+ * 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 followedSone = getSone(soneId, true);
+ if (followedSone == null) {
+ logger.log(Level.INFO, String.format("Ignored Sone with invalid ID: %s", soneId));
+ return;
+ }
+ followSone(sone, getSone(soneId));
+ }
+
+ /**
+ * Lets the given local Sone follow the other given Sone. If the given Sone
+ * was not followed by any local Sone before, this will mark all elements of
+ * the followed Sone as read that have been created before the current
+ * moment.
+ *
+ * @param sone
+ * The local Sone that should follow the other Sone
+ * @param followedSone
+ * The Sone that should be followed
+ */
+ public void followSone(Sone sone, Sone followedSone) {
+ checkNotNull(sone, "sone must not be null");
+ checkNotNull(followedSone, "followedSone must not be null");
+ sone.addFriend(followedSone.getId());
+ synchronized (soneFollowingTimes) {
+ if (!soneFollowingTimes.containsKey(followedSone)) {
+ long now = System.currentTimeMillis();
+ soneFollowingTimes.put(followedSone, now);
+ for (Post post : followedSone.getPosts()) {
+ if (post.getTime() < now) {
+ markPostKnown(post);
+ }
+ }
+ for (PostReply reply : followedSone.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");
+ unfollowSone(sone, getSone(soneId, false));
+ }
+
+ /**
+ * Lets the given local Sone unfollow the other given Sone. If the given
+ * local Sone is the last local Sone that followed the given Sone, its
+ * following time will be removed.
+ *
+ * @param sone
+ * The local Sone that should unfollow another Sone
+ * @param unfollowedSone
+ * The Sone being unfollowed
+ */
+ public void unfollowSone(Sone sone, Sone unfollowedSone) {
+ checkNotNull(sone, "sone must not be null");
+ checkNotNull(unfollowedSone, "unfollowedSone must not be null");
+ sone.removeFriend(unfollowedSone.getId());
+ boolean unfollowedSoneStillFollowed = false;
+ for (Sone localSone : getLocalSones()) {
+ unfollowedSoneStillFollowed |= localSone.hasFriend(unfollowedSone.getId());
+ }
+ if (!unfollowedSoneStillFollowed) {
+ synchronized (soneFollowingTimes) {
+ soneFollowingTimes.remove(unfollowedSone);
+ }
+ }
+ 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) {
+ if (hasSone(sone.getId())) {
+ Sone storedSone = getSone(sone.getId());
+ if (!soneRescueMode && !(sone.getTime() > storedSone.getTime())) {
+ logger.log(Level.FINE, String.format("Downloaded Sone %s is not newer than stored Sone %s.", sone, storedSone));
+ return;
+ }
+ synchronized (posts) {
+ if (!soneRescueMode) {
+ for (Post post : storedSone.getPosts()) {
+ posts.remove(post.getId());
+ if (!sone.getPosts().contains(post)) {
+ eventBus.post(new PostRemovedEvent(post));
+ }
+ }
+ }
+ List<Post> storedPosts = storedSone.getPosts();
+ synchronized (knownPosts) {