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

   1 /*
   2  * Sone - 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.Collections;
  23 import java.util.HashMap;
  24 import java.util.HashSet;
  25 import java.util.List;
  26 import java.util.Map;
  27 import java.util.Set;
  28 import java.util.Map.Entry;
  29 import java.util.concurrent.ExecutorService;
  30 import java.util.concurrent.Executors;
  31 import java.util.logging.Level;
  32 import java.util.logging.Logger;
  33
  34 import net.pterodactylus.sone.core.Options.DefaultOption;
  35 import net.pterodactylus.sone.core.Options.Option;
  36 import net.pterodactylus.sone.core.Options.OptionWatcher;
  37 import net.pterodactylus.sone.data.Client;
  38 import net.pterodactylus.sone.data.Post;
  39 import net.pterodactylus.sone.data.Profile;
  40 import net.pterodactylus.sone.data.Profile.Field;
  41 import net.pterodactylus.sone.data.Reply;
  42 import net.pterodactylus.sone.data.Sone;
  43 import net.pterodactylus.sone.fcp.FcpInterface;
  44 import net.pterodactylus.sone.fcp.FcpInterface.FullAccessRequired;
  45 import net.pterodactylus.sone.freenet.wot.Identity;
  46 import net.pterodactylus.sone.freenet.wot.IdentityListener;
  47 import net.pterodactylus.sone.freenet.wot.IdentityManager;
  48 import net.pterodactylus.sone.freenet.wot.OwnIdentity;
  49 import net.pterodactylus.sone.freenet.wot.Trust;
  50 import net.pterodactylus.sone.freenet.wot.WebOfTrustException;
  51 import net.pterodactylus.sone.main.SonePlugin;
  52 import net.pterodactylus.util.config.Configuration;
  53 import net.pterodactylus.util.config.ConfigurationException;
  54 import net.pterodactylus.util.logging.Logging;
  55 import net.pterodactylus.util.number.Numbers;
  56 import net.pterodactylus.util.validation.IntegerRangeValidator;
  57 import net.pterodactylus.util.validation.Validation;
  58 import net.pterodactylus.util.version.Version;
  59 import freenet.keys.FreenetURI;
  60
  61 /**
  62  * The Sone core.
  63  *
  64  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  65  */
  66 public class Core implements IdentityListener, UpdateListener {
  67
  68         /**
  69          * Enumeration for the possible states of a {@link Sone}.
  70          *
  71          * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  72          */
  73         public enum SoneStatus {
  74
  75                 /** The Sone is unknown, i.e. not yet downloaded. */
  76                 unknown,
  77
  78                 /** The Sone is idle, i.e. not being downloaded or inserted. */
  79                 idle,
  80
  81                 /** The Sone is currently being inserted. */
  82                 inserting,
  83
  84                 /** The Sone is currently being downloaded. */
  85                 downloading,
  86         }
  87
  88         /** The logger. */
  89         private static final Logger logger = Logging.getLogger(Core.class);
  90
  91         /** The options. */
  92         private final Options options = new Options();
  93
  94         /** The preferences. */
  95         private final Preferences preferences = new Preferences(options);
  96
  97         /** The core listener manager. */
  98         private final CoreListenerManager coreListenerManager = new CoreListenerManager(this);
  99
 100         /** The configuration. */
 101         private Configuration configuration;
 102
 103         /** Whether we’re currently saving the configuration. */
 104         private boolean storingConfiguration = false;
 105
 106         /** The identity manager. */
 107         private final IdentityManager identityManager;
 108
 109         /** Interface to freenet. */
 110         private final FreenetInterface freenetInterface;
 111
 112         /** The Sone downloader. */
 113         private final SoneDownloader soneDownloader;
 114
 115         /** Sone downloader thread-pool. */
 116         private final ExecutorService soneDownloaders = Executors.newFixedThreadPool(10);
 117
 118         /** The update checker. */
 119         private final UpdateChecker updateChecker;
 120
 121         /** The FCP interface. */
 122         private volatile FcpInterface fcpInterface;
 123
 124         /** Whether the core has been stopped. */
 125         private volatile boolean stopped;
 126
 127         /** The Sones’ statuses. */
 128         /* synchronize access on itself. */
 129         private final Map<Sone, SoneStatus> soneStatuses = new HashMap<Sone, SoneStatus>();
 130
 131         /** Locked local Sones. */
 132         /* synchronize on itself. */
 133         private final Set<Sone> lockedSones = new HashSet<Sone>();
 134
 135         /** Sone inserters. */
 136         /* synchronize access on this on localSones. */
 137         private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
 138
 139         /** All local Sones. */
 140         /* synchronize access on this on itself. */
 141         private Map<String, Sone> localSones = new HashMap<String, Sone>();
 142
 143         /** All remote Sones. */
 144         /* synchronize access on this on itself. */
 145         private Map<String, Sone> remoteSones = new HashMap<String, Sone>();
 146
 147         /** All new Sones. */
 148         private Set<String> newSones = new HashSet<String>();
 149
 150         /** All known Sones. */
 151         /* synchronize access on {@link #newSones}. */
 152         private Set<String> knownSones = new HashSet<String>();
 153
 154         /** All posts. */
 155         private Map<String, Post> posts = new HashMap<String, Post>();
 156
 157         /** All new posts. */
 158         private Set<String> newPosts = new HashSet<String>();
 159
 160         /** All known posts. */
 161         /* synchronize access on {@link #newPosts}. */
 162         private Set<String> knownPosts = new HashSet<String>();
 163
 164         /** All replies. */
 165         private Map<String, Reply> replies = new HashMap<String, Reply>();
 166
 167         /** All new replies. */
 168         private Set<String> newReplies = new HashSet<String>();
 169
 170         /** All known replies. */
 171         private Set<String> knownReplies = new HashSet<String>();
 172
 173         /** All bookmarked posts. */
 174         /* synchronize access on itself. */
 175         private Set<String> bookmarkedPosts = new HashSet<String>();
 176
 177         /** Trusted identities, sorted by own identities. */
 178         private Map<OwnIdentity, Set<Identity>> trustedIdentities = Collections.synchronizedMap(new HashMap<OwnIdentity, Set<Identity>>());
 179
 180         /**
 181          * Creates a new core.
 182          *
 183          * @param configuration
 184          *            The configuration of the core
 185          * @param freenetInterface
 186          *            The freenet interface
 187          * @param identityManager
 188          *            The identity manager
 189          */
 190         public Core(Configuration configuration, FreenetInterface freenetInterface, IdentityManager identityManager) {
 191                 this.configuration = configuration;
 192                 this.freenetInterface = freenetInterface;
 193                 this.identityManager = identityManager;
 194                 this.soneDownloader = new SoneDownloader(this, freenetInterface);
 195                 this.updateChecker = new UpdateChecker(freenetInterface);
 196         }
 197
 198         //
 199         // LISTENER MANAGEMENT
 200         //
 201
 202         /**
 203          * Adds a new core listener.
 204          *
 205          * @param coreListener
 206          *            The listener to add
 207          */
 208         public void addCoreListener(CoreListener coreListener) {
 209                 coreListenerManager.addListener(coreListener);
 210         }
 211
 212         /**
 213          * Removes a core listener.
 214          *
 215          * @param coreListener
 216          *            The listener to remove
 217          */
 218         public void removeCoreListener(CoreListener coreListener) {
 219                 coreListenerManager.removeListener(coreListener);
 220         }
 221
 222         //
 223         // ACCESSORS
 224         //
 225
 226         /**
 227          * Sets the configuration to use. This will automatically save the current
 228          * configuration to the given configuration.
 229          *
 230          * @param configuration
 231          *            The new configuration to use
 232          */
 233         public void setConfiguration(Configuration configuration) {
 234                 this.configuration = configuration;
 235                 saveConfiguration();
 236         }
 237
 238         /**
 239          * Returns the options used by the core.
 240          *
 241          * @return The options of the core
 242          */
 243         public Preferences getPreferences() {
 244                 return preferences;
 245         }
 246
 247         /**
 248          * Returns the identity manager used by the core.
 249          *
 250          * @return The identity manager
 251          */
 252         public IdentityManager getIdentityManager() {
 253                 return identityManager;
 254         }
 255
 256         /**
 257          * Returns the update checker.
 258          *
 259          * @return The update checker
 260          */
 261         public UpdateChecker getUpdateChecker() {
 262                 return updateChecker;
 263         }
 264
 265         /**
 266          * Sets the FCP interface to use.
 267          *
 268          * @param fcpInterface
 269          *            The FCP interface to use
 270          */
 271         public void setFcpInterface(FcpInterface fcpInterface) {
 272                 this.fcpInterface = fcpInterface;
 273         }
 274
 275         /**
 276          * Returns the status of the given Sone.
 277          *
 278          * @param sone
 279          *            The Sone to get the status for
 280          * @return The status of the Sone
 281          */
 282         public SoneStatus getSoneStatus(Sone sone) {
 283                 synchronized (soneStatuses) {
 284                         return soneStatuses.get(sone);
 285                 }
 286         }
 287
 288         /**
 289          * Sets the status of the given Sone.
 290          *
 291          * @param sone
 292          *            The Sone to set the status of
 293          * @param soneStatus
 294          *            The status to set
 295          */
 296         public void setSoneStatus(Sone sone, SoneStatus soneStatus) {
 297                 synchronized (soneStatuses) {
 298                         soneStatuses.put(sone, soneStatus);
 299                 }
 300         }
 301
 302         /**
 303          * Returns whether the given Sone is currently locked.
 304          *
 305          * @param sone
 306          *            The sone to check
 307          * @return {@code true} if the Sone is locked, {@code false} if it is not
 308          */
 309         public boolean isLocked(Sone sone) {
 310                 synchronized (lockedSones) {
 311                         return lockedSones.contains(sone);
 312                 }
 313         }
 314
 315         /**
 316          * Returns all Sones, remote and local.
 317          *
 318          * @return All Sones
 319          */
 320         public Set<Sone> getSones() {
 321                 Set<Sone> allSones = new HashSet<Sone>();
 322                 allSones.addAll(getLocalSones());
 323                 allSones.addAll(getRemoteSones());
 324                 return allSones;
 325         }
 326
 327         /**
 328          * Returns the Sone with the given ID, regardless whether it’s local or
 329          * remote.
 330          *
 331          * @param id
 332          *            The ID of the Sone to get
 333          * @return The Sone with the given ID, or {@code null} if there is no such
 334          *         Sone
 335          */
 336         public Sone getSone(String id) {
 337                 return getSone(id, true);
 338         }
 339
 340         /**
 341          * Returns the Sone with the given ID, regardless whether it’s local or
 342          * remote.
 343          *
 344          * @param id
 345          *            The ID of the Sone to get
 346          * @param create
 347          *            {@code true} to create a new Sone if none exists,
 348          *            {@code false} to return {@code null} if a Sone with the given
 349          *            ID does not exist
 350          * @return The Sone with the given ID, or {@code null} if there is no such
 351          *         Sone
 352          */
 353         public Sone getSone(String id, boolean create) {
 354                 if (isLocalSone(id)) {
 355                         return getLocalSone(id);
 356                 }
 357                 return getRemoteSone(id, create);
 358         }
 359
 360         /**
 361          * Checks whether the core knows a Sone with the given ID.
 362          *
 363          * @param id
 364          *            The ID of the Sone
 365          * @return {@code true} if there is a Sone with the given ID, {@code false}
 366          *         otherwise
 367          */
 368         public boolean hasSone(String id) {
 369                 return isLocalSone(id) || isRemoteSone(id);
 370         }
 371
 372         /**
 373          * Returns whether the given Sone is a local Sone.
 374          *
 375          * @param sone
 376          *            The Sone to check for its locality
 377          * @return {@code true} if the given Sone is local, {@code false} otherwise
 378          */
 379         public boolean isLocalSone(Sone sone) {
 380                 synchronized (localSones) {
 381                         return localSones.containsKey(sone.getId());
 382                 }
 383         }
 384
 385         /**
 386          * Returns whether the given ID is the ID of a local Sone.
 387          *
 388          * @param id
 389          *            The Sone ID to check for its locality
 390          * @return {@code true} if the given ID is a local Sone, {@code false}
 391          *         otherwise
 392          */
 393         public boolean isLocalSone(String id) {
 394                 synchronized (localSones) {
 395                         return localSones.containsKey(id);
 396                 }
 397         }
 398
 399         /**
 400          * Returns all local Sones.
 401          *
 402          * @return All local Sones
 403          */
 404         public Set<Sone> getLocalSones() {
 405                 synchronized (localSones) {
 406                         return new HashSet<Sone>(localSones.values());
 407                 }
 408         }
 409
 410         /**
 411          * Returns the local Sone with the given ID.
 412          *
 413          * @param id
 414          *            The ID of the Sone to get
 415          * @return The Sone with the given ID
 416          */
 417         public Sone getLocalSone(String id) {
 418                 return getLocalSone(id, true);
 419         }
 420
 421         /**
 422          * Returns the local Sone with the given ID, optionally creating a new Sone.
 423          *
 424          * @param id
 425          *            The ID of the Sone
 426          * @param create
 427          *            {@code true} to create a new Sone if none exists,
 428          *            {@code false} to return null if none exists
 429          * @return The Sone with the given ID, or {@code null}
 430          */
 431         public Sone getLocalSone(String id, boolean create) {
 432                 synchronized (localSones) {
 433                         Sone sone = localSones.get(id);
 434                         if ((sone == null) && create) {
 435                                 sone = new Sone(id);
 436                                 localSones.put(id, sone);
 437                                 setSoneStatus(sone, SoneStatus.unknown);
 438                         }
 439                         return sone;
 440                 }
 441         }
 442
 443         /**
 444          * Returns all remote Sones.
 445          *
 446          * @return All remote Sones
 447          */
 448         public Set<Sone> getRemoteSones() {
 449                 synchronized (remoteSones) {
 450                         return new HashSet<Sone>(remoteSones.values());
 451                 }
 452         }
 453
 454         /**
 455          * Returns the remote Sone with the given ID.
 456          *
 457          * @param id
 458          *            The ID of the remote Sone to get
 459          * @return The Sone with the given ID
 460          */
 461         public Sone getRemoteSone(String id) {
 462                 return getRemoteSone(id, true);
 463         }
 464
 465         /**
 466          * Returns the remote Sone with the given ID.
 467          *
 468          * @param id
 469          *            The ID of the remote Sone to get
 470          * @param create
 471          *            {@code true} to always create a Sone, {@code false} to return
 472          *            {@code null} if no Sone with the given ID exists
 473          * @return The Sone with the given ID
 474          */
 475         public Sone getRemoteSone(String id, boolean create) {
 476                 synchronized (remoteSones) {
 477                         Sone sone = remoteSones.get(id);
 478                         if ((sone == null) && create) {
 479                                 sone = new Sone(id);
 480                                 remoteSones.put(id, sone);
 481                                 setSoneStatus(sone, SoneStatus.unknown);
 482                         }
 483                         return sone;
 484                 }
 485         }
 486
 487         /**
 488          * Returns whether the given Sone is a remote Sone.
 489          *
 490          * @param sone
 491          *            The Sone to check
 492          * @return {@code true} if the given Sone is a remote Sone, {@code false}
 493          *         otherwise
 494          */
 495         public boolean isRemoteSone(Sone sone) {
 496                 synchronized (remoteSones) {
 497                         return remoteSones.containsKey(sone.getId());
 498                 }
 499         }
 500
 501         /**
 502          * Returns whether the Sone with the given ID is a remote Sone.
 503          *
 504          * @param id
 505          *            The ID of the Sone to check
 506          * @return {@code true} if the Sone with the given ID is a remote Sone,
 507          *         {@code false} otherwise
 508          */
 509         public boolean isRemoteSone(String id) {
 510                 synchronized (remoteSones) {
 511                         return remoteSones.containsKey(id);
 512                 }
 513         }
 514
 515         /**
 516          * Returns whether the Sone with the given ID is a new Sone.
 517          *
 518          * @param soneId
 519          *            The ID of the sone to check for
 520          * @return {@code true} if the given Sone is new, false otherwise
 521          */
 522         public boolean isNewSone(String soneId) {
 523                 synchronized (newSones) {
 524                         return !knownSones.contains(soneId) && newSones.contains(soneId);
 525                 }
 526         }
 527
 528         /**
 529          * Returns whether the given Sone has been modified.
 530          *
 531          * @param sone
 532          *            The Sone to check for modifications
 533          * @return {@code true} if a modification has been detected in the Sone,
 534          *         {@code false} otherwise
 535          */
 536         public boolean isModifiedSone(Sone sone) {
 537                 return (soneInserters.containsKey(sone)) ? soneInserters.get(sone).isModified() : false;
 538         }
 539
 540         /**
 541          * Returns whether the target Sone is trusted by the origin Sone.
 542          *
 543          * @param origin
 544          *            The origin Sone
 545          * @param target
 546          *            The target Sone
 547          * @return {@code true} if the target Sone is trusted by the origin Sone
 548          */
 549         public boolean isSoneTrusted(Sone origin, Sone target) {
 550                 Validation.begin().isNotNull("Origin", origin).isNotNull("Target", target).check().isInstanceOf("Origin’s OwnIdentity", origin.getIdentity(), OwnIdentity.class).check();
 551                 return trustedIdentities.containsKey(origin.getIdentity()) && trustedIdentities.get(origin.getIdentity()).contains(target.getIdentity());
 552         }
 553
 554         /**
 555          * Returns the post with the given ID.
 556          *
 557          * @param postId
 558          *            The ID of the post to get
 559          * @return The post with the given ID, or a new post with the given ID
 560          */
 561         public Post getPost(String postId) {
 562                 return getPost(postId, true);
 563         }
 564
 565         /**
 566          * Returns the post with the given ID, optionally creating a new post.
 567          *
 568          * @param postId
 569          *            The ID of the post to get
 570          * @param create
 571          *            {@code true} it create a new post if no post with the given ID
 572          *            exists, {@code false} to return {@code null}
 573          * @return The post, or {@code null} if there is no such post
 574          */
 575         public Post getPost(String postId, boolean create) {
 576                 synchronized (posts) {
 577                         Post post = posts.get(postId);
 578                         if ((post == null) && create) {
 579                                 post = new Post(postId);
 580                                 posts.put(postId, post);
 581                         }
 582                         return post;
 583                 }
 584         }
 585
 586         /**
 587          * Returns whether the given post ID is new.
 588          *
 589          * @param postId
 590          *            The post ID
 591          * @return {@code true} if the post is considered to be new, {@code false}
 592          *         otherwise
 593          */
 594         public boolean isNewPost(String postId) {
 595                 synchronized (newPosts) {
 596                         return !knownPosts.contains(postId) && newPosts.contains(postId);
 597                 }
 598         }
 599
 600         /**
 601          * Returns all posts that have the given Sone as recipient.
 602          *
 603          * @see Post#getRecipient()
 604          * @param recipient
 605          *            The recipient of the posts
 606          * @return All posts that have the given Sone as recipient
 607          */
 608         public Set<Post> getDirectedPosts(Sone recipient) {
 609                 Validation.begin().isNotNull("Recipient", recipient).check();
 610                 Set<Post> directedPosts = new HashSet<Post>();
 611                 synchronized (posts) {
 612                         for (Post post : posts.values()) {
 613                                 if (recipient.equals(post.getRecipient())) {
 614                                         directedPosts.add(post);
 615                                 }
 616                         }
 617                 }
 618                 return directedPosts;
 619         }
 620
 621         /**
 622          * Returns the reply with the given ID. If there is no reply with the given
 623          * ID yet, a new one is created.
 624          *
 625          * @param replyId
 626          *            The ID of the reply to get
 627          * @return The reply
 628          */
 629         public Reply getReply(String replyId) {
 630                 return getReply(replyId, true);
 631         }
 632
 633         /**
 634          * Returns the reply with the given ID. If there is no reply with the given
 635          * ID yet, a new one is created, unless {@code create} is false in which
 636          * case {@code null} is returned.
 637          *
 638          * @param replyId
 639          *            The ID of the reply to get
 640          * @param create
 641          *            {@code true} to always return a {@link Reply}, {@code false}
 642          *            to return {@code null} if no reply can be found
 643          * @return The reply, or {@code null} if there is no such reply
 644          */
 645         public Reply getReply(String replyId, boolean create) {
 646                 synchronized (replies) {
 647                         Reply reply = replies.get(replyId);
 648                         if (create && (reply == null)) {
 649                                 reply = new Reply(replyId);
 650                                 replies.put(replyId, reply);
 651                         }
 652                         return reply;
 653                 }
 654         }
 655
 656         /**
 657          * Returns all replies for the given post, order ascending by time.
 658          *
 659          * @param post
 660          *            The post to get all replies for
 661          * @return All replies for the given post
 662          */
 663         public List<Reply> getReplies(Post post) {
 664                 Set<Sone> sones = getSones();
 665                 List<Reply> replies = new ArrayList<Reply>();
 666                 for (Sone sone : sones) {
 667                         for (Reply reply : sone.getReplies()) {
 668                                 if (reply.getPost().equals(post)) {
 669                                         replies.add(reply);
 670                                 }
 671                         }
 672                 }
 673                 Collections.sort(replies, Reply.TIME_COMPARATOR);
 674                 return replies;
 675         }
 676
 677         /**
 678          * Returns whether the reply with the given ID is new.
 679          *
 680          * @param replyId
 681          *            The ID of the reply to check
 682          * @return {@code true} if the reply is considered to be new, {@code false}
 683          *         otherwise
 684          */
 685         public boolean isNewReply(String replyId) {
 686                 synchronized (newReplies) {
 687                         return !knownReplies.contains(replyId) && newReplies.contains(replyId);
 688                 }
 689         }
 690
 691         /**
 692          * Returns all Sones that have liked the given post.
 693          *
 694          * @param post
 695          *            The post to get the liking Sones for
 696          * @return The Sones that like the given post
 697          */
 698         public Set<Sone> getLikes(Post post) {
 699                 Set<Sone> sones = new HashSet<Sone>();
 700                 for (Sone sone : getSones()) {
 701                         if (sone.getLikedPostIds().contains(post.getId())) {
 702                                 sones.add(sone);
 703                         }
 704                 }
 705                 return sones;
 706         }
 707
 708         /**
 709          * Returns all Sones that have liked the given reply.
 710          *
 711          * @param reply
 712          *            The reply to get the liking Sones for
 713          * @return The Sones that like the given reply
 714          */
 715         public Set<Sone> getLikes(Reply reply) {
 716                 Set<Sone> sones = new HashSet<Sone>();
 717                 for (Sone sone : getSones()) {
 718                         if (sone.getLikedReplyIds().contains(reply.getId())) {
 719                                 sones.add(sone);
 720                         }
 721                 }
 722                 return sones;
 723         }
 724
 725         /**
 726          * Returns whether the given post is bookmarked.
 727          *
 728          * @param post
 729          *            The post to check
 730          * @return {@code true} if the given post is bookmarked, {@code false}
 731          *         otherwise
 732          */
 733         public boolean isBookmarked(Post post) {
 734                 return isPostBookmarked(post.getId());
 735         }
 736
 737         /**
 738          * Returns whether the post with the given ID is bookmarked.
 739          *
 740          * @param id
 741          *            The ID of the post to check
 742          * @return {@code true} if the post with the given ID is bookmarked,
 743          *         {@code false} otherwise
 744          */
 745         public boolean isPostBookmarked(String id) {
 746                 synchronized (bookmarkedPosts) {
 747                         return bookmarkedPosts.contains(id);
 748                 }
 749         }
 750
 751         /**
 752          * Returns all currently known bookmarked posts.
 753          *
 754          * @return All bookmarked posts
 755          */
 756         public Set<Post> getBookmarkedPosts() {
 757                 Set<Post> posts = new HashSet<Post>();
 758                 synchronized (bookmarkedPosts) {
 759                         for (String bookmarkedPostId : bookmarkedPosts) {
 760                                 Post post = getPost(bookmarkedPostId, false);
 761                                 if (post != null) {
 762                                         posts.add(post);
 763                                 }
 764                         }
 765                 }
 766                 return posts;
 767         }
 768
 769         //
 770         // ACTIONS
 771         //
 772
 773         /**
 774          * Locks the given Sone. A locked Sone will not be inserted by
 775          * {@link SoneInserter} until it is {@link #unlockSone(Sone) unlocked}
 776          * again.
 777          *
 778          * @param sone
 779          *            The sone to lock
 780          */
 781         public void lockSone(Sone sone) {
 782                 synchronized (lockedSones) {
 783                         if (lockedSones.add(sone)) {
 784                                 coreListenerManager.fireSoneLocked(sone);
 785                         }
 786                 }
 787         }
 788
 789         /**
 790          * Unlocks the given Sone.
 791          *
 792          * @see #lockSone(Sone)
 793          * @param sone
 794          *            The sone to unlock
 795          */
 796         public void unlockSone(Sone sone) {
 797                 synchronized (lockedSones) {
 798                         if (lockedSones.remove(sone)) {
 799                                 coreListenerManager.fireSoneUnlocked(sone);
 800                         }
 801                 }
 802         }
 803
 804         /**
 805          * Adds a local Sone from the given ID which has to be the ID of an own
 806          * identity.
 807          *
 808          * @param id
 809          *            The ID of an own identity to add a Sone for
 810          * @return The added (or already existing) Sone
 811          */
 812         public Sone addLocalSone(String id) {
 813                 synchronized (localSones) {
 814                         if (localSones.containsKey(id)) {
 815                                 logger.log(Level.FINE, "Tried to add known local Sone: %s", id);
 816                                 return localSones.get(id);
 817                         }
 818                         OwnIdentity ownIdentity = identityManager.getOwnIdentity(id);
 819                         if (ownIdentity == null) {
 820                                 logger.log(Level.INFO, "Invalid Sone ID: %s", id);
 821                                 return null;
 822                         }
 823                         return addLocalSone(ownIdentity);
 824                 }
 825         }
 826
 827         /**
 828          * Adds a local Sone from the given own identity.
 829          *
 830          * @param ownIdentity
 831          *            The own identity to create a Sone from
 832          * @return The added (or already existing) Sone
 833          */
 834         public Sone addLocalSone(OwnIdentity ownIdentity) {
 835                 if (ownIdentity == null) {
 836                         logger.log(Level.WARNING, "Given OwnIdentity is null!");
 837                         return null;
 838                 }
 839                 synchronized (localSones) {
 840                         final Sone sone;
 841                         try {
 842                                 sone = getLocalSone(ownIdentity.getId()).setIdentity(ownIdentity).setInsertUri(new FreenetURI(ownIdentity.getInsertUri())).setRequestUri(new FreenetURI(ownIdentity.getRequestUri()));
 843                         } catch (MalformedURLException mue1) {
 844                                 logger.log(Level.SEVERE, "Could not convert the Identity’s URIs to Freenet URIs: " + ownIdentity.getInsertUri() + ", " + ownIdentity.getRequestUri(), mue1);
 845                                 return null;
 846                         }
 847                         sone.setLatestEdition(Numbers.safeParseLong(ownIdentity.getProperty("Sone.LatestEdition"), (long) 0));
 848                         sone.setClient(new Client("Sone", SonePlugin.VERSION.toString()));
 849                         /* TODO - load posts ’n stuff */
 850                         localSones.put(ownIdentity.getId(), sone);
 851                         final SoneInserter soneInserter = new SoneInserter(this, freenetInterface, sone);
 852                         soneInserters.put(sone, soneInserter);
 853                         setSoneStatus(sone, SoneStatus.idle);
 854                         loadSone(sone);
 855                         if (!preferences.isSoneRescueMode()) {
 856                                 soneInserter.start();
 857                         }
 858                         new Thread(new Runnable() {
 859
 860                                 @Override
 861                                 @SuppressWarnings("synthetic-access")
 862                                 public void run() {
 863                                         if (!preferences.isSoneRescueMode()) {
 864                                                 return;
 865                                         }
 866                                         logger.log(Level.INFO, "Trying to restore Sone from Freenet…");
 867                                         coreListenerManager.fireRescuingSone(sone);
 868                                         lockSone(sone);
 869                                         long edition = sone.getLatestEdition();
 870                                         while (!stopped && (edition >= 0) && preferences.isSoneRescueMode()) {
 871                                                 logger.log(Level.FINE, "Downloading edition " + edition + "…");
 872                                                 soneDownloader.fetchSone(sone, sone.getRequestUri().setKeyType("SSK").setDocName("Sone-" + edition));
 873                                                 --edition;
 874                                         }
 875                                         logger.log(Level.INFO, "Finished restoring Sone from Freenet, starting Inserter…");
 876                                         saveSone(sone);
 877                                         coreListenerManager.fireRescuedSone(sone);
 878                                         soneInserter.start();
 879                                 }
 880
 881                         }, "Sone Downloader").start();
 882                         return sone;
 883                 }
 884         }
 885
 886         /**
 887          * Creates a new Sone for the given own identity.
 888          *
 889          * @param ownIdentity
 890          *            The own identity to create a Sone for
 891          * @return The created Sone
 892          */
 893         public Sone createSone(OwnIdentity ownIdentity) {
 894                 try {
 895                         ownIdentity.addContext("Sone");
 896                 } catch (WebOfTrustException wote1) {
 897                         logger.log(Level.SEVERE, "Could not add “Sone” context to own identity: " + ownIdentity, wote1);
 898                         return null;
 899                 }
 900                 Sone sone = addLocalSone(ownIdentity);
 901                 sone.getOptions().addBooleanOption("AutoFollow", new DefaultOption<Boolean>(false));
 902                 sone.addFriend("nwa8lHa271k2QvJ8aa0Ov7IHAV-DFOCFgmDt3X6BpCI");
 903                 saveSone(sone);
 904                 return sone;
 905         }
 906
 907         /**
 908          * Adds the Sone of the given identity.
 909          *
 910          * @param identity
 911          *            The identity whose Sone to add
 912          * @return The added or already existing Sone
 913          */
 914         public Sone addRemoteSone(Identity identity) {
 915                 if (identity == null) {
 916                         logger.log(Level.WARNING, "Given Identity is null!");
 917                         return null;
 918                 }
 919                 synchronized (remoteSones) {
 920                         final Sone sone = getRemoteSone(identity.getId()).setIdentity(identity);
 921                         boolean newSone = sone.getRequestUri() == null;
 922                         sone.setRequestUri(getSoneUri(identity.getRequestUri()));
 923                         sone.setLatestEdition(Numbers.safeParseLong(identity.getProperty("Sone.LatestEdition"), (long) 0));
 924                         if (newSone) {
 925                                 synchronized (newSones) {
 926                                         newSone = !knownSones.contains(sone.getId());
 927                                         if (newSone) {
 928                                                 newSones.add(sone.getId());
 929                                         }
 930                                 }
 931                                 if (newSone) {
 932                                         coreListenerManager.fireNewSoneFound(sone);
 933                                         for (Sone localSone : getLocalSones()) {
 934                                                 if (localSone.getOptions().getBooleanOption("AutoFollow").get()) {
 935                                                         localSone.addFriend(sone.getId());
 936                                                         saveSone(localSone);
 937                                                 }
 938                                         }
 939                                 }
 940                         }
 941                         remoteSones.put(identity.getId(), sone);
 942                         soneDownloader.addSone(sone);
 943                         setSoneStatus(sone, SoneStatus.unknown);
 944                         soneDownloaders.execute(new Runnable() {
 945
 946                                 @Override
 947                                 @SuppressWarnings("synthetic-access")
 948                                 public void run() {
 949                                         soneDownloader.fetchSone(sone, sone.getRequestUri());
 950                                 }
 951
 952                         });
 953                         return sone;
 954                 }
 955         }
 956
 957         /**
 958          * Retrieves the trust relationship from the origin to the target. If the
 959          * trust relationship can not be retrieved, {@code null} is returned.
 960          *
 961          * @see Identity#getTrust(OwnIdentity)
 962          * @param origin
 963          *            The origin of the trust tree
 964          * @param target
 965          *            The target of the trust
 966          * @return The trust relationship
 967          */
 968         public Trust getTrust(Sone origin, Sone target) {
 969                 if (!isLocalSone(origin)) {
 970                         logger.log(Level.WARNING, "Tried to get trust from remote Sone: %s", origin);
 971                         return null;
 972                 }
 973                 return target.getIdentity().getTrust((OwnIdentity) origin.getIdentity());
 974         }
 975
 976         /**
 977          * Sets the trust value of the given origin Sone for the target Sone.
 978          *
 979          * @param origin
 980          *            The origin Sone
 981          * @param target
 982          *            The target Sone
 983          * @param trustValue
 984          *            The trust value (from {@code -100} to {@code 100})
 985          */
 986         public void setTrust(Sone origin, Sone target, int trustValue) {
 987                 Validation.begin().isNotNull("Trust Origin", origin).check().isInstanceOf("Trust Origin", origin.getIdentity(), OwnIdentity.class).isNotNull("Trust Target", target).isLessOrEqual("Trust Value", trustValue, 100).isGreaterOrEqual("Trust Value", trustValue, -100).check();
 988                 try {
 989                         ((OwnIdentity) origin.getIdentity()).setTrust(target.getIdentity(), trustValue, preferences.getTrustComment());
 990                 } catch (WebOfTrustException wote1) {
 991                         logger.log(Level.WARNING, "Could not set trust for Sone: " + target, wote1);
 992                 }
 993         }
 994
 995         /**
 996          * Removes any trust assignment for the given target Sone.
 997          *
 998          * @param origin
 999          *            The trust origin
1000          * @param target
1001          *            The trust target
1002          */
1003         public void removeTrust(Sone origin, Sone target) {
1004                 Validation.begin().isNotNull("Trust Origin", origin).isNotNull("Trust Target", target).check().isInstanceOf("Trust Origin Identity", origin.getIdentity(), OwnIdentity.class).check();
1005                 try {
1006                         ((OwnIdentity) origin.getIdentity()).removeTrust(target.getIdentity());
1007                 } catch (WebOfTrustException wote1) {
1008                         logger.log(Level.WARNING, "Could not remove trust for Sone: " + target, wote1);
1009                 }
1010         }
1011
1012         /**
1013          * Assigns the configured positive trust value for the given target.
1014          *
1015          * @param origin
1016          *            The trust origin
1017          * @param target
1018          *            The trust target
1019          */
1020         public void trustSone(Sone origin, Sone target) {
1021                 setTrust(origin, target, preferences.getPositiveTrust());
1022         }
1023
1024         /**
1025          * Assigns the configured negative trust value for the given target.
1026          *
1027          * @param origin
1028          *            The trust origin
1029          * @param target
1030          *            The trust target
1031          */
1032         public void distrustSone(Sone origin, Sone target) {
1033                 setTrust(origin, target, preferences.getNegativeTrust());
1034         }
1035
1036         /**
1037          * Removes the trust assignment for the given target.
1038          *
1039          * @param origin
1040          *            The trust origin
1041          * @param target
1042          *            The trust target
1043          */
1044         public void untrustSone(Sone origin, Sone target) {
1045                 removeTrust(origin, target);
1046         }
1047
1048         /**
1049          * Updates the stores Sone with the given Sone.
1050          *
1051          * @param sone
1052          *            The updated Sone
1053          */
1054         public void updateSone(Sone sone) {
1055                 if (hasSone(sone.getId())) {
1056                         boolean soneRescueMode = isLocalSone(sone) && preferences.isSoneRescueMode();
1057                         Sone storedSone = getSone(sone.getId());
1058                         if (!soneRescueMode && !(sone.getTime() > storedSone.getTime())) {
1059                                 logger.log(Level.FINE, "Downloaded Sone %s is not newer than stored Sone %s.", new Object[] { sone, storedSone });
1060                                 return;
1061                         }
1062                         synchronized (posts) {
1063                                 if (!soneRescueMode) {
1064                                         for (Post post : storedSone.getPosts()) {
1065                                                 posts.remove(post.getId());
1066                                                 if (!sone.getPosts().contains(post)) {
1067                                                         coreListenerManager.firePostRemoved(post);
1068                                                 }
1069                                         }
1070                                 }
1071                                 List<Post> storedPosts = storedSone.getPosts();
1072                                 synchronized (newPosts) {
1073                                         for (Post post : sone.getPosts()) {
1074                                                 post.setSone(storedSone);
1075                                                 if (!storedPosts.contains(post) && !knownPosts.contains(post.getId())) {
1076                                                         newPosts.add(post.getId());
1077                                                         coreListenerManager.fireNewPostFound(post);
1078                                                 }
1079                                                 posts.put(post.getId(), post);
1080                                         }
1081                                 }
1082                         }
1083                         synchronized (replies) {
1084                                 if (!soneRescueMode) {
1085                                         for (Reply reply : storedSone.getReplies()) {
1086                                                 replies.remove(reply.getId());
1087                                                 if (!sone.getReplies().contains(reply)) {
1088                                                         coreListenerManager.fireReplyRemoved(reply);
1089                                                 }
1090                                         }
1091                                 }
1092                                 Set<Reply> storedReplies = storedSone.getReplies();
1093                                 synchronized (newReplies) {
1094                                         for (Reply reply : sone.getReplies()) {
1095                                                 reply.setSone(storedSone);
1096                                                 if (!storedReplies.contains(reply) && !knownReplies.contains(reply.getId())) {
1097                                                         newReplies.add(reply.getId());
1098                                                         coreListenerManager.fireNewReplyFound(reply);
1099                                                 }
1100                                                 replies.put(reply.getId(), reply);
1101                                         }
1102                                 }
1103                         }
1104                         synchronized (storedSone) {
1105                                 if (!soneRescueMode || (sone.getTime() > storedSone.getTime())) {
1106                                         storedSone.setTime(sone.getTime());
1107                                 }
1108                                 storedSone.setClient(sone.getClient());
1109                                 storedSone.setProfile(sone.getProfile());
1110                                 if (soneRescueMode) {
1111                                         for (Post post : sone.getPosts()) {
1112                                                 storedSone.addPost(post);
1113                                         }
1114                                         for (Reply reply : sone.getReplies()) {
1115                                                 storedSone.addReply(reply);
1116                                         }
1117                                         for (String likedPostId : sone.getLikedPostIds()) {
1118                                                 storedSone.addLikedPostId(likedPostId);
1119                                         }
1120                                         for (String likedReplyId : sone.getLikedReplyIds()) {
1121                                                 storedSone.addLikedReplyId(likedReplyId);
1122                                         }
1123                                 } else {
1124                                         storedSone.setPosts(sone.getPosts());
1125                                         storedSone.setReplies(sone.getReplies());
1126                                         storedSone.setLikePostIds(sone.getLikedPostIds());
1127                                         storedSone.setLikeReplyIds(sone.getLikedReplyIds());
1128                                 }
1129                                 storedSone.setLatestEdition(sone.getLatestEdition());
1130                         }
1131                 }
1132         }
1133
1134         /**
1135          * Deletes the given Sone. This will remove the Sone from the
1136          * {@link #getLocalSone(String) local Sones}, stops its {@link SoneInserter}
1137          * and remove the context from its identity.
1138          *
1139          * @param sone
1140          *            The Sone to delete
1141          */
1142         public void deleteSone(Sone sone) {
1143                 if (!(sone.getIdentity() instanceof OwnIdentity)) {
1144                         logger.log(Level.WARNING, "Tried to delete Sone of non-own identity: %s", sone);
1145                         return;
1146                 }
1147                 synchronized (localSones) {
1148                         if (!localSones.containsKey(sone.getId())) {
1149                                 logger.log(Level.WARNING, "Tried to delete non-local Sone: %s", sone);
1150                                 return;
1151                         }
1152                         localSones.remove(sone.getId());
1153                         soneInserters.remove(sone).stop();
1154                 }
1155                 try {
1156                         ((OwnIdentity) sone.getIdentity()).removeContext("Sone");
1157                         ((OwnIdentity) sone.getIdentity()).removeProperty("Sone.LatestEdition");
1158                 } catch (WebOfTrustException wote1) {
1159                         logger.log(Level.WARNING, "Could not remove context and properties from Sone: " + sone, wote1);
1160                 }
1161                 try {
1162                         configuration.getLongValue("Sone/" + sone.getId() + "/Time").setValue(null);
1163                 } catch (ConfigurationException ce1) {
1164                         logger.log(Level.WARNING, "Could not remove Sone from configuration!", ce1);
1165                 }
1166         }
1167
1168         /**
1169          * Marks the given Sone as known. If the Sone was {@link #isNewPost(String)
1170          * new} before, a {@link CoreListener#markSoneKnown(Sone)} event is fired.
1171          *
1172          * @param sone
1173          *            The Sone to mark as known
1174          */
1175         public void markSoneKnown(Sone sone) {
1176                 synchronized (newSones) {
1177                         if (newSones.remove(sone.getId())) {
1178                                 knownSones.add(sone.getId());
1179                                 coreListenerManager.fireMarkSoneKnown(sone);
1180                                 saveConfiguration();
1181                         }
1182                 }
1183         }
1184
1185         /**
1186          * Loads and updates the given Sone from the configuration. If any error is
1187          * encountered, loading is aborted and the given Sone is not changed.
1188          *
1189          * @param sone
1190          *            The Sone to load and update
1191          */
1192         public void loadSone(Sone sone) {
1193                 if (!isLocalSone(sone)) {
1194                         logger.log(Level.FINE, "Tried to load non-local Sone: %s", sone);
1195                         return;
1196                 }
1197
1198                 /* initialize options. */
1199                 sone.getOptions().addBooleanOption("AutoFollow", new DefaultOption<Boolean>(false));
1200
1201                 /* load Sone. */
1202                 String sonePrefix = "Sone/" + sone.getId();
1203                 Long soneTime = configuration.getLongValue(sonePrefix + "/Time").getValue(null);
1204                 if (soneTime == null) {
1205                         logger.log(Level.INFO, "Could not load Sone because no Sone has been saved.");
1206                         return;
1207                 }
1208                 String lastInsertFingerprint = configuration.getStringValue(sonePrefix + "/LastInsertFingerprint").getValue("");
1209
1210                 /* load profile. */
1211                 Profile profile = new Profile();
1212                 profile.setFirstName(configuration.getStringValue(sonePrefix + "/Profile/FirstName").getValue(null));
1213                 profile.setMiddleName(configuration.getStringValue(sonePrefix + "/Profile/MiddleName").getValue(null));
1214                 profile.setLastName(configuration.getStringValue(sonePrefix + "/Profile/LastName").getValue(null));
1215                 profile.setBirthDay(configuration.getIntValue(sonePrefix + "/Profile/BirthDay").getValue(null));
1216                 profile.setBirthMonth(configuration.getIntValue(sonePrefix + "/Profile/BirthMonth").getValue(null));
1217                 profile.setBirthYear(configuration.getIntValue(sonePrefix + "/Profile/BirthYear").getValue(null));
1218
1219                 /* load profile fields. */
1220                 while (true) {
1221                         String fieldPrefix = sonePrefix + "/Profile/Fields/" + profile.getFields().size();
1222                         String fieldName = configuration.getStringValue(fieldPrefix + "/Name").getValue(null);
1223                         if (fieldName == null) {
1224                                 break;
1225                         }
1226                         String fieldValue = configuration.getStringValue(fieldPrefix + "/Value").getValue("");
1227                         profile.addField(fieldName).setValue(fieldValue);
1228                 }
1229
1230                 /* load posts. */
1231                 Set<Post> posts = new HashSet<Post>();
1232                 while (true) {
1233                         String postPrefix = sonePrefix + "/Posts/" + posts.size();
1234                         String postId = configuration.getStringValue(postPrefix + "/ID").getValue(null);
1235                         if (postId == null) {
1236                                 break;
1237                         }
1238                         String postRecipientId = configuration.getStringValue(postPrefix + "/Recipient").getValue(null);
1239                         long postTime = configuration.getLongValue(postPrefix + "/Time").getValue((long) 0);
1240                         String postText = configuration.getStringValue(postPrefix + "/Text").getValue(null);
1241                         if ((postTime == 0) || (postText == null)) {
1242                                 logger.log(Level.WARNING, "Invalid post found, aborting load!");
1243                                 return;
1244                         }
1245                         Post post = getPost(postId).setSone(sone).setTime(postTime).setText(postText);
1246                         if ((postRecipientId != null) && (postRecipientId.length() == 43)) {
1247                                 post.setRecipient(getSone(postRecipientId));
1248                         }
1249                         posts.add(post);
1250                 }
1251
1252                 /* load replies. */
1253                 Set<Reply> replies = new HashSet<Reply>();
1254                 while (true) {
1255                         String replyPrefix = sonePrefix + "/Replies/" + replies.size();
1256                         String replyId = configuration.getStringValue(replyPrefix + "/ID").getValue(null);
1257                         if (replyId == null) {
1258                                 break;
1259                         }
1260                         String postId = configuration.getStringValue(replyPrefix + "/Post/ID").getValue(null);
1261                         long replyTime = configuration.getLongValue(replyPrefix + "/Time").getValue((long) 0);
1262                         String replyText = configuration.getStringValue(replyPrefix + "/Text").getValue(null);
1263                         if ((postId == null) || (replyTime == 0) || (replyText == null)) {
1264                                 logger.log(Level.WARNING, "Invalid reply found, aborting load!");
1265                                 return;
1266                         }
1267                         replies.add(getReply(replyId).setSone(sone).setPost(getPost(postId)).setTime(replyTime).setText(replyText));
1268                 }
1269
1270                 /* load post likes. */
1271                 Set<String> likedPostIds = new HashSet<String>();
1272                 while (true) {
1273                         String likedPostId = configuration.getStringValue(sonePrefix + "/Likes/Post/" + likedPostIds.size() + "/ID").getValue(null);
1274                         if (likedPostId == null) {
1275                                 break;
1276                         }
1277                         likedPostIds.add(likedPostId);
1278                 }
1279
1280                 /* load reply likes. */
1281                 Set<String> likedReplyIds = new HashSet<String>();
1282                 while (true) {
1283                         String likedReplyId = configuration.getStringValue(sonePrefix + "/Likes/Reply/" + likedReplyIds.size() + "/ID").getValue(null);
1284                         if (likedReplyId == null) {
1285                                 break;
1286                         }
1287                         likedReplyIds.add(likedReplyId);
1288                 }
1289
1290                 /* load friends. */
1291                 Set<String> friends = new HashSet<String>();
1292                 while (true) {
1293                         String friendId = configuration.getStringValue(sonePrefix + "/Friends/" + friends.size() + "/ID").getValue(null);
1294                         if (friendId == null) {
1295                                 break;
1296                         }
1297                         friends.add(friendId);
1298                 }
1299
1300                 /* load options. */
1301                 sone.getOptions().getBooleanOption("AutoFollow").set(configuration.getBooleanValue(sonePrefix + "/Options/AutoFollow").getValue(null));
1302
1303                 /* if we’re still here, Sone was loaded successfully. */
1304                 synchronized (sone) {
1305                         sone.setTime(soneTime);
1306                         sone.setProfile(profile);
1307                         sone.setPosts(posts);
1308                         sone.setReplies(replies);
1309                         sone.setLikePostIds(likedPostIds);
1310                         sone.setLikeReplyIds(likedReplyIds);
1311                         sone.setFriends(friends);
1312                         soneInserters.get(sone).setLastInsertFingerprint(lastInsertFingerprint);
1313                 }
1314                 synchronized (newSones) {
1315                         for (String friend : friends) {
1316                                 knownSones.add(friend);
1317                         }
1318                 }
1319                 synchronized (newPosts) {
1320                         for (Post post : posts) {
1321                                 knownPosts.add(post.getId());
1322                         }
1323                 }
1324                 synchronized (newReplies) {
1325                         for (Reply reply : replies) {
1326                                 knownReplies.add(reply.getId());
1327                         }
1328                 }
1329         }
1330
1331         /**
1332          * Saves the given Sone. This will persist all local settings for the given
1333          * Sone, such as the friends list and similar, private options.
1334          *
1335          * @param sone
1336          *            The Sone to save
1337          */
1338         public synchronized void saveSone(Sone sone) {
1339                 if (!isLocalSone(sone)) {
1340                         logger.log(Level.FINE, "Tried to save non-local Sone: %s", sone);
1341                         return;
1342                 }
1343                 if (!(sone.getIdentity() instanceof OwnIdentity)) {
1344                         logger.log(Level.WARNING, "Local Sone without OwnIdentity found, refusing to save: %s", sone);
1345                         return;
1346                 }
1347
1348                 logger.log(Level.INFO, "Saving Sone: %s", sone);
1349                 try {
1350                         ((OwnIdentity) sone.getIdentity()).setProperty("Sone.LatestEdition", String.valueOf(sone.getLatestEdition()));
1351
1352                         /* save Sone into configuration. */
1353                         String sonePrefix = "Sone/" + sone.getId();
1354                         configuration.getLongValue(sonePrefix + "/Time").setValue(sone.getTime());
1355                         configuration.getStringValue(sonePrefix + "/LastInsertFingerprint").setValue(soneInserters.get(sone).getLastInsertFingerprint());
1356
1357                         /* save profile. */
1358                         Profile profile = sone.getProfile();
1359                         configuration.getStringValue(sonePrefix + "/Profile/FirstName").setValue(profile.getFirstName());
1360                         configuration.getStringValue(sonePrefix + "/Profile/MiddleName").setValue(profile.getMiddleName());
1361                         configuration.getStringValue(sonePrefix + "/Profile/LastName").setValue(profile.getLastName());
1362                         configuration.getIntValue(sonePrefix + "/Profile/BirthDay").setValue(profile.getBirthDay());
1363                         configuration.getIntValue(sonePrefix + "/Profile/BirthMonth").setValue(profile.getBirthMonth());
1364                         configuration.getIntValue(sonePrefix + "/Profile/BirthYear").setValue(profile.getBirthYear());
1365
1366                         /* save profile fields. */
1367                         int fieldCounter = 0;
1368                         for (Field profileField : profile.getFields()) {
1369                                 String fieldPrefix = sonePrefix + "/Profile/Fields/" + fieldCounter++;
1370                                 configuration.getStringValue(fieldPrefix + "/Name").setValue(profileField.getName());
1371                                 configuration.getStringValue(fieldPrefix + "/Value").setValue(profileField.getValue());
1372                         }
1373                         configuration.getStringValue(sonePrefix + "/Profile/Fields/" + fieldCounter + "/Name").setValue(null);
1374
1375                         /* save posts. */
1376                         int postCounter = 0;
1377                         for (Post post : sone.getPosts()) {
1378                                 String postPrefix = sonePrefix + "/Posts/" + postCounter++;
1379                                 configuration.getStringValue(postPrefix + "/ID").setValue(post.getId());
1380                                 configuration.getStringValue(postPrefix + "/Recipient").setValue((post.getRecipient() != null) ? post.getRecipient().getId() : null);
1381                                 configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime());
1382                                 configuration.getStringValue(postPrefix + "/Text").setValue(post.getText());
1383                         }
1384                         configuration.getStringValue(sonePrefix + "/Posts/" + postCounter + "/ID").setValue(null);
1385
1386                         /* save replies. */
1387                         int replyCounter = 0;
1388                         for (Reply reply : sone.getReplies()) {
1389                                 String replyPrefix = sonePrefix + "/Replies/" + replyCounter++;
1390                                 configuration.getStringValue(replyPrefix + "/ID").setValue(reply.getId());
1391                                 configuration.getStringValue(replyPrefix + "/Post/ID").setValue(reply.getPost().getId());
1392                                 configuration.getLongValue(replyPrefix + "/Time").setValue(reply.getTime());
1393                                 configuration.getStringValue(replyPrefix + "/Text").setValue(reply.getText());
1394                         }
1395                         configuration.getStringValue(sonePrefix + "/Replies/" + replyCounter + "/ID").setValue(null);
1396
1397                         /* save post likes. */
1398                         int postLikeCounter = 0;
1399                         for (String postId : sone.getLikedPostIds()) {
1400                                 configuration.getStringValue(sonePrefix + "/Likes/Post/" + postLikeCounter++ + "/ID").setValue(postId);
1401                         }
1402                         configuration.getStringValue(sonePrefix + "/Likes/Post/" + postLikeCounter + "/ID").setValue(null);
1403
1404                         /* save reply likes. */
1405                         int replyLikeCounter = 0;
1406                         for (String replyId : sone.getLikedReplyIds()) {
1407                                 configuration.getStringValue(sonePrefix + "/Likes/Reply/" + replyLikeCounter++ + "/ID").setValue(replyId);
1408                         }
1409                         configuration.getStringValue(sonePrefix + "/Likes/Reply/" + replyLikeCounter + "/ID").setValue(null);
1410
1411                         /* save friends. */
1412                         int friendCounter = 0;
1413                         for (String friendId : sone.getFriends()) {
1414                                 configuration.getStringValue(sonePrefix + "/Friends/" + friendCounter++ + "/ID").setValue(friendId);
1415                         }
1416                         configuration.getStringValue(sonePrefix + "/Friends/" + friendCounter + "/ID").setValue(null);
1417
1418                         /* save options. */
1419                         configuration.getBooleanValue(sonePrefix + "/Options/AutoFollow").setValue(sone.getOptions().getBooleanOption("AutoFollow").getReal());
1420
1421                         configuration.save();
1422                         logger.log(Level.INFO, "Sone %s saved.", sone);
1423                 } catch (ConfigurationException ce1) {
1424                         logger.log(Level.WARNING, "Could not save Sone: " + sone, ce1);
1425                 } catch (WebOfTrustException wote1) {
1426                         logger.log(Level.WARNING, "Could not set WoT property for Sone: " + sone, wote1);
1427                 }
1428         }
1429
1430         /**
1431          * Creates a new post.
1432          *
1433          * @param sone
1434          *            The Sone that creates the post
1435          * @param text
1436          *            The text of the post
1437          * @return The created post
1438          */
1439         public Post createPost(Sone sone, String text) {
1440                 return createPost(sone, System.currentTimeMillis(), text);
1441         }
1442
1443         /**
1444          * Creates a new post.
1445          *
1446          * @param sone
1447          *            The Sone that creates the post
1448          * @param time
1449          *            The time of the post
1450          * @param text
1451          *            The text of the post
1452          * @return The created post
1453          */
1454         public Post createPost(Sone sone, long time, String text) {
1455                 return createPost(sone, null, time, text);
1456         }
1457
1458         /**
1459          * Creates a new post.
1460          *
1461          * @param sone
1462          *            The Sone that creates the post
1463          * @param recipient
1464          *            The recipient Sone, or {@code null} if this post does not have
1465          *            a recipient
1466          * @param text
1467          *            The text of the post
1468          * @return The created post
1469          */
1470         public Post createPost(Sone sone, Sone recipient, String text) {
1471                 return createPost(sone, recipient, System.currentTimeMillis(), text);
1472         }
1473
1474         /**
1475          * Creates a new post.
1476          *
1477          * @param sone
1478          *            The Sone that creates the post
1479          * @param recipient
1480          *            The recipient Sone, or {@code null} if this post does not have
1481          *            a recipient
1482          * @param time
1483          *            The time of the post
1484          * @param text
1485          *            The text of the post
1486          * @return The created post
1487          */
1488         public Post createPost(Sone sone, Sone recipient, long time, String text) {
1489                 if (!isLocalSone(sone)) {
1490                         logger.log(Level.FINE, "Tried to create post for non-local Sone: %s", sone);
1491                         return null;
1492                 }
1493                 Post post = new Post(sone, time, text);
1494                 if (recipient != null) {
1495                         post.setRecipient(recipient);
1496                 }
1497                 synchronized (posts) {
1498                         posts.put(post.getId(), post);
1499                 }
1500                 synchronized (newPosts) {
1501                         newPosts.add(post.getId());
1502                         coreListenerManager.fireNewPostFound(post);
1503                 }
1504                 sone.addPost(post);
1505                 saveSone(sone);
1506                 return post;
1507         }
1508
1509         /**
1510          * Deletes the given post.
1511          *
1512          * @param post
1513          *            The post to delete
1514          */
1515         public void deletePost(Post post) {
1516                 if (!isLocalSone(post.getSone())) {
1517                         logger.log(Level.WARNING, "Tried to delete post of non-local Sone: %s", post.getSone());
1518                         return;
1519                 }
1520                 post.getSone().removePost(post);
1521                 synchronized (posts) {
1522                         posts.remove(post.getId());
1523                 }
1524                 coreListenerManager.firePostRemoved(post);
1525                 synchronized (newPosts) {
1526                         markPostKnown(post);
1527                         knownPosts.remove(post.getId());
1528                 }
1529                 saveSone(post.getSone());
1530         }
1531
1532         /**
1533          * Marks the given post as known, if it is currently a new post (according
1534          * to {@link #isNewPost(String)}).
1535          *
1536          * @param post
1537          *            The post to mark as known
1538          */
1539         public void markPostKnown(Post post) {
1540                 synchronized (newPosts) {
1541                         if (newPosts.remove(post.getId())) {
1542                                 knownPosts.add(post.getId());
1543                                 coreListenerManager.fireMarkPostKnown(post);
1544                                 saveConfiguration();
1545                         }
1546                 }
1547         }
1548
1549         /**
1550          * Bookmarks the given post.
1551          *
1552          * @param post
1553          *            The post to bookmark
1554          */
1555         public void bookmark(Post post) {
1556                 bookmarkPost(post.getId());
1557         }
1558
1559         /**
1560          * Bookmarks the post with the given ID.
1561          *
1562          * @param id
1563          *            The ID of the post to bookmark
1564          */
1565         public void bookmarkPost(String id) {
1566                 synchronized (bookmarkedPosts) {
1567                         bookmarkedPosts.add(id);
1568                 }
1569         }
1570
1571         /**
1572          * Removes the given post from the bookmarks.
1573          *
1574          * @param post
1575          *            The post to unbookmark
1576          */
1577         public void unbookmark(Post post) {
1578                 unbookmarkPost(post.getId());
1579         }
1580
1581         /**
1582          * Removes the post with the given ID from the bookmarks.
1583          *
1584          * @param id
1585          *            The ID of the post to unbookmark
1586          */
1587         public void unbookmarkPost(String id) {
1588                 synchronized (bookmarkedPosts) {
1589                         bookmarkedPosts.remove(id);
1590                 }
1591         }
1592
1593         /**
1594          * Creates a new reply.
1595          *
1596          * @param sone
1597          *            The Sone that creates the reply
1598          * @param post
1599          *            The post that this reply refers to
1600          * @param text
1601          *            The text of the reply
1602          * @return The created reply
1603          */
1604         public Reply createReply(Sone sone, Post post, String text) {
1605                 return createReply(sone, post, System.currentTimeMillis(), text);
1606         }
1607
1608         /**
1609          * Creates a new reply.
1610          *
1611          * @param sone
1612          *            The Sone that creates the reply
1613          * @param post
1614          *            The post that this reply refers to
1615          * @param time
1616          *            The time of the reply
1617          * @param text
1618          *            The text of the reply
1619          * @return The created reply
1620          */
1621         public Reply createReply(Sone sone, Post post, long time, String text) {
1622                 if (!isLocalSone(sone)) {
1623                         logger.log(Level.FINE, "Tried to create reply for non-local Sone: %s", sone);
1624                         return null;
1625                 }
1626                 Reply reply = new Reply(sone, post, System.currentTimeMillis(), text);
1627                 synchronized (replies) {
1628                         replies.put(reply.getId(), reply);
1629                 }
1630                 synchronized (newReplies) {
1631                         newReplies.add(reply.getId());
1632                         coreListenerManager.fireNewReplyFound(reply);
1633                 }
1634                 sone.addReply(reply);
1635                 saveSone(sone);
1636                 return reply;
1637         }
1638
1639         /**
1640          * Deletes the given reply.
1641          *
1642          * @param reply
1643          *            The reply to delete
1644          */
1645         public void deleteReply(Reply reply) {
1646                 Sone sone = reply.getSone();
1647                 if (!isLocalSone(sone)) {
1648                         logger.log(Level.FINE, "Tried to delete non-local reply: %s", reply);
1649                         return;
1650                 }
1651                 synchronized (replies) {
1652                         replies.remove(reply.getId());
1653                 }
1654                 synchronized (newReplies) {
1655                         markReplyKnown(reply);
1656                         knownReplies.remove(reply.getId());
1657                 }
1658                 sone.removeReply(reply);
1659                 saveSone(sone);
1660         }
1661
1662         /**
1663          * Marks the given reply as known, if it is currently a new reply (according
1664          * to {@link #isNewReply(String)}).
1665          *
1666          * @param reply
1667          *            The reply to mark as known
1668          */
1669         public void markReplyKnown(Reply reply) {
1670                 synchronized (newReplies) {
1671                         if (newReplies.remove(reply.getId())) {
1672                                 knownReplies.add(reply.getId());
1673                                 coreListenerManager.fireMarkReplyKnown(reply);
1674                                 saveConfiguration();
1675                         }
1676                 }
1677         }
1678
1679         /**
1680          * Starts the core.
1681          */
1682         public void start() {
1683                 loadConfiguration();
1684                 updateChecker.addUpdateListener(this);
1685                 updateChecker.start();
1686         }
1687
1688         /**
1689          * Stops the core.
1690          */
1691         public void stop() {
1692                 synchronized (localSones) {
1693                         for (SoneInserter soneInserter : soneInserters.values()) {
1694                                 soneInserter.stop();
1695                         }
1696                 }
1697                 updateChecker.stop();
1698                 updateChecker.removeUpdateListener(this);
1699                 soneDownloader.stop();
1700                 saveConfiguration();
1701                 stopped = true;
1702         }
1703
1704         /**
1705          * Saves the current options.
1706          */
1707         public void saveConfiguration() {
1708                 synchronized (configuration) {
1709                         if (storingConfiguration) {
1710                                 logger.log(Level.FINE, "Already storing configuration…");
1711                                 return;
1712                         }
1713                         storingConfiguration = true;
1714                 }
1715
1716                 /* store the options first. */
1717                 try {
1718                         configuration.getIntValue("Option/ConfigurationVersion").setValue(0);
1719                         configuration.getIntValue("Option/InsertionDelay").setValue(options.getIntegerOption("InsertionDelay").getReal());
1720                         configuration.getIntValue("Option/PostsPerPage").setValue(options.getIntegerOption("PostsPerPage").getReal());
1721                         configuration.getBooleanValue("Option/RequireFullAccess").setValue(options.getBooleanOption("RequireFullAccess").getReal());
1722                         configuration.getIntValue("Option/PositiveTrust").setValue(options.getIntegerOption("PositiveTrust").getReal());
1723                         configuration.getIntValue("Option/NegativeTrust").setValue(options.getIntegerOption("NegativeTrust").getReal());
1724                         configuration.getStringValue("Option/TrustComment").setValue(options.getStringOption("TrustComment").getReal());
1725                         configuration.getBooleanValue("Option/ActivateFcpInterface").setValue(options.getBooleanOption("ActivateFcpInterface").getReal());
1726                         configuration.getIntValue("Option/FcpFullAccessRequired").setValue(options.getIntegerOption("FcpFullAccessRequired").getReal());
1727                         configuration.getBooleanValue("Option/SoneRescueMode").setValue(options.getBooleanOption("SoneRescueMode").getReal());
1728                         configuration.getBooleanValue("Option/ClearOnNextRestart").setValue(options.getBooleanOption("ClearOnNextRestart").getReal());
1729                         configuration.getBooleanValue("Option/ReallyClearOnNextRestart").setValue(options.getBooleanOption("ReallyClearOnNextRestart").getReal());
1730
1731                         /* save known Sones. */
1732                         int soneCounter = 0;
1733                         synchronized (newSones) {
1734                                 for (String knownSoneId : knownSones) {
1735                                         configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").setValue(knownSoneId);
1736                                 }
1737                                 configuration.getStringValue("KnownSone/" + soneCounter + "/ID").setValue(null);
1738                         }
1739
1740                         /* save known posts. */
1741                         int postCounter = 0;
1742                         synchronized (newPosts) {
1743                                 for (String knownPostId : knownPosts) {
1744                                         configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").setValue(knownPostId);
1745                                 }
1746                                 configuration.getStringValue("KnownPosts/" + postCounter + "/ID").setValue(null);
1747                         }
1748
1749                         /* save known replies. */
1750                         int replyCounter = 0;
1751                         synchronized (newReplies) {
1752                                 for (String knownReplyId : knownReplies) {
1753                                         configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").setValue(knownReplyId);
1754                                 }
1755                                 configuration.getStringValue("KnownReplies/" + replyCounter + "/ID").setValue(null);
1756                         }
1757
1758                         /* save bookmarked posts. */
1759                         int bookmarkedPostCounter = 0;
1760                         synchronized (bookmarkedPosts) {
1761                                 for (String bookmarkedPostId : bookmarkedPosts) {
1762                                         configuration.getStringValue("Bookmarks/Post/" + bookmarkedPostCounter++ + "/ID").setValue(bookmarkedPostId);
1763                                 }
1764                         }
1765                         configuration.getStringValue("Bookmarks/Post/" + bookmarkedPostCounter++ + "/ID").setValue(null);
1766
1767                         /* now save it. */
1768                         configuration.save();
1769
1770                 } catch (ConfigurationException ce1) {
1771                         logger.log(Level.SEVERE, "Could not store configuration!", ce1);
1772                 } finally {
1773                         synchronized (configuration) {
1774                                 storingConfiguration = false;
1775                         }
1776                 }
1777         }
1778
1779         //
1780         // PRIVATE METHODS
1781         //
1782
1783         /**
1784          * Loads the configuration.
1785          */
1786         @SuppressWarnings("unchecked")
1787         private void loadConfiguration() {
1788                 /* create options. */
1789                 options.addIntegerOption("InsertionDelay", new DefaultOption<Integer>(60, new IntegerRangeValidator(0, Integer.MAX_VALUE), new OptionWatcher<Integer>() {
1790
1791                         @Override
1792                         public void optionChanged(Option<Integer> option, Integer oldValue, Integer newValue) {
1793                                 SoneInserter.setInsertionDelay(newValue);
1794                         }
1795
1796                 }));
1797                 options.addIntegerOption("PostsPerPage", new DefaultOption<Integer>(10, new IntegerRangeValidator(1, Integer.MAX_VALUE)));
1798                 options.addBooleanOption("RequireFullAccess", new DefaultOption<Boolean>(false));
1799                 options.addIntegerOption("PositiveTrust", new DefaultOption<Integer>(75, new IntegerRangeValidator(0, 100)));
1800                 options.addIntegerOption("NegativeTrust", new DefaultOption<Integer>(-25, new IntegerRangeValidator(-100, 100)));
1801                 options.addStringOption("TrustComment", new DefaultOption<String>("Set from Sone Web Interface"));
1802                 options.addBooleanOption("ActivateFcpInterface", new DefaultOption<Boolean>(false, new OptionWatcher<Boolean>() {
1803
1804                         @Override
1805                         @SuppressWarnings("synthetic-access")
1806                         public void optionChanged(Option<Boolean> option, Boolean oldValue, Boolean newValue) {
1807                                 fcpInterface.setActive(newValue);
1808                         }
1809                 }));
1810                 options.addIntegerOption("FcpFullAccessRequired", new DefaultOption<Integer>(2, new OptionWatcher<Integer>() {
1811
1812                         @Override
1813                         @SuppressWarnings("synthetic-access")
1814                         public void optionChanged(Option<Integer> option, Integer oldValue, Integer newValue) {
1815                                 fcpInterface.setFullAccessRequired(FullAccessRequired.values()[newValue]);
1816                         }
1817
1818                 }));
1819                 options.addBooleanOption("SoneRescueMode", new DefaultOption<Boolean>(false));
1820                 options.addBooleanOption("ClearOnNextRestart", new DefaultOption<Boolean>(false));
1821                 options.addBooleanOption("ReallyClearOnNextRestart", new DefaultOption<Boolean>(false));
1822
1823                 /* read options from configuration. */
1824                 options.getBooleanOption("ClearOnNextRestart").set(configuration.getBooleanValue("Option/ClearOnNextRestart").getValue(null));
1825                 options.getBooleanOption("ReallyClearOnNextRestart").set(configuration.getBooleanValue("Option/ReallyClearOnNextRestart").getValue(null));
1826                 boolean clearConfiguration = options.getBooleanOption("ClearOnNextRestart").get() && options.getBooleanOption("ReallyClearOnNextRestart").get();
1827                 options.getBooleanOption("ClearOnNextRestart").set(null);
1828                 options.getBooleanOption("ReallyClearOnNextRestart").set(null);
1829                 if (clearConfiguration) {
1830                         /* stop loading the configuration. */
1831                         return;
1832                 }
1833
1834                 loadConfigurationValue("InsertionDelay");
1835                 loadConfigurationValue("PostsPerPage");
1836                 options.getBooleanOption("RequireFullAccess").set(configuration.getBooleanValue("Option/RequireFullAccess").getValue(null));
1837                 loadConfigurationValue("PositiveTrust");
1838                 loadConfigurationValue("NegativeTrust");
1839                 options.getStringOption("TrustComment").set(configuration.getStringValue("Option/TrustComment").getValue(null));
1840                 options.getBooleanOption("ActivateFcpInterface").set(configuration.getBooleanValue("Option/ActivateFcpInterface").getValue(null));
1841                 options.getIntegerOption("FcpFullAccessRequired").set(configuration.getIntValue("Option/FcpFullAccessRequired").getValue(null));
1842                 options.getBooleanOption("SoneRescueMode").set(configuration.getBooleanValue("Option/SoneRescueMode").getValue(null));
1843
1844                 /* load known Sones. */
1845                 int soneCounter = 0;
1846                 while (true) {
1847                         String knownSoneId = configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").getValue(null);
1848                         if (knownSoneId == null) {
1849                                 break;
1850                         }
1851                         synchronized (newSones) {
1852                                 knownSones.add(knownSoneId);
1853                         }
1854                 }
1855
1856                 /* load known posts. */
1857                 int postCounter = 0;
1858                 while (true) {
1859                         String knownPostId = configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").getValue(null);
1860                         if (knownPostId == null) {
1861                                 break;
1862                         }
1863                         synchronized (newPosts) {
1864                                 knownPosts.add(knownPostId);
1865                         }
1866                 }
1867
1868                 /* load known replies. */
1869                 int replyCounter = 0;
1870                 while (true) {
1871                         String knownReplyId = configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").getValue(null);
1872                         if (knownReplyId == null) {
1873                                 break;
1874                         }
1875                         synchronized (newReplies) {
1876                                 knownReplies.add(knownReplyId);
1877                         }
1878                 }
1879
1880                 /* load bookmarked posts. */
1881                 int bookmarkedPostCounter = 0;
1882                 while (true) {
1883                         String bookmarkedPostId = configuration.getStringValue("Bookmarks/Post/" + bookmarkedPostCounter++ + "/ID").getValue(null);
1884                         if (bookmarkedPostId == null) {
1885                                 break;
1886                         }
1887                         synchronized (bookmarkedPosts) {
1888                                 bookmarkedPosts.add(bookmarkedPostId);
1889                         }
1890                 }
1891
1892         }
1893
1894         /**
1895          * Loads an {@link Integer} configuration value for the option with the
1896          * given name, logging validation failures.
1897          *
1898          * @param optionName
1899          *            The name of the option to load
1900          */
1901         private void loadConfigurationValue(String optionName) {
1902                 try {
1903                         options.getIntegerOption(optionName).set(configuration.getIntValue("Option/" + optionName).getValue(null));
1904                 } catch (IllegalArgumentException iae1) {
1905                         logger.log(Level.WARNING, "Invalid value for " + optionName + " in configuration, using default.");
1906                 }
1907         }
1908
1909         /**
1910          * Generate a Sone URI from the given URI and latest edition.
1911          *
1912          * @param uriString
1913          *            The URI to derive the Sone URI from
1914          * @return The derived URI
1915          */
1916         private FreenetURI getSoneUri(String uriString) {
1917                 try {
1918                         FreenetURI uri = new FreenetURI(uriString).setDocName("Sone").setMetaString(new String[0]);
1919                         return uri;
1920                 } catch (MalformedURLException mue1) {
1921                         logger.log(Level.WARNING, "Could not create Sone URI from URI: " + uriString, mue1);
1922                         return null;
1923                 }
1924         }
1925
1926         //
1927         // INTERFACE IdentityListener
1928         //
1929
1930         /**
1931          * {@inheritDoc}
1932          */
1933         @Override
1934         public void ownIdentityAdded(OwnIdentity ownIdentity) {
1935                 logger.log(Level.FINEST, "Adding OwnIdentity: " + ownIdentity);
1936                 if (ownIdentity.hasContext("Sone")) {
1937                         trustedIdentities.put(ownIdentity, Collections.synchronizedSet(new HashSet<Identity>()));
1938                         addLocalSone(ownIdentity);
1939                 }
1940         }
1941
1942         /**
1943          * {@inheritDoc}
1944          */
1945         @Override
1946         public void ownIdentityRemoved(OwnIdentity ownIdentity) {
1947                 logger.log(Level.FINEST, "Removing OwnIdentity: " + ownIdentity);
1948                 trustedIdentities.remove(ownIdentity);
1949         }
1950
1951         /**
1952          * {@inheritDoc}
1953          */
1954         @Override
1955         public void identityAdded(OwnIdentity ownIdentity, Identity identity) {
1956                 logger.log(Level.FINEST, "Adding Identity: " + identity);
1957                 trustedIdentities.get(ownIdentity).add(identity);
1958                 addRemoteSone(identity);
1959         }
1960
1961         /**
1962          * {@inheritDoc}
1963          */
1964         @Override
1965         public void identityUpdated(OwnIdentity ownIdentity, final Identity identity) {
1966                 new Thread(new Runnable() {
1967
1968                         @Override
1969                         @SuppressWarnings("synthetic-access")
1970                         public void run() {
1971                                 Sone sone = getRemoteSone(identity.getId());
1972                                 sone.setIdentity(identity);
1973                                 sone.setLatestEdition(Numbers.safeParseLong(identity.getProperty("Sone.LatestEdition"), sone.getLatestEdition()));
1974                                 soneDownloader.addSone(sone);
1975                                 soneDownloader.fetchSone(sone);
1976                         }
1977                 }).start();
1978         }
1979
1980         /**
1981          * {@inheritDoc}
1982          */
1983         @Override
1984         public void identityRemoved(OwnIdentity ownIdentity, Identity identity) {
1985                 trustedIdentities.get(ownIdentity).remove(identity);
1986                 boolean foundIdentity = false;
1987                 for (Entry<OwnIdentity, Set<Identity>> trustedIdentity : trustedIdentities.entrySet()) {
1988                         if (trustedIdentity.getKey().equals(ownIdentity)) {
1989                                 continue;
1990                         }
1991                         if (trustedIdentity.getValue().contains(identity)) {
1992                                 foundIdentity = true;
1993                         }
1994                 }
1995                 if (foundIdentity) {
1996                         /* some local identity still trusts this identity, don’t remove. */
1997                         return;
1998                 }
1999                 Sone sone = getSone(identity.getId(), false);
2000                 if (sone == null) {
2001                         /* TODO - we don’t have the Sone anymore. should this happen? */
2002                         return;
2003                 }
2004                 synchronized (posts) {
2005                         synchronized (newPosts) {
2006                                 for (Post post : sone.getPosts()) {
2007                                         posts.remove(post.getId());
2008                                         newPosts.remove(post.getId());
2009                                         coreListenerManager.firePostRemoved(post);
2010                                 }
2011                         }
2012                 }
2013                 synchronized (replies) {
2014                         synchronized (newReplies) {
2015                                 for (Reply reply : sone.getReplies()) {
2016                                         replies.remove(reply.getId());
2017                                         newReplies.remove(reply.getId());
2018                                         coreListenerManager.fireReplyRemoved(reply);
2019                                 }
2020                         }
2021                 }
2022                 synchronized (remoteSones) {
2023                         remoteSones.remove(identity.getId());
2024                 }
2025                 synchronized (newSones) {
2026                         newSones.remove(identity.getId());
2027                 }
2028         }
2029
2030         //
2031         // INTERFACE UpdateListener
2032         //
2033
2034         /**
2035          * {@inheritDoc}
2036          */
2037         @Override
2038         public void updateFound(Version version, long releaseTime, long latestEdition) {
2039                 coreListenerManager.fireUpdateFound(version, releaseTime, latestEdition);
2040         }
2041
2042         /**
2043          * Convenience interface for external classes that want to access the core’s
2044          * configuration.
2045          *
2046          * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
2047          */
2048         public static class Preferences {
2049
2050                 /** The wrapped options. */
2051                 private final Options options;
2052
2053                 /**
2054                  * Creates a new preferences object wrapped around the given options.
2055                  *
2056                  * @param options
2057                  *            The options to wrap
2058                  */
2059                 public Preferences(Options options) {
2060                         this.options = options;
2061                 }
2062
2063                 /**
2064                  * Returns the insertion delay.
2065                  *
2066                  * @return The insertion delay
2067                  */
2068                 public int getInsertionDelay() {
2069                         return options.getIntegerOption("InsertionDelay").get();
2070                 }
2071
2072                 /**
2073                  * Validates the given insertion delay.
2074                  *
2075                  * @param insertionDelay
2076                  *            The insertion delay to validate
2077                  * @return {@code true} if the given insertion delay was valid, {@code
2078                  *         false} otherwise
2079                  */
2080                 public boolean validateInsertionDelay(Integer insertionDelay) {
2081                         return options.getIntegerOption("InsertionDelay").validate(insertionDelay);
2082                 }
2083
2084                 /**
2085                  * Sets the insertion delay
2086                  *
2087                  * @param insertionDelay
2088                  *            The new insertion delay, or {@code null} to restore it to
2089                  *            the default value
2090                  * @return This preferences
2091                  */
2092                 public Preferences setInsertionDelay(Integer insertionDelay) {
2093                         options.getIntegerOption("InsertionDelay").set(insertionDelay);
2094                         return this;
2095                 }
2096
2097                 /**
2098                  * Returns the number of posts to show per page.
2099                  *
2100                  * @return The number of posts to show per page
2101                  */
2102                 public int getPostsPerPage() {
2103                         return options.getIntegerOption("PostsPerPage").get();
2104                 }
2105
2106                 /**
2107                  * Validates the number of posts per page.
2108                  *
2109                  * @param postsPerPage
2110                  *            The number of posts per page
2111                  * @return {@code true} if the number of posts per page was valid,
2112                  *         {@code false} otherwise
2113                  */
2114                 public boolean validatePostsPerPage(Integer postsPerPage) {
2115                         return options.getIntegerOption("PostsPerPage").validate(postsPerPage);
2116                 }
2117
2118                 /**
2119                  * Sets the number of posts to show per page.
2120                  *
2121                  * @param postsPerPage
2122                  *            The number of posts to show per page
2123                  * @return This preferences object
2124                  */
2125                 public Preferences setPostsPerPage(Integer postsPerPage) {
2126                         options.getIntegerOption("PostsPerPage").set(postsPerPage);
2127                         return this;
2128                 }
2129
2130                 /**
2131                  * Returns whether Sone requires full access to be even visible.
2132                  *
2133                  * @return {@code true} if Sone requires full access, {@code false}
2134                  *         otherwise
2135                  */
2136                 public boolean isRequireFullAccess() {
2137                         return options.getBooleanOption("RequireFullAccess").get();
2138                 }
2139
2140                 /**
2141                  * Sets whether Sone requires full access to be even visible.
2142                  *
2143                  * @param requireFullAccess
2144                  *            {@code true} if Sone requires full access, {@code false}
2145                  *            otherwise
2146                  */
2147                 public void setRequireFullAccess(Boolean requireFullAccess) {
2148                         options.getBooleanOption("RequireFullAccess").set(requireFullAccess);
2149                 }
2150
2151                 /**
2152                  * Returns the positive trust.
2153                  *
2154                  * @return The positive trust
2155                  */
2156                 public int getPositiveTrust() {
2157                         return options.getIntegerOption("PositiveTrust").get();
2158                 }
2159
2160                 /**
2161                  * Validates the positive trust.
2162                  *
2163                  * @param positiveTrust
2164                  *            The positive trust to validate
2165                  * @return {@code true} if the positive trust was valid, {@code false}
2166                  *         otherwise
2167                  */
2168                 public boolean validatePositiveTrust(Integer positiveTrust) {
2169                         return options.getIntegerOption("PositiveTrust").validate(positiveTrust);
2170                 }
2171
2172                 /**
2173                  * Sets the positive trust.
2174                  *
2175                  * @param positiveTrust
2176                  *            The new positive trust, or {@code null} to restore it to
2177                  *            the default vlaue
2178                  * @return This preferences
2179                  */
2180                 public Preferences setPositiveTrust(Integer positiveTrust) {
2181                         options.getIntegerOption("PositiveTrust").set(positiveTrust);
2182                         return this;
2183                 }
2184
2185                 /**
2186                  * Returns the negative trust.
2187                  *
2188                  * @return The negative trust
2189                  */
2190                 public int getNegativeTrust() {
2191                         return options.getIntegerOption("NegativeTrust").get();
2192                 }
2193
2194                 /**
2195                  * Validates the negative trust.
2196                  *
2197                  * @param negativeTrust
2198                  *            The negative trust to validate
2199                  * @return {@code true} if the negative trust was valid, {@code false}
2200                  *         otherwise
2201                  */
2202                 public boolean validateNegativeTrust(Integer negativeTrust) {
2203                         return options.getIntegerOption("NegativeTrust").validate(negativeTrust);
2204                 }
2205
2206                 /**
2207                  * Sets the negative trust.
2208                  *
2209                  * @param negativeTrust
2210                  *            The negative trust, or {@code null} to restore it to the
2211                  *            default value
2212                  * @return The preferences
2213                  */
2214                 public Preferences setNegativeTrust(Integer negativeTrust) {
2215                         options.getIntegerOption("NegativeTrust").set(negativeTrust);
2216                         return this;
2217                 }
2218
2219                 /**
2220                  * Returns the trust comment. This is the comment that is set in the web
2221                  * of trust when a trust value is assigned to an identity.
2222                  *
2223                  * @return The trust comment
2224                  */
2225                 public String getTrustComment() {
2226                         return options.getStringOption("TrustComment").get();
2227                 }
2228
2229                 /**
2230                  * Sets the trust comment.
2231                  *
2232                  * @param trustComment
2233                  *            The trust comment, or {@code null} to restore it to the
2234                  *            default value
2235                  * @return This preferences
2236                  */
2237                 public Preferences setTrustComment(String trustComment) {
2238                         options.getStringOption("TrustComment").set(trustComment);
2239                         return this;
2240                 }
2241
2242                 /**
2243                  * Returns whether the {@link FcpInterface FCP interface} is currently
2244                  * active.
2245                  *
2246                  * @see FcpInterface#setActive(boolean)
2247                  * @return {@code true} if the FCP interface is currently active,
2248                  *         {@code false} otherwise
2249                  */
2250                 public boolean isFcpInterfaceActive() {
2251                         return options.getBooleanOption("ActivateFcpInterface").get();
2252                 }
2253
2254                 /**
2255                  * Sets whether the {@link FcpInterface FCP interface} is currently
2256                  * active.
2257                  *
2258                  * @see FcpInterface#setActive(boolean)
2259                  * @param fcpInterfaceActive
2260                  *            {@code true} to activate the FCP interface, {@code false}
2261                  *            to deactivate the FCP interface
2262                  * @return This preferences object
2263                  */
2264                 public Preferences setFcpInterfaceActive(boolean fcpInterfaceActive) {
2265                         options.getBooleanOption("ActivateFcpInterface").set(fcpInterfaceActive);
2266                         return this;
2267                 }
2268
2269                 /**
2270                  * Returns the action level for which full access to the FCP interface
2271                  * is required.
2272                  *
2273                  * @return The action level for which full access to the FCP interface
2274                  *         is required
2275                  */
2276                 public FullAccessRequired getFcpFullAccessRequired() {
2277                         return FullAccessRequired.values()[options.getIntegerOption("FcpFullAccessRequired").get()];
2278                 }
2279
2280                 /**
2281                  * Sets the action level for which full access to the FCP interface is
2282                  * required
2283                  *
2284                  * @param fcpFullAccessRequired
2285                  *            The action level
2286                  * @return This preferences
2287                  */
2288                 public Preferences setFcpFullAccessRequired(FullAccessRequired fcpFullAccessRequired) {
2289                         options.getIntegerOption("FcpFullAccessRequired").set((fcpFullAccessRequired != null) ? fcpFullAccessRequired.ordinal() : null);
2290                         return this;
2291                 }
2292
2293                 /**
2294                  * Returns whether the rescue mode is active.
2295                  *
2296                  * @return {@code true} if the rescue mode is active, {@code false}
2297                  *         otherwise
2298                  */
2299                 public boolean isSoneRescueMode() {
2300                         return options.getBooleanOption("SoneRescueMode").get();
2301                 }
2302
2303                 /**
2304                  * Sets whether the rescue mode is active.
2305                  *
2306                  * @param soneRescueMode
2307                  *            {@code true} if the rescue mode is active, {@code false}
2308                  *            otherwise
2309                  * @return This preferences
2310                  */
2311                 public Preferences setSoneRescueMode(Boolean soneRescueMode) {
2312                         options.getBooleanOption("SoneRescueMode").set(soneRescueMode);
2313                         return this;
2314                 }
2315
2316                 /**
2317                  * Returns whether Sone should clear its settings on the next restart.
2318                  * In order to be effective, {@link #isReallyClearOnNextRestart()} needs
2319                  * to return {@code true} as well!
2320                  *
2321                  * @return {@code true} if Sone should clear its settings on the next
2322                  *         restart, {@code false} otherwise
2323                  */
2324                 public boolean isClearOnNextRestart() {
2325                         return options.getBooleanOption("ClearOnNextRestart").get();
2326                 }
2327
2328                 /**
2329                  * Sets whether Sone will clear its settings on the next restart.
2330                  *
2331                  * @param clearOnNextRestart
2332                  *            {@code true} if Sone should clear its settings on the next
2333                  *            restart, {@code false} otherwise
2334                  * @return This preferences
2335                  */
2336                 public Preferences setClearOnNextRestart(Boolean clearOnNextRestart) {
2337                         options.getBooleanOption("ClearOnNextRestart").set(clearOnNextRestart);
2338                         return this;
2339                 }
2340
2341                 /**
2342                  * Returns whether Sone should really clear its settings on next
2343                  * restart. This is a confirmation option that needs to be set in
2344                  * addition to {@link #isClearOnNextRestart()} in order to clear Sone’s
2345                  * settings on the next restart.
2346                  *
2347                  * @return {@code true} if Sone should really clear its settings on the
2348                  *         next restart, {@code false} otherwise
2349                  */
2350                 public boolean isReallyClearOnNextRestart() {
2351                         return options.getBooleanOption("ReallyClearOnNextRestart").get();
2352                 }
2353
2354                 /**
2355                  * Sets whether Sone should really clear its settings on the next
2356                  * restart.
2357                  *
2358                  * @param reallyClearOnNextRestart
2359                  *            {@code true} if Sone should really clear its settings on
2360                  *            the next restart, {@code false} otherwise
2361                  * @return This preferences
2362                  */
2363                 public Preferences setReallyClearOnNextRestart(Boolean reallyClearOnNextRestart) {
2364                         options.getBooleanOption("ReallyClearOnNextRestart").set(reallyClearOnNextRestart);
2365                         return this;
2366                 }
2367
2368         }
2369
2370 }