Java tutorial
/* * Sone - Core.java - Copyright 20102013 David Roden * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package net.pterodactylus.sone.core; import static com.google.common.base.Preconditions.checkArgument; import static com.google.common.base.Preconditions.checkNotNull; import java.net.MalformedURLException; import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Map.Entry; import java.util.Set; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; import java.util.logging.Level; import java.util.logging.Logger; import net.pterodactylus.sone.core.Options.DefaultOption; import net.pterodactylus.sone.core.Options.Option; import net.pterodactylus.sone.core.Options.OptionWatcher; import net.pterodactylus.sone.core.event.ImageInsertFinishedEvent; import net.pterodactylus.sone.core.event.MarkPostKnownEvent; import net.pterodactylus.sone.core.event.MarkPostReplyKnownEvent; import net.pterodactylus.sone.core.event.MarkSoneKnownEvent; import net.pterodactylus.sone.core.event.NewPostFoundEvent; import net.pterodactylus.sone.core.event.NewPostReplyFoundEvent; import net.pterodactylus.sone.core.event.NewSoneFoundEvent; import net.pterodactylus.sone.core.event.PostRemovedEvent; import net.pterodactylus.sone.core.event.PostReplyRemovedEvent; import net.pterodactylus.sone.core.event.SoneLockedEvent; import net.pterodactylus.sone.core.event.SoneRemovedEvent; import net.pterodactylus.sone.core.event.SoneUnlockedEvent; import net.pterodactylus.sone.data.Album; import net.pterodactylus.sone.data.Client; import net.pterodactylus.sone.data.Image; import net.pterodactylus.sone.data.Post; import net.pterodactylus.sone.data.PostReply; import net.pterodactylus.sone.data.Profile; import net.pterodactylus.sone.data.Profile.Field; import net.pterodactylus.sone.data.Reply; import net.pterodactylus.sone.data.Sone; import net.pterodactylus.sone.data.Sone.ShowCustomAvatars; import net.pterodactylus.sone.data.Sone.SoneStatus; import net.pterodactylus.sone.data.SoneImpl; import net.pterodactylus.sone.data.TemporaryImage; import net.pterodactylus.sone.database.Database; import net.pterodactylus.sone.database.DatabaseException; import net.pterodactylus.sone.database.PostBuilder; import net.pterodactylus.sone.database.PostProvider; import net.pterodactylus.sone.database.PostReplyBuilder; import net.pterodactylus.sone.database.PostReplyProvider; import net.pterodactylus.sone.database.SoneProvider; import net.pterodactylus.sone.fcp.FcpInterface; import net.pterodactylus.sone.fcp.FcpInterface.FullAccessRequired; import net.pterodactylus.sone.freenet.wot.Identity; import net.pterodactylus.sone.freenet.wot.IdentityManager; import net.pterodactylus.sone.freenet.wot.OwnIdentity; import net.pterodactylus.sone.freenet.wot.event.IdentityAddedEvent; import net.pterodactylus.sone.freenet.wot.event.IdentityRemovedEvent; import net.pterodactylus.sone.freenet.wot.event.IdentityUpdatedEvent; import net.pterodactylus.sone.freenet.wot.event.OwnIdentityAddedEvent; import net.pterodactylus.sone.freenet.wot.event.OwnIdentityRemovedEvent; import net.pterodactylus.sone.main.SonePlugin; import net.pterodactylus.sone.utils.IntegerRangePredicate; import net.pterodactylus.util.config.Configuration; import net.pterodactylus.util.config.ConfigurationException; import net.pterodactylus.util.logging.Logging; import net.pterodactylus.util.number.Numbers; import net.pterodactylus.util.service.AbstractService; import net.pterodactylus.util.thread.NamedThreadFactory; import com.google.common.base.Optional; import com.google.common.base.Predicate; import com.google.common.base.Predicates; import com.google.common.collect.FluentIterable; import com.google.common.collect.HashMultimap; import com.google.common.collect.ImmutableSet; import com.google.common.collect.Multimap; import com.google.common.collect.Multimaps; import com.google.common.eventbus.EventBus; import com.google.common.eventbus.Subscribe; import com.google.inject.Inject; import freenet.keys.FreenetURI; /** * The Sone core. * * @author <a href="mailto:bombe@pterodactylus.net">David Bombe Roden</a> */ public class Core extends AbstractService implements SoneProvider, PostProvider, PostReplyProvider { /** The logger. */ private static final Logger logger = Logging.getLogger(Core.class); /** The start time. */ private final long startupTime = System.currentTimeMillis(); /** The options. */ private final Options options = new Options(); /** The preferences. */ private final Preferences preferences = new Preferences(options); /** The event bus. */ private final EventBus eventBus; /** The configuration. */ private Configuration configuration; /** Whether were currently saving the configuration. */ private boolean storingConfiguration = false; /** The identity manager. */ private final IdentityManager identityManager; /** Interface to freenet. */ private final FreenetInterface freenetInterface; /** The Sone downloader. */ private final SoneDownloader soneDownloader; /** The image inserter. */ private final ImageInserter imageInserter; /** Sone downloader thread-pool. */ private final ExecutorService soneDownloaders = Executors.newFixedThreadPool(10, new NamedThreadFactory("Sone Downloader %2$d")); /** The update checker. */ private final UpdateChecker updateChecker; /** The trust updater. */ private final WebOfTrustUpdater webOfTrustUpdater; /** The FCP interface. */ private volatile FcpInterface fcpInterface; /** The times Sones were followed. */ private final Map<String, Long> soneFollowingTimes = new HashMap<String, Long>(); /** Locked local Sones. */ /* synchronize on itself. */ private final Set<Sone> lockedSones = new HashSet<Sone>(); /** Sone inserters. */ /* synchronize access on this on sones. */ private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>(); /** Sone rescuers. */ /* synchronize access on this on sones. */ private final Map<Sone, SoneRescuer> soneRescuers = new HashMap<Sone, SoneRescuer>(); /** All Sones. */ /* synchronize access on this on itself. */ private final Map<String, Sone> sones = new HashMap<String, Sone>(); /** All known Sones. */ private final Set<String> knownSones = new HashSet<String>(); /** The post database. */ private final Database database; /** All bookmarked posts. */ /* synchronize access on itself. */ private final Set<String> bookmarkedPosts = new HashSet<String>(); /** Trusted identities, sorted by own identities. */ private final Multimap<OwnIdentity, Identity> trustedIdentities = Multimaps .synchronizedSetMultimap(HashMultimap.<OwnIdentity, Identity>create()); /** All temporary images. */ private final Map<String, TemporaryImage> temporaryImages = new HashMap<String, TemporaryImage>(); /** Ticker for threads that mark own elements as known. */ private final ScheduledExecutorService localElementTicker = Executors.newScheduledThreadPool(1); /** The time the configuration was last touched. */ private volatile long lastConfigurationUpdate; /** * Creates a new core. * * @param configuration * The configuration of the core * @param freenetInterface * The freenet interface * @param identityManager * The identity manager * @param webOfTrustUpdater * The WebOfTrust updater * @param eventBus * The event bus * @param database * The database */ @Inject public Core(Configuration configuration, FreenetInterface freenetInterface, IdentityManager identityManager, WebOfTrustUpdater webOfTrustUpdater, EventBus eventBus, Database database) { super("Sone Core"); this.configuration = configuration; this.freenetInterface = freenetInterface; this.identityManager = identityManager; this.soneDownloader = new SoneDownloader(this, freenetInterface); this.imageInserter = new ImageInserter(freenetInterface); this.updateChecker = new UpdateChecker(eventBus, freenetInterface); this.webOfTrustUpdater = webOfTrustUpdater; this.eventBus = eventBus; this.database = database; } // // ACCESSORS // /** * Returns the time Sone was started. * * @return The startup time (in milliseconds since Jan 1, 1970 UTC) */ public long getStartupTime() { return startupTime; } /** * Sets the configuration to use. This will automatically save the current * configuration to the given configuration. * * @param configuration * The new configuration to use */ public void setConfiguration(Configuration configuration) { this.configuration = configuration; touchConfiguration(); } /** * Returns the options used by the core. * * @return The options of the core */ public Preferences getPreferences() { return preferences; } /** * Returns the identity manager used by the core. * * @return The identity manager */ public IdentityManager getIdentityManager() { return identityManager; } /** * Returns the update checker. * * @return The update checker */ public UpdateChecker getUpdateChecker() { return updateChecker; } /** * Sets the FCP interface to use. * * @param fcpInterface * The FCP interface to use */ public void setFcpInterface(FcpInterface fcpInterface) { this.fcpInterface = fcpInterface; } /** * Returns the Sone rescuer for the given local Sone. * * @param sone * The local Sone to get the rescuer for * @return The Sone rescuer for the given Sone */ public SoneRescuer getSoneRescuer(Sone sone) { checkNotNull(sone, "sone must not be null"); checkArgument(sone.isLocal(), "sone must be local"); synchronized (sones) { SoneRescuer soneRescuer = soneRescuers.get(sone); if (soneRescuer == null) { soneRescuer = new SoneRescuer(this, soneDownloader, sone); soneRescuers.put(sone, soneRescuer); soneRescuer.start(); } return soneRescuer; } } /** * Returns whether the given Sone is currently locked. * * @param sone * The sone to check * @return {@code true} if the Sone is locked, {@code false} if it is not */ public boolean isLocked(Sone sone) { synchronized (lockedSones) { return lockedSones.contains(sone); } } /** * {@inheritDocs} */ @Override public Collection<Sone> getSones() { synchronized (sones) { return ImmutableSet.copyOf(sones.values()); } } /** * Returns the Sone with the given ID, regardless whether its local or * remote. * * @param id * The ID of the Sone to get * @return The Sone with the given ID, or {@code null} if there is no such * Sone */ @Override public Optional<Sone> getSone(String id) { synchronized (sones) { return Optional.fromNullable(sones.get(id)); } } /** * {@inheritDocs} */ @Override public Collection<Sone> getLocalSones() { synchronized (sones) { return FluentIterable.from(sones.values()).filter(new Predicate<Sone>() { @Override public boolean apply(Sone sone) { return sone.isLocal(); } }).toSet(); } } /** * Returns the local Sone with the given ID, optionally creating a new Sone. * * @param id * The ID of the Sone * @param create * {@code true} to create a new Sone if none exists, * {@code false} to return null if none exists * @return The Sone with the given ID, or {@code null} */ public Sone getLocalSone(String id, boolean create) { synchronized (sones) { Sone sone = sones.get(id); if ((sone == null) && create) { sone = new SoneImpl(id, true); sones.put(id, sone); } if ((sone != null) && !sone.isLocal()) { sone = new SoneImpl(id, true); sones.put(id, sone); } return sone; } } /** * {@inheritDocs} */ @Override public Collection<Sone> getRemoteSones() { synchronized (sones) { return FluentIterable.from(sones.values()).filter(new Predicate<Sone>() { @Override public boolean apply(Sone sone) { return !sone.isLocal(); } }).toSet(); } } /** * Returns the remote Sone with the given ID. * * @param id * The ID of the remote Sone to get * @param create * {@code true} to always create a Sone, {@code false} to return * {@code null} if no Sone with the given ID exists * @return The Sone with the given ID */ public Sone getRemoteSone(String id, boolean create) { synchronized (sones) { Sone sone = sones.get(id); if ((sone == null) && create && (id != null) && (id.length() == 43)) { sone = new SoneImpl(id, false); sones.put(id, sone); } return sone; } } /** * Returns whether the given Sone has been modified. * * @param sone * The Sone to check for modifications * @return {@code true} if a modification has been detected in the Sone, * {@code false} otherwise */ public boolean isModifiedSone(Sone sone) { return (soneInserters.containsKey(sone)) ? soneInserters.get(sone).isModified() : false; } /** * Returns the time when the given was first followed by any local Sone. * * @param sone * The Sone to get the time for * @return The time (in milliseconds since Jan 1, 1970) the Sone has first * been followed, or {@link Long#MAX_VALUE} */ public long getSoneFollowingTime(Sone sone) { synchronized (soneFollowingTimes) { return Optional.fromNullable(soneFollowingTimes.get(sone.getId())).or(Long.MAX_VALUE); } } /** * Returns whether the target Sone is trusted by the origin Sone. * * @param origin * The origin Sone * @param target * The target Sone * @return {@code true} if the target Sone is trusted by the origin Sone */ public boolean isSoneTrusted(Sone origin, Sone target) { checkNotNull(origin, "origin must not be null"); checkNotNull(target, "target must not be null"); checkArgument(origin.getIdentity() instanceof OwnIdentity, "origins identity must be an OwnIdentity"); return trustedIdentities.containsEntry(origin.getIdentity(), target.getIdentity()); } /** * Returns a post builder. * * @return A new post builder */ public PostBuilder postBuilder() { return database.newPostBuilder(); } /** * {@inheritDoc} */ @Override public Optional<Post> getPost(String postId) { return database.getPost(postId); } /** * {@inheritDocs} */ @Override public Collection<Post> getPosts(String soneId) { return database.getPosts(soneId); } /** * {@inheritDoc} */ @Override public Collection<Post> getDirectedPosts(final String recipientId) { checkNotNull(recipientId, "recipient must not be null"); return database.getDirectedPosts(recipientId); } /** * Returns a post reply builder. * * @return A new post reply builder */ public PostReplyBuilder postReplyBuilder() { return database.newPostReplyBuilder(); } /** * {@inheritDoc} */ @Override public Optional<PostReply> getPostReply(String replyId) { return database.getPostReply(replyId); } /** * {@inheritDoc} */ @Override public List<PostReply> getReplies(final String postId) { return database.getReplies(postId); } /** * Returns all Sones that have liked the given post. * * @param post * The post to get the liking Sones for * @return The Sones that like the given post */ public Set<Sone> getLikes(Post post) { Set<Sone> sones = new HashSet<Sone>(); for (Sone sone : getSones()) { if (sone.getLikedPostIds().contains(post.getId())) { sones.add(sone); } } return sones; } /** * Returns all Sones that have liked the given reply. * * @param reply * The reply to get the liking Sones for * @return The Sones that like the given reply */ public Set<Sone> getLikes(PostReply reply) { Set<Sone> sones = new HashSet<Sone>(); for (Sone sone : getSones()) { if (sone.getLikedReplyIds().contains(reply.getId())) { sones.add(sone); } } return sones; } /** * Returns whether the given post is bookmarked. * * @param post * The post to check * @return {@code true} if the given post is bookmarked, {@code false} * otherwise */ public boolean isBookmarked(Post post) { return isPostBookmarked(post.getId()); } /** * Returns whether the post with the given ID is bookmarked. * * @param id * The ID of the post to check * @return {@code true} if the post with the given ID is bookmarked, * {@code false} otherwise */ public boolean isPostBookmarked(String id) { synchronized (bookmarkedPosts) { return bookmarkedPosts.contains(id); } } /** * Returns all currently known bookmarked posts. * * @return All bookmarked posts */ public Set<Post> getBookmarkedPosts() { Set<Post> posts = new HashSet<Post>(); synchronized (bookmarkedPosts) { for (String bookmarkedPostId : bookmarkedPosts) { Optional<Post> post = getPost(bookmarkedPostId); if (post.isPresent()) { posts.add(post.get()); } } } return posts; } /** * Returns the album with the given ID, creating a new album if no album * with the given ID can be found. * * @param albumId * The ID of the album * @return The album with the given ID */ public Album getAlbum(String albumId) { return getAlbum(albumId, true); } /** * Returns the album with the given ID, optionally creating a new album if * an album with the given ID can not be found. * * @param albumId * The ID of the album * @param create * {@code true} to create a new album if none exists for the * given ID * @return The album with the given ID, or {@code null} if no album with the * given ID exists and {@code create} is {@code false} */ public Album getAlbum(String albumId, boolean create) { Optional<Album> album = database.getAlbum(albumId); if (album.isPresent()) { return album.get(); } if (!create) { return null; } Album newAlbum = database.newAlbumBuilder().withId(albumId).build(); database.storeAlbum(newAlbum); return newAlbum; } /** * Returns the image with the given ID, creating it if necessary. * * @param imageId * The ID of the image * @return The image with the given ID */ public Image getImage(String imageId) { return getImage(imageId, true); } /** * Returns the image with the given ID, optionally creating it if it does * not exist. * * @param imageId * The ID of the image * @param create * {@code true} to create an image if none exists with the given * ID * @return The image with the given ID, or {@code null} if none exists and * none was created */ public Image getImage(String imageId, boolean create) { Optional<Image> image = database.getImage(imageId); if (image.isPresent()) { return image.get(); } if (!create) { return null; } Image newImage = database.newImageBuilder().withId(imageId).build(); database.storeImage(newImage); return newImage; } /** * Returns the temporary image with the given ID. * * @param imageId * The ID of the temporary image * @return The temporary image, or {@code null} if there is no temporary * image with the given ID */ public TemporaryImage getTemporaryImage(String imageId) { synchronized (temporaryImages) { return temporaryImages.get(imageId); } } // // ACTIONS // /** * Locks the given Sone. A locked Sone will not be inserted by * {@link SoneInserter} until it is {@link #unlockSone(Sone) unlocked} * again. * * @param sone * The sone to lock */ public void lockSone(Sone sone) { synchronized (lockedSones) { if (lockedSones.add(sone)) { eventBus.post(new SoneLockedEvent(sone)); } } } /** * Unlocks the given Sone. * * @see #lockSone(Sone) * @param sone * The sone to unlock */ public void unlockSone(Sone sone) { synchronized (lockedSones) { if (lockedSones.remove(sone)) { eventBus.post(new SoneUnlockedEvent(sone)); } } } /** * Adds a local Sone from the given own identity. * * @param ownIdentity * The own identity to create a Sone from * @return The added (or already existing) Sone */ public Sone addLocalSone(OwnIdentity ownIdentity) { if (ownIdentity == null) { logger.log(Level.WARNING, "Given OwnIdentity is null!"); return null; } logger.info(String.format("Adding Sone from OwnIdentity: %s", ownIdentity)); synchronized (sones) { final Sone sone; try { sone = getLocalSone(ownIdentity.getId(), true).setIdentity(ownIdentity) .setInsertUri(new FreenetURI(ownIdentity.getInsertUri())) .setRequestUri(new FreenetURI(ownIdentity.getRequestUri())); } catch (MalformedURLException mue1) { logger.log(Level.SEVERE, String.format("Could not convert the Identitys URIs to Freenet URIs: %s, %s", ownIdentity.getInsertUri(), ownIdentity.getRequestUri()), mue1); return null; } sone.setLatestEdition(Numbers.safeParseLong(ownIdentity.getProperty("Sone.LatestEdition"), (long) 0)); sone.setClient(new Client("Sone", SonePlugin.VERSION.toString())); sone.setKnown(true); /* TODO - load posts n stuff */ sones.put(ownIdentity.getId(), sone); final SoneInserter soneInserter = new SoneInserter(this, eventBus, freenetInterface, sone); soneInserters.put(sone, soneInserter); sone.setStatus(SoneStatus.idle); loadSone(sone); soneInserter.start(); return sone; } } /** * Creates a new Sone for the given own identity. * * @param ownIdentity * The own identity to create a Sone for * @return The created Sone */ public Sone createSone(OwnIdentity ownIdentity) { if (!webOfTrustUpdater.addContextWait(ownIdentity, "Sone")) { logger.log(Level.SEVERE, String.format("Could not add Sone? context to own identity: %s", ownIdentity)); return null; } Sone sone = addLocalSone(ownIdentity); sone.getOptions().addBooleanOption("AutoFollow", new DefaultOption<Boolean>(false)); sone.getOptions().addBooleanOption("EnableSoneInsertNotifications", new DefaultOption<Boolean>(false)); sone.getOptions().addBooleanOption("ShowNotification/NewSones", new DefaultOption<Boolean>(true)); sone.getOptions().addBooleanOption("ShowNotification/NewPosts", new DefaultOption<Boolean>(true)); sone.getOptions().addBooleanOption("ShowNotification/NewReplies", new DefaultOption<Boolean>(true)); sone.getOptions().addEnumOption("ShowCustomAvatars", new DefaultOption<ShowCustomAvatars>(ShowCustomAvatars.NEVER)); followSone(sone, "nwa8lHa271k2QvJ8aa0Ov7IHAV-DFOCFgmDt3X6BpCI"); touchConfiguration(); return sone; } /** * Adds the Sone of the given identity. * * @param identity * The identity whose Sone to add * @return The added or already existing Sone */ public Sone addRemoteSone(Identity identity) { if (identity == null) { logger.log(Level.WARNING, "Given Identity is null!"); return null; } synchronized (sones) { final Sone sone = getRemoteSone(identity.getId(), true); if (sone.isLocal()) { return sone; } sone.setIdentity(identity); boolean newSone = sone.getRequestUri() == null; sone.setRequestUri(SoneUri.create(identity.getRequestUri())); sone.setLatestEdition(Numbers.safeParseLong(identity.getProperty("Sone.LatestEdition"), (long) 0)); if (newSone) { synchronized (knownSones) { newSone = !knownSones.contains(sone.getId()); } sone.setKnown(!newSone); if (newSone) { eventBus.post(new NewSoneFoundEvent(sone)); for (Sone localSone : getLocalSones()) { if (localSone.getOptions().getBooleanOption("AutoFollow").get()) { followSone(localSone, sone.getId()); } } } } soneDownloader.addSone(sone); soneDownloaders.execute(new Runnable() { @Override @SuppressWarnings("synthetic-access") public void run() { soneDownloader.fetchSone(sone, sone.getRequestUri()); } }); return sone; } } /** * Lets the given local Sone follow the Sone with the given ID. * * @param sone * The local Sone that should follow another Sone * @param soneId * The ID of the Sone to follow */ public void followSone(Sone sone, String soneId) { checkNotNull(sone, "sone must not be null"); checkNotNull(soneId, "soneId must not be null"); sone.addFriend(soneId); synchronized (soneFollowingTimes) { if (!soneFollowingTimes.containsKey(soneId)) { long now = System.currentTimeMillis(); soneFollowingTimes.put(soneId, now); Optional<Sone> followedSone = getSone(soneId); if (!followedSone.isPresent()) { return; } for (Post post : followedSone.get().getPosts()) { if (post.getTime() < now) { markPostKnown(post); } } for (PostReply reply : followedSone.get().getReplies()) { if (reply.getTime() < now) { markReplyKnown(reply); } } } } touchConfiguration(); } /** * Lets the given local Sone unfollow the Sone with the given ID. * * @param sone * The local Sone that should unfollow another Sone * @param soneId * The ID of the Sone being unfollowed */ public void unfollowSone(Sone sone, String soneId) { checkNotNull(sone, "sone must not be null"); checkNotNull(soneId, "soneId must not be null"); sone.removeFriend(soneId); boolean unfollowedSoneStillFollowed = false; for (Sone localSone : getLocalSones()) { unfollowedSoneStillFollowed |= localSone.hasFriend(soneId); } if (!unfollowedSoneStillFollowed) { synchronized (soneFollowingTimes) { soneFollowingTimes.remove(soneId); } } touchConfiguration(); } /** * Sets the trust value of the given origin Sone for the target Sone. * * @param origin * The origin Sone * @param target * The target Sone * @param trustValue * The trust value (from {@code -100} to {@code 100}) */ public void setTrust(Sone origin, Sone target, int trustValue) { checkNotNull(origin, "origin must not be null"); checkArgument(origin.getIdentity() instanceof OwnIdentity, "origin must be a local Sone"); checkNotNull(target, "target must not be null"); checkArgument((trustValue >= -100) && (trustValue <= 100), "trustValue must be within [-100, 100]"); webOfTrustUpdater.setTrust((OwnIdentity) origin.getIdentity(), target.getIdentity(), trustValue, preferences.getTrustComment()); } /** * Removes any trust assignment for the given target Sone. * * @param origin * The trust origin * @param target * The trust target */ public void removeTrust(Sone origin, Sone target) { checkNotNull(origin, "origin must not be null"); checkNotNull(target, "target must not be null"); checkArgument(origin.getIdentity() instanceof OwnIdentity, "origin must be a local Sone"); webOfTrustUpdater.setTrust((OwnIdentity) origin.getIdentity(), target.getIdentity(), null, null); } /** * Assigns the configured positive trust value for the given target. * * @param origin * The trust origin * @param target * The trust target */ public void trustSone(Sone origin, Sone target) { setTrust(origin, target, preferences.getPositiveTrust()); } /** * Assigns the configured negative trust value for the given target. * * @param origin * The trust origin * @param target * The trust target */ public void distrustSone(Sone origin, Sone target) { setTrust(origin, target, preferences.getNegativeTrust()); } /** * Removes the trust assignment for the given target. * * @param origin * The trust origin * @param target * The trust target */ public void untrustSone(Sone origin, Sone target) { removeTrust(origin, target); } /** * Updates the stored Sone with the given Sone. * * @param sone * The updated Sone */ public void updateSone(Sone sone) { updateSone(sone, false); } /** * Updates the stored Sone with the given Sone. If {@code soneRescueMode} is * {@code true}, an older Sone than the current Sone can be given to restore * an old state. * * @param sone * The Sone to update * @param soneRescueMode * {@code true} if the stored Sone should be updated regardless * of the age of the given Sone */ public void updateSone(Sone sone, boolean soneRescueMode) { Optional<Sone> storedSone = getSone(sone.getId()); if (storedSone.isPresent()) { if (!soneRescueMode && !(sone.getTime() > storedSone.get().getTime())) { logger.log(Level.FINE, String.format("Downloaded Sone %s is not newer than stored Sone %s.", sone, storedSone)); return; } /* find removed posts. */ Collection<Post> existingPosts = database.getPosts(sone.getId()); for (Post oldPost : existingPosts) { if (!sone.getPosts().contains(oldPost)) { eventBus.post(new PostRemovedEvent(oldPost)); } } /* find new posts. */ for (Post newPost : sone.getPosts()) { if (existingPosts.contains(newPost)) { continue; } if (newPost.getTime() < getSoneFollowingTime(sone)) { newPost.setKnown(true); } else if (!newPost.isKnown()) { eventBus.post(new NewPostFoundEvent(newPost)); } } /* store posts. */ database.storePosts(sone, sone.getPosts()); if (!soneRescueMode) { for (PostReply reply : storedSone.get().getReplies()) { if (!sone.getReplies().contains(reply)) { eventBus.post(new PostReplyRemovedEvent(reply)); } } } Set<PostReply> storedReplies = storedSone.get().getReplies(); for (PostReply reply : sone.getReplies()) { if (storedReplies.contains(reply)) { continue; } if (reply.getTime() < getSoneFollowingTime(sone)) { reply.setKnown(true); } else if (!reply.isKnown()) { eventBus.post(new NewPostReplyFoundEvent(reply)); } } database.storePostReplies(sone, sone.getReplies()); for (Album album : storedSone.get().getRootAlbum().getAlbums()) { database.removeAlbum(album); for (Image image : album.getImages()) { database.removeImage(image); } } for (Album album : sone.getRootAlbum().getAlbums()) { database.storeAlbum(album); for (Image image : album.getImages()) { database.storeImage(image); } } synchronized (sones) { sone.setOptions(storedSone.get().getOptions()); sone.setKnown(storedSone.get().isKnown()); sone.setStatus((sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle); if (sone.isLocal()) { soneInserters.get(storedSone.get()).setSone(sone); touchConfiguration(); } sones.put(sone.getId(), sone); } } } /** * Deletes the given Sone. This will remove the Sone from the * {@link #getLocalSones() local Sones}, stop its {@link SoneInserter} and * remove the context from its identity. * * @param sone * The Sone to delete */ public void deleteSone(Sone sone) { if (!(sone.getIdentity() instanceof OwnIdentity)) { logger.log(Level.WARNING, String.format("Tried to delete Sone of non-own identity: %s", sone)); return; } synchronized (sones) { if (!getLocalSones().contains(sone)) { logger.log(Level.WARNING, String.format("Tried to delete non-local Sone: %s", sone)); return; } sones.remove(sone.getId()); SoneInserter soneInserter = soneInserters.remove(sone); soneInserter.stop(); } webOfTrustUpdater.removeContext((OwnIdentity) sone.getIdentity(), "Sone"); webOfTrustUpdater.removeProperty((OwnIdentity) sone.getIdentity(), "Sone.LatestEdition"); try { configuration.getLongValue("Sone/" + sone.getId() + "/Time").setValue(null); } catch (ConfigurationException ce1) { logger.log(Level.WARNING, "Could not remove Sone from configuration!", ce1); } } /** * Marks the given Sone as known. If the Sone was not {@link Post#isKnown() * known} before, a {@link MarkSoneKnownEvent} is fired. * * @param sone * The Sone to mark as known */ public void markSoneKnown(Sone sone) { if (!sone.isKnown()) { sone.setKnown(true); synchronized (knownSones) { knownSones.add(sone.getId()); } eventBus.post(new MarkSoneKnownEvent(sone)); touchConfiguration(); } } /** * Loads and updates the given Sone from the configuration. If any error is * encountered, loading is aborted and the given Sone is not changed. * * @param sone * The Sone to load and update */ public void loadSone(Sone sone) { if (!sone.isLocal()) { logger.log(Level.FINE, String.format("Tried to load non-local Sone: %s", sone)); return; } logger.info(String.format("Loading local Sone: %s", sone)); /* initialize options. */ sone.getOptions().addBooleanOption("AutoFollow", new DefaultOption<Boolean>(false)); sone.getOptions().addBooleanOption("EnableSoneInsertNotifications", new DefaultOption<Boolean>(false)); sone.getOptions().addBooleanOption("ShowNotification/NewSones", new DefaultOption<Boolean>(true)); sone.getOptions().addBooleanOption("ShowNotification/NewPosts", new DefaultOption<Boolean>(true)); sone.getOptions().addBooleanOption("ShowNotification/NewReplies", new DefaultOption<Boolean>(true)); sone.getOptions().addEnumOption("ShowCustomAvatars", new DefaultOption<ShowCustomAvatars>(ShowCustomAvatars.NEVER)); /* load Sone. */ String sonePrefix = "Sone/" + sone.getId(); Long soneTime = configuration.getLongValue(sonePrefix + "/Time").getValue(null); if (soneTime == null) { logger.log(Level.INFO, "Could not load Sone because no Sone has been saved."); return; } String lastInsertFingerprint = configuration.getStringValue(sonePrefix + "/LastInsertFingerprint") .getValue(""); /* load profile. */ Profile profile = new Profile(sone); profile.setFirstName(configuration.getStringValue(sonePrefix + "/Profile/FirstName").getValue(null)); profile.setMiddleName(configuration.getStringValue(sonePrefix + "/Profile/MiddleName").getValue(null)); profile.setLastName(configuration.getStringValue(sonePrefix + "/Profile/LastName").getValue(null)); profile.setBirthDay(configuration.getIntValue(sonePrefix + "/Profile/BirthDay").getValue(null)); profile.setBirthMonth(configuration.getIntValue(sonePrefix + "/Profile/BirthMonth").getValue(null)); profile.setBirthYear(configuration.getIntValue(sonePrefix + "/Profile/BirthYear").getValue(null)); /* load profile fields. */ while (true) { String fieldPrefix = sonePrefix + "/Profile/Fields/" + profile.getFields().size(); String fieldName = configuration.getStringValue(fieldPrefix + "/Name").getValue(null); if (fieldName == null) { break; } String fieldValue = configuration.getStringValue(fieldPrefix + "/Value").getValue(""); profile.addField(fieldName).setValue(fieldValue); } /* load posts. */ Set<Post> posts = new HashSet<Post>(); while (true) { String postPrefix = sonePrefix + "/Posts/" + posts.size(); String postId = configuration.getStringValue(postPrefix + "/ID").getValue(null); if (postId == null) { break; } String postRecipientId = configuration.getStringValue(postPrefix + "/Recipient").getValue(null); long postTime = configuration.getLongValue(postPrefix + "/Time").getValue((long) 0); String postText = configuration.getStringValue(postPrefix + "/Text").getValue(null); if ((postTime == 0) || (postText == null)) { logger.log(Level.WARNING, "Invalid post found, aborting load!"); return; } PostBuilder postBuilder = postBuilder().withId(postId).from(sone.getId()).withTime(postTime) .withText(postText); if ((postRecipientId != null) && (postRecipientId.length() == 43)) { postBuilder.to(postRecipientId); } posts.add(postBuilder.build()); } /* load replies. */ Set<PostReply> replies = new HashSet<PostReply>(); while (true) { String replyPrefix = sonePrefix + "/Replies/" + replies.size(); String replyId = configuration.getStringValue(replyPrefix + "/ID").getValue(null); if (replyId == null) { break; } String postId = configuration.getStringValue(replyPrefix + "/Post/ID").getValue(null); long replyTime = configuration.getLongValue(replyPrefix + "/Time").getValue((long) 0); String replyText = configuration.getStringValue(replyPrefix + "/Text").getValue(null); if ((postId == null) || (replyTime == 0) || (replyText == null)) { logger.log(Level.WARNING, "Invalid reply found, aborting load!"); return; } PostReplyBuilder postReplyBuilder = postReplyBuilder().withId(replyId).from(sone.getId()).to(postId) .withTime(replyTime).withText(replyText); replies.add(postReplyBuilder.build()); } /* load post likes. */ Set<String> likedPostIds = new HashSet<String>(); while (true) { String likedPostId = configuration .getStringValue(sonePrefix + "/Likes/Post/" + likedPostIds.size() + "/ID").getValue(null); if (likedPostId == null) { break; } likedPostIds.add(likedPostId); } /* load reply likes. */ Set<String> likedReplyIds = new HashSet<String>(); while (true) { String likedReplyId = configuration .getStringValue(sonePrefix + "/Likes/Reply/" + likedReplyIds.size() + "/ID").getValue(null); if (likedReplyId == null) { break; } likedReplyIds.add(likedReplyId); } /* load friends. */ Set<String> friends = new HashSet<String>(); while (true) { String friendId = configuration.getStringValue(sonePrefix + "/Friends/" + friends.size() + "/ID") .getValue(null); if (friendId == null) { break; } friends.add(friendId); } /* load albums. */ List<Album> topLevelAlbums = new ArrayList<Album>(); int albumCounter = 0; while (true) { String albumPrefix = sonePrefix + "/Albums/" + albumCounter++; String albumId = configuration.getStringValue(albumPrefix + "/ID").getValue(null); if (albumId == null) { break; } String albumTitle = configuration.getStringValue(albumPrefix + "/Title").getValue(null); String albumDescription = configuration.getStringValue(albumPrefix + "/Description").getValue(null); String albumParentId = configuration.getStringValue(albumPrefix + "/Parent").getValue(null); String albumImageId = configuration.getStringValue(albumPrefix + "/AlbumImage").getValue(null); if ((albumTitle == null) || (albumDescription == null)) { logger.log(Level.WARNING, "Invalid album found, aborting load!"); return; } Album album = getAlbum(albumId).setSone(sone).modify().setTitle(albumTitle) .setDescription(albumDescription).setAlbumImage(albumImageId).update(); if (albumParentId != null) { Album parentAlbum = getAlbum(albumParentId, false); if (parentAlbum == null) { logger.log(Level.WARNING, String.format("Invalid parent album ID: %s", albumParentId)); return; } parentAlbum.addAlbum(album); } else { if (!topLevelAlbums.contains(album)) { topLevelAlbums.add(album); } } } /* load images. */ int imageCounter = 0; while (true) { String imagePrefix = sonePrefix + "/Images/" + imageCounter++; String imageId = configuration.getStringValue(imagePrefix + "/ID").getValue(null); if (imageId == null) { break; } String albumId = configuration.getStringValue(imagePrefix + "/Album").getValue(null); String key = configuration.getStringValue(imagePrefix + "/Key").getValue(null); String title = configuration.getStringValue(imagePrefix + "/Title").getValue(null); String description = configuration.getStringValue(imagePrefix + "/Description").getValue(null); Long creationTime = configuration.getLongValue(imagePrefix + "/CreationTime").getValue(null); Integer width = configuration.getIntValue(imagePrefix + "/Width").getValue(null); Integer height = configuration.getIntValue(imagePrefix + "/Height").getValue(null); if ((albumId == null) || (key == null) || (title == null) || (description == null) || (creationTime == null) || (width == null) || (height == null)) { logger.log(Level.WARNING, "Invalid image found, aborting load!"); return; } Album album = getAlbum(albumId, false); if (album == null) { logger.log(Level.WARNING, "Invalid album image encountered, aborting load!"); return; } Image image = getImage(imageId).modify().setSone(sone).setCreationTime(creationTime).setKey(key) .setTitle(title).setDescription(description).setWidth(width).setHeight(height).update(); album.addImage(image); } /* load avatar. */ String avatarId = configuration.getStringValue(sonePrefix + "/Profile/Avatar").getValue(null); if (avatarId != null) { profile.setAvatar(getImage(avatarId, false)); } /* load options. */ sone.getOptions().getBooleanOption("AutoFollow") .set(configuration.getBooleanValue(sonePrefix + "/Options/AutoFollow").getValue(null)); sone.getOptions().getBooleanOption("EnableSoneInsertNotifications").set(configuration .getBooleanValue(sonePrefix + "/Options/EnableSoneInsertNotifications").getValue(null)); sone.getOptions().getBooleanOption("ShowNotification/NewSones").set( configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewSones").getValue(null)); sone.getOptions().getBooleanOption("ShowNotification/NewPosts").set( configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewPosts").getValue(null)); sone.getOptions().getBooleanOption("ShowNotification/NewReplies").set( configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewReplies").getValue(null)); sone.getOptions().<ShowCustomAvatars>getEnumOption("ShowCustomAvatars").set( ShowCustomAvatars.valueOf(configuration.getStringValue(sonePrefix + "/Options/ShowCustomAvatars") .getValue(ShowCustomAvatars.NEVER.name()))); /* if were still here, Sone was loaded successfully. */ synchronized (sone) { sone.setTime(soneTime); sone.setProfile(profile); sone.setPosts(posts); sone.setReplies(replies); sone.setLikePostIds(likedPostIds); sone.setLikeReplyIds(likedReplyIds); for (String friendId : friends) { followSone(sone, friendId); } for (Album album : sone.getRootAlbum().getAlbums()) { sone.getRootAlbum().removeAlbum(album); } for (Album album : topLevelAlbums) { sone.getRootAlbum().addAlbum(album); } soneInserters.get(sone).setLastInsertFingerprint(lastInsertFingerprint); } synchronized (knownSones) { for (String friend : friends) { knownSones.add(friend); } } database.storePosts(sone, posts); for (Post post : posts) { post.setKnown(true); } database.storePostReplies(sone, replies); for (PostReply reply : replies) { reply.setKnown(true); } logger.info(String.format("Sone loaded successfully: %s", sone)); } /** * Creates a new post. * * @param sone * The Sone that creates the post * @param text * The text of the post * @return The created post */ public Post createPost(Sone sone, String text) { return createPost(sone, System.currentTimeMillis(), text); } /** * Creates a new post. * * @param sone * The Sone that creates the post * @param time * The time of the post * @param text * The text of the post * @return The created post */ public Post createPost(Sone sone, long time, String text) { return createPost(sone, null, time, text); } /** * Creates a new post. * * @param sone * The Sone that creates the post * @param recipient * The recipient Sone, or {@code null} if this post does not have * a recipient * @param text * The text of the post * @return The created post */ public Post createPost(Sone sone, Optional<Sone> recipient, String text) { return createPost(sone, recipient, System.currentTimeMillis(), text); } /** * Creates a new post. * * @param sone * The Sone that creates the post * @param recipient * The recipient Sone, or {@code null} if this post does not have * a recipient * @param time * The time of the post * @param text * The text of the post * @return The created post */ public Post createPost(Sone sone, Optional<Sone> recipient, long time, String text) { checkNotNull(text, "text must not be null"); checkArgument(text.trim().length() > 0, "text must not be empty"); if (!sone.isLocal()) { logger.log(Level.FINE, String.format("Tried to create post for non-local Sone: %s", sone)); return null; } PostBuilder postBuilder = database.newPostBuilder(); postBuilder.from(sone.getId()).randomId().withTime(time).withText(text.trim()); if (recipient.isPresent()) { postBuilder.to(recipient.get().getId()); } final Post post = postBuilder.build(); database.storePost(post); eventBus.post(new NewPostFoundEvent(post)); sone.addPost(post); touchConfiguration(); localElementTicker.schedule(new Runnable() { /** * {@inheritDoc} */ @Override public void run() { markPostKnown(post); } }, 10, TimeUnit.SECONDS); return post; } /** * Deletes the given post. * * @param post * The post to delete */ public void deletePost(Post post) { if (!post.getSone().isLocal()) { logger.log(Level.WARNING, String.format("Tried to delete post of non-local Sone: %s", post.getSone())); return; } database.removePost(post); eventBus.post(new PostRemovedEvent(post)); markPostKnown(post); touchConfiguration(); } /** * Marks the given post as known, if it is currently not a known post * (according to {@link Post#isKnown()}). * * @param post * The post to mark as known */ public void markPostKnown(Post post) { post.setKnown(true); eventBus.post(new MarkPostKnownEvent(post)); touchConfiguration(); for (PostReply reply : getReplies(post.getId())) { markReplyKnown(reply); } } /** * Bookmarks the given post. * * @param post * The post to bookmark */ public void bookmark(Post post) { bookmarkPost(post.getId()); } /** * Bookmarks the post with the given ID. * * @param id * The ID of the post to bookmark */ public void bookmarkPost(String id) { synchronized (bookmarkedPosts) { bookmarkedPosts.add(id); } } /** * Removes the given post from the bookmarks. * * @param post * The post to unbookmark */ public void unbookmark(Post post) { unbookmarkPost(post.getId()); } /** * Removes the post with the given ID from the bookmarks. * * @param id * The ID of the post to unbookmark */ public void unbookmarkPost(String id) { synchronized (bookmarkedPosts) { bookmarkedPosts.remove(id); } } /** * Creates a new reply. * * @param sone * The Sone that creates the reply * @param post * The post that this reply refers to * @param text * The text of the reply * @return The created reply */ public PostReply createReply(Sone sone, Post post, String text) { checkNotNull(text, "text must not be null"); checkArgument(text.trim().length() > 0, "text must not be empty"); if (!sone.isLocal()) { logger.log(Level.FINE, String.format("Tried to create reply for non-local Sone: %s", sone)); return null; } PostReplyBuilder postReplyBuilder = postReplyBuilder(); postReplyBuilder.randomId().from(sone.getId()).to(post.getId()).currentTime().withText(text.trim()); final PostReply reply = postReplyBuilder.build(); database.storePostReply(reply); eventBus.post(new NewPostReplyFoundEvent(reply)); sone.addReply(reply); touchConfiguration(); localElementTicker.schedule(new Runnable() { /** * {@inheritDoc} */ @Override public void run() { markReplyKnown(reply); } }, 10, TimeUnit.SECONDS); return reply; } /** * Deletes the given reply. * * @param reply * The reply to delete */ public void deleteReply(PostReply reply) { Sone sone = reply.getSone(); if (!sone.isLocal()) { logger.log(Level.FINE, String.format("Tried to delete non-local reply: %s", reply)); return; } database.removePostReply(reply); markReplyKnown(reply); sone.removeReply(reply); touchConfiguration(); } /** * Marks the given reply as known, if it is currently not a known reply * (according to {@link Reply#isKnown()}). * * @param reply * The reply to mark as known */ public void markReplyKnown(PostReply reply) { boolean previouslyKnown = reply.isKnown(); reply.setKnown(true); eventBus.post(new MarkPostReplyKnownEvent(reply)); if (!previouslyKnown) { touchConfiguration(); } } /** * Creates a new top-level album for the given Sone. * * @param sone * The Sone to create the album for * @return The new album */ public Album createAlbum(Sone sone) { return createAlbum(sone, sone.getRootAlbum()); } /** * Creates a new album for the given Sone. * * @param sone * The Sone to create the album for * @param parent * The parent of the album (may be {@code null} to create a * top-level album) * @return The new album */ public Album createAlbum(Sone sone, Album parent) { Album album = database.newAlbumBuilder().randomId().build(); database.storeAlbum(album); album.setSone(sone); parent.addAlbum(album); return album; } /** * Deletes the given album. The owner of the album has to be a local Sone, * and the album has to be {@link Album#isEmpty() empty} to be deleted. * * @param album * The album to remove */ public void deleteAlbum(Album album) { checkNotNull(album, "album must not be null"); checkArgument(album.getSone().isLocal(), "albums Sone must be a local Sone"); if (!album.isEmpty()) { return; } album.getParent().removeAlbum(album); database.removeAlbum(album); touchConfiguration(); } /** * Creates a new image. * * @param sone * The Sone creating the image * @param album * The album the image will be inserted into * @param temporaryImage * The temporary image to create the image from * @return The newly created image */ public Image createImage(Sone sone, Album album, TemporaryImage temporaryImage) { checkNotNull(sone, "sone must not be null"); checkNotNull(album, "album must not be null"); checkNotNull(temporaryImage, "temporaryImage must not be null"); checkArgument(sone.isLocal(), "sone must be a local Sone"); checkArgument(sone.equals(album.getSone()), "album must belong to the given Sone"); Image image = database.newImageBuilder().withId(temporaryImage.getId()).build().modify().setSone(sone) .setCreationTime(System.currentTimeMillis()).update(); album.addImage(image); database.storeImage(image); imageInserter.insertImage(temporaryImage, image); return image; } /** * Deletes the given image. This method will also delete a matching * temporary image. * * @see #deleteTemporaryImage(TemporaryImage) * @param image * The image to delete */ public void deleteImage(Image image) { checkNotNull(image, "image must not be null"); checkArgument(image.getSone().isLocal(), "image must belong to a local Sone"); deleteTemporaryImage(image.getId()); image.getAlbum().removeImage(image); database.removeImage(image); touchConfiguration(); } /** * Creates a new temporary image. * * @param mimeType * The MIME type of the temporary image * @param imageData * The encoded data of the image * @return The temporary image */ public TemporaryImage createTemporaryImage(String mimeType, byte[] imageData) { TemporaryImage temporaryImage = new TemporaryImage(); temporaryImage.setMimeType(mimeType).setImageData(imageData); synchronized (temporaryImages) { temporaryImages.put(temporaryImage.getId(), temporaryImage); } return temporaryImage; } /** * Deletes the given temporary image. * * @param temporaryImage * The temporary image to delete */ public void deleteTemporaryImage(TemporaryImage temporaryImage) { checkNotNull(temporaryImage, "temporaryImage must not be null"); deleteTemporaryImage(temporaryImage.getId()); } /** * Deletes the temporary image with the given ID. * * @param imageId * The ID of the temporary image to delete */ public void deleteTemporaryImage(String imageId) { checkNotNull(imageId, "imageId must not be null"); synchronized (temporaryImages) { temporaryImages.remove(imageId); } Image image = getImage(imageId, false); if (image != null) { imageInserter.cancelImageInsert(image); } } /** * Notifies the core that the configuration, either of the core or of a * single local Sone, has changed, and that the configuration should be * saved. */ public void touchConfiguration() { lastConfigurationUpdate = System.currentTimeMillis(); } // // SERVICE METHODS // /** * Starts the core. */ @Override public void serviceStart() { loadConfiguration(); updateChecker.start(); identityManager.start(); webOfTrustUpdater.init(); webOfTrustUpdater.start(); database.start(); } /** * {@inheritDoc} */ @Override public void serviceRun() { long lastSaved = System.currentTimeMillis(); while (!shouldStop()) { sleep(1000); long now = System.currentTimeMillis(); if (shouldStop() || ((lastConfigurationUpdate > lastSaved) && ((now - lastConfigurationUpdate) > 5000))) { for (Sone localSone : getLocalSones()) { saveSone(localSone); } saveConfiguration(); lastSaved = now; } } } /** * Stops the core. */ @Override public void serviceStop() { localElementTicker.shutdownNow(); synchronized (sones) { for (Entry<Sone, SoneInserter> soneInserter : soneInserters.entrySet()) { soneInserter.getValue().stop(); saveSone(getLocalSone(soneInserter.getKey().getId(), false)); } } saveConfiguration(); database.stop(); webOfTrustUpdater.stop(); updateChecker.stop(); soneDownloader.stop(); soneDownloaders.shutdown(); identityManager.stop(); } // // PRIVATE METHODS // /** * Saves the given Sone. This will persist all local settings for the given * Sone, such as the friends list and similar, private options. * * @param sone * The Sone to save */ private synchronized void saveSone(Sone sone) { if (!sone.isLocal()) { logger.log(Level.FINE, String.format("Tried to save non-local Sone: %s", sone)); return; } if (!(sone.getIdentity() instanceof OwnIdentity)) { logger.log(Level.WARNING, String.format("Local Sone without OwnIdentity found, refusing to save: %s", sone)); return; } logger.log(Level.INFO, String.format("Saving Sone: %s", sone)); try { /* save Sone into configuration. */ String sonePrefix = "Sone/" + sone.getId(); configuration.getLongValue(sonePrefix + "/Time").setValue(sone.getTime()); configuration.getStringValue(sonePrefix + "/LastInsertFingerprint") .setValue(soneInserters.get(sone).getLastInsertFingerprint()); /* save profile. */ Profile profile = sone.getProfile(); configuration.getStringValue(sonePrefix + "/Profile/FirstName").setValue(profile.getFirstName()); configuration.getStringValue(sonePrefix + "/Profile/MiddleName").setValue(profile.getMiddleName()); configuration.getStringValue(sonePrefix + "/Profile/LastName").setValue(profile.getLastName()); configuration.getIntValue(sonePrefix + "/Profile/BirthDay").setValue(profile.getBirthDay()); configuration.getIntValue(sonePrefix + "/Profile/BirthMonth").setValue(profile.getBirthMonth()); configuration.getIntValue(sonePrefix + "/Profile/BirthYear").setValue(profile.getBirthYear()); configuration.getStringValue(sonePrefix + "/Profile/Avatar").setValue(profile.getAvatar()); /* save profile fields. */ int fieldCounter = 0; for (Field profileField : profile.getFields()) { String fieldPrefix = sonePrefix + "/Profile/Fields/" + fieldCounter++; configuration.getStringValue(fieldPrefix + "/Name").setValue(profileField.getName()); configuration.getStringValue(fieldPrefix + "/Value").setValue(profileField.getValue()); } configuration.getStringValue(sonePrefix + "/Profile/Fields/" + fieldCounter + "/Name").setValue(null); /* save posts. */ int postCounter = 0; for (Post post : sone.getPosts()) { String postPrefix = sonePrefix + "/Posts/" + postCounter++; configuration.getStringValue(postPrefix + "/ID").setValue(post.getId()); configuration.getStringValue(postPrefix + "/Recipient").setValue(post.getRecipientId().orNull()); configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime()); configuration.getStringValue(postPrefix + "/Text").setValue(post.getText()); } configuration.getStringValue(sonePrefix + "/Posts/" + postCounter + "/ID").setValue(null); /* save replies. */ int replyCounter = 0; for (PostReply reply : sone.getReplies()) { String replyPrefix = sonePrefix + "/Replies/" + replyCounter++; configuration.getStringValue(replyPrefix + "/ID").setValue(reply.getId()); configuration.getStringValue(replyPrefix + "/Post/ID").setValue(reply.getPostId()); configuration.getLongValue(replyPrefix + "/Time").setValue(reply.getTime()); configuration.getStringValue(replyPrefix + "/Text").setValue(reply.getText()); } configuration.getStringValue(sonePrefix + "/Replies/" + replyCounter + "/ID").setValue(null); /* save post likes. */ int postLikeCounter = 0; for (String postId : sone.getLikedPostIds()) { configuration.getStringValue(sonePrefix + "/Likes/Post/" + postLikeCounter++ + "/ID") .setValue(postId); } configuration.getStringValue(sonePrefix + "/Likes/Post/" + postLikeCounter + "/ID").setValue(null); /* save reply likes. */ int replyLikeCounter = 0; for (String replyId : sone.getLikedReplyIds()) { configuration.getStringValue(sonePrefix + "/Likes/Reply/" + replyLikeCounter++ + "/ID") .setValue(replyId); } configuration.getStringValue(sonePrefix + "/Likes/Reply/" + replyLikeCounter + "/ID").setValue(null); /* save friends. */ int friendCounter = 0; for (String friendId : sone.getFriends()) { configuration.getStringValue(sonePrefix + "/Friends/" + friendCounter++ + "/ID").setValue(friendId); } configuration.getStringValue(sonePrefix + "/Friends/" + friendCounter + "/ID").setValue(null); /* save albums. first, collect in a flat structure, top-level first. */ List<Album> albums = FluentIterable.from(sone.getRootAlbum().getAlbums()) .transformAndConcat(Album.FLATTENER).toList(); int albumCounter = 0; for (Album album : albums) { String albumPrefix = sonePrefix + "/Albums/" + albumCounter++; configuration.getStringValue(albumPrefix + "/ID").setValue(album.getId()); configuration.getStringValue(albumPrefix + "/Title").setValue(album.getTitle()); configuration.getStringValue(albumPrefix + "/Description").setValue(album.getDescription()); configuration.getStringValue(albumPrefix + "/Parent") .setValue(album.getParent().equals(sone.getRootAlbum()) ? null : album.getParent().getId()); configuration.getStringValue(albumPrefix + "/AlbumImage") .setValue(album.getAlbumImage() == null ? null : album.getAlbumImage().getId()); } configuration.getStringValue(sonePrefix + "/Albums/" + albumCounter + "/ID").setValue(null); /* save images. */ int imageCounter = 0; for (Album album : albums) { for (Image image : album.getImages()) { if (!image.isInserted()) { continue; } String imagePrefix = sonePrefix + "/Images/" + imageCounter++; configuration.getStringValue(imagePrefix + "/ID").setValue(image.getId()); configuration.getStringValue(imagePrefix + "/Album").setValue(album.getId()); configuration.getStringValue(imagePrefix + "/Key").setValue(image.getKey()); configuration.getStringValue(imagePrefix + "/Title").setValue(image.getTitle()); configuration.getStringValue(imagePrefix + "/Description").setValue(image.getDescription()); configuration.getLongValue(imagePrefix + "/CreationTime").setValue(image.getCreationTime()); configuration.getIntValue(imagePrefix + "/Width").setValue(image.getWidth()); configuration.getIntValue(imagePrefix + "/Height").setValue(image.getHeight()); } } configuration.getStringValue(sonePrefix + "/Images/" + imageCounter + "/ID").setValue(null); /* save options. */ configuration.getBooleanValue(sonePrefix + "/Options/AutoFollow") .setValue(sone.getOptions().getBooleanOption("AutoFollow").getReal()); configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewSones") .setValue(sone.getOptions().getBooleanOption("ShowNotification/NewSones").getReal()); configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewPosts") .setValue(sone.getOptions().getBooleanOption("ShowNotification/NewPosts").getReal()); configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewReplies") .setValue(sone.getOptions().getBooleanOption("ShowNotification/NewReplies").getReal()); configuration.getBooleanValue(sonePrefix + "/Options/EnableSoneInsertNotifications") .setValue(sone.getOptions().getBooleanOption("EnableSoneInsertNotifications").getReal()); configuration.getStringValue(sonePrefix + "/Options/ShowCustomAvatars") .setValue(sone.getOptions().<ShowCustomAvatars>getEnumOption("ShowCustomAvatars").get().name()); configuration.save(); webOfTrustUpdater.setProperty((OwnIdentity) sone.getIdentity(), "Sone.LatestEdition", String.valueOf(sone.getLatestEdition())); logger.log(Level.INFO, String.format("Sone %s saved.", sone)); } catch (ConfigurationException ce1) { logger.log(Level.WARNING, String.format("Could not save Sone: %s", sone), ce1); } } /** * Saves the current options. */ private void saveConfiguration() { synchronized (configuration) { if (storingConfiguration) { logger.log(Level.FINE, "Already storing configuration"); return; } storingConfiguration = true; } /* store the options first. */ try { configuration.getIntValue("Option/ConfigurationVersion").setValue(0); configuration.getIntValue("Option/InsertionDelay") .setValue(options.getIntegerOption("InsertionDelay").getReal()); configuration.getIntValue("Option/PostsPerPage") .setValue(options.getIntegerOption("PostsPerPage").getReal()); configuration.getIntValue("Option/ImagesPerPage") .setValue(options.getIntegerOption("ImagesPerPage").getReal()); configuration.getIntValue("Option/CharactersPerPost") .setValue(options.getIntegerOption("CharactersPerPost").getReal()); configuration.getIntValue("Option/PostCutOffLength") .setValue(options.getIntegerOption("PostCutOffLength").getReal()); configuration.getBooleanValue("Option/RequireFullAccess") .setValue(options.getBooleanOption("RequireFullAccess").getReal()); configuration.getIntValue("Option/PositiveTrust") .setValue(options.getIntegerOption("PositiveTrust").getReal()); configuration.getIntValue("Option/NegativeTrust") .setValue(options.getIntegerOption("NegativeTrust").getReal()); configuration.getStringValue("Option/TrustComment") .setValue(options.getStringOption("TrustComment").getReal()); configuration.getBooleanValue("Option/ActivateFcpInterface") .setValue(options.getBooleanOption("ActivateFcpInterface").getReal()); configuration.getIntValue("Option/FcpFullAccessRequired") .setValue(options.getIntegerOption("FcpFullAccessRequired").getReal()); /* save known Sones. */ int soneCounter = 0; synchronized (knownSones) { for (String knownSoneId : knownSones) { configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").setValue(knownSoneId); } configuration.getStringValue("KnownSone/" + soneCounter + "/ID").setValue(null); } /* save Sone following times. */ soneCounter = 0; synchronized (soneFollowingTimes) { for (Entry<String, Long> soneFollowingTime : soneFollowingTimes.entrySet()) { configuration.getStringValue("SoneFollowingTimes/" + soneCounter + "/Sone") .setValue(soneFollowingTime.getKey()); configuration.getLongValue("SoneFollowingTimes/" + soneCounter + "/Time") .setValue(soneFollowingTime.getValue()); ++soneCounter; } configuration.getStringValue("SoneFollowingTimes/" + soneCounter + "/Sone").setValue(null); } /* save known posts. */ database.save(); /* save bookmarked posts. */ int bookmarkedPostCounter = 0; synchronized (bookmarkedPosts) { for (String bookmarkedPostId : bookmarkedPosts) { configuration.getStringValue("Bookmarks/Post/" + bookmarkedPostCounter++ + "/ID") .setValue(bookmarkedPostId); } } configuration.getStringValue("Bookmarks/Post/" + bookmarkedPostCounter++ + "/ID").setValue(null); /* now save it. */ configuration.save(); } catch (ConfigurationException ce1) { logger.log(Level.SEVERE, "Could not store configuration!", ce1); } catch (DatabaseException de1) { logger.log(Level.SEVERE, "Could not save database!", de1); } finally { synchronized (configuration) { storingConfiguration = false; } } } /** * Loads the configuration. */ private void loadConfiguration() { /* create options. */ options.addIntegerOption("InsertionDelay", new DefaultOption<Integer>(60, new IntegerRangePredicate(0, Integer.MAX_VALUE), new OptionWatcher<Integer>() { @Override public void optionChanged(Option<Integer> option, Integer oldValue, Integer newValue) { SoneInserter.setInsertionDelay(newValue); } })); options.addIntegerOption("PostsPerPage", new DefaultOption<Integer>(10, new IntegerRangePredicate(1, Integer.MAX_VALUE))); options.addIntegerOption("ImagesPerPage", new DefaultOption<Integer>(9, new IntegerRangePredicate(1, Integer.MAX_VALUE))); options.addIntegerOption("CharactersPerPost", new DefaultOption<Integer>(400, Predicates.<Integer>or(new IntegerRangePredicate(50, Integer.MAX_VALUE), Predicates.equalTo(-1)))); options.addIntegerOption("PostCutOffLength", new DefaultOption<Integer>(200, Predicates.<Integer>or(new IntegerRangePredicate(50, Integer.MAX_VALUE), Predicates.equalTo(-1)))); options.addBooleanOption("RequireFullAccess", new DefaultOption<Boolean>(false)); options.addIntegerOption("PositiveTrust", new DefaultOption<Integer>(75, new IntegerRangePredicate(0, 100))); options.addIntegerOption("NegativeTrust", new DefaultOption<Integer>(-25, new IntegerRangePredicate(-100, 100))); options.addStringOption("TrustComment", new DefaultOption<String>("Set from Sone Web Interface")); options.addBooleanOption("ActivateFcpInterface", new DefaultOption<Boolean>(false, new OptionWatcher<Boolean>() { @Override @SuppressWarnings("synthetic-access") public void optionChanged(Option<Boolean> option, Boolean oldValue, Boolean newValue) { fcpInterface.setActive(newValue); } })); options.addIntegerOption("FcpFullAccessRequired", new DefaultOption<Integer>(2, new OptionWatcher<Integer>() { @Override @SuppressWarnings("synthetic-access") public void optionChanged(Option<Integer> option, Integer oldValue, Integer newValue) { fcpInterface.setFullAccessRequired(FullAccessRequired.values()[newValue]); } })); loadConfigurationValue("InsertionDelay"); loadConfigurationValue("PostsPerPage"); loadConfigurationValue("ImagesPerPage"); loadConfigurationValue("CharactersPerPost"); loadConfigurationValue("PostCutOffLength"); options.getBooleanOption("RequireFullAccess") .set(configuration.getBooleanValue("Option/RequireFullAccess").getValue(null)); loadConfigurationValue("PositiveTrust"); loadConfigurationValue("NegativeTrust"); options.getStringOption("TrustComment") .set(configuration.getStringValue("Option/TrustComment").getValue(null)); options.getBooleanOption("ActivateFcpInterface") .set(configuration.getBooleanValue("Option/ActivateFcpInterface").getValue(null)); options.getIntegerOption("FcpFullAccessRequired") .set(configuration.getIntValue("Option/FcpFullAccessRequired").getValue(null)); /* load known Sones. */ int soneCounter = 0; while (true) { String knownSoneId = configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").getValue(null); if (knownSoneId == null) { break; } synchronized (knownSones) { knownSones.add(knownSoneId); } } /* load Sone following times. */ soneCounter = 0; while (true) { String soneId = configuration.getStringValue("SoneFollowingTimes/" + soneCounter + "/Sone") .getValue(null); if (soneId == null) { break; } long time = configuration.getLongValue("SoneFollowingTimes/" + soneCounter + "/Time") .getValue(Long.MAX_VALUE); synchronized (soneFollowingTimes) { soneFollowingTimes.put(soneId, time); } ++soneCounter; } /* load bookmarked posts. */ int bookmarkedPostCounter = 0; while (true) { String bookmarkedPostId = configuration .getStringValue("Bookmarks/Post/" + bookmarkedPostCounter++ + "/ID").getValue(null); if (bookmarkedPostId == null) { break; } synchronized (bookmarkedPosts) { bookmarkedPosts.add(bookmarkedPostId); } } } /** * Loads an {@link Integer} configuration value for the option with the * given name, logging validation failures. * * @param optionName * The name of the option to load */ private void loadConfigurationValue(String optionName) { try { options.getIntegerOption(optionName) .set(configuration.getIntValue("Option/" + optionName).getValue(null)); } catch (IllegalArgumentException iae1) { logger.log(Level.WARNING, String.format("Invalid value for %s in configuration, using default.", optionName)); } } /** * Notifies the core that a new {@link OwnIdentity} was added. * * @param ownIdentityAddedEvent * The event */ @Subscribe public void ownIdentityAdded(OwnIdentityAddedEvent ownIdentityAddedEvent) { OwnIdentity ownIdentity = ownIdentityAddedEvent.ownIdentity(); logger.log(Level.FINEST, String.format("Adding OwnIdentity: %s", ownIdentity)); if (ownIdentity.hasContext("Sone")) { addLocalSone(ownIdentity); } } /** * Notifies the core that an {@link OwnIdentity} was removed. * * @param ownIdentityRemovedEvent * The event */ @Subscribe public void ownIdentityRemoved(OwnIdentityRemovedEvent ownIdentityRemovedEvent) { OwnIdentity ownIdentity = ownIdentityRemovedEvent.ownIdentity(); logger.log(Level.FINEST, String.format("Removing OwnIdentity: %s", ownIdentity)); trustedIdentities.removeAll(ownIdentity); } /** * Notifies the core that a new {@link Identity} was added. * * @param identityAddedEvent * The event */ @Subscribe public void identityAdded(IdentityAddedEvent identityAddedEvent) { Identity identity = identityAddedEvent.identity(); logger.log(Level.FINEST, String.format("Adding Identity: %s", identity)); trustedIdentities.put(identityAddedEvent.ownIdentity(), identity); addRemoteSone(identity); } /** * Notifies the core that an {@link Identity} was updated. * * @param identityUpdatedEvent * The event */ @Subscribe public void identityUpdated(IdentityUpdatedEvent identityUpdatedEvent) { final Identity identity = identityUpdatedEvent.identity(); soneDownloaders.execute(new Runnable() { @Override @SuppressWarnings("synthetic-access") public void run() { Sone sone = getRemoteSone(identity.getId(), false); if (sone.isLocal()) { return; } sone.setIdentity(identity); sone.setLatestEdition( Numbers.safeParseLong(identity.getProperty("Sone.LatestEdition"), sone.getLatestEdition())); soneDownloader.addSone(sone); soneDownloader.fetchSone(sone); } }); } /** * Notifies the core that an {@link Identity} was removed. * * @param identityRemovedEvent * The event */ @Subscribe public void identityRemoved(IdentityRemovedEvent identityRemovedEvent) { OwnIdentity ownIdentity = identityRemovedEvent.ownIdentity(); Identity identity = identityRemovedEvent.identity(); trustedIdentities.remove(ownIdentity, identity); boolean foundIdentity = false; for (Entry<OwnIdentity, Collection<Identity>> trustedIdentity : trustedIdentities.asMap().entrySet()) { if (trustedIdentity.getKey().equals(ownIdentity)) { continue; } if (trustedIdentity.getValue().contains(identity)) { foundIdentity = true; } } if (foundIdentity) { /* some local identity still trusts this identity, dont remove. */ return; } Optional<Sone> sone = getSone(identity.getId()); if (!sone.isPresent()) { /* TODO - we dont have the Sone anymore. should this happen? */ return; } database.removePosts(sone.get()); for (Post post : sone.get().getPosts()) { eventBus.post(new PostRemovedEvent(post)); } database.removePostReplies(sone.get()); for (PostReply reply : sone.get().getReplies()) { eventBus.post(new PostReplyRemovedEvent(reply)); } synchronized (sones) { sones.remove(identity.getId()); } eventBus.post(new SoneRemovedEvent(sone.get())); } /** * Deletes the temporary image. * * @param imageInsertFinishedEvent * The event */ @Subscribe public void imageInsertFinished(ImageInsertFinishedEvent imageInsertFinishedEvent) { logger.log(Level.WARNING, String.format("Image insert finished for %s: %s", imageInsertFinishedEvent.image(), imageInsertFinishedEvent.resultingUri())); imageInsertFinishedEvent.image().modify().setKey(imageInsertFinishedEvent.resultingUri().toString()) .update(); deleteTemporaryImage(imageInsertFinishedEvent.image().getId()); touchConfiguration(); } }