src/main/java/net/pterodactylus/sone/core/SoneDownloaderImpl.java

   1 /*
   2  * Sone - SoneDownloader.java - Copyright © 2010–2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.core;
  19
  20 import static java.lang.String.format;
  21 import static java.lang.System.currentTimeMillis;
  22 import static java.util.concurrent.TimeUnit.DAYS;
  23
  24 import java.io.InputStream;
  25 import java.net.MalformedURLException;
  26 import java.util.ArrayList;
  27 import java.util.HashMap;
  28 import java.util.HashSet;
  29 import java.util.List;
  30 import java.util.Map;
  31 import java.util.Set;
  32 import java.util.concurrent.TimeUnit;
  33 import java.util.logging.Level;
  34 import java.util.logging.Logger;
  35
  36 import net.pterodactylus.sone.core.FreenetInterface.Fetched;
  37 import net.pterodactylus.sone.data.Album;
  38 import net.pterodactylus.sone.data.Client;
  39 import net.pterodactylus.sone.data.Image;
  40 import net.pterodactylus.sone.data.Post;
  41 import net.pterodactylus.sone.data.PostReply;
  42 import net.pterodactylus.sone.data.Profile;
  43 import net.pterodactylus.sone.data.Sone;
  44 import net.pterodactylus.sone.data.Sone.SoneStatus;
  45 import net.pterodactylus.sone.data.SoneImpl;
  46 import net.pterodactylus.sone.database.PostBuilder;
  47 import net.pterodactylus.sone.database.PostReplyBuilder;
  48 import net.pterodactylus.sone.database.SoneBuilder;
  49 import net.pterodactylus.util.io.Closer;
  50 import net.pterodactylus.util.logging.Logging;
  51 import net.pterodactylus.util.number.Numbers;
  52 import net.pterodactylus.util.service.AbstractService;
  53 import net.pterodactylus.util.xml.SimpleXML;
  54 import net.pterodactylus.util.xml.XML;
  55
  56 import freenet.client.FetchResult;
  57 import freenet.client.async.ClientContext;
  58 import freenet.client.async.USKCallback;
  59 import freenet.keys.FreenetURI;
  60 import freenet.keys.USK;
  61 import freenet.node.RequestStarter;
  62 import freenet.support.api.Bucket;
  63
  64 import com.db4o.ObjectContainer;
  65
  66 import com.google.common.annotations.VisibleForTesting;
  67 import org.w3c.dom.Document;
  68
  69 /**
  70  * The Sone downloader is responsible for download Sones as they are updated.
  71  *
  72  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  73  */
  74 public class SoneDownloaderImpl extends AbstractService implements SoneDownloader {
  75
  76         /** The logger. */
  77         private static final Logger logger = Logging.getLogger(SoneDownloaderImpl.class);
  78
  79         /** The maximum protocol version. */
  80         private static final int MAX_PROTOCOL_VERSION = 0;
  81
  82         /** The core. */
  83         private final Core core;
  84
  85         /** The Freenet interface. */
  86         private final FreenetInterface freenetInterface;
  87
  88         /** The sones to update. */
  89         private final Set<Sone> sones = new HashSet<Sone>();
  90
  91         /**
  92          * Creates a new Sone downloader.
  93          *
  94          * @param core
  95          *              The core
  96          * @param freenetInterface
  97          *              The Freenet interface
  98          */
  99         public SoneDownloaderImpl(Core core, FreenetInterface freenetInterface) {
 100                 super("Sone Downloader", false);
 101                 this.core = core;
 102                 this.freenetInterface = freenetInterface;
 103         }
 104
 105         //
 106         // ACTIONS
 107         //
 108
 109         /**
 110          * Adds the given Sone to the set of Sones that will be watched for updates.
 111          *
 112          * @param sone
 113          *              The Sone to add
 114          */
 115         @Override
 116         public void addSone(final Sone sone) {
 117                 if (!sones.add(sone)) {
 118                         freenetInterface.unregisterUsk(sone);
 119                 }
 120                 final USKCallback uskCallback = new USKCallback() {
 121
 122                         @Override
 123                         @SuppressWarnings("synthetic-access")
 124                         public void onFoundEdition(long edition, USK key,
 125                                         ObjectContainer objectContainer,
 126                                         ClientContext clientContext, boolean metadata,
 127                                         short codec, byte[] data, boolean newKnownGood,
 128                                         boolean newSlotToo) {
 129                                 logger.log(Level.FINE, format(
 130                                                 "Found USK update for Sone “%s” at %s, new known good: %s, new slot too: %s.",
 131                                                 sone, key, newKnownGood, newSlotToo));
 132                                 if (edition > sone.getLatestEdition()) {
 133                                         sone.setLatestEdition(edition);
 134                                         new Thread(fetchSoneAction(sone),
 135                                                         "Sone Downloader").start();
 136                                 }
 137                         }
 138
 139                         @Override
 140                         public short getPollingPriorityProgress() {
 141                                 return RequestStarter.INTERACTIVE_PRIORITY_CLASS;
 142                         }
 143
 144                         @Override
 145                         public short getPollingPriorityNormal() {
 146                                 return RequestStarter.INTERACTIVE_PRIORITY_CLASS;
 147                         }
 148                 };
 149                 if (soneHasBeenActiveRecently(sone)) {
 150                         freenetInterface.registerActiveUsk(sone.getRequestUri(),
 151                                         uskCallback);
 152                 } else {
 153                         freenetInterface.registerPassiveUsk(sone.getRequestUri(),
 154                                         uskCallback);
 155                 }
 156         }
 157
 158         private boolean soneHasBeenActiveRecently(Sone sone) {
 159                 return (currentTimeMillis() - sone.getTime()) < DAYS.toMillis(7);
 160         }
 161
 162         private void fetchSone(Sone sone) {
 163                 fetchSone(sone, sone.getRequestUri().sskForUSK());
 164         }
 165
 166         /**
 167          * Fetches the updated Sone. This method can be used to fetch a Sone from a
 168          * specific URI.
 169          *
 170          * @param sone
 171          *              The Sone to fetch
 172          * @param soneUri
 173          *              The URI to fetch the Sone from
 174          */
 175         @Override
 176         public void fetchSone(Sone sone, FreenetURI soneUri) {
 177                 fetchSone(sone, soneUri, false);
 178         }
 179
 180         /**
 181          * Fetches the Sone from the given URI.
 182          *
 183          * @param sone
 184          *              The Sone to fetch
 185          * @param soneUri
 186          *              The URI of the Sone to fetch
 187          * @param fetchOnly
 188          *              {@code true} to only fetch and parse the Sone, {@code false}
 189          *              to {@link Core#updateSone(Sone) update} it in the core
 190          * @return The downloaded Sone, or {@code null} if the Sone could not be
 191          *         downloaded
 192          */
 193         @Override
 194         public Sone fetchSone(Sone sone, FreenetURI soneUri, boolean fetchOnly) {
 195                 logger.log(Level.FINE, String.format("Starting fetch for Sone “%s” from %s…", sone, soneUri));
 196                 FreenetURI requestUri = soneUri.setMetaString(new String[] { "sone.xml" });
 197                 sone.setStatus(SoneStatus.downloading);
 198                 try {
 199                         Fetched fetchResults = freenetInterface.fetchUri(requestUri);
 200                         if (fetchResults == null) {
 201                                 /* TODO - mark Sone as bad. */
 202                                 return null;
 203                         }
 204                         logger.log(Level.FINEST, String.format("Got %d bytes back.", fetchResults.getFetchResult().size()));
 205                         Sone parsedSone = parseSone(sone, fetchResults.getFetchResult(), fetchResults.getFreenetUri());
 206                         if (parsedSone != null) {
 207                                 if (!fetchOnly) {
 208                                         parsedSone.setStatus((parsedSone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
 209                                         core.updateSone(parsedSone);
 210                                         addSone(parsedSone);
 211                                 }
 212                         }
 213                         return parsedSone;
 214                 } finally {
 215                         sone.setStatus((sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
 216                 }
 217         }
 218
 219         /**
 220          * Parses a Sone from a fetch result.
 221          *
 222          * @param originalSone
 223          *              The sone to parse, or {@code null} if the Sone is yet unknown
 224          * @param fetchResult
 225          *              The fetch result
 226          * @param requestUri
 227          *              The requested URI
 228          * @return The parsed Sone, or {@code null} if the Sone could not be parsed
 229          */
 230         private Sone parseSone(Sone originalSone, FetchResult fetchResult, FreenetURI requestUri) {
 231                 logger.log(Level.FINEST, String.format("Parsing FetchResult (%d bytes, %s) for %s…", fetchResult.size(), fetchResult.getMimeType(), originalSone));
 232                 Bucket soneBucket = fetchResult.asBucket();
 233                 InputStream soneInputStream = null;
 234                 try {
 235                         soneInputStream = soneBucket.getInputStream();
 236                         Sone parsedSone = parseSone(originalSone, soneInputStream);
 237                         if (parsedSone != null) {
 238                                 parsedSone.setLatestEdition(requestUri.getEdition());
 239                         }
 240                         return parsedSone;
 241                 } catch (Exception e1) {
 242                         logger.log(Level.WARNING, String.format("Could not parse Sone from %s!", requestUri), e1);
 243                 } finally {
 244                         Closer.close(soneInputStream);
 245                         soneBucket.free();
 246                 }
 247                 return null;
 248         }
 249
 250         /**
 251          * Parses a Sone from the given input stream and creates a new Sone from the
 252          * parsed data.
 253          *
 254          * @param originalSone
 255          *              The Sone to update
 256          * @param soneInputStream
 257          *              The input stream to parse the Sone from
 258          * @return The parsed Sone
 259          * @throws SoneException
 260          *              if a parse error occurs, or the protocol is invalid
 261          */
 262         @VisibleForTesting
 263         protected Sone parseSone(Sone originalSone, InputStream soneInputStream) throws SoneException {
 264                 /* TODO - impose a size limit? */
 265
 266                 Document document;
 267                 /* XML parsing is not thread-safe. */
 268                 synchronized (this) {
 269                         document = XML.transformToDocument(soneInputStream);
 270                 }
 271                 if (document == null) {
 272                         /* TODO - mark Sone as bad. */
 273                         logger.log(Level.WARNING, String.format("Could not parse XML for Sone %s!", originalSone));
 274                         return null;
 275                 }
 276
 277                 SoneBuilder soneBuilder = core.soneBuilder().from(originalSone.getIdentity());
 278                 if (originalSone.isLocal()) {
 279                         soneBuilder = soneBuilder.local();
 280                 }
 281                 Sone sone = soneBuilder.build();
 282
 283                 SimpleXML soneXml;
 284                 try {
 285                         soneXml = SimpleXML.fromDocument(document);
 286                 } catch (NullPointerException npe1) {
 287                         /* for some reason, invalid XML can cause NPEs. */
 288                         logger.log(Level.WARNING, String.format("XML for Sone %s can not be parsed!", sone), npe1);
 289                         return null;
 290                 }
 291
 292                 Integer protocolVersion = null;
 293                 String soneProtocolVersion = soneXml.getValue("protocol-version", null);
 294                 if (soneProtocolVersion != null) {
 295                         protocolVersion = Numbers.safeParseInteger(soneProtocolVersion);
 296                 }
 297                 if (protocolVersion == null) {
 298                         logger.log(Level.INFO, "No protocol version found, assuming 0.");
 299                         protocolVersion = 0;
 300                 }
 301
 302                 if (protocolVersion < 0) {
 303                         logger.log(Level.WARNING, String.format("Invalid protocol version: %d! Not parsing Sone.", protocolVersion));
 304                         return null;
 305                 }
 306
 307                 /* check for valid versions. */
 308                 if (protocolVersion > MAX_PROTOCOL_VERSION) {
 309                         logger.log(Level.WARNING, String.format("Unknown protocol version: %d! Not parsing Sone.", protocolVersion));
 310                         return null;
 311                 }
 312
 313                 String soneTime = soneXml.getValue("time", null);
 314                 if (soneTime == null) {
 315                         /* TODO - mark Sone as bad. */
 316                         logger.log(Level.WARNING, String.format("Downloaded time for Sone %s was null!", sone));
 317                         return null;
 318                 }
 319                 try {
 320                         sone.setTime(Long.parseLong(soneTime));
 321                 } catch (NumberFormatException nfe1) {
 322                         /* TODO - mark Sone as bad. */
 323                         logger.log(Level.WARNING, String.format("Downloaded Sone %s with invalid time: %s", sone, soneTime));
 324                         return null;
 325                 }
 326
 327                 SimpleXML clientXml = soneXml.getNode("client");
 328                 if (clientXml != null) {
 329                         String clientName = clientXml.getValue("name", null);
 330                         String clientVersion = clientXml.getValue("version", null);
 331                         if ((clientName == null) || (clientVersion == null)) {
 332                                 logger.log(Level.WARNING, String.format("Download Sone %s with client XML but missing name or version!", sone));
 333                                 return null;
 334                         }
 335                         sone.setClient(new Client(clientName, clientVersion));
 336                 }
 337
 338                 SimpleXML profileXml = soneXml.getNode("profile");
 339                 if (profileXml == null) {
 340                         /* TODO - mark Sone as bad. */
 341                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no profile!", sone));
 342                         return null;
 343                 }
 344
 345                 /* parse profile. */
 346                 String profileFirstName = profileXml.getValue("first-name", null);
 347                 String profileMiddleName = profileXml.getValue("middle-name", null);
 348                 String profileLastName = profileXml.getValue("last-name", null);
 349                 Integer profileBirthDay = Numbers.safeParseInteger(profileXml.getValue("birth-day", null));
 350                 Integer profileBirthMonth = Numbers.safeParseInteger(profileXml.getValue("birth-month", null));
 351                 Integer profileBirthYear = Numbers.safeParseInteger(profileXml.getValue("birth-year", null));
 352                 Profile profile = new Profile(sone).setFirstName(profileFirstName).setMiddleName(profileMiddleName).setLastName(profileLastName);
 353                 profile.setBirthDay(profileBirthDay).setBirthMonth(profileBirthMonth).setBirthYear(profileBirthYear);
 354                 /* avatar is processed after images are loaded. */
 355                 String avatarId = profileXml.getValue("avatar", null);
 356
 357                 /* parse profile fields. */
 358                 SimpleXML profileFieldsXml = profileXml.getNode("fields");
 359                 if (profileFieldsXml != null) {
 360                         for (SimpleXML fieldXml : profileFieldsXml.getNodes("field")) {
 361                                 String fieldName = fieldXml.getValue("field-name", null);
 362                                 String fieldValue = fieldXml.getValue("field-value", "");
 363                                 if (fieldName == null) {
 364                                         logger.log(Level.WARNING, String.format("Downloaded profile field for Sone %s with missing data! Name: %s, Value: %s", sone, fieldName, fieldValue));
 365                                         return null;
 366                                 }
 367                                 try {
 368                                         profile.addField(fieldName.trim()).setValue(fieldValue);
 369                                 } catch (IllegalArgumentException iae1) {
 370                                         logger.log(Level.WARNING, String.format("Duplicate field: %s", fieldName), iae1);
 371                                         return null;
 372                                 }
 373                         }
 374                 }
 375
 376                 /* parse posts. */
 377                 SimpleXML postsXml = soneXml.getNode("posts");
 378                 Set<Post> posts = new HashSet<Post>();
 379                 if (postsXml == null) {
 380                         /* TODO - mark Sone as bad. */
 381                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no posts!", sone));
 382                 } else {
 383                         for (SimpleXML postXml : postsXml.getNodes("post")) {
 384                                 String postId = postXml.getValue("id", null);
 385                                 String postRecipientId = postXml.getValue("recipient", null);
 386                                 String postTime = postXml.getValue("time", null);
 387                                 String postText = postXml.getValue("text", null);
 388                                 if ((postId == null) || (postTime == null) || (postText == null)) {
 389                                         /* TODO - mark Sone as bad. */
 390                                         logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with missing data! ID: %s, Time: %s, Text: %s", sone, postId, postTime, postText));
 391                                         return null;
 392                                 }
 393                                 try {
 394                                         PostBuilder postBuilder = core.postBuilder();
 395                                         /* TODO - parse time correctly. */
 396                                         postBuilder.withId(postId).from(sone.getId()).withTime(Long.parseLong(postTime)).withText(postText);
 397                                         if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
 398                                                 postBuilder.to(postRecipientId);
 399                                         }
 400                                         posts.add(postBuilder.build());
 401                                 } catch (NumberFormatException nfe1) {
 402                                         /* TODO - mark Sone as bad. */
 403                                         logger.log(Level.WARNING, String.format("Downloaded post for Sone %s with invalid time: %s", sone, postTime));
 404                                         return null;
 405                                 }
 406                         }
 407                 }
 408
 409                 /* parse replies. */
 410                 SimpleXML repliesXml = soneXml.getNode("replies");
 411                 Set<PostReply> replies = new HashSet<PostReply>();
 412                 if (repliesXml == null) {
 413                         /* TODO - mark Sone as bad. */
 414                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no replies!", sone));
 415                 } else {
 416                         for (SimpleXML replyXml : repliesXml.getNodes("reply")) {
 417                                 String replyId = replyXml.getValue("id", null);
 418                                 String replyPostId = replyXml.getValue("post-id", null);
 419                                 String replyTime = replyXml.getValue("time", null);
 420                                 String replyText = replyXml.getValue("text", null);
 421                                 if ((replyId == null) || (replyPostId == null) || (replyTime == null) || (replyText == null)) {
 422                                         /* TODO - mark Sone as bad. */
 423                                         logger.log(Level.WARNING, String.format("Downloaded reply for Sone %s with missing data! ID: %s, Post: %s, Time: %s, Text: %s", sone, replyId, replyPostId, replyTime, replyText));
 424                                         return null;
 425                                 }
 426                                 try {
 427                                         PostReplyBuilder postReplyBuilder = core.postReplyBuilder();
 428                                         /* TODO - parse time correctly. */
 429                                         postReplyBuilder.withId(replyId).from(sone.getId()).to(replyPostId).withTime(Long.parseLong(replyTime)).withText(replyText);
 430                                         replies.add(postReplyBuilder.build());
 431                                 } catch (NumberFormatException nfe1) {
 432                                         /* TODO - mark Sone as bad. */
 433                                         logger.log(Level.WARNING, String.format("Downloaded reply for Sone %s with invalid time: %s", sone, replyTime));
 434                                         return null;
 435                                 }
 436                         }
 437                 }
 438
 439                 /* parse liked post IDs. */
 440                 SimpleXML likePostIdsXml = soneXml.getNode("post-likes");
 441                 Set<String> likedPostIds = new HashSet<String>();
 442                 if (likePostIdsXml == null) {
 443                         /* TODO - mark Sone as bad. */
 444                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no post likes!", sone));
 445                 } else {
 446                         for (SimpleXML likedPostIdXml : likePostIdsXml.getNodes("post-like")) {
 447                                 String postId = likedPostIdXml.getValue();
 448                                 likedPostIds.add(postId);
 449                         }
 450                 }
 451
 452                 /* parse liked reply IDs. */
 453                 SimpleXML likeReplyIdsXml = soneXml.getNode("reply-likes");
 454                 Set<String> likedReplyIds = new HashSet<String>();
 455                 if (likeReplyIdsXml == null) {
 456                         /* TODO - mark Sone as bad. */
 457                         logger.log(Level.WARNING, String.format("Downloaded Sone %s has no reply likes!", sone));
 458                 } else {
 459                         for (SimpleXML likedReplyIdXml : likeReplyIdsXml.getNodes("reply-like")) {
 460                                 String replyId = likedReplyIdXml.getValue();
 461                                 likedReplyIds.add(replyId);
 462                         }
 463                 }
 464
 465                 /* parse albums. */
 466                 SimpleXML albumsXml = soneXml.getNode("albums");
 467                 Map<String, Image> allImages = new HashMap<String, Image>();
 468                 List<Album> topLevelAlbums = new ArrayList<Album>();
 469                 if (albumsXml != null) {
 470                         for (SimpleXML albumXml : albumsXml.getNodes("album")) {
 471                                 String id = albumXml.getValue("id", null);
 472                                 String parentId = albumXml.getValue("parent", null);
 473                                 String title = albumXml.getValue("title", null);
 474                                 String description = albumXml.getValue("description", "");
 475                                 String albumImageId = albumXml.getValue("album-image", null);
 476                                 if ((id == null) || (title == null)) {
 477                                         logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid album!", sone));
 478                                         return null;
 479                                 }
 480                                 Album parent = null;
 481                                 if (parentId != null) {
 482                                         parent = core.getAlbum(parentId);
 483                                         if (parent == null) {
 484                                                 logger.log(Level.WARNING, String.format("Downloaded Sone %s has album with invalid parent!", sone));
 485                                                 return null;
 486                                         }
 487                                 }
 488                                 Album album = core.albumBuilder()
 489                                                 .withId(id)
 490                                                 .by(sone)
 491                                                 .build()
 492                                                 .modify()
 493                                                 .setTitle(title)
 494                                                 .setDescription(description)
 495                                                 .update();
 496                                 if (parent != null) {
 497                                         parent.addAlbum(album);
 498                                 } else {
 499                                         topLevelAlbums.add(album);
 500                                 }
 501                                 SimpleXML imagesXml = albumXml.getNode("images");
 502                                 if (imagesXml != null) {
 503                                         for (SimpleXML imageXml : imagesXml.getNodes("image")) {
 504                                                 String imageId = imageXml.getValue("id", null);
 505                                                 String imageCreationTimeString = imageXml.getValue("creation-time", null);
 506                                                 String imageKey = imageXml.getValue("key", null);
 507                                                 String imageTitle = imageXml.getValue("title", null);
 508                                                 String imageDescription = imageXml.getValue("description", "");
 509                                                 String imageWidthString = imageXml.getValue("width", null);
 510                                                 String imageHeightString = imageXml.getValue("height", null);
 511                                                 if ((imageId == null) || (imageCreationTimeString == null) || (imageKey == null) || (imageTitle == null) || (imageWidthString == null) || (imageHeightString == null)) {
 512                                                         logger.log(Level.WARNING, String.format("Downloaded Sone %s contains invalid images!", sone));
 513                                                         return null;
 514                                                 }
 515                                                 long creationTime = Numbers.safeParseLong(imageCreationTimeString, 0L);
 516                                                 int imageWidth = Numbers.safeParseInteger(imageWidthString, 0);
 517                                                 int imageHeight = Numbers.safeParseInteger(imageHeightString, 0);
 518                                                 if ((imageWidth < 1) || (imageHeight < 1)) {
 519                                                         logger.log(Level.WARNING, String.format("Downloaded Sone %s contains image %s with invalid dimensions (%s, %s)!", sone, imageId, imageWidthString, imageHeightString));
 520                                                         return null;
 521                                                 }
 522                                                 Image image = core.imageBuilder().withId(imageId).build().modify().setSone(sone).setKey(imageKey).setCreationTime(creationTime).update();
 523                                                 image = image.modify().setTitle(imageTitle).setDescription(imageDescription).update();
 524                                                 image = image.modify().setWidth(imageWidth).setHeight(imageHeight).update();
 525                                                 album.addImage(image);
 526                                                 allImages.put(imageId, image);
 527                                         }
 528                                 }
 529                                 album.modify().setAlbumImage(albumImageId).update();
 530                         }
 531                 }
 532
 533                 /* process avatar. */
 534                 if (avatarId != null) {
 535                         profile.setAvatar(allImages.get(avatarId));
 536                 }
 537
 538                 /* okay, apparently everything was parsed correctly. Now import. */
 539                 /* atomic setter operation on the Sone. */
 540                 synchronized (sone) {
 541                         sone.setProfile(profile);
 542                         sone.setPosts(posts);
 543                         sone.setReplies(replies);
 544                         sone.setLikePostIds(likedPostIds);
 545                         sone.setLikeReplyIds(likedReplyIds);
 546                         for (Album album : topLevelAlbums) {
 547                                 sone.getRootAlbum().addAlbum(album);
 548                         }
 549                 }
 550
 551                 return sone;
 552         }
 553
 554         @Override
 555         public Runnable fetchSoneWithUriAction(final Sone sone) {
 556                 return new Runnable() {
 557                         @Override
 558                         public void run() {
 559                                 fetchSone(sone, sone.getRequestUri());
 560                         }
 561                 };
 562         }
 563
 564         @Override
 565         public Runnable fetchSoneAction(final Sone sone) {
 566                 return new Runnable() {
 567                         @Override
 568                         public void run() {
 569                                 fetchSone(sone);
 570                         }
 571                 };
 572         }
 573
 574         /** {@inheritDoc} */
 575         @Override
 576         protected void serviceStop() {
 577                 for (Sone sone : sones) {
 578                         freenetInterface.unregisterUsk(sone);
 579                 }
 580         }
 581
 582 }