Method compare

app/src/main/java/eu/faircode/email/EntityFolder.java:618–633

(FolderScore fs1, FolderScore fs2)

            if (!types.contains(type)) {
                Collections.sort(candidates, new Comparator<FolderScore>() {
                    @Override
                    public int compare(FolderScore fs1, FolderScore fs2) {
                        int r = Boolean.compare(fs1.folder.read_only, fs2.folder.read_only);
                        if (r != 0)
                            return r;

                        int s = Integer.compare(fs1.score, fs2.score);
                        if (s == 0) {
                            int len1 = (fs1.folder.separator == null ? 1
                                    : fs1.folder.name.split(Pattern.quote(String.valueOf(fs1.folder.separator))).length);
                            int len2 = (fs2.folder.separator == null ? 1
                                    : fs2.folder.name.split(Pattern.quote(String.valueOf(fs2.folder.separator))).length);
                            return Integer.compare(len1, len2);
                        } else
                            return s;
                    }
                });

                candidates.get(0).folder.type = type;