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

   1 /*
   2  * FreenetSone - Core.java - Copyright © 2010 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 java.net.MalformedURLException;
  21 import java.util.ArrayList;
  22 import java.util.Collection;
  23 import java.util.Collections;
  24 import java.util.Comparator;
  25 import java.util.HashMap;
  26 import java.util.HashSet;
  27 import java.util.List;
  28 import java.util.Map;
  29 import java.util.Set;
  30 import java.util.UUID;
  31 import java.util.logging.Level;
  32 import java.util.logging.Logger;
  33
  34 import net.pterodactylus.sone.core.SoneException.Type;
  35 import net.pterodactylus.sone.data.Post;
  36 import net.pterodactylus.sone.data.Profile;
  37 import net.pterodactylus.sone.data.Reply;
  38 import net.pterodactylus.sone.data.Sone;
  39 import net.pterodactylus.util.config.Configuration;
  40 import net.pterodactylus.util.config.ConfigurationException;
  41 import net.pterodactylus.util.filter.Filter;
  42 import net.pterodactylus.util.filter.Filters;
  43 import net.pterodactylus.util.logging.Logging;
  44 import net.pterodactylus.util.service.AbstractService;
  45 import freenet.client.FetchResult;
  46 import freenet.keys.FreenetURI;
  47
  48 /**
  49  * The Sone core.
  50  *
  51  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  52  */
  53 public class Core extends AbstractService {
  54
  55         /**
  56          * Enumeration for the possible states of a {@link Sone}.
  57          *
  58          * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  59          */
  60         public enum SoneStatus {
  61
  62                 /** The Sone is idle, i.e. not being downloaded or inserted. */
  63                 idle,
  64
  65                 /** The Sone is currently being inserted. */
  66                 inserting,
  67
  68                 /** The Sone is currently being downloaded. */
  69                 downloading,
  70         }
  71
  72         /** The logger. */
  73         private static final Logger logger = Logging.getLogger(Core.class);
  74
  75         /** The configuration. */
  76         private Configuration configuration;
  77
  78         /** Interface to freenet. */
  79         private FreenetInterface freenetInterface;
  80
  81         /** The Sone downloader. */
  82         private SoneDownloader soneDownloader;
  83
  84         /** The local Sones. */
  85         private final Set<Sone> localSones = new HashSet<Sone>();
  86
  87         /** Sone inserters. */
  88         private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
  89
  90         /** The Sones’ statuses. */
  91         private final Map<Sone, SoneStatus> soneStatuses = new HashMap<Sone, SoneStatus>();
  92
  93         /* various caches follow here. */
  94
  95         /** Cache for all known Sones. */
  96         private final Map<String, Sone> soneCache = new HashMap<String, Sone>();
  97
  98         /** Cache for all known posts. */
  99         private final Map<String, Post> postCache = new HashMap<String, Post>();
 100
 101         /** Cache for all known replies. */
 102         private final Map<String, Reply> replyCache = new HashMap<String, Reply>();
 103
 104         /**
 105          * Creates a new core.
 106          */
 107         public Core() {
 108                 super("Sone Core");
 109         }
 110
 111         //
 112         // ACCESSORS
 113         //
 114
 115         /**
 116          * Sets the configuration of the core.
 117          *
 118          * @param configuration
 119          *            The configuration of the core
 120          * @return This core (for method chaining)
 121          */
 122         public Core configuration(Configuration configuration) {
 123                 this.configuration = configuration;
 124                 return this;
 125         }
 126
 127         /**
 128          * Sets the Freenet interface to use.
 129          *
 130          * @param freenetInterface
 131          *            The Freenet interface to use
 132          * @return This core (for method chaining)
 133          */
 134         public Core freenetInterface(FreenetInterface freenetInterface) {
 135                 this.freenetInterface = freenetInterface;
 136                 soneDownloader = new SoneDownloader(this, freenetInterface);
 137                 soneDownloader.start();
 138                 return this;
 139         }
 140
 141         /**
 142          * Returns the local Sones.
 143          *
 144          * @return The local Sones
 145          */
 146         public Set<Sone> getSones() {
 147                 return Collections.unmodifiableSet(localSones);
 148         }
 149
 150         /**
 151          * Returns the Sone with the given ID, or an empty Sone that has been
 152          * initialized with the given ID.
 153          *
 154          * @param soneId
 155          *            The ID of the Sone
 156          * @return The Sone
 157          */
 158         public Sone getSone(String soneId) {
 159                 if (!soneCache.containsKey(soneId)) {
 160                         Sone sone = new Sone(soneId);
 161                         soneCache.put(soneId, sone);
 162                         setSoneStatus(sone, SoneStatus.idle);
 163                 }
 164                 return soneCache.get(soneId);
 165         }
 166
 167         /**
 168          * Returns all known sones.
 169          *
 170          * @return All known sones
 171          */
 172         public Collection<Sone> getKnownSones() {
 173                 return soneCache.values();
 174         }
 175
 176         /**
 177          * Gets all known Sones that are not local Sones.
 178          *
 179          * @return All remote Sones
 180          */
 181         public Collection<Sone> getRemoteSones() {
 182                 return Filters.filteredCollection(getKnownSones(), new Filter<Sone>() {
 183
 184                         @Override
 185                         @SuppressWarnings("synthetic-access")
 186                         public boolean filterObject(Sone object) {
 187                                 return !localSones.contains(object);
 188                         }
 189                 });
 190         }
 191
 192         /**
 193          * Returns the status of the given Sone.
 194          *
 195          * @param sone
 196          *            The Sone to get the status for
 197          * @return The status of the Sone
 198          */
 199         public SoneStatus getSoneStatus(Sone sone) {
 200                 return soneStatuses.get(sone);
 201         }
 202
 203         /**
 204          * Sets the status of the Sone.
 205          *
 206          * @param sone
 207          *            The Sone to set the status for
 208          * @param soneStatus
 209          *            The status of the Sone
 210          */
 211         public void setSoneStatus(Sone sone, SoneStatus soneStatus) {
 212                 soneStatuses.put(sone, soneStatus);
 213         }
 214
 215         /**
 216          * Creates a new post and adds it to the given Sone.
 217          *
 218          * @param sone
 219          *            The sone that creates the post
 220          * @param text
 221          *            The text of the post
 222          * @return The created post
 223          */
 224         public Post createPost(Sone sone, String text) {
 225                 return createPost(sone, System.currentTimeMillis(), text);
 226         }
 227
 228         /**
 229          * Creates a new post and adds it to the given Sone.
 230          *
 231          * @param sone
 232          *            The Sone that creates the post
 233          * @param time
 234          *            The time of the post
 235          * @param text
 236          *            The text of the post
 237          * @return The created post
 238          */
 239         public Post createPost(Sone sone, long time, String text) {
 240                 Post post = getPost(UUID.randomUUID().toString()).setSone(sone).setTime(time).setText(text);
 241                 sone.addPost(post);
 242                 return post;
 243         }
 244
 245         /**
 246          * Creates a reply.
 247          *
 248          * @param sone
 249          *            The Sone that posts the reply
 250          * @param post
 251          *            The post the reply refers to
 252          * @param text
 253          *            The text of the reply
 254          * @return The created reply
 255          */
 256         public Reply createReply(Sone sone, Post post, String text) {
 257                 return createReply(sone, post, System.currentTimeMillis(), text);
 258         }
 259
 260         /**
 261          * Creates a reply.
 262          *
 263          * @param sone
 264          *            The Sone that posts the reply
 265          * @param post
 266          *            The post the reply refers to
 267          * @param time
 268          *            The time of the post
 269          * @param text
 270          *            The text of the reply
 271          * @return The created reply
 272          */
 273         public Reply createReply(Sone sone, Post post, long time, String text) {
 274                 Reply reply = getReply(UUID.randomUUID().toString()).setSone(sone).setPost(post).setTime(time).setText(text);
 275                 sone.addReply(reply);
 276                 return reply;
 277         }
 278
 279         //
 280         // ACTIONS
 281         //
 282
 283         /**
 284          * Adds a Sone to watch for updates. The Sone needs to be completely
 285          * initialized.
 286          *
 287          * @param sone
 288          *            The Sone to watch for updates
 289          */
 290         public void addSone(Sone sone) {
 291                 soneCache.put(sone.getId(), sone);
 292                 if (!localSones.contains(sone)) {
 293                         soneDownloader.addSone(sone);
 294                 }
 295         }
 296
 297         /**
 298          * Adds the given Sone.
 299          *
 300          * @param sone
 301          *            The Sone to add
 302          */
 303         public void addLocalSone(Sone sone) {
 304                 if (localSones.add(sone)) {
 305                         SoneInserter soneInserter = new SoneInserter(this, freenetInterface, sone);
 306                         soneInserter.start();
 307                         soneInserters.put(sone, soneInserter);
 308                 }
 309         }
 310
 311         /**
 312          * Creates a new Sone at a random location.
 313          *
 314          * @param name
 315          *            The name of the Sone
 316          * @return The created Sone
 317          * @throws SoneException
 318          *             if a Sone error occurs
 319          */
 320         public Sone createSone(String name) throws SoneException {
 321                 return createSone(name, "Sone-" + name, null, null);
 322         }
 323
 324         /**
 325          * Creates a new Sone at the given location. If one of {@code requestUri} or
 326          * {@code insertUrI} is {@code null}, the Sone is created at a random
 327          * location.
 328          *
 329          * @param name
 330          *            The name of the Sone
 331          * @param documentName
 332          *            The document name in the SSK
 333          * @param requestUri
 334          *            The request URI of the Sone, or {@link NullPointerException}
 335          *            to create a Sone at a random location
 336          * @param insertUri
 337          *            The insert URI of the Sone, or {@code null} to create a Sone
 338          *            at a random location
 339          * @return The created Sone
 340          * @throws SoneException
 341          *             if a Sone error occurs
 342          */
 343         public Sone createSone(String name, String documentName, String requestUri, String insertUri) throws SoneException {
 344                 if ((name == null) || (name.trim().length() == 0)) {
 345                         throw new SoneException(Type.INVALID_SONE_NAME);
 346                 }
 347                 String finalRequestUri;
 348                 String finalInsertUri;
 349                 if ((requestUri == null) || (insertUri == null)) {
 350                         String[] keyPair = freenetInterface.generateKeyPair();
 351                         finalRequestUri = keyPair[0];
 352                         finalInsertUri = keyPair[1];
 353                 } else {
 354                         finalRequestUri = requestUri;
 355                         finalInsertUri = insertUri;
 356                 }
 357                 Sone sone;
 358                 try {
 359                         logger.log(Level.FINEST, "Creating new Sone “%s” at %s (%s)…", new Object[] { name, finalRequestUri, finalInsertUri });
 360                         sone = getSone(UUID.randomUUID().toString()).setName(name).setRequestUri(new FreenetURI(finalRequestUri).setKeyType("USK").setDocName(documentName)).setInsertUri(new FreenetURI(finalInsertUri).setKeyType("USK").setDocName(documentName));
 361                         sone.setProfile(new Profile());
 362                         /* set modification counter to 1 so it is inserted immediately. */
 363                         sone.setModificationCounter(1);
 364                         addLocalSone(sone);
 365                 } catch (MalformedURLException mue1) {
 366                         throw new SoneException(Type.INVALID_URI);
 367                 }
 368                 return sone;
 369         }
 370
 371         /**
 372          * Loads the Sone from the given request URI. The fetching of the data is
 373          * performed in a new thread so this method returns immediately.
 374          *
 375          * @param requestUri
 376          *            The request URI to load the Sone from
 377          */
 378         public void loadSone(final String requestUri) {
 379                 loadSone(requestUri, null);
 380         }
 381
 382         /**
 383          * Loads the Sone from the given request URI. The fetching of the data is
 384          * performed in a new thread so this method returns immediately. If
 385          * {@code insertUri} is not {@code null} the loaded Sone is converted into a
 386          * local Sone and available using as any other local Sone.
 387          *
 388          * @param requestUri
 389          *            The request URI to load the Sone from
 390          * @param insertUri
 391          *            The insert URI of the Sone
 392          */
 393         public void loadSone(final String requestUri, final String insertUri) {
 394                 new Thread(new Runnable() {
 395
 396                         @Override
 397                         @SuppressWarnings("synthetic-access")
 398                         public void run() {
 399                                 try {
 400                                         FreenetURI realRequestUri = new FreenetURI(requestUri).setMetaString(new String[] { "sone.xml" });
 401                                         FetchResult fetchResult = freenetInterface.fetchUri(realRequestUri);
 402                                         Sone parsedSone = soneDownloader.parseSone(null, fetchResult, realRequestUri);
 403                                         if (parsedSone != null) {
 404                                                 if (insertUri != null) {
 405                                                         parsedSone.setInsertUri(new FreenetURI(insertUri));
 406                                                         addLocalSone(parsedSone);
 407                                                 } else {
 408                                                         addSone(parsedSone);
 409                                                 }
 410                                         }
 411                                 } catch (MalformedURLException mue1) {
 412                                         logger.log(Level.INFO, "Could not create URI from “" + requestUri + "”.", mue1);
 413                                 }
 414                         }
 415                 }, "Sone Downloader").start();
 416         }
 417
 418         /**
 419          * Loads and updates the given Sone.
 420          *
 421          * @param sone
 422          *            The Sone to load
 423          */
 424         public void loadSone(final Sone sone) {
 425                 new Thread(new Runnable() {
 426
 427                         @Override
 428                         @SuppressWarnings("synthetic-access")
 429                         public void run() {
 430                                 FreenetURI realRequestUri = sone.getRequestUri().setMetaString(new String[] { "sone.xml" });
 431                                 FetchResult fetchResult = freenetInterface.fetchUri(realRequestUri);
 432                                 Sone parsedSone = soneDownloader.parseSone(sone, fetchResult, realRequestUri);
 433                                 if (parsedSone != null) {
 434                                         addSone(parsedSone);
 435                                 }
 436                         }
 437                 }, "Sone Downloader").start();
 438         }
 439
 440         /**
 441          * Deletes the given Sone from this plugin instance.
 442          *
 443          * @param sone
 444          *            The sone to delete
 445          */
 446         public void deleteSone(Sone sone) {
 447                 SoneInserter soneInserter = soneInserters.remove(sone);
 448                 soneInserter.stop();
 449                 localSones.remove(sone);
 450         }
 451
 452         /**
 453          * Returns the post with the given ID. If no post exists yet with the given
 454          * ID, a new post is returned.
 455          *
 456          * @param postId
 457          *            The ID of the post
 458          * @return The post
 459          */
 460         public Post getPost(String postId) {
 461                 if (!postCache.containsKey(postId)) {
 462                         postCache.put(postId, new Post(postId));
 463                 }
 464                 return postCache.get(postId);
 465         }
 466
 467         /**
 468          * Returns the reply with the given ID. If no reply exists yet with the
 469          * given ID, a new reply is returned.
 470          *
 471          * @param replyId
 472          *            The ID of the reply
 473          * @return The reply
 474          */
 475         public Reply getReply(String replyId) {
 476                 if (!replyCache.containsKey(replyId)) {
 477                         replyCache.put(replyId, new Reply(replyId));
 478                 }
 479                 return replyCache.get(replyId);
 480         }
 481
 482         /**
 483          * Gets all replies to the given post, sorted by date, oldest first.
 484          *
 485          * @param post
 486          *            The post the replies refer to
 487          * @return The sorted list of replies for the post
 488          */
 489         public List<Reply> getReplies(Post post) {
 490                 List<Reply> replies = new ArrayList<Reply>();
 491                 for (Reply reply : replyCache.values()) {
 492                         if (reply.getPost().equals(post)) {
 493                                 replies.add(reply);
 494                         }
 495                 }
 496                 Collections.sort(replies, new Comparator<Reply>() {
 497
 498                         /**
 499                          * {@inheritDoc}
 500                          */
 501                         @Override
 502                         public int compare(Reply leftReply, Reply rightReply) {
 503                                 return (int) Math.max(Integer.MIN_VALUE, Math.min(Integer.MAX_VALUE, leftReply.getTime() - rightReply.getTime()));
 504                         }
 505                 });
 506                 return replies;
 507         }
 508
 509         //
 510         // SERVICE METHODS
 511         //
 512
 513         /**
 514          * {@inheritDoc}
 515          */
 516         @Override
 517         protected void serviceStart() {
 518                 loadConfiguration();
 519         }
 520
 521         /**
 522          * {@inheritDoc}
 523          */
 524         @Override
 525         protected void serviceStop() {
 526                 soneDownloader.stop();
 527                 /* stop all Sone inserters. */
 528                 for (SoneInserter soneInserter : soneInserters.values()) {
 529                         soneInserter.stop();
 530                 }
 531                 saveConfiguration();
 532         }
 533
 534         //
 535         // PRIVATE METHODS
 536         //
 537
 538         /**
 539          * Loads the configuration.
 540          */
 541         private void loadConfiguration() {
 542                 logger.entering(Core.class.getName(), "loadConfiguration()");
 543
 544                 /* parse local Sones. */
 545                 logger.log(Level.INFO, "Loading Sones…");
 546                 int soneId = 0;
 547                 do {
 548                         String sonePrefix = "Sone/Sone." + soneId++;
 549                         String id = configuration.getStringValue(sonePrefix + "/ID").getValue(null);
 550                         if (id == null) {
 551                                 break;
 552                         }
 553                         String name = configuration.getStringValue(sonePrefix + "/Name").getValue(null);
 554                         long time = configuration.getLongValue(sonePrefix + "/Time").getValue((long) 0);
 555                         String insertUri = configuration.getStringValue(sonePrefix + "/InsertURI").getValue(null);
 556                         String requestUri = configuration.getStringValue(sonePrefix + "/RequestURI").getValue(null);
 557                         long modificationCounter = configuration.getLongValue(sonePrefix + "/ModificationCounter").getValue((long) 0);
 558                         String firstName = configuration.getStringValue(sonePrefix + "/Profile/FirstName").getValue(null);
 559                         String middleName = configuration.getStringValue(sonePrefix + "/Profile/MiddleName").getValue(null);
 560                         String lastName = configuration.getStringValue(sonePrefix + "/Profile/LastName").getValue(null);
 561                         try {
 562                                 Profile profile = new Profile();
 563                                 profile.setFirstName(firstName);
 564                                 profile.setMiddleName(middleName);
 565                                 profile.setLastName(lastName);
 566                                 Sone sone = getSone(id).setName(name).setTime(time).setRequestUri(new FreenetURI(requestUri)).setInsertUri(new FreenetURI(insertUri));
 567                                 sone.setProfile(profile);
 568                                 int postId = 0;
 569                                 do {
 570                                         String postPrefix = sonePrefix + "/Post." + postId++;
 571                                         id = configuration.getStringValue(postPrefix + "/ID").getValue(null);
 572                                         if (id == null) {
 573                                                 break;
 574                                         }
 575                                         time = configuration.getLongValue(postPrefix + "/Time").getValue((long) 0);
 576                                         String text = configuration.getStringValue(postPrefix + "/Text").getValue(null);
 577                                         Post post = getPost(id).setSone(sone).setTime(time).setText(text);
 578                                         sone.addPost(post);
 579                                 } while (true);
 580                                 int replyCounter = 0;
 581                                 do {
 582                                         String replyPrefix = sonePrefix + "/Reply." + replyCounter++;
 583                                         String replyId = configuration.getStringValue(replyPrefix + "/ID").getValue(null);
 584                                         if (replyId == null) {
 585                                                 break;
 586                                         }
 587                                         Post replyPost = getPost(configuration.getStringValue(replyPrefix + "/Post").getValue(null));
 588                                         long replyTime = configuration.getLongValue(replyPrefix + "/Time").getValue(null);
 589                                         String replyText = configuration.getStringValue(replyPrefix + "/Text").getValue(null);
 590                                         Reply reply = getReply(replyId).setSone(sone).setPost(replyPost).setTime(replyTime).setText(replyText);
 591                                         sone.addReply(reply);
 592                                 } while (true);
 593
 594                                 /* load friends. */
 595                                 int friendCounter = 0;
 596                                 while (true) {
 597                                         String friendPrefix = sonePrefix + "/Friend." + friendCounter++;
 598                                         String friendId = configuration.getStringValue(friendPrefix + "/ID").getValue(null);
 599                                         if (friendId == null) {
 600                                                 break;
 601                                         }
 602                                         Sone friendSone = getSone(friendId);
 603                                         String friendKey = configuration.getStringValue(friendPrefix + "/Key").getValue(null);
 604                                         String friendName = configuration.getStringValue(friendPrefix + "/Name").getValue(null);
 605                                         friendSone.setRequestUri(new FreenetURI(friendKey)).setName(friendName);
 606                                         sone.addFriend(friendSone);
 607                                 }
 608
 609                                 /* load blocked Sone IDs. */
 610                                 int blockedSoneCounter = 0;
 611                                 while (true) {
 612                                         String blockedSonePrefix = sonePrefix + "/BlockedSone." + blockedSoneCounter++;
 613                                         String blockedSoneId = configuration.getStringValue(blockedSonePrefix + "/ID").getValue(null);
 614                                         if (blockedSoneId == null) {
 615                                                 break;
 616                                         }
 617                                         sone.addBlockedSoneId(blockedSoneId);
 618                                 }
 619
 620                                 sone.setModificationCounter(modificationCounter);
 621                                 addLocalSone(sone);
 622                         } catch (MalformedURLException mue1) {
 623                                 logger.log(Level.WARNING, "Could not create Sone from requestUri (“" + requestUri + "”) and insertUri (“" + insertUri + "”)!", mue1);
 624                         }
 625                 } while (true);
 626                 logger.log(Level.INFO, "Loaded %d Sones.", getSones().size());
 627
 628                 /* load all known Sones. */
 629                 int knownSonesCounter = 0;
 630                 while (true) {
 631                         String knownSonePrefix = "KnownSone." + knownSonesCounter++;
 632                         String knownSoneId = configuration.getStringValue(knownSonePrefix + "/ID").getValue(null);
 633                         if (knownSoneId == null) {
 634                                 break;
 635                         }
 636                         String knownSoneName = configuration.getStringValue(knownSonePrefix + "/Name").getValue(null);
 637                         String knownSoneKey = configuration.getStringValue(knownSonePrefix + "/Key").getValue(null);
 638                         try {
 639                                 getSone(knownSoneId).setName(knownSoneName).setRequestUri(new FreenetURI(knownSoneKey));
 640                         } catch (MalformedURLException mue1) {
 641                                 logger.log(Level.WARNING, "Could not create Sone from requestUri (“" + knownSoneKey + "”)!", mue1);
 642                         }
 643                 }
 644
 645                 /* load all remote Sones. */
 646                 for (Sone remoteSone : getRemoteSones()) {
 647                         loadSone(remoteSone);
 648                 }
 649
 650                 logger.exiting(Core.class.getName(), "loadConfiguration()");
 651         }
 652
 653         /**
 654          * Saves the configuraiton.
 655          */
 656         private void saveConfiguration() {
 657                 Set<Sone> sones = getSones();
 658                 logger.log(Level.INFO, "Storing %d Sones…", sones.size());
 659                 try {
 660                         /* store all Sones. */
 661                         int soneId = 0;
 662                         for (Sone sone : localSones) {
 663                                 String sonePrefix = "Sone/Sone." + soneId++;
 664                                 configuration.getStringValue(sonePrefix + "/ID").setValue(sone.getId());
 665                                 configuration.getStringValue(sonePrefix + "/Name").setValue(sone.getName());
 666                                 configuration.getLongValue(sonePrefix + "/Time").setValue(sone.getTime());
 667                                 configuration.getStringValue(sonePrefix + "/RequestURI").setValue(sone.getRequestUri().toString());
 668                                 configuration.getStringValue(sonePrefix + "/InsertURI").setValue(sone.getInsertUri().toString());
 669                                 configuration.getLongValue(sonePrefix + "/ModificationCounter").setValue(sone.getModificationCounter());
 670                                 Profile profile = sone.getProfile();
 671                                 configuration.getStringValue(sonePrefix + "/Profile/FirstName").setValue(profile.getFirstName());
 672                                 configuration.getStringValue(sonePrefix + "/Profile/MiddleName").setValue(profile.getMiddleName());
 673                                 configuration.getStringValue(sonePrefix + "/Profile/LastName").setValue(profile.getLastName());
 674                                 int postId = 0;
 675                                 for (Post post : sone.getPosts()) {
 676                                         String postPrefix = sonePrefix + "/Post." + postId++;
 677                                         configuration.getStringValue(postPrefix + "/ID").setValue(post.getId());
 678                                         configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime());
 679                                         configuration.getStringValue(postPrefix + "/Text").setValue(post.getText());
 680                                 }
 681                                 /* write null ID as terminator. */
 682                                 configuration.getStringValue(sonePrefix + "/Post." + postId + "/ID").setValue(null);
 683
 684                                 int replyId = 0;
 685                                 for (Reply reply : sone.getReplies()) {
 686                                         String replyPrefix = sonePrefix + "/Reply." + replyId++;
 687                                         configuration.getStringValue(replyPrefix + "/ID").setValue(reply.getId());
 688                                         configuration.getStringValue(replyPrefix + "/Post").setValue(reply.getPost().getId());
 689                                         configuration.getLongValue(replyPrefix + "/Time").setValue(reply.getTime());
 690                                         configuration.getStringValue(replyPrefix + "/Text").setValue(reply.getText());
 691                                 }
 692                                 /* write null ID as terminator. */
 693                                 configuration.getStringValue(sonePrefix + "/Reply." + replyId + "/ID").setValue(null);
 694
 695                                 int friendId = 0;
 696                                 for (Sone friend : sone.getFriends()) {
 697                                         String friendPrefix = sonePrefix + "/Friend." + friendId++;
 698                                         configuration.getStringValue(friendPrefix + "/ID").setValue(friend.getId());
 699                                         configuration.getStringValue(friendPrefix + "/Key").setValue(friend.getRequestUri().toString());
 700                                         configuration.getStringValue(friendPrefix + "/Name").setValue(friend.getName());
 701                                 }
 702                                 /* write null ID as terminator. */
 703                                 configuration.getStringValue(sonePrefix + "/Friend." + friendId + "/ID").setValue(null);
 704
 705                                 /* write all blocked Sones. */
 706                                 int blockedSoneCounter = 0;
 707                                 for (String blockedSoneId : sone.getBlockedSoneIds()) {
 708                                         String blockedSonePrefix = sonePrefix + "/BlockedSone." + blockedSoneCounter++;
 709                                         configuration.getStringValue(blockedSonePrefix + "/ID").setValue(blockedSoneId);
 710                                 }
 711                                 configuration.getStringValue(sonePrefix + "/BlockedSone." + blockedSoneCounter + "/ID").setValue(null);
 712
 713                         }
 714                         /* write null ID as terminator. */
 715                         configuration.getStringValue("Sone/Sone." + soneId + "/ID").setValue(null);
 716
 717                         /* write all known Sones. */
 718                         int knownSonesCounter = 0;
 719                         for (Sone knownSone : getRemoteSones()) {
 720                                 String knownSonePrefix = "KnownSone." + knownSonesCounter++;
 721                                 configuration.getStringValue(knownSonePrefix + "/ID").setValue(knownSone.getId());
 722                                 configuration.getStringValue(knownSonePrefix + "/Name").setValue(knownSone.getName());
 723                                 configuration.getStringValue(knownSonePrefix + "/Key").setValue(knownSone.getRequestUri().toString());
 724                                 /* TODO - store all known stuff? */
 725                         }
 726                         configuration.getStringValue("KnownSone." + knownSonesCounter + "/ID").setValue(null);
 727
 728                 } catch (ConfigurationException ce1) {
 729                         logger.log(Level.WARNING, "Could not store configuration!", ce1);
 730                 }
 731         }
 732
 733 }