+ /** {@link Predicate} that matches {@link Result}s that contain an archive. */
+ private static final Predicate<Result> isArchive = new Predicate<Result>() {
+
+ /** All suffixes that are recognized as archives. */
+ private final List<String> archiveSuffixes = Arrays.asList("rar", "tar", "zip", "tar.gz", "tar.bz2", "tar.lzma", "7z");
+
+ @Override
+ public boolean apply(Result result) {
+ for (String suffix : archiveSuffixes) {
+ if (result.pack().name().toLowerCase().endsWith(suffix)) {
+ return true;
+ }
+ }
+ return false;
+ }
+ };
+
+ /**
+ * {@link Comparator} for {@link Result}s that sorts archives (as per {@link
+ * #isArchive} to the back of the list.
+ */
+ private static final Comparator<Result> packArchiveComparator = new Comparator<Result>() {
+ @Override
+ public int compare(Result leftResult, Result rightResult) {
+ if (isArchive.apply(leftResult) && !isArchive.apply(rightResult)) {
+ return 1;
+ }
+ if (!isArchive.apply(leftResult) && isArchive.apply(rightResult)) {
+ return -1;
+ }
+ return 0;
+ }
+ };
+
+ /**
+ * {@link Comparator} for bot nicknames. It comprises different strategies:
+ * one name pattern is preferred (and thus listed first), one pattern is
+ * disliked (and thus listed last), the rest is sorted alphabetically.
+ */
+ private static final Comparator<Result> botNameComparator = new Comparator<Result>() {
+
+ /** Regular expression pattern for preferred names. */
+ private final Pattern preferredNames = Pattern.compile("(?i)[^\\w]EUR?[^\\w]");
+
+ /** Regular expression pattern for disliked names. */
+ private final Pattern dislikedNames = Pattern.compile("(?i)[^\\w]USA?[^\\w]");
+
+ @Override
+ public int compare(Result leftResult, Result rightResult) {
+ String leftBotName = leftResult.bot().name();
+ String rightBotName = rightResult.bot().name();
+ /* preferred names to the front! */
+ if (preferredNames.matcher(leftBotName).find() && !preferredNames.matcher(rightBotName).find()) {
+ return -1;
+ }
+ if (preferredNames.matcher(rightBotName).find() && !preferredNames.matcher(leftBotName).find()) {
+ return 1;
+ }
+ /* disliked names to the back. */
+ if (dislikedNames.matcher(leftBotName).find() && !dislikedNames.matcher(rightBotName).find()) {
+ return 1;
+ }
+ if (dislikedNames.matcher(rightBotName).find() && !dislikedNames.matcher(leftBotName).find()) {
+ return -1;
+ }
+ return 0;
+ }
+ };
+
+ /**
+ * {@link Comparator} for {@link Result}s that sorts them by the name of the
+ * {@link Pack}.
+ */
+ private static final Comparator<Result> packNameComparator = new Comparator<Result>() {
+ @Override
+ public int compare(Result leftResult, Result rightResult) {
+ return leftResult.pack().name().compareToIgnoreCase(rightResult.pack().name());
+ }
+ };
+