/*
* Sone - Core.java - Copyright © 2010–2016 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.Optional.fromNullable;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.primitives.Longs.tryParse;
import static java.lang.String.format;
import static java.util.logging.Level.WARNING;
import static java.util.logging.Logger.getLogger;
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.ConfigurationSoneParser.InvalidAlbumFound;
import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidImageFound;
import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidParentAlbumFound;
import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidPostFound;
import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidPostReplyFound;
import net.pterodactylus.sone.core.SoneChangeDetector.PostProcessor;
import net.pterodactylus.sone.core.SoneChangeDetector.PostReplyProcessor;
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.TemporaryImage;
import net.pterodactylus.sone.database.AlbumBuilder;
import net.pterodactylus.sone.database.Database;
import net.pterodactylus.sone.database.DatabaseException;
import net.pterodactylus.sone.database.ImageBuilder;
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.SoneBuilder;
import net.pterodactylus.sone.database.SoneProvider;
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.util.config.Configuration;
import net.pterodactylus.util.config.ConfigurationException;
import net.pterodactylus.util.service.AbstractService;
import net.pterodactylus.util.thread.NamedThreadFactory;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.HashMultimap;
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 com.google.inject.Singleton;
/**
* The Sone core.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
@Singleton
public class Core extends AbstractService implements SoneProvider, PostProvider, PostReplyProvider {
/** The logger. */
private static final Logger logger = getLogger(Core.class.getName());
/** The start time. */
private final long startupTime = System.currentTimeMillis();
/** The preferences. */
private final Preferences preferences;
/** The event bus. */
private final EventBus eventBus;
/** The configuration. */
private final Configuration configuration;
/** Whether we’re 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 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 known Sones. */
private final Set<String> knownSones = new HashSet<String>();
/** The post database. */
private final Database database;
/** 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, UpdateChecker updateChecker, WebOfTrustUpdater webOfTrustUpdater, EventBus eventBus, Database database) {
super("Sone Core");
this.configuration = configuration;
this.freenetInterface = freenetInterface;
this.identityManager = identityManager;
this.soneDownloader = new SoneDownloaderImpl(this, freenetInterface);
this.imageInserter = new ImageInserter(freenetInterface, freenetInterface.new InsertTokenSupplier());
this.updateChecker = updateChecker;
this.webOfTrustUpdater = webOfTrustUpdater;
this.eventBus = eventBus;
this.database = database;
preferences = new Preferences(eventBus);
}
@VisibleForTesting
protected Core(Configuration configuration, FreenetInterface freenetInterface, IdentityManager identityManager, SoneDownloader soneDownloader, ImageInserter imageInserter, UpdateChecker updateChecker, WebOfTrustUpdater webOfTrustUpdater, EventBus eventBus, Database database) {
super("Sone Core");
this.configuration = configuration;
this.freenetInterface = freenetInterface;
this.identityManager = identityManager;
this.soneDownloader = soneDownloader;
this.imageInserter = imageInserter;
this.updateChecker = updateChecker;
this.webOfTrustUpdater = webOfTrustUpdater;
this.eventBus = eventBus;
this.database = database;
preferences = new Preferences(eventBus);
}
//
// ACCESSORS
//
/**
* Returns the time Sone was started.
*
* @return The startup time (in milliseconds since Jan 1, 1970 UTC)
*/
public long getStartupTime() {
return startupTime;
}
/**
* 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;
}
/**
* 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 (soneRescuers) {
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);
}
}
public SoneBuilder soneBuilder() {
return database.newSoneBuilder();
}
/**
* {@inheritDocs}
*/
@Override
public Collection<Sone> getSones() {
return database.getSones();
}
@Override
public Function<String, Optional<Sone>> soneLoader() {
return database.soneLoader();
}
/**
* Returns the Sone with the given ID, regardless whether it’s 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) {
return database.getSone(id);
}
/**
* {@inheritDocs}
*/
@Override
public Collection<Sone> getLocalSones() {
return database.getLocalSones();
}
/**
* Returns the local Sone with the given ID, optionally creating a new Sone.
*
* @param id
* The ID of the Sone
* @return The Sone with the given ID, or {@code null}
*/
public Sone getLocalSone(String id) {
Optional<Sone> sone = database.getSone(id);
if (sone.isPresent() && sone.get().isLocal()) {
return sone.get();
}
return null;
}
/**
* {@inheritDocs}
*/
@Override
public Collection<Sone> getRemoteSones() {
return database.getRemoteSones();
}
/**
* Returns the remote Sone with the given ID.
*
*
* @param id
* The ID of the remote Sone to get
* @return The Sone with the given ID
*/
public Sone getRemoteSone(String id) {
return database.getSone(id).orNull();
}
/**
* 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();
}
/**
* 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 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 database.isPostBookmarked(post);
}
/**
* Returns all currently known bookmarked posts.
*
* @return All bookmarked posts
*/
public Set<Post> getBookmarkedPosts() {
return database.getBookmarkedPosts();
}
public AlbumBuilder albumBuilder() {
return database.newAlbumBuilder();
}
/**
* 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
* @return The album with the given ID, or {@code null} if no album with the
* given ID exists
*/
public Album getAlbum(String albumId) {
return database.getAlbum(albumId).orNull();
}
public ImageBuilder imageBuilder() {
return database.newImageBuilder();
}
/**
* 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));
Sone sone = database.newSoneBuilder().local().from(ownIdentity).build();
String property = fromNullable(ownIdentity.getProperty("Sone.LatestEdition")).or("0");
sone.setLatestEdition(fromNullable(tryParse(property)).or(0L));
sone.setClient(new Client("Sone", SonePlugin.getPluginVersion()));
sone.setKnown(true);
SoneInserter soneInserter = new SoneInserter(this, eventBus, freenetInterface, ownIdentity.getId());
eventBus.register(soneInserter);
synchronized (soneInserters) {
soneInserters.put(sone, soneInserter);
}
loadSone(sone);
database.storeSone(sone);
sone.setStatus(SoneStatus.idle);
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);
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;
}
String property = fromNullable(identity.getProperty("Sone.LatestEdition")).or("0");
long latestEdition = fromNullable(tryParse(property)).or(0L);
Optional<Sone> existingSone = getSone(identity.getId());
if (existingSone.isPresent() && existingSone.get().isLocal()) {
return existingSone.get();
}
boolean newSone = !existingSone.isPresent();
Sone sone = !newSone ? existingSone.get() : database.newSoneBuilder().from(identity).build();
sone.setLatestEdition(latestEdition);
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().isAutoFollow()) {
followSone(localSone, sone.getId());
}
}
}
}
database.storeSone(sone);
soneDownloader.addSone(sone);
soneDownloaders.execute(soneDownloader.fetchSoneWithUriAction(sone));
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");
database.addFriend(sone, 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");
database.removeFriend(sone, 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(final 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;
}
List<Object> events =
collectEventsForChangesInSone(storedSone.get(), sone);
database.storeSone(sone);
for (Object event : events) {
eventBus.post(event);
}
sone.setOptions(storedSone.get().getOptions());
sone.setKnown(storedSone.get().isKnown());
sone.setStatus((sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
if (sone.isLocal()) {
touchConfiguration();
}
}
}
private List<Object> collectEventsForChangesInSone(Sone oldSone,
final Sone newSone) {
final List<Object> events = new ArrayList<Object>();
SoneChangeDetector soneChangeDetector = new SoneChangeDetector(
oldSone);
soneChangeDetector.onNewPosts(new PostProcessor() {
@Override
public void processPost(Post post) {
if (post.getTime() < getSoneFollowingTime(newSone)) {
post.setKnown(true);
} else if (!post.isKnown()) {
events.add(new NewPostFoundEvent(post));
}
}
});
soneChangeDetector.onRemovedPosts(new PostProcessor() {
@Override
public void processPost(Post post) {
events.add(new PostRemovedEvent(post));
}
});
soneChangeDetector.onNewPostReplies(new PostReplyProcessor() {
@Override
public void processPostReply(PostReply postReply) {
if (postReply.getTime() < getSoneFollowingTime(newSone)) {
postReply.setKnown(true);
} else if (!postReply.isKnown()) {
events.add(new NewPostReplyFoundEvent(postReply));
}
}
});
soneChangeDetector.onRemovedPostReplies(new PostReplyProcessor() {
@Override
public void processPostReply(PostReply postReply) {
events.add(new PostReplyRemovedEvent(postReply));
}
});
soneChangeDetector.detectChanges(newSone);
return events;
}
/**
* 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;
}
if (!getLocalSones().contains(sone)) {
logger.log(Level.WARNING, String.format("Tried to delete non-local Sone: %s", sone));
return;
}
SoneInserter soneInserter = soneInserters.remove(sone);
soneInserter.stop();
database.removeSone(sone);
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));
/* 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. */
ConfigurationSoneParser configurationSoneParser = new ConfigurationSoneParser(configuration, sone);
Profile profile = configurationSoneParser.parseProfile();
/* load posts. */
Collection<Post> posts;
try {
posts = configurationSoneParser.parsePosts(database);
} catch (InvalidPostFound ipf) {
logger.log(Level.WARNING, "Invalid post found, aborting load!");
return;
}
/* load replies. */
Collection<PostReply> replies;
try {
replies = configurationSoneParser.parsePostReplies(database);
} catch (InvalidPostReplyFound iprf) {
logger.log(Level.WARNING, "Invalid reply found, aborting load!");
return;
}
/* load post likes. */
Set<String> likedPostIds =
configurationSoneParser.parseLikedPostIds();
/* load reply likes. */
Set<String> likedReplyIds =
configurationSoneParser.parseLikedPostReplyIds();
/* load albums. */
List<Album> topLevelAlbums;
try {
topLevelAlbums =
configurationSoneParser.parseTopLevelAlbums(database);
} catch (InvalidAlbumFound iaf) {
logger.log(Level.WARNING, "Invalid album found, aborting load!");
return;
} catch (InvalidParentAlbumFound ipaf) {
logger.log(Level.WARNING, format("Invalid parent album ID: %s",
ipaf.getAlbumParentId()));
return;
}
/* load images. */
try {
configurationSoneParser.parseImages(database);
} catch (InvalidImageFound iif) {
logger.log(WARNING, "Invalid image found, aborting load!");
return;
} catch (InvalidParentAlbumFound ipaf) {
logger.log(Level.WARNING,
format("Invalid album image (%s) encountered, aborting load!",
ipaf.getAlbumParentId()));
return;
}
/* load avatar. */
String avatarId = configuration.getStringValue(sonePrefix + "/Profile/Avatar").getValue(null);
if (avatarId != null) {
final Map<String, Image> images =
configurationSoneParser.getImages();
profile.setAvatar(images.get(avatarId));
}
/* load options. */
sone.getOptions().setAutoFollow(configuration.getBooleanValue(sonePrefix + "/Options/AutoFollow").getValue(false));
sone.getOptions().setSoneInsertNotificationEnabled(configuration.getBooleanValue(sonePrefix + "/Options/EnableSoneInsertNotifications").getValue(false));
sone.getOptions().setShowNewSoneNotifications(configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewSones").getValue(true));
sone.getOptions().setShowNewPostNotifications(configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewPosts").getValue(true));
sone.getOptions().setShowNewReplyNotifications(configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewReplies").getValue(true));
sone.getOptions().setShowCustomAvatars(ShowCustomAvatars.valueOf(configuration.getStringValue(sonePrefix + "/Options/ShowCustomAvatars").getValue(ShowCustomAvatars.NEVER.name())));
/* if we’re 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 (Album album : sone.getRootAlbum().getAlbums()) {
sone.getRootAlbum().removeAlbum(album);
}
for (Album album : topLevelAlbums) {
sone.getRootAlbum().addAlbum(album);
}
synchronized (soneInserters) {
soneInserters.get(sone).setLastInsertFingerprint(lastInsertFingerprint);
}
}
for (Post post : posts) {
post.setKnown(true);
}
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 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) {
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().currentTime().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 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);
}
}
public void bookmarkPost(Post post) {
database.bookmarkPost(post);
}
/**
* Removes the given post from the bookmarks.
*
* @param post
* The post to unbookmark
*/
public void unbookmarkPost(Post post) {
database.unbookmarkPost(post);
}
/**
* 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 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 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().by(sone).build();
database.storeAlbum(album);
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(), "album’s 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(String)
* @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 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 (soneInserters) {
for (Entry<Sone, SoneInserter> soneInserter : soneInserters.entrySet()) {
soneInserter.getValue().stop();
saveSone(soneInserter.getKey());
}
}
synchronized (soneRescuers) {
for (SoneRescuer soneRescuer : soneRescuers.values()) {
soneRescuer.stop();
}
}
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 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(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().isAutoFollow());
configuration.getBooleanValue(sonePrefix + "/Options/EnableSoneInsertNotifications").setValue(sone.getOptions().isSoneInsertNotificationEnabled());
configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewSones").setValue(sone.getOptions().isShowNewSoneNotifications());
configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewPosts").setValue(sone.getOptions().isShowNewPostNotifications());
configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewReplies").setValue(sone.getOptions().isShowNewReplyNotifications());
configuration.getStringValue(sonePrefix + "/Options/ShowCustomAvatars").setValue(sone.getOptions().getShowCustomAvatars().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 {
preferences.saveTo(configuration);
/* 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();
/* 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() {
new PreferencesLoader(preferences).loadFrom(configuration);
/* 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;
}
}
/**
* 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) {
Identity identity = identityUpdatedEvent.identity();
final Sone sone = getRemoteSone(identity.getId());
if (sone.isLocal()) {
return;
}
sone.setLatestEdition(fromNullable(tryParse(identity.getProperty("Sone.LatestEdition"))).or(sone.getLatestEdition()));
soneDownloader.addSone(sone);
soneDownloaders.execute(soneDownloader.fetchSoneAction(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);
for (Entry<OwnIdentity, Collection<Identity>> trustedIdentity : trustedIdentities.asMap().entrySet()) {
if (trustedIdentity.getKey().equals(ownIdentity)) {
continue;
}
if (trustedIdentity.getValue().contains(identity)) {
return;
}
}
Optional<Sone> sone = getSone(identity.getId());
if (!sone.isPresent()) {
/* TODO - we don’t have the Sone anymore. should this happen? */
return;
}
for (PostReply postReply : sone.get().getReplies()) {
eventBus.post(new PostReplyRemovedEvent(postReply));
}
for (Post post : sone.get().getPosts()) {
eventBus.post(new PostRemovedEvent(post));
}
eventBus.post(new SoneRemovedEvent(sone.get()));
database.removeSone(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();
}
@VisibleForTesting
class MarkPostKnown implements Runnable {
private final Post post;
public MarkPostKnown(Post post) {
this.post = post;
}
@Override
public void run() {
markPostKnown(post);
}
}
@VisibleForTesting
class MarkReplyKnown implements Runnable {
private final PostReply postReply;
public MarkReplyKnown(PostReply postReply) {
this.postReply = postReply;
}
@Override
public void run() {
markReplyKnown(postReply);
}
}
}