Fix ALL the logging!
[Sone.git] / src / main / java / net / pterodactylus / sone / core / Core.java
index b42fc34..26d21ed 100644 (file)
@@ -24,8 +24,8 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 import java.util.Map.Entry;
+import java.util.Set;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.logging.Level;
@@ -40,10 +40,12 @@ 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.data.Profile.Field;
 import net.pterodactylus.sone.fcp.FcpInterface;
 import net.pterodactylus.sone.fcp.FcpInterface.FullAccessRequired;
 import net.pterodactylus.sone.freenet.wot.Identity;
@@ -73,26 +75,6 @@ import freenet.keys.FreenetURI;
  */
 public class Core extends AbstractService implements IdentityListener, UpdateListener, SoneProvider, PostProvider, SoneInsertListener, ImageInsertListener {
 
-       /**
-        * Enumeration for the possible states of a {@link Sone}.
-        *
-        * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
-        */
-       public enum SoneStatus {
-
-               /** The Sone is unknown, i.e. not yet downloaded. */
-               unknown,
-
-               /** The Sone is idle, i.e. not being downloaded or inserted. */
-               idle,
-
-               /** The Sone is currently being inserted. */
-               inserting,
-
-               /** The Sone is currently being downloaded. */
-               downloading,
-       }
-
        /** The logger. */
        private static final Logger logger = Logging.getLogger(Core.class);
 
@@ -132,10 +114,6 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        /** The FCP interface. */
        private volatile FcpInterface fcpInterface;
 
-       /** The Sones’ statuses. */
-       /* synchronize access on itself. */
-       private final Map<Sone, SoneStatus> soneStatuses = new HashMap<Sone, SoneStatus>();
-
        /** The times Sones were followed. */
        private final Map<Sone, Long> soneFollowingTimes = new HashMap<Sone, Long>();
 
@@ -159,29 +137,18 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        /* synchronize access on this on itself. */
        private Map<String, Sone> remoteSones = new HashMap<String, Sone>();
 
-       /** All new Sones. */
-       private Set<String> newSones = new HashSet<String>();
-
        /** All known Sones. */
-       /* synchronize access on {@link #newSones}. */
        private Set<String> knownSones = new HashSet<String>();
 
        /** All posts. */
        private Map<String, Post> posts = new HashMap<String, Post>();
 
-       /** All new posts. */
-       private Set<String> newPosts = new HashSet<String>();
-
        /** All known posts. */
-       /* synchronize access on {@link #newPosts}. */
        private Set<String> knownPosts = new HashSet<String>();
 
        /** All replies. */
        private Map<String, PostReply> replies = new HashMap<String, PostReply>();
 
-       /** All new replies. */
-       private Set<String> newReplies = new HashSet<String>();
-
        /** All known replies. */
        private Set<String> knownReplies = new HashSet<String>();
 
@@ -305,33 +272,6 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        }
 
        /**
-        * Returns the status of the given Sone.
-        *
-        * @param sone
-        *            The Sone to get the status for
-        * @return The status of the Sone
-        */
-       public SoneStatus getSoneStatus(Sone sone) {
-               synchronized (soneStatuses) {
-                       return soneStatuses.get(sone);
-               }
-       }
-
-       /**
-        * Sets the status of the given Sone.
-        *
-        * @param sone
-        *            The Sone to set the status of
-        * @param soneStatus
-        *            The status to set
-        */
-       public void setSoneStatus(Sone sone, SoneStatus soneStatus) {
-               synchronized (soneStatuses) {
-                       soneStatuses.put(sone, soneStatus);
-               }
-       }
-
-       /**
         * Returns the Sone rescuer for the given local Sone.
         *
         * @param sone
@@ -487,7 +427,6 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        if ((sone == null) && create) {
                                sone = new Sone(id);
                                localSones.put(id, sone);
-                               setSoneStatus(sone, SoneStatus.unknown);
                        }
                        return sone;
                }
@@ -509,17 +448,6 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         *
         * @param id
         *            The ID of the remote Sone to get
-        * @return The Sone with the given ID
-        */
-       public Sone getRemoteSone(String id) {
-               return getRemoteSone(id, true);
-       }
-
-       /**
-        * 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
@@ -528,10 +456,9 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        public Sone getRemoteSone(String id, boolean create) {
                synchronized (remoteSones) {
                        Sone sone = remoteSones.get(id);
-                       if ((sone == null) && create) {
+                       if ((sone == null) && create && (id != null) && (id.length() == 43)) {
                                sone = new Sone(id);
                                remoteSones.put(id, sone);
-                               setSoneStatus(sone, SoneStatus.unknown);
                        }
                        return sone;
                }
@@ -566,19 +493,6 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        }
 
        /**
-        * Returns whether the Sone with the given ID is a new Sone.
-        *
-        * @param soneId
-        *            The ID of the sone to check for
-        * @return {@code true} if the given Sone is new, false otherwise
-        */
-       public boolean isNewSone(String soneId) {
-               synchronized (newSones) {
-                       return !knownSones.contains(soneId) && newSones.contains(soneId);
-               }
-       }
-
-       /**
         * Returns whether the given Sone has been modified.
         *
         * @param sone
@@ -655,20 +569,6 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        }
 
        /**
-        * Returns whether the given post ID is new.
-        *
-        * @param postId
-        *            The post ID
-        * @return {@code true} if the post is considered to be new, {@code false}
-        *         otherwise
-        */
-       public boolean isNewPost(String postId) {
-               synchronized (newPosts) {
-                       return !knownPosts.contains(postId) && newPosts.contains(postId);
-               }
-       }
-
-       /**
         * Returns all posts that have the given Sone as recipient.
         *
         * @see Post#getRecipient()
@@ -746,20 +646,6 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        }
 
        /**
-        * Returns whether the reply with the given ID is new.
-        *
-        * @param replyId
-        *            The ID of the reply to check
-        * @return {@code true} if the reply is considered to be new, {@code false}
-        *         otherwise
-        */
-       public boolean isNewReply(String replyId) {
-               synchronized (newReplies) {
-                       return !knownReplies.contains(replyId) && newReplies.contains(replyId);
-               }
-       }
-
-       /**
         * Returns all Sones that have liked the given post.
         *
         * @param post
@@ -956,29 +842,6 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        }
 
        /**
-        * Adds a local Sone from the given ID which has to be the ID of an own
-        * identity.
-        *
-        * @param id
-        *            The ID of an own identity to add a Sone for
-        * @return The added (or already existing) Sone
-        */
-       public Sone addLocalSone(String id) {
-               synchronized (localSones) {
-                       if (localSones.containsKey(id)) {
-                               logger.log(Level.FINE, "Tried to add known local Sone: %s", id);
-                               return localSones.get(id);
-                       }
-                       OwnIdentity ownIdentity = identityManager.getOwnIdentity(id);
-                       if (ownIdentity == null) {
-                               logger.log(Level.INFO, "Invalid Sone ID: %s", id);
-                               return null;
-                       }
-                       return addLocalSone(ownIdentity);
-               }
-       }
-
-       /**
         * Adds a local Sone from the given own identity.
         *
         * @param ownIdentity
@@ -995,17 +858,18 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        try {
                                sone = getLocalSone(ownIdentity.getId()).setIdentity(ownIdentity).setInsertUri(new FreenetURI(ownIdentity.getInsertUri())).setRequestUri(new FreenetURI(ownIdentity.getRequestUri()));
                        } catch (MalformedURLException mue1) {
-                               logger.log(Level.SEVERE, "Could not convert the Identity’s URIs to Freenet URIs: " + ownIdentity.getInsertUri() + ", " + ownIdentity.getRequestUri(), mue1);
+                               logger.log(Level.SEVERE, String.format("Could not convert the Identity’s 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 */
                        localSones.put(ownIdentity.getId(), sone);
                        final SoneInserter soneInserter = new SoneInserter(this, freenetInterface, sone);
                        soneInserter.addSoneInsertListener(this);
                        soneInserters.put(sone, soneInserter);
-                       setSoneStatus(sone, SoneStatus.idle);
+                       sone.setStatus(SoneStatus.idle);
                        loadSone(sone);
                        soneInserter.start();
                        return sone;
@@ -1023,7 +887,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                try {
                        ownIdentity.addContext("Sone");
                } catch (WebOfTrustException wote1) {
-                       logger.log(Level.SEVERE, "Could not add “Sone” context to own identity: " + ownIdentity, wote1);
+                       logger.log(Level.SEVERE, String.format("Could not add “Sone” context to own identity: %s", ownIdentity), wote1);
                        return null;
                }
                Sone sone = addLocalSone(ownIdentity);
@@ -1032,7 +896,9 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                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.addFriend("nwa8lHa271k2QvJ8aa0Ov7IHAV-DFOCFgmDt3X6BpCI");
+               sone.getOptions().addEnumOption("ShowCustomAvatars", new DefaultOption<ShowCustomAvatars>(ShowCustomAvatars.NEVER));
+
+               followSone(sone, getSone("nwa8lHa271k2QvJ8aa0Ov7IHAV-DFOCFgmDt3X6BpCI"));
                touchConfiguration();
                return sone;
        }
@@ -1050,30 +916,25 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        return null;
                }
                synchronized (remoteSones) {
-                       final Sone sone = getRemoteSone(identity.getId()).setIdentity(identity);
+                       final Sone sone = getRemoteSone(identity.getId(), true).setIdentity(identity);
                        boolean newSone = sone.getRequestUri() == null;
                        sone.setRequestUri(getSoneUri(identity.getRequestUri()));
                        sone.setLatestEdition(Numbers.safeParseLong(identity.getProperty("Sone.LatestEdition"), (long) 0));
                        if (newSone) {
-                               synchronized (newSones) {
+                               synchronized (knownSones) {
                                        newSone = !knownSones.contains(sone.getId());
-                                       if (newSone) {
-                                               newSones.add(sone.getId());
-                                       }
                                }
+                               sone.setKnown(!newSone);
                                if (newSone) {
                                        coreListenerManager.fireNewSoneFound(sone);
                                        for (Sone localSone : getLocalSones()) {
                                                if (localSone.getOptions().getBooleanOption("AutoFollow").get()) {
-                                                       localSone.addFriend(sone.getId());
-                                                       touchConfiguration();
+                                                       followSone(localSone, sone);
                                                }
                                        }
                                }
                        }
-                       remoteSones.put(identity.getId(), sone);
                        soneDownloader.addSone(sone);
-                       setSoneStatus(sone, SoneStatus.unknown);
                        soneDownloaders.execute(new Runnable() {
 
                                @Override
@@ -1097,6 +958,11 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        public void followSone(Sone sone, String soneId) {
                Validation.begin().isNotNull("Sone", sone).isNotNull("Sone ID", soneId).check();
+               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));
        }
 
@@ -1184,7 +1050,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        public Trust getTrust(Sone origin, Sone target) {
                if (!isLocalSone(origin)) {
-                       logger.log(Level.WARNING, "Tried to get trust from remote Sone: %s", origin);
+                       logger.log(Level.WARNING, String.format("Tried to get trust from remote Sone: %s", origin));
                        return null;
                }
                return target.getIdentity().getTrust((OwnIdentity) origin.getIdentity());
@@ -1205,7 +1071,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                try {
                        ((OwnIdentity) origin.getIdentity()).setTrust(target.getIdentity(), trustValue, preferences.getTrustComment());
                } catch (WebOfTrustException wote1) {
-                       logger.log(Level.WARNING, "Could not set trust for Sone: " + target, wote1);
+                       logger.log(Level.WARNING, String.format("Could not set trust for Sone: %s", target), wote1);
                }
        }
 
@@ -1222,7 +1088,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                try {
                        ((OwnIdentity) origin.getIdentity()).removeTrust(target.getIdentity());
                } catch (WebOfTrustException wote1) {
-                       logger.log(Level.WARNING, "Could not remove trust for Sone: " + target, wote1);
+                       logger.log(Level.WARNING, String.format("Could not remove trust for Sone: %s", target), wote1);
                }
        }
 
@@ -1287,7 +1153,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                if (hasSone(sone.getId())) {
                        Sone storedSone = getSone(sone.getId());
                        if (!soneRescueMode && !(sone.getTime() > storedSone.getTime())) {
-                               logger.log(Level.FINE, "Downloaded Sone %s is not newer than stored Sone %s.", new Object[] { sone, storedSone });
+                               logger.log(Level.FINE, String.format("Downloaded Sone %s is not newer than stored Sone %s.", sone, storedSone));
                                return;
                        }
                        synchronized (posts) {
@@ -1300,12 +1166,16 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                                        }
                                }
                                List<Post> storedPosts = storedSone.getPosts();
-                               synchronized (newPosts) {
+                               synchronized (knownPosts) {
                                        for (Post post : sone.getPosts()) {
-                                               post.setSone(storedSone);
-                                               if (!storedPosts.contains(post) && !knownPosts.contains(post.getId())) {
-                                                       newPosts.add(post.getId());
-                                                       coreListenerManager.fireNewPostFound(post);
+                                               post.setSone(storedSone).setKnown(knownPosts.contains(post.getId()));
+                                               if (!storedPosts.contains(post)) {
+                                                       if (post.getTime() < getSoneFollowingTime(sone)) {
+                                                               knownPosts.add(post.getId());
+                                                       } else if (!knownPosts.contains(post.getId())) {
+                                                               sone.setKnown(false);
+                                                               coreListenerManager.fireNewPostFound(post);
+                                                       }
                                                }
                                                posts.put(post.getId(), post);
                                        }
@@ -1321,12 +1191,16 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                                        }
                                }
                                Set<PostReply> storedReplies = storedSone.getReplies();
-                               synchronized (newReplies) {
+                               synchronized (knownReplies) {
                                        for (PostReply reply : sone.getReplies()) {
-                                               reply.setSone(storedSone);
-                                               if (!storedReplies.contains(reply) && !knownReplies.contains(reply.getId())) {
-                                                       newReplies.add(reply.getId());
-                                                       coreListenerManager.fireNewReplyFound(reply);
+                                               reply.setSone(storedSone).setKnown(knownReplies.contains(reply.getId()));
+                                               if (!storedReplies.contains(reply)) {
+                                                       if (reply.getTime() < getSoneFollowingTime(sone)) {
+                                                               knownReplies.add(reply.getId());
+                                                       } else if (!knownReplies.contains(reply.getId())) {
+                                                               reply.setKnown(false);
+                                                               coreListenerManager.fireNewReplyFound(reply);
+                                                       }
                                                }
                                                replies.put(reply.getId(), reply);
                                        }
@@ -1392,12 +1266,12 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        public void deleteSone(Sone sone) {
                if (!(sone.getIdentity() instanceof OwnIdentity)) {
-                       logger.log(Level.WARNING, "Tried to delete Sone of non-own identity: %s", sone);
+                       logger.log(Level.WARNING, String.format("Tried to delete Sone of non-own identity: %s", sone));
                        return;
                }
                synchronized (localSones) {
                        if (!localSones.containsKey(sone.getId())) {
-                               logger.log(Level.WARNING, "Tried to delete non-local Sone: %s", sone);
+                               logger.log(Level.WARNING, String.format("Tried to delete non-local Sone: %s", sone));
                                return;
                        }
                        localSones.remove(sone.getId());
@@ -1409,7 +1283,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        ((OwnIdentity) sone.getIdentity()).removeContext("Sone");
                        ((OwnIdentity) sone.getIdentity()).removeProperty("Sone.LatestEdition");
                } catch (WebOfTrustException wote1) {
-                       logger.log(Level.WARNING, "Could not remove context and properties from Sone: " + sone, wote1);
+                       logger.log(Level.WARNING, String.format("Could not remove context and properties from Sone: %s", sone), wote1);
                }
                try {
                        configuration.getLongValue("Sone/" + sone.getId() + "/Time").setValue(null);
@@ -1419,19 +1293,20 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        }
 
        /**
-        * Marks the given Sone as known. If the Sone was {@link #isNewPost(String)
-        * new} before, a {@link CoreListener#markSoneKnown(Sone)} event is fired.
+        * Marks the given Sone as known. If the Sone was not {@link Post#isKnown()
+        * known} before, a {@link CoreListener#markSoneKnown(Sone)} event is fired.
         *
         * @param sone
         *            The Sone to mark as known
         */
        public void markSoneKnown(Sone sone) {
-               synchronized (newSones) {
-                       if (newSones.remove(sone.getId())) {
+               if (!sone.isKnown()) {
+                       sone.setKnown(true);
+                       synchronized (knownSones) {
                                knownSones.add(sone.getId());
-                               coreListenerManager.fireMarkSoneKnown(sone);
-                               touchConfiguration();
                        }
+                       coreListenerManager.fireMarkSoneKnown(sone);
+                       touchConfiguration();
                }
        }
 
@@ -1444,7 +1319,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        public void loadSone(Sone sone) {
                if (!isLocalSone(sone)) {
-                       logger.log(Level.FINE, "Tried to load non-local Sone: %s", sone);
+                       logger.log(Level.FINE, String.format("Tried to load non-local Sone: %s", sone));
                        return;
                }
 
@@ -1454,6 +1329,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                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();
@@ -1465,7 +1341,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                String lastInsertFingerprint = configuration.getStringValue(sonePrefix + "/LastInsertFingerprint").getValue("");
 
                /* load profile. */
-               Profile profile = new 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));
@@ -1575,7 +1451,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        if (albumParentId != null) {
                                Album parentAlbum = getAlbum(albumParentId, false);
                                if (parentAlbum == null) {
-                                       logger.log(Level.WARNING, "Invalid parent album ID: " + albumParentId);
+                                       logger.log(Level.WARNING, String.format("Invalid parent album ID: %s", albumParentId));
                                        return;
                                }
                                parentAlbum.addAlbum(album);
@@ -1613,12 +1489,19 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        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 we’re still here, Sone was loaded successfully. */
                synchronized (sone) {
@@ -1628,21 +1511,23 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        sone.setReplies(replies);
                        sone.setLikePostIds(likedPostIds);
                        sone.setLikeReplyIds(likedReplyIds);
-                       sone.setFriends(friends);
+                       for (String friendId : friends) {
+                               followSone(sone, friendId);
+                       }
                        sone.setAlbums(topLevelAlbums);
                        soneInserters.get(sone).setLastInsertFingerprint(lastInsertFingerprint);
                }
-               synchronized (newSones) {
+               synchronized (knownSones) {
                        for (String friend : friends) {
                                knownSones.add(friend);
                        }
                }
-               synchronized (newPosts) {
+               synchronized (knownPosts) {
                        for (Post post : posts) {
                                knownPosts.add(post.getId());
                        }
                }
-               synchronized (newReplies) {
+               synchronized (knownReplies) {
                        for (PostReply reply : replies) {
                                knownReplies.add(reply.getId());
                        }
@@ -1709,7 +1594,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        public Post createPost(Sone sone, Sone recipient, long time, String text) {
                if (!isLocalSone(sone)) {
-                       logger.log(Level.FINE, "Tried to create post for non-local Sone: %s", sone);
+                       logger.log(Level.FINE, String.format("Tried to create post for non-local Sone: %s", sone));
                        return null;
                }
                final Post post = new Post(sone, time, text);
@@ -1719,10 +1604,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                synchronized (posts) {
                        posts.put(post.getId(), post);
                }
-               synchronized (newPosts) {
-                       newPosts.add(post.getId());
-                       coreListenerManager.fireNewPostFound(post);
-               }
+               coreListenerManager.fireNewPostFound(post);
                sone.addPost(post);
                touchConfiguration();
                localElementTicker.registerEvent(System.currentTimeMillis() + 10 * 1000, new Runnable() {
@@ -1746,7 +1628,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        public void deletePost(Post post) {
                if (!isLocalSone(post.getSone())) {
-                       logger.log(Level.WARNING, "Tried to delete post of non-local Sone: %s", post.getSone());
+                       logger.log(Level.WARNING, String.format("Tried to delete post of non-local Sone: %s", post.getSone()));
                        return;
                }
                post.getSone().removePost(post);
@@ -1754,28 +1636,28 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        posts.remove(post.getId());
                }
                coreListenerManager.firePostRemoved(post);
-               synchronized (newPosts) {
-                       markPostKnown(post);
-                       knownPosts.remove(post.getId());
-               }
+               markPostKnown(post);
                touchConfiguration();
        }
 
        /**
-        * Marks the given post as known, if it is currently a new post (according
-        * to {@link #isNewPost(String)}).
+        * 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) {
-               synchronized (newPosts) {
-                       if (newPosts.remove(post.getId())) {
-                               knownPosts.add(post.getId());
-                               coreListenerManager.fireMarkPostKnown(post);
+               post.setKnown(true);
+               synchronized (knownPosts) {
+                       coreListenerManager.fireMarkPostKnown(post);
+                       if (knownPosts.add(post.getId())) {
                                touchConfiguration();
                        }
                }
+               for (PostReply reply : getReplies(post)) {
+                       markReplyKnown(reply);
+               }
        }
 
        /**
@@ -1852,15 +1734,14 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        public PostReply createReply(Sone sone, Post post, long time, String text) {
                if (!isLocalSone(sone)) {
-                       logger.log(Level.FINE, "Tried to create reply for non-local Sone: %s", sone);
+                       logger.log(Level.FINE, String.format("Tried to create reply for non-local Sone: %s", sone));
                        return null;
                }
                final PostReply reply = new PostReply(sone, post, System.currentTimeMillis(), text);
                synchronized (replies) {
                        replies.put(reply.getId(), reply);
                }
-               synchronized (newReplies) {
-                       newReplies.add(reply.getId());
+               synchronized (knownReplies) {
                        coreListenerManager.fireNewReplyFound(reply);
                }
                sone.addReply(reply);
@@ -1887,13 +1768,13 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        public void deleteReply(PostReply reply) {
                Sone sone = reply.getSone();
                if (!isLocalSone(sone)) {
-                       logger.log(Level.FINE, "Tried to delete non-local reply: %s", reply);
+                       logger.log(Level.FINE, String.format("Tried to delete non-local reply: %s", reply));
                        return;
                }
                synchronized (replies) {
                        replies.remove(reply.getId());
                }
-               synchronized (newReplies) {
+               synchronized (knownReplies) {
                        markReplyKnown(reply);
                        knownReplies.remove(reply.getId());
                }
@@ -1902,17 +1783,17 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
        }
 
        /**
-        * Marks the given reply as known, if it is currently a new reply (according
-        * to {@link #isNewReply(String)}).
+        * 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) {
-               synchronized (newReplies) {
-                       if (newReplies.remove(reply.getId())) {
-                               knownReplies.add(reply.getId());
-                               coreListenerManager.fireMarkReplyKnown(reply);
+               reply.setKnown(true);
+               synchronized (knownReplies) {
+                       coreListenerManager.fireMarkReplyKnown(reply);
+                       if (knownReplies.add(reply.getId())) {
                                touchConfiguration();
                        }
                }
@@ -2133,15 +2014,15 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        private synchronized void saveSone(Sone sone) {
                if (!isLocalSone(sone)) {
-                       logger.log(Level.FINE, "Tried to save non-local Sone: %s", sone);
+                       logger.log(Level.FINE, String.format("Tried to save non-local Sone: %s", sone));
                        return;
                }
                if (!(sone.getIdentity() instanceof OwnIdentity)) {
-                       logger.log(Level.WARNING, "Local Sone without OwnIdentity found, refusing to save: %s", sone);
+                       logger.log(Level.WARNING, String.format("Local Sone without OwnIdentity found, refusing to save: %s", sone));
                        return;
                }
 
-               logger.log(Level.INFO, "Saving Sone: %s", sone);
+               logger.log(Level.INFO, String.format("Saving Sone: %s", sone));
                try {
                        /* save Sone into configuration. */
                        String sonePrefix = "Sone/" + sone.getId();
@@ -2156,6 +2037,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        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;
@@ -2249,16 +2131,17 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        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();
 
                        ((OwnIdentity) sone.getIdentity()).setProperty("Sone.LatestEdition", String.valueOf(sone.getLatestEdition()));
 
-                       logger.log(Level.INFO, "Sone %s saved.", sone);
+                       logger.log(Level.INFO, String.format("Sone %s saved.", sone));
                } catch (ConfigurationException ce1) {
-                       logger.log(Level.WARNING, "Could not save Sone: " + sone, ce1);
+                       logger.log(Level.WARNING, String.format("Could not save Sone: %s", sone), ce1);
                } catch (WebOfTrustException wote1) {
-                       logger.log(Level.WARNING, "Could not set WoT property for Sone: " + sone, wote1);
+                       logger.log(Level.WARNING, String.format("Could not set WoT property for Sone: %s", sone), wote1);
                }
        }
 
@@ -2293,7 +2176,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
 
                        /* save known Sones. */
                        int soneCounter = 0;
-                       synchronized (newSones) {
+                       synchronized (knownSones) {
                                for (String knownSoneId : knownSones) {
                                        configuration.getStringValue("KnownSone/" + soneCounter++ + "/ID").setValue(knownSoneId);
                                }
@@ -2313,7 +2196,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
 
                        /* save known posts. */
                        int postCounter = 0;
-                       synchronized (newPosts) {
+                       synchronized (knownPosts) {
                                for (String knownPostId : knownPosts) {
                                        configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").setValue(knownPostId);
                                }
@@ -2322,7 +2205,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
 
                        /* save known replies. */
                        int replyCounter = 0;
-                       synchronized (newReplies) {
+                       synchronized (knownReplies) {
                                for (String knownReplyId : knownReplies) {
                                        configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").setValue(knownReplyId);
                                }
@@ -2422,7 +2305,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        if (knownSoneId == null) {
                                break;
                        }
-                       synchronized (newSones) {
+                       synchronized (knownSones) {
                                knownSones.add(knownSoneId);
                        }
                }
@@ -2435,8 +2318,13 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                                break;
                        }
                        long time = configuration.getLongValue("SoneFollowingTimes/" + soneCounter + "/Time").getValue(Long.MAX_VALUE);
-                       synchronized (soneFollowingTimes) {
-                               soneFollowingTimes.put(getSone(soneId), time);
+                       Sone followedSone = getSone(soneId);
+                       if (followedSone == null) {
+                               logger.log(Level.WARNING, String.format("Ignoring Sone with invalid ID: %s", soneId));
+                       } else {
+                               synchronized (soneFollowingTimes) {
+                                       soneFollowingTimes.put(getSone(soneId), time);
+                               }
                        }
                        ++soneCounter;
                }
@@ -2448,7 +2336,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        if (knownPostId == null) {
                                break;
                        }
-                       synchronized (newPosts) {
+                       synchronized (knownPosts) {
                                knownPosts.add(knownPostId);
                        }
                }
@@ -2460,7 +2348,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        if (knownReplyId == null) {
                                break;
                        }
-                       synchronized (newReplies) {
+                       synchronized (knownReplies) {
                                knownReplies.add(knownReplyId);
                        }
                }
@@ -2490,7 +2378,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                try {
                        options.getIntegerOption(optionName).set(configuration.getIntValue("Option/" + optionName).getValue(null));
                } catch (IllegalArgumentException iae1) {
-                       logger.log(Level.WARNING, "Invalid value for " + optionName + " in configuration, using default.");
+                       logger.log(Level.WARNING, String.format("Invalid value for %s in configuration, using default.", optionName));
                }
        }
 
@@ -2506,7 +2394,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        FreenetURI uri = new FreenetURI(uriString).setDocName("Sone").setMetaString(new String[0]);
                        return uri;
                } catch (MalformedURLException mue1) {
-                       logger.log(Level.WARNING, "Could not create Sone URI from URI: " + uriString, mue1);
+                       logger.log(Level.WARNING, String.format("Could not create Sone URI from URI: %s", uriString, mue1));
                        return null;
                }
        }
@@ -2520,7 +2408,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        @Override
        public void ownIdentityAdded(OwnIdentity ownIdentity) {
-               logger.log(Level.FINEST, "Adding OwnIdentity: " + ownIdentity);
+               logger.log(Level.FINEST, String.format("Adding OwnIdentity: %s", ownIdentity));
                if (ownIdentity.hasContext("Sone")) {
                        trustedIdentities.put(ownIdentity, Collections.synchronizedSet(new HashSet<Identity>()));
                        addLocalSone(ownIdentity);
@@ -2532,7 +2420,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        @Override
        public void ownIdentityRemoved(OwnIdentity ownIdentity) {
-               logger.log(Level.FINEST, "Removing OwnIdentity: " + ownIdentity);
+               logger.log(Level.FINEST, String.format("Removing OwnIdentity: %s", ownIdentity));
                trustedIdentities.remove(ownIdentity);
        }
 
@@ -2541,7 +2429,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        @Override
        public void identityAdded(OwnIdentity ownIdentity, Identity identity) {
-               logger.log(Level.FINEST, "Adding Identity: " + identity);
+               logger.log(Level.FINEST, String.format("Adding Identity: %s", identity));
                trustedIdentities.get(ownIdentity).add(identity);
                addRemoteSone(identity);
        }
@@ -2556,7 +2444,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        @Override
                        @SuppressWarnings("synthetic-access")
                        public void run() {
-                               Sone sone = getRemoteSone(identity.getId());
+                               Sone sone = getRemoteSone(identity.getId(), false);
                                sone.setIdentity(identity);
                                sone.setLatestEdition(Numbers.safeParseLong(identity.getProperty("Sone.LatestEdition"), sone.getLatestEdition()));
                                soneDownloader.addSone(sone);
@@ -2590,19 +2478,17 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                        return;
                }
                synchronized (posts) {
-                       synchronized (newPosts) {
+                       synchronized (knownPosts) {
                                for (Post post : sone.getPosts()) {
                                        posts.remove(post.getId());
-                                       newPosts.remove(post.getId());
                                        coreListenerManager.firePostRemoved(post);
                                }
                        }
                }
                synchronized (replies) {
-                       synchronized (newReplies) {
+                       synchronized (knownReplies) {
                                for (PostReply reply : sone.getReplies()) {
                                        replies.remove(reply.getId());
-                                       newReplies.remove(reply.getId());
                                        coreListenerManager.fireReplyRemoved(reply);
                                }
                        }
@@ -2610,10 +2496,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                synchronized (remoteSones) {
                        remoteSones.remove(identity.getId());
                }
-               synchronized (newSones) {
-                       newSones.remove(identity.getId());
-                       coreListenerManager.fireSoneRemoved(sone);
-               }
+               coreListenerManager.fireSoneRemoved(sone);
        }
 
        //
@@ -2665,7 +2548,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        @Override
        public void imageInsertStarted(Image image) {
-               logger.log(Level.WARNING, "Image insert started for " + image);
+               logger.log(Level.WARNING, String.format("Image insert started for %s...", image));
                coreListenerManager.fireImageInsertStarted(image);
        }
 
@@ -2674,7 +2557,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        @Override
        public void imageInsertAborted(Image image) {
-               logger.log(Level.WARNING, "Image insert aborted for " + image);
+               logger.log(Level.WARNING, String.format("Image insert aborted for %s.", image));
                coreListenerManager.fireImageInsertAborted(image);
        }
 
@@ -2683,7 +2566,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        @Override
        public void imageInsertFinished(Image image, FreenetURI key) {
-               logger.log(Level.WARNING, "Image insert finished for " + image + ": " + key);
+               logger.log(Level.WARNING, String.format("Image insert finished for %s: %s", image, key));
                image.setKey(key.toString());
                deleteTemporaryImage(image.getId());
                saveSone(image.getSone());
@@ -2695,7 +2578,7 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
         */
        @Override
        public void imageInsertFailed(Image image, Throwable cause) {
-               logger.log(Level.WARNING, "Image insert failed for " + image, cause);
+               logger.log(Level.WARNING, String.format("Image insert failed for %s." + image), cause);
                coreListenerManager.fireImageInsertFailed(image, cause);
        }
 
@@ -2734,8 +2617,8 @@ public class Core extends AbstractService implements IdentityListener, UpdateLis
                 *
                 * @param insertionDelay
                 *            The insertion delay to validate
-                * @return {@code true} if the given insertion delay was valid, {@code
-                *         false} otherwise
+                * @return {@code true} if the given insertion delay was valid,
+                *         {@code false} otherwise
                 */
                public boolean validateInsertionDelay(Integer insertionDelay) {
                        return options.getIntegerOption("InsertionDelay").validate(insertionDelay);