+ * @param album
+ * The album to remove
+ */
+ public void removeAlbum(Album album) {
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.getSone(), this).check();
+ albums.remove(album);
+ }
+
+ /**
+ * Moves the given album up in this album’s albums. If the album is already
+ * the first album, nothing happens.
+ *
+ * @param album
+ * The album to move up
+ * @return The album that the given album swapped the place with, or
+ * <code>null</code> if the album did not change its place
+ */
+ public Album moveAlbumUp(Album album) {
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.getSone(), this).isNull("Album Parent", album.getParent()).check();
+ int oldIndex = albums.indexOf(album);
+ if (oldIndex <= 0) {
+ return null;
+ }
+ albums.remove(oldIndex);
+ albums.add(oldIndex - 1, album);
+ return albums.get(oldIndex);
+ }
+
+ /**
+ * Moves the given album down in this album’s albums. If the album is
+ * already the last album, nothing happens.
+ *
+ * @param album
+ * The album to move down
+ * @return The album that the given album swapped the place with, or
+ * <code>null</code> if the album did not change its place
+ */
+ public Album moveAlbumDown(Album album) {
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.getSone(), this).isNull("Album Parent", album.getParent()).check();
+ int oldIndex = albums.indexOf(album);
+ if ((oldIndex < 0) || (oldIndex >= (albums.size() - 1))) {
+ return null;
+ }
+ albums.remove(oldIndex);
+ albums.add(oldIndex + 1, album);
+ return albums.get(oldIndex);
+ }
+
+ /**
+ * Returns Sone-specific options.
+ *
+ * @return The options of this Sone
+ */
+ public Options getOptions() {
+ return options;
+ }
+
+ //
+ // FINGERPRINTABLE METHODS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public synchronized String getFingerprint() {
+ StringBuilder fingerprint = new StringBuilder();
+ fingerprint.append(profile.getFingerprint());
+
+ fingerprint.append("Posts(");
+ for (Post post : getPosts()) {
+ fingerprint.append("Post(").append(post.getId()).append(')');
+ }
+ fingerprint.append(")");
+
+ List<PostReply> replies = new ArrayList<PostReply>(getReplies());
+ Collections.sort(replies, Reply.TIME_COMPARATOR);
+ fingerprint.append("Replies(");
+ for (PostReply reply : replies) {
+ fingerprint.append("Reply(").append(reply.getId()).append(')');
+ }
+ fingerprint.append(')');
+
+ List<String> likedPostIds = new ArrayList<String>(getLikedPostIds());
+ Collections.sort(likedPostIds);
+ fingerprint.append("LikedPosts(");
+ for (String likedPostId : likedPostIds) {
+ fingerprint.append("Post(").append(likedPostId).append(')');