[JAVA] Sing command

case "sing":
            if (!BotUtils.checkMinrank(cmd, uid)) {
                return;
            }
            final String search = Utils.get("http://search.azlyrics.com/search.php?q=" + msg.replace(' ', '+'));
            final String song1 = Utils.getBetween(search, "<td class=\"text-left visitedlyr\">", " by ");
            if (!song1.substring(0, 2).equals("1.")) {
                XatUtils.respond("The song \"" + msg + "\" was not found.", type, uid);
                return;
            }
            final String song2 = Utils.getBetween(song1, "<a href=\"", "\" target=\"_blank");
            final String lyrics[] = Utils.getBetween(Utils.get(song2),
                    "<!-- Usage of azlyrics.com content by any third-party lyrics provider is prohibited by our licensing agreement. Sorry about that. -->",
                    "</div>").split("<br>");
            Thread song = new Thread(() -> {
                String lastLyric = "";
                for (String lyric : lyrics) {
                    lyric = lyric.trim();
                    try {
                        System.out.println(PacketHandler.PACKET);
                        if (PacketHandler.PACKET.containsKey("t")
                                && (PacketHandler.PACKET.get("t").toLowerCase().indexOf("stop thread") != -1)) {
                            XatUtils.respond("I have stopped singing", type, uid0);
                            Thread.currentThread().interrupt();
                            return;
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                    if (Thread.interrupted())
                        return;
                    if (lyric.equals(lastLyric)) {
                        lastLyric = lyric;
                        lyric += " ";
                    }
                    if (lyric.equals("")) {
                        continue;
                    }
                    try {
                        XatUtils.sendMessage(lyric);
                        lastLyric = lyric;
                        Thread.sleep(1000);
                    } catch (final Exception e1) {
                        return;
                    }
                }
                try {
                    XatUtils.respond("That was: \"" + Utils.getBetween(Utils.get(song2), "song: \"", "\",") + "\" by \""
                            + Utils.getBetween(Utils.get(song2), "artist: \"", "\",") + "\"", type, uid0);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            });
            song.start();
            break;