_FINGERPRINT);
  43.                         String dt = parser.getAttributeValue(null,
  44.                                 PublicKeysListElement.PubkeyMetadataElement.ATTR_DATE);
  45.                         OpenPgpV4Fingerprint fingerprint = new OpenPgpV4Fingerprint(finger);
  46.                         Date date = ParserUtils.getDateFromXep82String(dt);
  47.                         builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fingerprint, date));
  48.                     }
  49.                     break;

  50.                 case END_ELEMENT:
  51.                     name = parser.getName();
  52.                     if (name.equals(PublicKeysListElement.ELEMENT)) {
  53.                         return builder.build();
  54.                     }
  55.                     break;

  56.                 default:
  57.                     // Catch all for incomplete switch (MissingCasesInEnumSwitch) statement.
  58.                     break;
  59.             }
  60.         }
  61.     }
  62. }