XP Checker

public class XPCheck {

        private final Skill[] s;

        private int[] lastXP;
        private Timer t;
        private boolean isInRandom, justExitedBreak;

        public XPCheck(Skill... skills) {
                s = skills.clone();
                lastXP = new int[skills.length];
        }

        /**
         * Starts the XP Checker with a default check interval of 10 minutes.
         */
        public void start() {
                start(600);
        }

        /**
         * Starts the XP Checker.
         * @param interval  The interval in seconds in between checks
         */
        public void start(int interval) {
                for (int i = 0; i < s.length; i++) {
                        lastXP[i] = client.getSkills().getExperience(s[i]);
                }
                t = new Timer();
                t.schedule(check, interval*1000, interval*1000);
        }

        /**
         * @return  true if any of the specified skill(s) gained XP in the set interval, false if not.
         */
        public boolean hasGainedXP() {
                for (int i = 0; i < s.length; i++) {
                        if (lastXP[i] < client.getSkills().getExperience(s[i])) return true;
                }
                return false;
        }

        /**
         * Stop the XP Checker
         */
        public void cancel() {
                t.cancel();
        }

        public TimerTask check = new TimerTask() {
                @Override
                public void run() {
                        int randomID = -1;
                        isInRandom = true;
                        try {
                                randomID = randomManager.getCurrent().id;
                        } catch (NullPointerException e) {
                                isInRandom = false;
                        }
                        if (isInRandom || justExitedBreak) {
                                if (justExitedBreak) {
                                        log("Just exited a break, skipping xp check one last time.");
                                        justExitedBreak = false;
                                        return;
                                }
                                if (randomID == RandomManager.BREAK_MANAGER) {
                                        log("Breaking, skipping xp check");
                                        justExitedBreak = true;
                                        return;
                                }
                        }
                        if (!justExitedBreak) {
                                if (!hasGainedXP()) {
                                        try {
                                                stop();
                                        } catch (InterruptedException e) { }
                                }
                                for (int i = 0; i < s.length; i++) {
                                        lastXP[i] = client.getSkills().getExperience(s[i]);
                                }
                        }
                }
        };
}